Backend Software Engineer at happyrobot.ai | San Francisco

About CheckrCheckr is revolutionizing the data landscape to enable safe and equitable decision-making. Founded in 2014, our cutting-edge technology and comprehensive data platform empower over 100,000 clients, including esteemed names like DoorDash, Coinbase, Lyft, Instacart, and Airtable, to effectively assess risk while ensuring safety and compliance, thus fostering trustworthy workplaces and communities.Our team thrives on tackling intricate challenges with innovative solutions that further our mission. We are proud to be featured on the Forbes Cloud 100 2025 List and recognized as a Y Combinator 2024 Breakthrough Company.As a Backend Software Engineer at Checkr, you will engage in impactful engineering projects that help create a fairer future for everyone. Our architecture comprises a suite of small services utilizing Ruby and JavaScript, alongside SQL and NoSQL databases, complemented by message queues for asynchronous processing. At Checkr, our engineers are at the forefront; we strive to cultivate an exceptional environment for developers to innovate, learn, and take pride in their work.

About CheckrCheckr is revolutionizing the data platform landscape to ensure safe and equitable decision-making. Founded in 2014, Checkr's cutting-edge technology and extensive data platform empower clients to evaluate risk and maintain safety and compliance, fostering trusted workplaces and communities. With over 100,000 satisfied customers, including industry leaders like DoorDash, Coinbase, Lyft, Instacart, and Airtable, we are committed to innovation and excellence.Our team thrives on tackling complex challenges with creative solutions that further our mission. Recognized on the Forbes Cloud 100 2025 List and named a Y Combinator 2024 Breakthrough Company, Checkr is a place for engineers to flourish.As a Software Engineer II at Checkr, you will engage in high-impact engineering projects aimed at creating a fairer future. You will collaborate within a suite of microservices built on Ruby and JavaScript, utilizing both SQL and NoSQL databases, along with message queues for asynchronous processing. Checkr is founded by engineers for engineers, and we strive to cultivate the best environment for developers to innovate, learn, and enjoy their work.

Join Checkr as a Senior Software Engineer and play a crucial role in shaping our technology stack to improve background check services. As part of our dynamic engineering team, you will develop scalable solutions, implement best practices, and collaborate with cross-functional teams to enhance our platform.

Checkr is looking for an Engineering Manager to join the team in San Francisco. This position leads engineers who develop and refine technology that powers background check products used by Checkr’s clients. Role overview The Engineering Manager oversees a group responsible for both new feature development and ongoing improvements. The team’s work has a direct impact on product quality and customer experience. What you will do Guide engineers through project delivery, helping them navigate technical challenges Encourage collaboration and uphold high standards across the team Mentor team members and support their professional development Ensure that projects are completed on time and meet quality expectations Location This role is based in San Francisco, California.

Role overview Truework, a part of Checkr, Inc., seeks a Senior Software Engineer to join the team in San Francisco, California. The position centers on building scalable software aimed at making the verification process smoother and more effective for individuals and businesses. What you will do Design and develop software solutions that power the Truework verification platform Collaborate with teammates who focus on enhancing the user experience Share ideas and technical knowledge to drive product improvements Location This is an onsite role based in San Francisco, California.

About CheckrCheckr is revolutionizing the data landscape to facilitate safe and equitable decision-making. Since our inception in 2014, we have developed cutting-edge technology and a robust data platform that empowers clients to evaluate risk, ensure compliance, and cultivate trustworthy workplaces and communities. With a clientele exceeding 100,000, including industry leaders such as DoorDash, Coinbase, Lyft, Instacart, and Airtable, we are committed to innovative solutions that enhance our mission. We are proud to be recognized on the Forbes Cloud 100 2025 List and to be named a Y Combinator 2024 Breakthrough Company.We are in search of an energetic Enterprise Customer Success Manager to become part of the Truework team. Our CSMs make a significant impact by delivering a premium customer experience, managing key accounts to drive high retention rates, customer satisfaction, full product adoption, and identify new growth opportunities. The primary objective of our Truework CSMs is to ensure that we meet and exceed our customers' expectations, facilitating their achievement of organizational goals through our solutions. This role is ideal for an experienced Customer Success Manager with a meticulous attention to detail and a proven track record in nurturing high-value, enduring relationships with Enterprise clients. The ideal candidate is articulate, credible, and driven by metrics.

Checkr builds data platforms that help organizations make safe, fair decisions. Over 100,000 clients, including Amazon, DoorDash, Kia, Kimpton, McDonald's, and Netflix, rely on Checkr’s technology and data services. The company’s focus on safety, compliance, and risk evaluation supports trusted workplaces and communities. Checkr has been recognized on the Forbes Cloud 100 2025 List and as a Y Combinator Breakthrough Company in 2024. The team values creative problem-solving and a mission-driven approach. Role overview This Senior Staff Product Manager position is based in San Francisco within Checkr’s Truework division. Reporting to the Head of Truework, the role acts as product owner for Truework’s largest and most strategic customers, primarily mortgage lenders and financial institutions. The work directly affects millions of borrowers across the United States. Collaboration is central: the Senior Staff Product Manager partners with a Senior Product Lead and works closely with Sales, Customer Success, Partnerships, Legal, and Engineering. Together, they deliver reliable and scalable verification experiences that meet the high standards of enterprise financial services clients. Key responsibilities Lead the product roadmap for Truework’s enterprise segment, translating complex requirements from large lenders and financial institutions into scalable solutions. Develop and maintain strong relationships with enterprise customers, representing the product in strategic discussions with Sales and Customer Success teams. Partner with Engineering and Design to define, prioritize, and deliver features that address enterprise needs. Set and monitor KPIs related to enterprise adoption, retention, and verification performance, using data to inform priorities. Advocate for the enterprise customer perspective, influencing platform investments and partnership strategies to ensure the verification infrastructure meets standards for scalability and trust.

Join Checkr as a Senior Analyst in our Deal Desk & Pricing team, where you will play a vital role in optimizing pricing strategies and deals for our innovative background check solutions. Your analytical skills will be crucial in evaluating pricing models, conducting market research, and collaborating with cross-functional teams to ensure competitive pricing that aligns with our business objectives.

Truework, part of Checkr, Inc., is seeking a Senior Python Engineer to join the team in San Francisco. This position centers on enhancing the verification process for both users and partners by developing secure and dependable Python applications. Role overview The Senior Python Engineer will play a key role in shaping Truework’s verification platform. The focus is on building and maintaining Python-based systems that are both secure and user-friendly, supporting the company's broader mission. What you will do Design, develop, and maintain systems written in Python Work closely with other engineers and team members to launch new features Help ensure the platform remains secure and easy to use Location This role is based in San Francisco, California.

Join Checkr as a Senior Data Engineer and play a pivotal role in shaping our data infrastructure and analytics capabilities. In this position, you will collaborate with cross-functional teams to design, develop, and maintain scalable data processing systems that empower our business decisions. If you are passionate about harnessing the power of data and thrive in a dynamic environment, this is the opportunity for you!

Checkr is seeking an Enterprise Product Lead for Truework, based in San Francisco, CA. This position centers on steering the direction and expansion of enterprise product lines, balancing strategic planning with hands-on work alongside colleagues. The role aims to shape offerings that keep pace with changing client needs. Key Responsibilities Collaborate with teams throughout the organization to define product vision and establish the roadmap. Develop and adjust strategies to drive growth for enterprise products. Gather and analyze data, including customer feedback, to identify and prioritize improvements. Align product plans with current market requirements and trends. Location This role is based in San Francisco, California, United States.

Join Checkr as a Software Engineer focusing on Reliability, where your contributions will enhance our platform's robustness and performance. You will be part of a dynamic team dedicated to building and scaling systems that support our growth and ensure outstanding service delivery to our clients.

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!

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).

Role Overview Checkr is looking for a Staff Software Engineer, Integrations to strengthen our integration services. This role focuses on building and improving solutions that connect our platform with external systems, aiming to boost both connectivity and efficiency. As part of the engineering team, this person will help shape how our platform interacts with partners and customers. What You Will Do Design and develop integration features that expand the platform’s reach Collaborate with engineers to deliver reliable, maintainable solutions Troubleshoot and resolve technical issues related to integrations Identify areas for improvement and propose practical changes Who We’re Looking For Proactive problem-solver with strong attention to detail Experience building or maintaining integration services Comfortable working in a collaborative engineering environment Location San Francisco, California, United States

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

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.

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.

Join Checkr as a Senior Software Engineer specializing in Criminal Screenings, where you will play a pivotal role in shaping our platform that ensures safety and compliance for millions. You will collaborate with cross-functional teams to design, develop, and enhance our screening technology, ensuring it remains robust, secure, and user-friendly.