Senior Software Engineer - Back End & Infrastructure (NYC or Seattle)

Important Note: We can only consider candidates who are eligible to work in the United States without visa sponsorship. This includes U.S. citizens and Green Card holders.About Evertune AI:Evertune is at the forefront of creating the first AI discovery platform tailored for modern marketers. In a landscape where large language models (LLMs) are becoming essential for insights and recommendations, we empower brands to decipher AI narratives about their performance, competitive positioning, and visibility in AI-driven responses. Our platform transforms complex AI behaviors into actionable strategies, enabling marketing teams to make rapid and informed decisions that fuel growth.Founded by industry veterans who played pivotal roles in scaling The Trade Desk into a premier ad tech leader, we possess extensive knowledge in digital advertising, data analytics, and high-growth scenarios. We are trailblazing a new territory that intersects AI, SEO, and brand strategy.With a $15M Series A funding round led by Felicis Ventures, alongside contributions from Eniac, NextView, Roger Ehrenberg, and key figures from OpenAI, Google, Meta, and Uber, we are positioned for rapid growth as we develop the first enterprise-grade AI marketing suite.Supported by top-tier venture capitalists and trusted by innovative brands, we have the capacity to scale — but our true essence lies in our culture. We act swiftly, think creatively, and embrace the best ideas regardless of hierarchy. If you are passionate about shaping the future of brand growth in the AI era, you will excel here.Your Team:You will be integrating into Evertune's software engineering team, a close-knit and dynamic group, primarily based in Seattle and New York City. Despite spanning different time zones, we maintain strong alignment and shared urgency. Our engineers are focused on delivering at high speed: we prioritize rapid deployment, meticulous attention to detail, and genuinely enjoy collaborative development.As a key early hire, you will influence not only our coding practices but also our growth strategies, communication methods, and scaling processes.Your Role:You will assume deep technical ownership of the backend systems that drive our AI Discovery platform, working at the cutting edge of evaluating and applying LLMs to real-world challenges. This encompasses designing distributed systems, defining our cloud and infrastructure strategies, optimizing AI integrations, and making architectural choices that facilitate swift and reliable scaling.You are primarily a software engineer — someone with a profound understanding of building robust software systems — but you are equally enthusiastic about working at the infrastructure level. You appreciate how a solid and scalable infrastructure can enhance software performance.

Role overview The Senior Back End Software Engineer position at evertune is based in Seattle. The role centers on developing and maintaining the core back-end systems that power the evertune platform. This work involves designing solutions that help the platform run smoothly and reliably. Collaboration is a key part of the job. The engineer will work closely with other experienced team members to ensure that services are scalable and dependable. Improving the experience for users remains a top priority throughout the development process. What you will do Design, build, and maintain back-end systems for the evertune platform Work with a skilled team to deliver reliable and scalable services Focus on solutions that enhance user experience Location This position is located in Seattle.

About Our TeamJoin the Statsig team at OpenAI, where we engineer the essential experimentation, rollout, and analytics infrastructure that drives every aspect of our product development. Our innovative systems empower teams across OpenAI to launch features safely, conduct experiments, and analyze the performance of product and model changes in real environments.Based in our Bellevue office, we are a close-knit group that thrives on in-person collaboration, rapid execution with a focus on impact, and creating systems that enable creativity across the organization.About the RoleAs a Senior Infrastructure Engineer on the Statsig team, you will play a vital role in designing and scaling the core infrastructure that supports OpenAI's experimentation and rollout tools.You will engage with distributed systems that provide real-time configuration decisions, handle vast amounts of experimentation data, and facilitate analytics that help teams gauge the effectiveness of product and model adaptations in production.This position demands a deep technical understanding and emphasizes performance, scalability, and reliability at an unprecedented scale. You will architect systems capable of supporting billions of feature evaluations, adhering to stringent latency standards, and establishing the data foundation for experimentation throughout OpenAI's product ecosystem.In this position, you will:Design and implement low-latency configuration delivery systems that drive progressive rollouts across OpenAI's diverse product offerings.Develop a highly scalable data ingestion and analytics infrastructure to enhance experimentation, product analytics, and feature performance tracking.Elevate the performance, efficiency, and reliability of Statsig’s core infrastructure, ensuring systems remain fast and stable as OpenAI’s products expand globally.Optimize query performance and data accessibility for experimentation and analytics workflows utilized by teams across OpenAI.Lead significant technical initiatives and influence the architecture of the experimentation and rollout infrastructure utilized company-wide.You may excel in this role if you:Possess experience building large-scale distributed systems with rigorous performance and reliability standards.Thrive on solving low-latency systems challenges, such as real-time configuration delivery and data analysis.

Role Overview Airwallex is hiring a Senior Software Engineer focused on Infrastructure AI in Seattle. This role centers on improving infrastructure systems by applying AI technologies. The position calls for close collaboration with colleagues across different teams to build scalable solutions that strengthen both performance and reliability.

Join DigitalOcean as a Senior Software Engineer I (Storage) and be a key player in developing innovative storage solutions that empower developers around the globe. You will work on cutting-edge technology, enhancing our cloud infrastructure while collaborating with a talented team dedicated to delivering exceptional results.

Join a Revolutionary CompanyAt Palantir, we are at the forefront of developing cutting-edge software that empowers organizations to make informed, data-driven decisions. Our innovative platforms enable partners to create life-saving medical treatments, optimize supply chains, and assist in critical search and rescue operations, among many other impactful applications.About the RoleWe are seeking a Senior Software Engineer specializing in Network Infrastructure to join our dynamic team. Your mission will be to enhance and simplify our complex Kubernetes networking technology stack, ensuring it is user-friendly, robust, and secure.The Network Infrastructure team is responsible for managing the traffic flow across numerous zero-trust K8s clusters that support a variety of workloads. You will tackle unique technical challenges at the nexus of scalability, usability, and security, enabling agile control over transient infrastructure, which includes managing tens of thousands of firewall rules targeting thousands of ephemeral pods. This role will engage you in one of the most demanding technical environments at Palantir, utilizing CNCF tools like Envoy and Cilium alongside Kubernetes controllers.

At Docker, our mission is to simplify app development, allowing developers to concentrate on what truly matters. Our globally distributed, remote-first team is united by a shared passion for innovative solutions and exceptional developer experiences. With a robust user base of over 20 million monthly users and 20 billion image pulls, Docker stands as the premier tool for building, sharing, and executing applications—trusted by both startups and Fortune 100 companies. We're in a phase of rapid growth and eager to welcome new talent who share our vision!We are on the lookout for an accomplished Senior Principal Engineer to act as the technical architect and visionary for our Bridge organization—the essential platform that underpins accounts, billing, data management, developer tools, and enterprise governance across all Docker products. This pivotal individual contributor role is charged with defining and driving the technical strategy that will facilitate Docker's evolution from a suite of individual products to a cohesive enterprise platform, ready to support our next growth phase.In this capacity, you will formulate comprehensive technical plans that resonate across multiple engineering teams, make critical architectural choices that have a significant impact on Docker's entire product suite, and lead cross-company initiatives that directly influence revenue generation. Collaborating at the intersection of Accounts, Billing, Data, Platform Infrastructure, Developer Tools, and Enterprise Governance, you will ensure that these foundational systems operate seamlessly to support Docker's transformative business model, transitioning from seat-based to usage-based pricing, expanding into AI and security solutions, and scaling our enterprise customer base from tens of thousands to hundreds of thousands.The ideal candidate will possess a unique blend of deep technical expertise across various domains and the business insight necessary to translate Docker's commercial objectives into actionable platform capabilities. You will be recognized as the go-to expert on platform architecture across Docker, advising executives on critical technical decisions and ensuring that product teams can rapidly launch enterprise-ready features, supported by a robust underlying platform.

We are seeking a talented and experienced Senior Software Engineer to join our dynamic team at dev2. In this role, you will leverage your expertise in software development to design and implement innovative solutions that enhance our product offerings and drive business success.As a Senior Software Engineer, you will be responsible for:Developing high-quality software solutions using modern programming languages and frameworks.Collaborating with cross-functional teams to define, design, and ship new features.Mentoring junior engineers and sharing best practices to foster a culture of continuous improvement.Debugging and optimizing existing code to improve performance and maintainability.Participating in code reviews and ensuring adherence to development standards.

Join Hiya and Transform Voice CommunicationAt Hiya, we're redefining the way people connect through voice. We believe that every call should be safe, reliable, and genuinely human. As the landscape of voice communication evolves, we are at the forefront, combating spam, scams, and AI manipulation to restore trust in phone calls.With our advanced AI voice technology processing over 28 billion calls monthly, we protect more than 550 million users and collaborate with over 800 businesses globally. Our partnerships with industry leaders like AT&T, Samsung, and British Telecom propel us to new heights, ensuring that picking up the phone feels good again.This is an exciting time for the voice industry, and Hiya is experiencing rapid growth, expanding at over 40% year on year. We're looking for passionate individuals to help us shape the future of voice communication.Role OverviewAs a Senior VoIP Infrastructure Engineer, you will play a key role in establishing voice as a core competency at Hiya. You will transform our innovative solutions into a robust, scalable platform that supports our consumer app and future carrier partnerships.Your expertise will guide the infrastructure and systems that power voice at Hiya, especially within mobile app and B2B carrier environments. You will lead architectural decisions affecting call quality and platform direction, working independently to navigate challenges and deliver impactful solutions.This position is essential for enhancing our platform's capabilities, preparing for carrier integrations, and solidifying Hiya's presence in the voice landscape, particularly for mobile phone applications.

Join a Transformative OrganizationAt Palantir, we are at the forefront of creating innovative software that enables data-driven decision-making and operational efficiency. Our platforms empower our partners to tackle critical challenges, from developing breakthrough medical treatments to predicting supply chain disruptions and helping locate missing children.Position OverviewThe Substrate team is pivotal to maintaining Palantir’s robust production infrastructure, involving hundreds of Kubernetes (K8s) clusters across diverse environments — from on-premises setups to major cloud providers, whether they are internet-connected or air-gapped. As a Senior Software Engineer within the Substrate team, you will play a crucial role in designing and building our managed Kubernetes product offerings across these varied landscapes.Your responsibilities will include initializing and managing our extensive fleet of K8s clusters, prioritizing automation and eliminating manual processes through the development of cutting-edge tools and contributions to core CNCF components. You will ensure our infrastructure remains scalable, stable, and secure, adhering to various compliance standards. Our team values engineering excellence and operational effectiveness at scale, emphasizing proactive issue resolution and investments in automation and self-healing systems.If you are passionate about large-scale infrastructure and Kubernetes, we invite you to apply for this exciting opportunity.

Join Galvanick as an Infrastructure EngineerAt Galvanick, we are dedicated to safeguarding the industrial sector from cyber threats. Our cutting-edge threat detection platform is designed to protect Operational Technology (OT) systems and networks from the malicious intents of criminals and state actors. This is an exciting opportunity to be part of a fast-paced startup that is revolutionizing cybersecurity, backed by prominent investors such as Founders Fund, Village Global, and MaC Venture Capital.Role OverviewWe are looking for a skilled Infrastructure Engineer to enhance our internal tools and pipelines. Your contributions will significantly improve the developer experience and accelerate product iterations. You will work extensively with Kubernetes, managing and scaling cloud and on-premises clusters. A vital aspect of your role will involve enriching our observability stack to guarantee system reliability and performance as we grow. Your expertise in automation and orchestration will be pivotal in optimizing our delivery practices and reducing operational costs. If you are enthusiastic about developing robust internal systems and ensuring the seamless operation of our infrastructure, we invite you to apply.Key Responsibilities* Architect, deploy, and sustain Kubernetes clusters in cloud and on-premise settings, ensuring optimal performance and scalability.* Develop and manage our observability platform utilizing Prometheus, Grafana, and Alertmanager for effective metrics collection, visualization, and alerting.* Establish and monitor SLIs/SLOs, create actionable dashboards, and implement alerting strategies to proactively identify issues such as sensor failures or data inconsistencies.* Champion automation using infrastructure management tools (e.g., Terraform, Ansible, CDK) to enhance deployment pipelines and resolve recurring challenges.* Build and refine internal tools to boost the efficiency and productivity of our development processes, including the design and implementation of CI/CD pipelines that streamline workflows.* Perform routine maintenance and troubleshooting to ensure the reliability of our systems and equipment.

Why join usBrex offers an innovative AI-powered spend platform designed to empower businesses with confidence in their spending. Our solution integrates corporate cards, banking services, and global payment options, accompanied by user-friendly software for travel and expense management. Trusted by tens of thousands of companies from startups to large enterprises—including industry leaders like DoorDash, Flexport, and Compass—Brex enables effective spend control, cost reduction, and enhanced efficiency at a global level.At Brex, we foster an environment where you can challenge your limits, disrupt the norm, and collaborate with some of the brightest minds in the tech industry. We are dedicated to creating a diverse and inclusive workforce, believing that your potential should be limited only by your aspirations. We provide the necessary tools, resources, and support to help you advance your career.Engineering at BrexOur engineering teams are committed to building scalable systems with precision and speed. We operate across various domains, including Software, Data, Security, and IT, promoting high autonomy and collaborative work. We tackle complex technical challenges and take ownership of our outcomes while striving for excellence from architecture to deployment. In our culture, engineering is a craft and builders evolve into leaders.What you’ll doIn your role as a Senior Software Engineer at Brex, you will be instrumental in developing new products from inception to launch, catering to both startups and large enterprises. We seek individuals passionate about product development and adept at navigating multiple moving parts. You will create customer-facing products that significantly impact our business and contribute to our long-term technical vision, maintaining high quality standards. You will be encouraged to leverage metrics and data to think strategically and creatively, aiding Brex in scaling and preparing for new market ventures.Where you’ll workThis position is based in our Seattle office, where we embrace a hybrid work model that blends the interpersonal dynamics of in-office work with the flexibility of remote arrangements. Currently, we require a minimum of three coordinated days in the office per week, specifically Monday, Wednesday, and Thursday. Enjoy up to four weeks of fully remote work per year as an additional benefit!Responsibilities:Collaborate with engineers across the organization to build new features and products end-to-end.Work alongside user-facing teams...

Join Aircall, a leading unicorn in AI-powered customer communication solutions, trusted by over 22,000 businesses globally to enhance revenue, accelerate issue resolution, and scale customer-facing teams. We are revolutionizing customer interactions by integrating voice, SMS, WhatsApp, and AI into a unified platform.Our growth is driven by a core principle: empower teams to work smarter, not harder. With innovations like our AI Voice Agent for automating routine calls, AI Assist for optimizing post-call tasks, and AI Assist Pro for providing real-time support, we enable teams to achieve higher revenue and faster resolutions confidently.Headquartered in Paris, with a strong North American hub in Seattle, Aircall also has teams in Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. We have developed a beloved product and a high-growth business, supported by top-tier investors and driven by rapid advancements in AI across various product lines.At Aircall, you'll be part of a dynamic and ambitious organization. We prioritize product excellence and execution, allowing for quick decision-making and significant impact.Our Work Culture: We are deeply customer-focused, data-informed, and committed to delivering valuable results. We value ownership, continuous learning, and thoughtful agility. If you excel in a collaborative, fast-paced environment where trust and impact are paramount, you're in the right place.We are seeking a Senior Software Engineer to develop intelligent systems that automate workflows across various internal departments at Aircall. This position merges advanced software engineering expertise with a passion for understanding and automating the workflows of stakeholders in Marketing, Sales, Customer Support, Customer Success, Finance, HR, Legal, Engineering, Product, and other functional areas utilizing AI agents. Ideal candidates should possess curiosity, an affinity for solving complex challenges, and practical experience deploying LLMs in production.

At NiCE, we redefine our boundaries, constantly pushing ourselves to achieve greater heights. We are driven by ambition, innovation, and a desire to excel. If you share our passion for excellence, we invite you to explore a career that ignites your potential.The Opportunity:As we expand our U.S.-based Research & Development team, we are in search of talented Senior Full Stack Software Engineers ready to elevate our offerings. This position is not for those who are content with the status quo. We are assembling a select group of elite full-stack engineers who integrate AI-assisted development as a fundamental aspect of their work, enabling them to surpass traditional development teams in delivering high-quality software rapidly and intelligently.In this role, you'll engage with a contemporary full-stack environment, contributing to NiCE’s innovative suite of AI-driven customer experience solutions. If you thrive in a dynamic product landscape and understand that the best code is the code that is deployed, this is the perfect team for you.Your Impact:Develop comprehensive features using a Node.js/TypeScript or Go backend alongside a React + TypeScript frontend, spanning from architecture to deployment.Drive AI-assisted development by utilizing tools like Claude Code and OpenAI Codex as integral components of your daily workflow, rather than an afterthought.Enhance the Software Development Life Cycle (SDLC) by creating and implementing AI-augmented development processes that effectively reduce cycle times, automate repetitive tasks, and enhance code quality.Establish team standards by sharing technical guidelines, fostering a culture of code reviews, and promoting best practices that shape the team's operations.Engage collaboratively with product managers, designers, and fellow engineers in a fast-paced, team-oriented environment where your contributions are valued.Take ownership of your projects from initial concept through to deployment, ensuring reliability, performance, and user satisfaction.

Urban Compass is seeking a Senior Software Engineer II in Seattle to help build software that improves urban living. This position centers on designing, developing, and maintaining reliable applications that serve city residents and businesses. Role overview As a Senior Software Engineer II, collaboration is key. Expect to work closely with colleagues from different disciplines, bringing together ideas and skills to deliver effective solutions. The work directly supports Urban Compass’s mission to make city life better through technology. What you will do Design and implement software applications focused on urban challenges Work alongside cross-functional teams throughout the development process Maintain and improve existing systems to ensure quality and performance Impact Your contributions will help define how technology shapes the urban experience. This role offers the chance to influence projects that matter to city dwellers and the broader community.

P-940 (Position Location is open to both our Seattle & Bellevue offices.) At Databricks, we are passionate about empowering data teams to tackle some of the world's most challenging problems, from detecting security threats to developing life-saving cancer treatments. We achieve this by creating and managing the leading data and AI infrastructure platform, allowing our customers to concentrate on the critical challenges central to their missions. Founded in 2013 by the original creators of Apache Spark, Databricks has rapidly transformed from a small office in Berkeley, California, into a global entity with over 1,000 employees. We are trusted by thousands of organizations, ranging from startups to Fortune 100 companies, with their mission-critical workloads, establishing us as one of the fastest-growing SaaS companies worldwide. Our engineering teams are dedicated to building highly technical products that address significant real-world needs. We continuously push the boundaries of data and AI technology while maintaining the resilience, security, and scalability necessary for our customers' success on our platform. We operate one of the largest software platforms, managing millions of virtual machines, generating terabytes of logs, and processing exabytes of data daily. At this scale, we frequently encounter faults in cloud hardware, networks, and operating systems, and our software must effectively shield our customers from such issues. As a Backend Software Engineer, you will collaborate closely with your team and product management to prioritize, design, implement, test, and maintain microservices for the Databricks platform and products. Responsibilities include writing software in Scala/Java, building data pipelines (Apache Spark, Apache Kafka), integrating with third-party applications, and interacting with cloud APIs (AWS, Azure, CloudFormation, Terraform). Potential teams you may join include: Data Science and Machine Learning Infrastructure: Develop services and infrastructure at the intersection of machine learning and distributed systems, empowering our flagship collaborative workspace, notebooks, IDE integrations, and project management tools. Our technology also facilitates machine learning at scale through tools for environment management, distributed training, and managing the ML lifecycle via MLflow. Compute Fabric: Create the resource management infrastructure that supports all big data and machine learning workloads on the Databricks platform, ensuring robustness, flexibility, and security.

About Us:Read AI is at the forefront of productivity-enhancing AI solutions, dedicated to empowering individuals and organizations to streamline their workflows across meetings, messaging, and email communication. Our seamless integration with leading platforms such as Microsoft Teams, Google Meet, Zoom, Slack, Hubspot, and Salesforce transforms how teams collaborate, providing an AI copilot that enhances productivity wherever work happens.Having recently secured $50 million in Series B funding led by Smash Capital, along with ongoing support from existing investors Madrona and Goodwater Capital, our total funding now stands at $81 million, marking an exciting phase of growth just six months post-Series A. If you are passionate about developing impactful solutions and eager to contribute to a rapidly growing company, we invite you to be part of our journey!The Role:As a Senior Software Engineer at Read AI, you will play a critical role in shaping the architecture and performance of our product. You will oversee the data flows and machine learning infrastructure, which encompasses real-time audio and video processing, interactions with third-party LLM providers, data processing orchestration, database management, data APIs, inferencing services, and transcription services.Responsibilities:Collaborate with cross-functional teams to design and develop scalable and reliable backend services and APIs that power our platform.Take ownership of key system components from conception through deployment and maintenance.Implement quality assurance best practices, including unit and integration testing.Optimize data processing pipelines and storage solutions for efficiency.Seamlessly integrate third-party services and data sources into our platform.Monitor and troubleshoot infrastructure and operational issues to ensure maximum uptime and reliability.Continuously assess and adopt best practices, tools, and technologies to improve system scalability, reliability, and maintainability.

Urban Compass is looking for a Senior Software Engineer II in Seattle to help design and build software solutions that strengthen our platform. This position focuses on creating products that address client needs and support the company’s growth. Role overview This engineer will work closely with colleagues from different departments to deliver reliable, high-quality software. The role involves both hands-on development and collaboration throughout the product lifecycle. What you will do Design and develop software features for the Urban Compass platform Collaborate with cross-functional teams to define and deliver product requirements Contribute to the quality and performance of products released to clients Location This position is based in Seattle.

Read AI develops tools that add intelligence to team collaboration, helping groups stay productive across meetings, messaging, and email. The platform connects with Zoom, Microsoft Teams, Google Meet, and Slack, making it easier for teams to coordinate and move projects ahead from anywhere. With $81 million in backing from Smash Capital, Madrona, and Goodwater Capital, Read AI is expanding its impact on AI-powered teamwork. Role overview This Senior Fullstack Software Engineer position is based at Read AI’s Seattle headquarters. The role involves both hands-on feature development and shaping the technical direction of the product. The engineer will design scalable systems, establish coding standards, and help define the technical roadmap. The work spans complex backend logic and building responsive, reliable user experiences. Read AI values engineers who are comfortable with ambiguity, mentor others, and focus on building systems that stand the test of time. What you will do Architectural leadership: Design and implement scalable web applications and distributed systems across the stack. Technical excellence: Maintain high code quality through code reviews, automated tests, and clear documentation. System ownership: Take responsibility for major product areas from initial design through deployment and ongoing improvement. Cross-functional strategy: Collaborate with Product and Design to shape the roadmap, balancing technical feasibility and scalability. Performance and reliability: Address issues affecting application speed, database performance, and frontend rendering. Mentorship: Support mid-level and junior engineers, encouraging best practices and ongoing learning. DevOps culture: Improve CI/CD pipelines, observability, and infrastructure-as-code. Location This role is on-site at Read AI’s Seattle HQ. Learn more Find additional information at https://www.read.ai/.

Join a Transformative CompanyAt Palantir, we are pioneers in developing cutting-edge software that facilitates data-driven decision-making and operational excellence. Our innovative platforms enable partners to make significant advancements in various fields, from creating lifesaving pharmaceuticals and predicting supply chain issues to reuniting families with missing children.About the RoleAs a Software Engineer at Palantir, you will play a crucial role in driving large-scale transformations using data, artificial intelligence, and our unparalleled infrastructure that underpins mission-critical operations. You will have the unique opportunity to accelerate your career trajectory by contributing high-quality code to:• Rubix and Apollo, platforms deployed in key public and private institutions• Shaping Mission Manager, a new internal infrastructure business line utilized by advanced civil and defense agencies globally• Creating core capabilities that support advanced civil and defense agencies in sensitive operational environments• Providing the foundation for Palantir’s other platforms, Foundry and Gotham, which streamline workflows for research scientists, aerospace engineers, intelligence analysts, and economic forecasters.You will become a member of our Production Infrastructure team, consisting of small, agile groups of engineers focused on:• Environment Platform: a Kubernetes-based Platform as a Service (PaaS) encompassing hundreds of production clusters• Apollo: secure, fleet-wide deployment and management for intricate microservice architectures• Signals: our comprehensive suite of observability and alerting solutions.Key ResponsibilitiesAs a Software Engineer at Palantir, you will oversee all stages of the product lifecycle—from ideation and prototype design to feature implementation and release management—while being guided by a dedicated mentor invested in your development. You will collaborate closely with both technical and non-technical team members to identify genuine customer challenges and develop impactful solutions. To gain invaluable experience, you might engage directly with military exercises or collaborate with vendors utilizing Palantir’s Apollo and Rubix platforms to deliver our software to government personnel and defense workers.SWE Principles Include:• ...