Staff Software Engineer, Build

Role overview Checkr is hiring a Staff Software Engineer, Integrations to support and enhance the company’s integration services. This position centers on building and refining solutions that connect the Checkr platform with external systems. The goal is to increase both connectivity and operational efficiency. As a member of the engineering team, this person will influence how the platform works with partners and customers. What you will do Design and implement integration features that broaden the platform’s capabilities Work closely with other engineers to deliver solutions that are reliable and easy to maintain Troubleshoot and resolve technical issues related to integrations Spot opportunities for improvement and suggest actionable changes Requirements Strong problem-solving skills and attention to detail Experience developing or maintaining integration services Ability to collaborate effectively within an engineering team Location San Francisco, California, United States

About UsAt Twelve Labs, we are at the forefront of developing innovative multimodal foundation models capable of understanding videos in a human-like manner. Our state-of-the-art models are setting new benchmarks in video-language modeling, allowing for more intuitive interactions and transformative media analysis.With an impressive $107 million in Seed and Series A funding, we have garnered support from leading venture capital firms like NVIDIA’s NVentures, NEA, Radical Ventures, and Index Ventures, as well as esteemed AI pioneers such as Fei-Fei Li, Silvio Savarese, and Alexandr Wang. Our headquarters are in San Francisco, complemented by a strong presence in APAC, particularly in Seoul, highlighting our commitment to global innovation.We embrace the individuality of each team member’s journey. The diversity of our cultural, educational, and experiential backgrounds fuels our drive to challenge the norm. We seek passionate individuals eager to contribute to our mission and make a significant impact as we redefine the landscape of technology. Join us in revolutionizing video comprehension and multimodal AI.Role OverviewAs a Senior Staff Software Engineer, you will take charge of the infrastructure and integration layer that ensures Twelve Labs models are seamlessly accessible on partner platforms. Your responsibilities will encompass everything beyond the models, including packaging, validating, deploying model containers, designing API surfaces for various platforms, routing requests, and maintaining production reliability across diverse cloud environments.You will collaborate closely with our Science, Product, and ML Engineering teams to align model and product roadmaps for successful platform integrations. Your expertise in external model orchestration will be pivotal; you will need to comprehend model component functionalities to make informed integration decisions, although model optimization will not be part of your role. Your contributions will significantly enhance our capacity to reliably deliver new model versions and features to users across all platforms.Willingness to travel up to 10% annually for conferences, off-site meetings, and other business-related events is expected. Participation in on-site interviews and/or in-person onboarding processes may also be required.

About Flow EngineeringFlow Engineering is a pioneering AI-driven requirements platform designed for contemporary engineering teams. We empower hardware groups to collaborate seamlessly with AI agents, facilitating the rapid design, validation, and evolution of intricate systems.Role OverviewWe are on the lookout for experienced Staff Software Engineers to develop AI-enhanced functionalities that streamline the process of authoring, reviewing, and managing requirements. You will be at the forefront of integrating AI into workflows for systems and domain engineering, shaping how teams analyze and improve their systems.This position uniquely combines aspects of AI, product development, and full-stack engineering, guiding projects from initial concept to stable, observable features in a live production environment.Your ResponsibilitiesDesign and implement AI-driven features such as assisted requirement drafting, consistency checks, impact analysis, and intelligent suggestions for systems and domain engineers.Create agentic workflows enabling systems and domain engineers to explore designs, simulate alterations, and validate requirements effectively.Assess and incorporate language models and related tools, ensuring optimal reliability, latency, cost-effectiveness, and debuggability in a production setting.Build and sustain the necessary infrastructure including data pipelines, evaluation tools, prompt and model management systems, observability features, and safety protocols.Work across the tech stack, from backend services and APIs to user interface elements, to deliver integrated AI features rather than mere model endpoints.Collaborate with product teams and clients to identify high-impact workflows, conduct experiments, and iterate rapidly based on feedback.Qualifications8+ years of experience in software development, including the design, testing, and operational management of services at scale within a cloud environment.Proficient in working with modern large language models (LLMs) and associated tools (e.g., OpenAI, Anthropic, Hugging Face, vector stores, retrieval-augmented generation patterns).Knowledgeable in prompt design, retrieval-augmented systems, evaluation techniques, and safety measures.Capable of evaluating trade-offs between different models, architectures, and deployment strategies to make informed decisions.Adaptable to a fast-paced work environment that encourages ownership, experimentation, and iterative development.Our Technology StackWe utilize a modern tech stack that emphasizes AI-driven solutions.

About GridwareGridware is an innovative technology firm based in San Francisco, committed to safeguarding and optimizing the electrical grid. We have pioneered a revolutionary grid management approach known as Active Grid Response (AGR), which emphasizes the monitoring of electrical, physical, and environmental factors that influence grid reliability and safety. Our cutting-edge AGR platform leverages high-precision sensors to identify potential issues early, facilitating proactive maintenance and fault prevention. This holistic strategy aids in enhancing safety, minimizing outages, and ensuring the grid operates with maximum efficiency. Gridware is supported by prominent climate-tech and Silicon Valley investors. For further details, please visit www.Gridware.io.Role OverviewWe are looking for a talented Staff Software Engineer to act as a pivotal technical force within our team, enhancing the overall software engineering capabilities through architectural innovation, mentorship, and fostering a culture of excellence. In this role, you will design and develop the essential software systems that drive Gridware's platform. This encompasses everything from backend services that oversee our distributed network of devices to the front-end interfaces that visualize grid health, fleet diagnostics, and real-time field events.Your responsibilities will span the entire technology stack, building and scaling systems that integrate hardware, firmware, and cloud infrastructure to enable dependable communication, fleet visibility, and expedited decision-making. This position offers significant ownership and impact, allowing you to influence how our technology supports and protects critical infrastructure at scale.

About BroccoliBroccoli is revolutionizing the $500 billion home services industry by developing an AI operating system designed to empower trades businesses such as HVAC and roofing. Our intelligent AI agents handle customer interactions, manage job bookings, and ensure every lead is effectively captured.With the backing of prominent venture capital firms and a successful $27 million Series A funding round, we are on an aggressive growth trajectory. Collaborating with top private equity-backed home service platforms, we anticipate expanding our team fivefold by 2026, presenting a unique opportunity to join us early and make a significant impact.Why Join Broccoli?As a Staff Engineer, you will be instrumental in establishing the technical backbone of Broccoli AI. Your responsibilities will include ownership of critical systems, influencing architectural decisions, and shaping our development and deployment processes on a large scale.Immediate Impact: Your contributions will directly enhance production systems, benefiting hundreds of customers.Category Creation: Play a pivotal role in defining a new category of AI-powered workforce within an expansive market.Speed & Ownership: Enjoy the advantages of a small team with rapid feedback loops and substantial decision-making authority.Founder Collaboration: Partner closely with experienced founders to drive product and technical vision.What You’ll DoDesign, develop, and scale backend systems and internal tools for our AI agent platform.Take ownership of essential APIs and integrations, including systems like ServiceTitan.Lead complex features from initial design through to production deployment.Enhance real-time voice capabilities, reliability, and intelligence of AI agents.Mentor fellow engineers and help implement best practices across the team.Balance speed and quality while scaling systems to accommodate live customer traffic.What We’re Looking For7+ years of experience in backend or full-stack engineering.Strong system design and architectural skills.Proven experience in deploying and maintaining production systems at scale.Ability to thrive in high-growth, ambiguous startup environments.A proactive approach with a strong execution mindset.

Join Carta's engineering team as a Staff Software Engineer, where you will play a crucial role in developing innovative solutions that enhance our platform. You will collaborate with cross-functional teams to design, implement, and maintain scalable systems, ensuring high performance and responsiveness to requests from the front-end.We're looking for a passionate engineer who thrives in a fast-paced environment and is excited about tackling complex challenges. If you are eager to contribute to cutting-edge technology and drive impactful projects, we want to hear from you!

Role overview The Staff Software Engineer position at Amplitude, Inc. is based in San Francisco, CA. This role centers on developing and enhancing software to broaden the platform’s features. Day-to-day work includes direct software development and frequent collaboration with colleagues from various teams. What you will do Design, build, and maintain scalable software applications that support the platform’s growth. Collaborate with product managers and designers to deliver features that address user needs. Mentor junior engineers and contribute to their technical and professional development. Review code and help improve engineering practices throughout the team. Stay current with emerging technologies and industry trends to guide technical choices.

Join our innovative team at Crusoe as a Staff Software Engineer. In this pivotal role, you will leverage your advanced software engineering skills to design, develop, and optimize cutting-edge solutions that enhance our technology stack. Collaborate with cross-functional teams to drive projects from concept to completion, ensuring high-quality deliverables that meet user needs and business objectives.

Role overview Salma Health is hiring a Software Engineer for Platforms & Integrations to help build and maintain the internal systems behind its brain health platform. The role involves designing and supporting integrations across electronic health records (EHR), CRM, billing, and research tools. Day-to-day work includes developing and maintaining connections between these systems, as well as creating internal tools for clinical and operational teams. Ensuring smooth data flow across the technology stack is a core responsibility. This position emphasizes collaboration with teams in engineering, product, clinical operations, and data. The goal is to keep the platform reliable and scalable as the company expands. Location This is a hybrid role. Candidates based in the San Francisco Bay Area, San Diego, or Salt Lake City are preferred. Remote work is possible, but regular in-person collaboration is expected.

Why Join AngelListAt AngelList, we tackle some of the most challenging issues in venture capital and private markets. Our team is driven by precision, urgency, and a vision for the future. If you're passionate about transforming the startup funding landscape, this is your opportunity.About AngelListOur mission is to fuel innovation by enhancing the success rate of startups globally. We achieve this by creating the financial infrastructure that facilitates investment in transformative companies. AngelList stands at the intersection of venture capital and the startup ecosystem, supporting over $171 billion in assets and facilitating investments in more than 13,000 startups, including over 300 unicorns. With 57% of premier U.S. VC deals involving AngelList investors, we are ambitious in our goals.If you are excited about shaping the future of private markets, we invite you to join our journey.About the Role: As a Staff Software Engineer for our Nova platform, you will be pivotal in defining and designing our development processes. You will be responsible for establishing the domain model and architectural patterns that will guide our engineering team. If you are a catalyst who can empower a team of eight to perform like a team of twenty by establishing clear patterns, embedding engineering context into our codebase, and driving vital initiatives forward, we want to hear from you.

About UsAt Imprint, we are revolutionizing the landscape of co-branded credit cards and financial products, making them smarter, more rewarding, and fundamentally brand-centric. We collaborate with esteemed brands like Crate & Barrel, Rakuten, Booking.com, H-E-B, Fetch, and Brooks Brothers to create innovative credit programs that enhance customer loyalty, unlock savings, and stimulate growth. Our sophisticated platform integrates cutting-edge payments infrastructure, intelligent underwriting, and a seamless user experience, enabling brands to offer impactful financial products without the need to become a bank.With co-branded cards accounting for over $300 billion in annual spending in the U.S., the majority are still managed by traditional banks. Imprint stands as the modern solution: agile, technology-driven, and tailored for today’s consumers. Supported by industry leaders like Kleiner Perkins, Thrive Capital, and Khosla Ventures, we are assembling a top-tier team to redefine payment methods and empower brand growth. If you're eager to work at a fast pace, tackle complex challenges, and make a significant impact, we want to hear from you.Discover more about us on Imprint's Technology Blog.Your RoleDesign and spearhead the development of secure, reliable, and scalable backend systemsProvide technical leadership and mentorship across diverse teams and projectsSet and advocate for coding standards, architectural principles, and technical vision within the engineering organizationCollaborate closely with product, design, and engineering leadership to align technical strategy with business objectivesDrive the continuous enhancement of system performance, scalability, and reliability to accommodate rapid growth and evolving business needsLead complex, high-impact projects from inception through deployment and ongoing optimizationEnhance developer experience through advanced tooling, comprehensive observability frameworks, and improvements in platform reliabilityMentor and nurture engineers through code reviews, design discussions, and technical guidanceContribute to the technical roadmap and identify innovative opportunities

Supported by prominent Silicon Valley investors, Peregrine Technologies empowers public safety organizations, state and local governments, federal agencies, and private-sector institutions to address societal challenges with unparalleled speed and precision. Our AI-driven platform transforms fragmented and isolated data into actionable operational intelligence, quickly surfacing mission-critical information to facilitate informed and timely decisions that enhance outcomes across various contexts. Currently, Peregrine serves hundreds of customers across more than 30 states and two countries, impacting over 125 million individuals—and we are amplifying our influence as we expand into enterprise markets and internationally.Our TeamAs an engineering team, we place a strong emphasis on empathy, believing it enhances our solutions. Understanding how users interact with our product is essential, and engineers will collaborate closely onsite to grasp the diverse use cases that Peregrine addresses.We are seeking a Staff Software Engineer to join our core engineering teams. In this role, you will collaborate cross-functionally with design and product management to develop robust, scalable, and user-centric systems. Our teams confront a variety of challenges, from enabling real-time user collaboration on intricate maps to constructing high-scale backend architectures capable of processing billions of data points.We value ownership and teamwork; you will take complete responsibility for significant features and work closely with fellow engineers to ensure successful completion. We believe that humility and empathy are vital for crafting the right solutions—you will work directly with our deployment team and users as we refine our offerings to meet their needs. Creativity and perseverance will be key to executing our vision.RoleWe are looking for a Staff Software Engineer to join our expanding team, lead impactful projects, cultivate an inclusive team culture, and steer technical decision-making.This position is ideal for someone who excels in both people management and hands-on technical leadership. You will build a high-performing team, guide them through complex technical challenges, and ensure their work aligns with our business goals. The ideal candidate will effectively mentor while upholding high standards in technical execution.You will drive significant work that delivers value to our customers, from supporting emergency responders during hurricanes to de-escalating intricate organized crime situations. We are developing innovative capabilities that enable...

At Endeavor AI, we are redefining the landscape of enterprise AI solutions. Our innovative software serves as the distribution platform for cutting-edge AI models that will shape a more efficient world.We believe that artificial intelligence will revolutionize various sectors such as legal, healthcare, and finance. However, our primary mission is to create AI that can construct the very infrastructure that supports its own advancement. Our focus is on the building materials industry, which is currently hampered by outdated manual processes for quoting, order entry, and pricing. These inefficiencies not only result in lost revenue but also lead to unnecessary labor costs. Our AI-driven product addresses these challenges, and as we establish dominance in this sector, we plan to expand into other industries.While research labs develop the models of the future, our team is committed to delivering the last-mile solutions necessary for their implementation. We tackle the complexities of real-world environments, ensuring the reliability and effectiveness of our AI applications while integrating them into existing, traditional systems.Our Principles:We embrace boldness, especially when faced with skepticism about our goals.We prioritize truth and clarity over comfort.We are determined to succeed and are dedicated to hard work.The Role | Staff Software Engineer:In this role, you will optimize our applications to enhance the performance of critical business functions. You will independently identify bottlenecks in our codebase and implement improvements. This position offers a high degree of autonomy, allowing you to design database schemas, elevate code quality, and refine existing software architecture.

About Our TeamThe Applied Foundations team at OpenAI is at the forefront of safeguarding our innovative technology against diverse adversarial threats. Our primary mission is to ensure the integrity and security of our platforms as they grow.We are dedicated to defending against financial misuse, large-scale attacks, and other forms of exploitation that could compromise user experience or destabilize our operations. The Integrity Foundations team lays the groundwork and infrastructure to support this critical mission.About the RoleAt OpenAI, we aim to advance artificial intelligence in a manner that is safe, reliable, and aligned with broader societal values. The role of Software Engineer in Applied Foundations is vital for maintaining the dependability of our platforms. You will play a key role in developing strong defenses against a variety of adversarial behaviors that threaten our ecosystem.In this position, you will collaborate with our entire engineering team to design and implement systems that detect and prevent abuse, promote user safety, and mitigate risks across our platform. You will be at the forefront of our initiatives to responsibly and sustainably harness the vast potential of AI.Key Responsibilities:Design and enhance systems to identify and prevent various forms of abuse, including financial fraud, botting, and scripting.Work collaboratively with cross-functional teams to create solutions that defend against adversarial attacks while preserving an optimal user experience.Assist in responding to active incidents on the platform and develop new tools and infrastructure to address fundamental challenges.You will excel in this role if you:Possess a minimum of 3 years of professional experience in software engineering.Have experience in setting up and maintaining production backend services and data pipelines.Exhibit a humble attitude, a willingness to support colleagues, and a commitment to team success.Demonstrate self-direction and enjoy innovating solutions to complex problems.Take ownership of issues from start to finish and are eager to acquire any necessary knowledge to achieve your goals.Have a passion for AI safety in production environments and the skills to build effective software systems.

Join Cloudflare as a Software Engineer specializing in Enterprise Integrations, where you will contribute to building and enhancing our suite of solutions that seamlessly integrate with enterprise systems. You will work collaboratively with cross-functional teams to design, develop, and implement scalable integration solutions that meet the complex demands of our enterprise clients.

Join our innovative team at fal as a Staff Software Engineer specializing in large-scale computation platforms. We are seeking a seasoned software engineer with extensive experience in developing backend systems that efficiently orchestrate workloads and manage resource constraints. Your expertise in foundational cloud infrastructure and Linux provisioning will be crucial as you work towards achieving high reliability and scalability with minimal operational overhead.

With support from prominent Silicon Valley investors, Peregrine Technologies empowers public safety organizations, state and local governments, federal agencies, and private sector entities to tackle societal challenges with unparalleled speed and precision. Our AI-driven platform transforms isolated and disparate data into actionable intelligence, rapidly presenting critical information that enables improved decision-making and outcomes. Currently, Peregrine serves hundreds of clients across over 30 states and two countries, impacting more than 125 million individuals, as we broaden our reach into enterprise markets and international territories.TeamOur engineering team is deeply committed to the idea that empathy enhances our solutions. Understanding how users interact with our products is fundamental to our approach. Engineers have the unique opportunity to collaborate closely with our onsite team to grasp the diverse use cases that Peregrine addresses.We cherish both ownership and teamwork; you will be fully accountable for significant features while working hand-in-hand with fellow engineers to ensure successful delivery. We believe that humility and empathy are critical for crafting effective solutions, and you will engage directly with our deployment team and users as we refine our offerings to meet their needs. Ingenuity and perseverance are vital in realizing our vision.RoleAs part of our new AI team, you will play a key role in delivering unique value to our clients. This team is responsible for designing powerful and intuitive user experiences powered by generative AI. You will explore entirely new interaction methods for users—whether through natural language commands or by enabling AI agents to manage complex tasks on their behalf. Your contributions will shape impactful AI-driven features that assist customers in solving real-world challenges more efficiently.Your work will encompass a variety of intricate challenges, including scaling our platform to process terabytes of data from multiple sources, efficiently querying and alerting users about this data in real-time, and optimizing search algorithms for swift result delivery.While our technology stack is continuously evolving, it is built on a foundation that includes Python, Django, Celery, Airflow, and Kafka for the backend; React, Redux, and Mapbox for the frontend; PostgreSQL and Elasticsearch for data storage; machine learning models hosted in Bedrock and Sagemaker; and utilizing AWS, Pulumi, Terraform, and Kubernetes for our infrastructure.

Join our dynamic team at Idler as a Staff Software Engineer. In this role, you will drive innovation and lead the development of cutting-edge software solutions. Collaborate with cross-functional teams to create scalable applications that meet our customers' needs. Your expertise will play a vital role in shaping our product strategy and enhancing user experiences.

Join Whatnot as a Staff Software Engineer and be a key player in our mission to revolutionize online auctions. In this role, you will develop cutting-edge software solutions, collaborate with cross-functional teams, and drive innovation in our technology stack. Your contributions will directly impact the user experience for our community of collectors and enthusiasts.