Staff Software Engineer Backend At Artisan San Francisco jobs in San Francisco – Browse 11,524 openings on RoboApply Jobs

Staff Software Engineer Backend At Artisan San Francisco jobs in San Francisco

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companyArtisan logo
Full-time|On-site|San Francisco

What artisan IsAt artisan, we are pioneering the development of AI employees—autonomous digital workers capable of performing real jobs, beyond just being chatbots or copilots.Our flagship product, Ava, serves as an AI Business Development Representative (BDR) utilized by hundreds of companies. Ava conducts lead research, composes and dispatches emails in the voice of the customer, orchestrates complex outbound sequences, manages her own deliverability infrastructure, optimizes her performance over time, and adeptly addresses objections while booking meetings. She is not merely a tool; she is a true teammate.As a YC W24 company, we have raised over $35 million from esteemed investors, including Y Combinator, and currently boast an annual recurring revenue (ARR) exceeding $8 million. We are in the process of developing Ava 2.0, a transformative iteration that will redefine the capabilities of AI employees. The engineering challenges we face are significant, with a broad surface area to navigate.The RoleIn this foundational engineering role, you will be responsible for developing the backend that enables our AI employees to function effectively.We process millions of signals, including lead data, email engagement, deliverability metrics, and behavioral patterns, to facilitate autonomous decision-making. The backend is integral to our operations, powering the AI, running the platform, and influencing Ava's performance for each customer. You will take ownership of significant components of this system.Here’s what your work will entail:High-throughput AI orchestration.Design and construct the services and pipelines that empower Ava to process substantial volumes of signals and render swift, reliable decisions.Platform infrastructure.Artisan integrates an entire sales stack—covering email infrastructure, CRM, lead databases, campaign engines, inbox management, and AI coordination—into a single product. You will be entrusted with key aspects of this platform.High ownership, end to end.You will design, build, deploy, and monitor projects. We emphasize a holistic approach, where architecture and implementation are intertwined. You will be accountable for outcomes, not merely task lists.Our pace is rapid, and iteration is key:You will continuously deliver updates. Our engineering organization operates with minimal bureaucracy, facilitating a flat structure.Our technology stack includes TypeScript/Node, PostgreSQL, Redis, Kubernetes, Mastra, Temporal, Langfuse, ECS, EC2, all deployed on AWS. We practice continuous release cycles.Who You AreYou possess 6+ years of backend engineering experience, ideally in a high-performance environment.

Oct 23, 2025
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companyArtisan logo
Full-time|On-site|San Francisco

About ArtisanAt Artisan, we're pioneering the development of AI employees – not mere chatbots or copilots, but fully autonomous digital workers capable of performing real jobs.Our flagship product, Ava, is an AI Business Development Representative (BDR) already utilized by hundreds of companies. Ava autonomously researches leads, crafts and sends emails in a customer's voice, executes complex outbound sequences, manages her own deliverability infrastructure, optimizes her performance over time, and effectively handles objections and meeting scheduling. Rather than being just a tool, Ava acts as a vital teammate.As a Y Combinator W24 company, we've successfully raised over $35 million from esteemed investors and have reached over $8 million in Annual Recurring Revenue (ARR). Currently, we are ambitiously developing Ava 2.0, which represents a significant leap in the capabilities of AI employees. The engineering challenges we face are complex and the scope of our work is vast.Your RoleAs a Staff DevOps Engineer at Artisan, you'll be responsible for our platform that manages hundreds of millions of leads, orchestrates autonomous AI agents in real-time, and facilitates massive-scale email distribution across thousands of customer mailboxes. You will play a key role in delivering a product suite that effectively replaces an entire sales stack, including CRM, inbox, dialer, lead database, and campaign engine. The infrastructure that underpins this functionality is critical to our success.In this staff-level position, you will take ownership of the entire DevOps and infrastructure layer at Artisan, setting the groundwork, defining best practices, and developing the systems that all other functions rely on.Your key responsibilities will include:Kubernetes and Container Orchestration: You will manage our AWS-based Kubernetes infrastructure, overseeing cluster management, scaling policies, resource optimization, and the compute layer that supports AI workloads, data pipelines, and customer-facing product infrastructure.CI/CD and Deployment Pipelines: We implement continuous shipping practices. You will design and maintain the deployment infrastructure that allows engineers to deploy with confidence multiple times a day, including automated testing, staging environments, rollback strategies, and feature flags.Observability and Reliability: You will build a comprehensive observability layer from the ground up, ensuring effective monitoring, alerting, logging, and tracing. Quick detection and understanding of failures, such as an AI agent failing to send an email or a stalled pipeline, will be a priority.Email Deliverability Infrastructure: Ava’s ability to send emails at scale across thousands of domains and mailboxes relies on intricate sender reputation management, domain warming, DNS configuration, and IP management.Security and Compliance: Managing customer data and email credentials requires strict adherence to security standards and compliance regulations.

Feb 13, 2026
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companySemgrep logo
Full-time|$202K/yr - $238K/yr|Hybrid|San Francisco Office

About SemgrepSemgrep is at the forefront of code security, empowering developers to innovate seamlessly. Our platform enables teams to identify, flag, and resolve genuine issues before deployment, all while leveraging an adaptive security framework that evolves as developers code. Semgrep integrates security into the development process without hindering productivity, offering developers the autonomy to work efficiently while ensuring security teams maintain oversight, control, and assurance. With advanced AI capabilities that minimize false positives and prioritize actionable vulnerabilities, we have earned the trust of 95% of security reviewers across over 6 million findings. Semgrep is committed to achieving zero false positives, significantly reducing the workload for AppSec teams by enabling them to triage 80% fewer false alerts across both Code and Supply Chain, effectively managing their backlog.Founded in San Francisco and supported by prominent investors such as Menlo Ventures, Felicis Ventures, Lightspeed Venture Partners, Redpoint Ventures, and Sequoia Capital, Semgrep has been recognized by Gartner in the Application Security Testing sector and is trusted by leading organizations including Snowflake, Dropbox, and Figma. Discover more at semgrep.dev.About the RoleAs a Staff Backend Engineer, you will design, build, and maintain robust backend and infrastructure systems, ensuring a fast and reliable experience for our users. You will collaborate closely with fellow engineers to develop the APIs, data models, and services that drive Semgrep’s products at scale. A solid understanding of databases, query optimization, and distributed systems is essential, along with experience in integrating third-party solutions into existing codebases.Our technology stack includes TypeScript and React for the frontend, while the backend is powered by Python, Flask, and SQLAlchemy, all deployed through Kubernetes and hosted on AWS. Prior experience with these technologies is preferred, but a willingness to learn is equally valued!This is a hybrid role, with an expectation of in-office presence 3 or more days a week in our San Francisco, New York, Boston, or Denver offices, depending on your team. Remote work may be considered for exceptional candidates.CompensationThe estimated annual salary range for this position is between $202,000 and $238,000 USD. The actual salary will be based on various factors, including job-related skills, relevant experience, qualifications, location, internal equity, and market data. In addition to the base salary, total compensation may include equity, variable compensation, and benefits. We consider equity a vital part of our overall compensation package.

Feb 2, 2026
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companyDatabricks logo
Full-time|$192K/yr - $260K/yr|On-site|San Francisco, California

P-150 At Databricks, we are dedicated to empowering data teams to tackle some of the world's most challenging problems, ranging from security threat detection to the development of cancer treatments. We achieve this by creating and managing the leading data and AI infrastructure platform, allowing our clients to concentrate on the high-value challenges central to their missions. Founded in 2013 by the original creators of Apache Spark™, Databricks has evolved from a modest office in Berkeley, California, to a global enterprise with over 1000 employees. Our platform is trusted by thousands of organizations, from startups to Fortune 100 companies, establishing us as one of the fastest-growing SaaS firms worldwide. Our engineering teams design and develop highly technical products that meet significant real-world needs. We continually push the limits of data and AI technology while maintaining the resilience, security, and scalability essential for our customers' success on our platform. We operate one of the largest-scale software platforms, comprising millions of virtual machines that generate terabytes of logs and process exabytes of data daily. Given our scale, we frequently encounter cloud hardware, network, and operating system faults, and our software must effectively shield our customers from any disruptions. As a Software Engineer focused on backend development, you will collaborate closely with your team and product management to prioritize, design, implement, test, and operate microservices for the Databricks platform and products. This role includes writing software in Scala/Java, building data pipelines using Apache Spark™ and Apache Kafka, integrating with third-party applications, and interacting with cloud APIs such as AWS, Azure, CloudFormation, and Terraform. Below are examples of teams you can join: Data Science and Machine Learning Infrastructure: Develop services and infrastructure that bridge the gap between machine learning and distributed systems. Our technology supports flagship collaborative workspaces, notebooks, IDE integrations, and project management tools. We also facilitate large-scale machine learning through environment management, distributed training, and lifecycle management via MLflow. Compute Fabric: Construct the resource management infrastructure that supports all big data and machine learning workloads on the Databricks platform in a robust, flexible, secure, and cloud-agnostic manner. This software oversees millions of virtual machines.

Jan 30, 2026
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company
Full-time|On-site|San Francisco

Join Saris AI as a Staff Backend Software Engineer, where you will play a pivotal role in developing innovative solutions that harness the power of artificial intelligence. In this dynamic position, you will collaborate with cross-functional teams, design scalable systems, and contribute to the overall architecture of our backend solutions.

Apr 9, 2026
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companyPatreon, Inc. logo
Full-time|On-site|San Francisco

Role overview Patreon is seeking a Staff Software Engineer specializing in Backend Platform for its San Francisco office. The position centers on designing and building scalable backend services that support and enhance the experience for creators using Patreon. What you will do Design and implement backend systems that can grow alongside Patreon's expanding user base Partner with engineers, product managers, and other teams to deliver reliable and user-friendly platform features Help guide technical decisions that influence the future direction of Patreon's backend architecture Collaboration This role works closely with cross-functional teams to ensure the platform addresses both technical requirements and user needs.

Apr 20, 2026
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companyArtisan logo
Full-time|Remote|San Francisco

About ArtisanAt Artisan, we are pioneering the development of AI employees—autonomous digital workers that perform real tasks rather than merely serving as chatbots or copilots.Our flagship product, Ava, is an AI Business Development Representative utilized by numerous companies. She autonomously researches leads, crafts and sends emails in a customer’s voice, executes multi-step outbound sequences, manages her own deliverability infrastructure, self-optimizes, and adeptly handles objections and meeting bookings. Ava is not just a tool; she is a vital teammate.As a Y Combinator W24 company, we have successfully raised over $35M from prominent investors and currently boast an ARR exceeding $8M. We are in the process of developing Ava 2.0, which represents a significant leap forward in what is possible with AI employees. The engineering challenges we face are complex, and the potential for innovation is vast.Role OverviewAs the inaugural Data Engineer on our team, you will take ownership of all data-related initiatives at Artisan. You will be tasked with managing a database containing hundreds of millions of leads and generating real-time intent signals that monitor data fields for these leads.Design, build, and maintain scalable data pipelines capable of processing and transforming large volumes of both structured and unstructured data.Oversee data ingestion from third-party APIs, internal systems, and customer datasets.Develop and uphold data models, data schemas, and storage systems optimized for machine learning and product performance.Collaborate closely with machine learning engineers to prepare model-ready datasets, embeddings, feature stores, and evaluation data.Implement robust data quality monitoring, validation, and observability practices.Work in tandem with product engineers to support new features reliant on intricate data flows.Optimize systems for performance, cost-effectiveness, and reliability.Contribute to foundational architecture decisions, infrastructure design, and best practices for data governance and management.Create tools that empower the entire team to access clean, well-structured data seamlessly.Location: San Francisco, New York, or Remote USATeam: EngineeringReports to: CPTO, Sam StallingsWho You AreAt least 3 years of experience as a Data Engineer.Strong proficiency in Python, SQL, and modern data tools (such as dbt, Airflow, Dagster, etc.).Demonstrated ability to work collaboratively in a fast-paced environment.

Dec 3, 2025
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companyGiga AI Inc. logo
Full-time|On-site|San Francisco

Join Giga's Innovative TeamAt Giga, we're on the cutting edge of technology, having successfully raised $61 million in Series A funding. Our pioneering real-time AI agents are designed to understand emotions, resolve customer issues instantaneously, and scale across some of the largest enterprises globally. We are proud to serve notable clients, including DoorDash.As we stand at a crucial turning point in our journey, we invite talented engineers to join us in achieving our vision of becoming the leading AI platform for enterprise automation, powered by our voice superintelligence.The work we do impacts millions daily, providing our engineers with the autonomy to shape their projects and make a tangible difference. With visionary founders, a successful business model, and a clear roadmap for future growth, this is an extraordinary opportunity to join a generational company.Learn more about us through these articles:Voice AI startup Giga raises $61M Series ADoorDash and Giga PartnershipYour Role as a Staff Backend EngineerWe are seeking a Staff Backend Engineer to be a key player in defining the technical strategy of our backend systems. You will be responsible for leading complex projects, making pivotal architectural decisions, and elevating engineering standards across our team.This position is tailored for those who want to be builders at heart. You will write code, take ownership of systems, and deliver results while also looking ahead to determine future development directions for our team.Key ResponsibilitiesYou will spearhead technical initiatives across the organization, including:System architecture: Innovating our agent infrastructure to seamlessly scale while balancing speed, reliability, and complexity.Challenging technical problems: Leading high-stakes projects where the consequences of failure could significantly impact our business.Technical strategy: Proactively identifying system gaps and proposing solutions to enhance our platform.

Oct 11, 2025
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companyDEUNA logo
Full-time|On-site|San Francisco

About DEUNA DEUNA is an innovative startup transforming the landscape of global commerce with our groundbreaking AI-driven orchestration and payments platform, ATHIA. Our solution empowers large enterprises to enhance approval rates, minimize costs, and discover new revenue streams. Developed by a team recognized as the fastest-growing Commerce OS in Latin America, ATHIA integrates payment intelligence, checkout optimization, and data orchestration into a unified solution.With robust integrations across over 300 payment service providers and alternative payment methods, and with more than 20% of Mexico’s digital economy processed through our platform, we simplify global payment processes via a single integration and centralized reconciliation.As we expand into the U.S. market to fulfill the pressing requirements of large retailers, marketplaces, airlines, and quick-service restaurants (QSRs), we invite you to join us in shaping the future of payments! Role OverviewWe are on the lookout for a Backend Staff Engineer who will serve as a technical expert and architectural leader for our backend systems. This position focuses on tackling complex engineering challenges, scaling distributed systems, and establishing backend engineering standards across the organization.This is not a management role; instead, you will act as a technical authority, collaborating with Engineering Managers while taking charge of technical depth and backend architecture decisions. You will thrive in a dynamic startup environment where backend systems are critical to product capabilities.Key ResponsibilitiesBackend Architecture & System Design- Create and enhance scalable, secure, and resilient backend systems.- Architect high-availability APIs and distributed services.- Establish best practices for reliability, observability, and performance.Deep Technical Contribution- Write high-quality, production-ready backend code.- Lead refactoring initiatives and performance enhancements.- Identify system bottlenecks and implement scalable solutions.- Design data models, caching strategies, and asynchronous workflows.Technical Influence- Provide technical guidance across teams.- Facilitate complex design discussions and evaluate trade-offs.- Enhance backend development standards and documentation practices.Scalability & Reliability- Design systems capable of managing high-traffic and transaction-intensive workloads.- Define strategies for load balancing, scaling, monitoring, and failure management.- Optimize system instrumentation and monitoring practices.

Feb 11, 2026
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companyScribe logo
Full-time|On-site|San Francisco

About UsScribe is a dynamic company where outstanding talent thrives. With over 94% of the Fortune 500 relying on our platform, we empower teams to accomplish their tasks efficiently while continuously improving their workflows. Our innovative Workflow AI technology streamlines and enhances processes, enabling teams to work smarter and more consistently.Since our inception in 2019, we've experienced rapid growth, amassing over 5 million users across 600,000 businesses. Based in the heart of San Francisco, we have been recognized as a LinkedIn Top Startup and are valued at over $1 billion, supported by premier investors. Join us in transforming the way people approach their work.Our Work CultureWe are passionate builders dedicated to honing our skills. Our team values collaboration and shared success, embracing principles such as:Accelerating impactRaising the barEmpowering our usersClear communication is kindFostering rapid learningOne team, one visionAbout This RoleWe are seeking a talented and seasoned backend engineer to become a Staff Engineer on our Core Engineering team. This pivotal group is responsible for the most critical user experiences at Scribe, encompassing functionalities like viewing and editing Scribes, managing Pages, Embeds, Exports, and supporting essential Integrations. Your contributions will directly enhance how users create, share, and leverage documentation, significantly improving their effectiveness.If you are driven by a passion for addressing real user challenges and approaching problems with both practicality and elegance, this is your chance to work closely with designers, user advocates, and engineers across the technology stack to shape the future of Scribe. As a Staff Engineer, you will play a vital role in system design, elevate our engineering culture, and mentor fellow engineers.Your Responsibilities Will IncludeLeading the development of new features within our Django monolith, focusing on core experiences such as viewing and editing Scribes, Pages, Embeds, Exports, and related Integrations.Enhancing database queries, endpoints, and caching layers to boost performance and scalability in critical user workflows.Collaborating across teams to ensure seamless integration and user experience.

Jan 21, 2026
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companyAnon logo
Full-time|On-site|San Francisco

About AnonAnon is revolutionizing enterprise data workflows by creating a platform that empowers businesses to deploy authenticated AI agents.Our mission is to tackle one of the most pressing issues in enterprise automation: accessing and transforming data that is locked behind authentication barriers. Our innovative platform enables AI agents to securely connect with any web-based system, extracting unstructured data and delivering it through modern APIs.Since our inception in 2023, we have transformed extensive manual processes into automated workflows that complete in mere minutes. We have secured $14 million in funding from esteemed investors such as Union Square Ventures, Forerunner Ventures, Okta Ventures, and Abstract Ventures.Our vision is clear: every business system should be accessible to AI agents. If you are passionate about building the infrastructure that will drive the next wave of AI applications, we invite you to join our dedicated team of 12 in San Francisco.www.anon.com/careers

Oct 22, 2024
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companyApiphany logo
Full-time|$160K/yr - $300K/yr|On-site|San Francisco

Join Us at ApiphanyAt Apiphany, we are at the forefront of foundational AI technology, driving innovation in physical product development. Our mission is to support global leaders in automotive, aerospace, medtech, and energy sectors by transforming complex, unstructured technical data into actionable insights in real-time. With investment from notable firms like Markforged, Databricks, GM, and Character, we aim to redefine engineering decision-making, simplifying complexity for top-tier manufacturers worldwide.Our cutting-edge models are designed to tackle the intricacies of engineering and manufacturing, incorporating a deep understanding of physics, design specifications, and program constraints. We are a compact yet highly skilled team composed of builders from prestigious institutions including Stanford, Berkeley, MIT, UW, and CMU, alongside industry veterans from GM, Ford, and Genesis Therapeutics. Together, we share a passion for revolutionizing hard-tech and establishing a company that sets the standard in our field.Your RoleIn the role of Senior / Staff Backend Engineer at Apiphany, you will take charge of designing, building, and scaling the essential systems that drive our intelligence platform. You will be responsible for developing low-latency backend services and APIs capable of processing extensive engineering data streams, maintaining security and compliance, and architecting systems for optimal performance and availability. Additionally, you will influence long-term architectural decisions, guide your colleagues through mentorship, and establish best practices for scaling backend services to deliver robust and high-performance applications.

Oct 23, 2025
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company10alabs logo
Full-time|On-site|San Francisco

Join 10alabs as a Backend Software Engineer where you will play a vital role in designing and developing robust backend systems. You will work closely with cross-functional teams to create scalable and efficient software solutions that meet the needs of our clients. If you are passionate about technology and eager to tackle complex challenges, we want to hear from you!

Mar 27, 2026
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companyFurtherAI logo
Full-time|$150K/yr - $250K/yr|On-site|San Francisco

Role OverviewLocated in the heart of San Francisco, CA, this position is integral to our headquarters and does not support full-time remote work.Compensation for this role ranges from $150,000 to $250,000 annually, depending on experience, along with equity and comprehensive benefits.About FurtherAIAt FurtherAI, we are pioneering advanced AI agents tailored for the insurance sector, a market primed for innovation worth trillions. Having successfully secured over $30 million from prestigious investors such as Andreessen Horowitz, Y Combinator, Nexus, South Park Commons, and Converge, we've experienced a remarkable tenfold revenue growth this year. Our clientele includes some of the most renowned names in insurance, including a top 5 global insurance company. Our team merges profound AI knowledge with extensive entrepreneurial experience.We are currently seeking an extraordinary Software Engineer to join our foundational team and help shape our product and organizational culture.Why Work With Us?Accelerated Growth: Experience rapid revenue growth post-product-market fit.Exceptional Team: Our founding group features talents from Apple AI Research, four ex-Y Combinator founders, and six successful entrepreneurs. Our engineering team boasts backgrounds from Apple, Microsoft, Google, and Amazon.Deep Technical Challenges: Collaborate with a staff research scientist and a team of seven engineers tackling advanced AI and scalable backend solutions.Significant Market Influence: Our work is transformative, reshaping the insurance industry's operational landscape.Entrepreneurial Spirit: Ideal for those looking to take ownership of critical product areas and possibly launch their own ventures in the future.Your ResponsibilitiesDevelop and enhance the core product, ensuring optimal performance, reliability, and ongoing improvements.Take charge of substantial elements of the backend architecture using Python.Work closely with founders to define and guide the technical roadmap.Embrace a culture of extreme ownership within a dynamic, high-performance environment.Engage in-person at our San Francisco office (5 days a week).

Jan 5, 2026
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companyLightfield logo
Full-time|On-site|HQ: San Francisco

Join our dynamic team at Lightfield as a Staff Engineer specializing in Backend Systems. We are looking for a passionate engineer who thrives in a fast-paced environment and is eager to innovate and contribute to the design and implementation of our backend architecture. You will collaborate closely with cross-functional teams to deliver high-quality solutions that enhance our products and services.

Mar 10, 2026
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company
Full-time|On-site|San Francisco

About HappyRobotHappyRobot is a pioneering AI-native operating system designed for the real economy. We bridge the gap between intelligence and action by integrating real-time insights, specialized AI operatives, and orchestrating intelligence. Our technology empowers enterprises to manage complex, mission-critical operations with genuine autonomy.Our AI OS continually enhances knowledge, optimizes processes, and adapts over time. We are focusing initially on supply chain and large-scale industrial operations, where resilience, speed, and ongoing improvement are crucial—allowing humans to concentrate on strategy, creativity, and other high-value activities.Discover more about our vision in our Manifesto. To date, HappyRobot has secured $62M in funding, including a recent $44M Series B round in September 2025. Our investors include Y Combinator (YC), Andreessen Horowitz (a16z), and Base10—partners who share our commitment to transforming enterprise operations. We are channeling this investment into building a world-class team—individuals with relentless drive, exceptional problem-solving abilities, and a passion for pushing boundaries in a dynamic, high-intensity setting. If this resonates with you, consider joining HappyRobot.About The RoleAt HappyRobot, Backend Software Engineers take ownership of critical components of our product and infrastructure from inception to deployment. We are seeking passionate builders who excel in uncertain environments, value craftsmanship, and desire true ownership of their creations.

Dec 20, 2025
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companyCleric logo
Full-time|On-site|San Francisco

Join Our Innovative Team at ClericAt Cleric, we are on a mission to develop a cutting-edge autonomous AI agent designed to investigate and resolve production incidents efficiently. Our state-of-the-art agent utilizes large language models (LLMs) alongside advanced tools to comprehend complex systems, analyze problems, and implement corrective measures, even for unprecedented issues.Our technology is already making waves in high-scale companies across various sectors, including fintech, ride-sharing, and autonomous vehicles.About the RoleWe are seeking a talented Backend Software Engineer to join our dynamic team in scaling our autonomous agent technology. This position is perfect for engineers eager to develop, deploy, and enhance AI systems within real-world environments.You will collaborate closely with senior engineers on agent reasoning, integrations, and runtime systems, playing a pivotal role in delivering impactful customer-facing features.Your ResponsibilitiesEnhance capabilities of our autonomous agent and streamline tool execution workflowsDevelop and expand integrations with existing production systemsAssist in creating tools for agent evaluation and observabilityPartner with senior engineers to design, implement, and deliver new featuresGain insights into building reliable AI systems for production environmentsQualifications1–2 years of professional experience in software engineeringStrong understanding of software engineering principles and system designProficiency in Python (familiarity with other programming languages is a plus)A keen interest in AI, machine learning, and agentic systemsA passion for rapid learning and tackling real-world production challengesPreferred SkillsFamiliarity with AI/ML systems or LLM-based productsExperience with distributed systems or cloud infrastructureBackground in startup or fast-paced team settingsOur Work CultureSmall teams that create a significant impactEncouragement of radical candor in a supportive environmentEmphasis on in-person collaborationAn AI-first approach in all our endeavors

Jan 14, 2026
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companyBraintrust logo
Full-time|On-site|San Francisco

About braintrustBraintrust is at the forefront of AI observability, merging evaluation and observability into a seamless workflow. Our platform empowers developers to gain critical insights into AI behavior in production environments and provides tools for optimization.Renowned companies such as Notion, Stripe, Zapier, Vercel, and Ramp leverage Braintrust to assess models, test prompts, and identify regressions, transforming production data into enhanced AI performance with each update.About the RoleWe are seeking a passionate Backend Engineer to contribute to the foundational infrastructure of innovative AI development tools.Braintrust operates as a real-time, highly available data platform within both SaaS and self-hosted ecosystems. Your contributions will be pivotal in scaling our data ingestion pipelines, enhancing our open-source libraries, and ensuring optimal system performance and reliability. If you excel in a dynamic environment and relish tackling complex systems challenges with a product-oriented mindset, we would love to collaborate with you.Your ResponsibilitiesAs a Backend Engineer at Braintrust, you will play a key role in shaping the core platform that facilitates LLM-native development:Design and deploy features that provide users with profound insights into their LLM utilization and performance metrics.Integrate, proxy, cache, and aggregate data from leading model providers such as OpenAI, Anthropic, and Gemini, which our clients depend on.Create and refine robust, efficient open-source libraries for tracing and evaluating LLM calls within client applications. Explore our SDKsDevelop highly available real-time data pipelines to ingest, store, and query extensive volumes of structured and semi-structured AI usage data.You will also collaborate closely with product engineers to deliver polished, comprehensive features that address real customer challenges, including:Bundling and uploading JavaScript and Python code snippets for on-demand function calls in LLM workflows.Facilitating the parsing and uploading of attachments from LLM multimodal outputs for long-term storage.Implementing role-based access controls and data retention protocols for enterprise scenarios.

May 27, 2025
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companyUnify logo
Full-time|On-site|San Francisco Office

About UnifyAt Unify, we are pioneering an innovative AI-driven system of action for revenue teams. Our mission is to revolutionize outbound strategies into a high-performing growth engine, making go-to-market execution transparent, repeatable, and scalable. Founded in 2023 by industry leaders from Ramp and Scale AI, our talented team boasts experience from notable companies like Airbnb, Meta, Waymo, Perplexity, and Monday.com.In 2024, Unify achieved an impressive revenue growth of 8x, serving esteemed clients such as Perplexity, Cursor, SoFi, and Justworks. We are a dynamic and high-energy team backed by $58M in funding from Thrive, Emergence, OpenAI, and more. Join us in shaping the future of GTM!About the RoleAs the first Backend Staff Software Engineer at Unify, you will play a crucial role in scaling our core platform to accommodate our rapid growth. Collaborating directly with the founders, you will bring innovative product ideas to life, establish a clear technical vision, and set engineering standards that will guide our evolving company.

Jan 19, 2026
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companyAstranis logo
Full-time|$120K/yr - $170K/yr|On-site|San Francisco

Astranis is revolutionizing space communications by constructing advanced satellites for high orbits, enabling humanity to expand its reach into the solar system. Our satellites currently deliver dedicated, secure networks to a diverse range of sophisticated clients globally, including large corporations, government entities, and the US military. With five satellites successfully in orbit and many additional launches on the horizon, we are addressing a robust backlog of over $1 billion in commercial contracts.As the preferred satellite communications partner for customers with stringent uptime, data security, network visibility, and customization requirements, Astranis has successfully secured over $750 million in funding from top investors, including Andreessen Horowitz, Blackrock, and Fidelity. Our team of 450 engineers and entrepreneurs works out of our impressive 153,000 sq. ft. headquarters in Northern California, USA, where we design, build, and operate our satellites.Backend Software EngineerBefore a satellite can be launched into orbit, it undergoes a comprehensive process that includes financing, procurement, manufacturing, and testing. As a Backend Software Engineer, you will play a pivotal role in constructing the software systems that facilitate spacecraft development, testing, and manufacturing, ensuring seamless integration with our supply chain. This high-impact role encompasses multiple domains—from procurement and manufacturing to cloud services and data pipelines—contributing significantly to efficient engineering workflows, business intelligence, and scalable flight operations.In this role, you will collaborate closely with cross-functional teams, including hardware engineers, manufacturing specialists, operations personnel, and satellite flight control teams, to develop internal tools that streamline processes and accelerate development. You will be responsible for owning and delivering scalable systems that enable us to efficiently build, test, and launch satellites.This position supports both commercial and US Government satellite programs.

Mar 17, 2026

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