Source Job

• Lead design activities and participate in building the foundation for API management.
• Define solutions using Service Oriented Architecture (SOA) patterns.
• Develop and implement enterprise-class security systems for production environments.

Experian is a global data and technology company, powering opportunities for people and businesses around the world.

• Design, build, and evolve customer-facing backend services and public APIs.
• Own features end-to-end: from design through implementation, rollout, and iteration.
• Contribute to a product-driven roadmap with real deadlines and clear outcomes.

Chainguard provides guarded open source software, built from source and updated continuously, helping organizations eliminate threats in their software supply chains. Founded by industry experts in open source, security, and cloud native development, Chainguard fosters a customer-obsessed culture that values intentional action.

• Build the foundations that power our AI Agents at scale, designing systems for reliability, performance, and change.
• Use modern AI tools in your daily work to explore designs, scaffold code, generate tests, and document decisions.
• Expected to have solid engineering skills - clear contracts, readable code, strong test suites, observability, and maintainable architectures.

At Zowie, we’re revolutionizing how businesses interact with their customers by creating a future where AI Agents handle 100% of customer interactions.

• Build and maintain secure, high-traffic backend services supporting critical Veteran-facing features.
• Modernize legacy components, develop and refine REST APIs, and support identity and access workflows.
• Integrate with VA enterprise systems, troubleshoot backend issues, and collaborate with partners to deliver scalable functionality.

Wilcore believes that the best products are built when companies understand and value the things they are working on.

• Build and maintain backend services that power our consumer experience.
• Contribute to scaling efforts as our user base grows.
• Implement proper authentication, authorization, and encryption patterns.

Monstro is an AI-native fintech platform reimagining how people and institutions manage money.

• Writing well designed, reusable, testable and secure code by applying best software development practices
• Designing and implementing low-latency, high-availability and performant applications
• Architecting well defined APIs for user facing elements developed by front end developers

Dataroid is an award-winning digital analytics and customer engagement platform empowering leading brands to enhance customer experience. As Turkey's fastest-growing data analytics platform, they embrace challenges and explore new technologies with over 120 million users.

• Design, build, and maintain the backend services that power Hatch’s mobile apps and IoT-enabled devices.
• Lead backend system design, define best practices, and mentor other engineers.
• Guide cross-functional technical strategy to improve the overall platform.

At Hatch, we’re on a mission to help people build better sleep habits—so they can feel more focused, energized, and present in their lives.

• Design, develop, and maintain scalable backend services and APIs, ensuring high performance, security, and reliability.
• Build and optimize data pipelines to ingest, store, and serve large-scale datasets, including video and ML training data.
• Own and evolve the foundational data model that powers the entire Frontera platform.

Frontera is reimagining how children with autism and other behavioral health needs get the care they deserve. They bring together clinicians, technologists, and autism specialists to build cutting-edge AI tools that help care teams, expanding access to high-quality services for families everywhere.

• Own and drive the roadmap for multiple areas of focus.
• Drive technical architecture decisions and system designs.
• Develop and maintain backend services and APIs.

Mesh, founded in 2020, is the first global payment network for crypto,connecting hundreds of exchanges, wallets, and financial services platforms.

• Take end-to-end ownership of new features, working with others in the SDK and Server teams.
• Design and build Temporal SDKs used by customers to work with Temporal in their programming language of choice.
• Develop features that provide a foundation for the reliable execution of the current wave of agentic AI systems.

Temporal provides an open source programming model that simplifies code and enhances application reliability. They aim to be the reliable foundation of every developer’s toolbox and foster a curious, driven, collaborative, genuine, and humble culture.

Design, develop, and test high quality software systems using Python or Kotlin. Support product development lifecycle by collaborating with cross-functional teams. Independently identify the right solutions to solve ambiguous, open-ended problems.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.

• Measure and optimize the performance, scalability, and uptime of backend services
• Conduct design and code reviews and push the bar for engineering rigor and standards
• Collaborate with product management, customer success, and customer support to deliver the best experience for our users

Branch empowers workers with financial freedom by helping companies accelerate payments and providing working Americans with accessible, free financial services. They value a diversity of opinions and working styles, fostering a shared belief in innovation and initiative.

Design, build, operate, and maintain critical backend systems for alerting, ensuring reliability, scalability, and performance. Drive projects from ideation through to production and operations, actively contributing to roadmap planning. Collaborate with cross-functional teams to deliver features that meet user needs and business objectives.

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements.

• Design, develop, and maintain scalable backend services and APIs, ensuring high performance, security, and reliability.
• Build and optimize data pipelines to ingest, store, and serve large-scale datasets, including video and ML training data.
• Balance rapid development of MVPs and POCs for user research with building robust, long-term backend foundations.

Frontera is reimagining how children with autism and other behavioral health needs get the care they deserve. They bring together clinicians, technologists, and autism specialists to build AI tools that help care teams work smarter and spend more time with the children and families who need them most.

• Design and build API endpoints for client integrations.
• Improve database and query performance.
• Integrate with a wide range of third-party services.

Kalepa's state-of-the-art AI Copilot platform empowers underwriters to make smarter, faster, and more accurate decisions in the commercial insurance industry.

Write reliable, secure, and scalable code for Lithic's products with minimal tech debt. Own projects from planning to launch, keeping stakeholders informed and aligned along the way. Engage in design discussions and collaborate across teams to build well-reasoned solutions.

Lithic creates card issuing and payment infrastructure for technology companies that just works.

• Design, build, and maintain backend services and APIs that power core features of the Clari platform.
• Collaborate with cross-functional teams to design scalable and maintainable solutions.
• Contribute to improving performance, observability, and overall system reliability.

Clari is deeply committed to building an enterprise-grade platform that serves as the backbone for our customer's most critical business process - Revenue.

• Design scalable systems using modern cloud technology.
• Build and run experiments to power the growth of Coinbase’s retail products.
• Articulate a long term vision for maintaining and scaling our backend systems and the teams running them.

Coinbase's mission is to increase economic freedom in the world by building the emerging onchain platform.

• Design, code, test, and debug data-driven applications in accordance with established coding standards and best practices.
• Develop supporting data tooling, including data pipelines, APIs and related tools to support those applications, ensuring performant, scalable and secure solutions.
• Integrate with various data sources and technologies to ensure the right data is available for the solutions in a timely manner.

EasyPost, founded in 2012, is a YC unicorn with the mission to simplify shipping for businesses, from startups to Fortune 500 companies. They provide a developer-friendly REST API for shipping. The team is rapidly growing and fosters a culture of builders and problem-solvers who value elegant architecture and fast decisions.

• Lead technical efforts across multiple teams, owning system reliability.
• Mentor engineers and drive improvements that scale beyond a single team.
• Design, develop, and maintain scalable and secure APIs and integration services.

Since 2012, Bugcrowd has been uniting the ingenuity of customers and trusted hackers with their data and AI-powered Security Knowledge Platform™.