Source Job

• Design, code, test, and debug software applications with attention to performance, scalability, and security.
• Collaborate with cross-functional teams to translate business requirements into technical specifications and architectural designs.
• Participate in code reviews, troubleshoot issues, and maintain comprehensive technical documentation.

EasyPost is a YC unicorn that makes shipping simple for businesses through a developer-friendly REST API. The company is rapidly growing, with a culture of builders and problem-solvers who value elegant architecture and fast decisions.

• Build and maintain core components of the clearing house in Go on GCP, including customer onboarding flows and data ingestion pipelines.
• Take ownership of ambiguous problems and drive features from design through production with appropriate testing and observability.
• Participate in on-call rotation, contribute to incident response, and become a go-to engineer for core subsystems.

Chainguard is the trusted source for secure open source software, delivering hardened builds for enterprise customers. The company is venture-backed by leading investors and serves Fortune 500 enterprises.

• Build and operate large-scale cloud infrastructure for product metrics and real-time analytics.
• Design, develop, and improve fault-tolerant distributed systems processing trillions of events.
• Collaborate cross-functionally, perform code reviews, and participate in on-call rotation.

Jobgether uses AI-powered matching to connect candidates with hiring companies. They process applications quickly and share shortlists directly with employers, operating as a job platform seeking to streamline recruitment.

• Design, code, test, and debug scalable software applications and APIs following best practices.
• Collaborate with cross-functional teams to translate business requirements into technical solutions.
• Participate in code reviews, guide AI tooling practices, and maintain technical documentation.

EasyPost provides a developer-friendly REST API for shipping, making shipping simple for businesses from startups to Fortune 500. Founded in 2012 as a YC unicorn, EasyPost is a hyper-growth company with a scrappy, fast-moving culture where builders and problem-solvers thrive.

• Design, build, operate, and maintain large-scale distributed systems for product metrics.
• Develop backend services using Golang within a cloud-native, Kubernetes-based environment.
• Ensure high performance, reliability, and cost efficiency of critical data processing systems.

The company builds a large-scale distributed data platform for real-time analytics and customer-facing insights. It is a remote-first organization with a strong engineering culture focused on ownership, learning, and technical excellence.

• Design and maintain high-performance backend services in Golang on GCP and AWS for fraud detection and compliance products.
• Build APIs for banking/payment systems and collaborate with cross-functional teams on product development.
• Own the full product lifecycle including testing with Cypress, Junit, or Mockito and maintain user-facing documentation.

Sardine provides fraud prevention and AML compliance solutions using device intelligence, behavior biometrics, machine learning, and AI. The company has raised $145M from top investors and serves over 300 banks, retailers, and fintechs globally, maintaining a remote-first culture with hubs in North America and Brazil.

• Design, implement, and operate core services that power Docker’s Cloud Sandboxes platform.
• Build scalable systems for microVM orchestration, workload scheduling, and lifecycle management.
• Ensure system reliability, observability, and performance across Docker’s Cloud Sandbox infrastructure.

Docker is a globally distributed, remote-first company that builds tools for developers to build, share, and run applications. Trusted by over 20 million monthly users and 20 billion container image pulls, it has a collaborative culture focused on innovation and reliability.

• Provide frontline technical expertise to help developers deploy and scale Temporal in cloud-native environments.
• Troubleshoot complex infrastructure issues, optimize performance, and develop automation solutions.
• Collaborate with engineering and product teams to influence platform improvements and enhance developer experience.

Temporal provides an open source programming model that simplifies code and makes applications more reliable. The company is a growing team driven by values of curiosity, collaboration, and humility, focused on improving developer experience.

• Collaborate with product managers, designers, and users to build and operate UDS Registry for managing packages in mission environments.
• Lead design, implementation, and deployment of features with direct impact on mission outcomes, including ownership of architecture decisions.
• Participate in on-call rotation, integrate with defense systems, and contribute to open source projects like CNCF and ASF.

Defense Unicorns delivers mission value by streamlining software delivery so customers can focus on the most important challenges. The team is composed of innovators, software engineers, and veterans with decades of experience delivering technology programs across the federal market.

• Perform operational deployments, implementations, and maintenance for production systems.
• Implement and maintain monitoring, reporting, and alerting systems for Core Speech products.
• Be part of an on-call rotation and work collaboratively to improve system performance and architecture.

Solventum is a new healthcare company with a long legacy of solving big challenges to improve lives and enable healthcare professionals to perform at their best. They are a large company that values empathy, insight, and clinical intelligence, collaborating with top minds in healthcare.

• Design, build, and maintain highly available Kubernetes infrastructure at scale.
• Lead design for components and features, and contribute to architecture decisions for container orchestration.
• Mentor engineers on Kubernetes best practices and drive initiatives to improve system reliability.

Marqeta provides a card issuing platform for companies to issue cards, authorize transactions, and manage payment operations in real time. They are a publicly-traded company with a Flex First culture that values remote work and employee growth.

• Design and build resilient, scalable platform services like authentication and rate limiting.
• Collaborate with engineers across teams to deliver infrastructure solutions.
• Optimize systems for security, performance, and always-on availability.

Constructor is an AI-first ecommerce search and discovery platform that helps shoppers find products and enables brands to drive revenue. The company is fully remote and fosters a culture of growth, offering training budgets and regular team offsites.

• Design and deliver secure, scalable software solutions using Go within a cloud-native architecture.
• Build platform capabilities for API security, cryptographic controls, AI governance, and supply chain security.
• Collaborate with engineering, platform, and security teams to enhance production system security and resilience.

Jobgether is a platform that uses AI-powered matching to connect candidates with roles. They partner with companies to manage applications and next steps, fostering an inclusive and diverse working environment.

• Own the US-only production environment end-to-end, including infrastructure deployment, maintenance, scaling, and reliability.
• Lead and grow the US-based DevOps team, design scalable AWS infrastructure, and build CI/CD pipelines for safe, fast shipping.
• Partner with engineering on application error investigations, improve monitoring and alerting, and coordinate with the Tel Aviv team on shared platform standards.

Zafran de-risks 90% of critical vulnerabilities overnight across hybrid environments using existing security tools. Backed by Sequoia Capital and Cyberstarts, it is one of the fastest-growing companies in cybersecurity, scaling to meet demand from advanced organizations.

• Design and build core platform infrastructure for large-scale cloud-native data and analytics systems.
• Own and improve CI/CD pipelines, testing frameworks, and deployment in a high-scale PaaS environment.
• Contribute to reliability engineering, observability, and operational excellence across distributed systems.

Jobgether uses an AI-powered matching process to connect candidates with roles. The company is a growing platform focused on efficient job matching and data privacy compliance.

• Design and implement AI inference and training cloud products optimized for Kubernetes, including autoscaling and distributed jobs across GPU fleets.
• Write clean, efficient Go code for Kubernetes controllers, operators, and custom resources supporting AI workloads.
• Build APIs, CLIs, and developer tools to simplify deployment, lifecycle management, and monitoring of AI applications.

Gcore is a global provider of infrastructure and software solutions for AI, cloud, network, and security, powering digital experiences worldwide. With 550+ professionals and 210+ edge locations, the company collaborates with partners like Intel, NVIDIA, and Equinix to build the foundation for an AI-driven world.

• Architect and ship reliable, high-velocity features handling critical traffic with low latency.
• Drive rigorous code reviews and maintain high testing standards in Go codebase.
• Manage and enhance cloud configurations across AWS and Azure using Infrastructure as Code (Terraform).

Twilio is shaping the future of communications with innovative solutions for hundreds of thousands of businesses and millions of developers worldwide. The company fosters a remote-first culture with a strong commitment to global inclusion and diverse experiences, making every team member feel part of a vibrant community.

• Set technical direction for the Athena clearing house, making architectural calls on data validation pipelines and workflow orchestration.
• Scale the team and product area, driving transition from rapid prototyping to sustainable, production-grade product stack.
• Lead design of systems processing unstructured vulnerability reports, deduplicating findings, and surfacing clean signals to remediation teams.

Chainguard secures the open source software supply chain, delivering hardened, production-ready builds of open source software. They are venture-backed by leading investors and serve Fortune 500 enterprises and global industry leaders.

• Own end-to-end domain within the clearing house: customer onboarding, entitlements, or data validation.
• Drive architecture and implementation of backend systems in Go on GCP, ensuring production readiness.
• Establish engineering best practices and collaborate with principal engineer on technical planning.

Chainguard secures the open source software supply chain by providing hardened, secure builds of open source software. It is a venture-backed startup with a remote-first culture, trusted by Fortune 500 enterprises.

• Design and drive engineering-wide reliability programs to improve software quality and deployment confidence.
• Build and enhance automated testing frameworks, CI/CD pipeline gates, and quality controls.
• Develop scalable load testing solutions and production validation strategies for safe, high-confidence releases.

Jobgether uses an AI-powered matching process to ensure applications are reviewed quickly and fairly. They operate with a remote-first approach and collaborate with partner companies for hiring.