Source Job

• Design and maintain core backend infrastructure using Golang for high-performance API systems.
• Improve performance, security, and stability of API routing and execution systems.
• Collaborate remotely with product and engineering teams while owning impactful technical decisions.

Our partner builds advanced open-source infrastructure for modern API development. They are a remote-first engineering team focused on autonomy, craftsmanship, and collaboration.

• Work with your team to deliver new functionality, then use results to iterate and improve.
• Take an active role in influencing our roadmap and your career objectives.
• Mentor and support other team members, participate in design discussions, and collaborate with the team.

Grafana Labs is the company behind the open observability cloud, Grafana Cloud, built on open-source principles. With over 1,600 team members across 40+ countries, we foster a global collaborative culture backed by leading investors.

• Design, develop, and support enterprise solutions using GoLang, Kubernetes, and cloud infrastructure.
• Lead architecture discussions, drive proof of concepts, and document projects for seamless integration.
• Collaborate with engineering, product, and sales teams while supporting multiple services through launch.

CIQ builds enterprise infrastructure for demanding workloads including AI, HPC, and cloud-native orchestration. They are a company of builders and open source practitioners, serving major enterprises and government agencies.

• Build and maintain high-throughput, fault-tolerant microservices in Go that power the backend.
• Design technical solutions and optimize PostgreSQL queries to meet customer needs.
• Champion code quality through code reviews, testing, and refactoring while collaborating with product and design teams.

mx51 is a payments-as-a-service solution for banks, non-bank acquirers, and merchant service providers. The company fosters an innovative culture with a fun and flexible work environment and is committed to diversity and inclusion.

• Build, scale, and maintain backend services that power core analytics systems processing hundreds of thousands of events per second.
• Work on high-throughput, low-latency systems and contribute to event ingestion pipelines, API development, and data enrichment.
• Write clean, modular, and testable code using Go and Node.js, focusing on building systems that scale.

Insider One is the #1 platform for marketing and customer engagement teams, integrating data, personalization, and journey orchestration across multiple channels. It is a woman-founded, women-led B2B SaaS unicorn with 1,500+ team members across 30 offices, backed by top investors and trusted by Fortune 500 companies.

• Take an active role in influencing the roadmap and career objectives while working with the team to deliver new features.
• Drive projects from initial ideation to operations, designing and maintaining critical systems with a focus on reliability and performance.
• Embrace open-source culture, mentor team members, and participate in design discussions in a remote-first setting.

Grafana Labs is the company behind the open observability cloud, providing a fully managed observability platform built on open source principles. With over 35 million users and 7,000+ customers including Anthropic and Bloomberg, the company has 1,600+ team members across 40+ countries and fosters a global collaborative culture.

• Build and maintain high-performance APIs and microservices in Go for payment processing, fraud detection, and authentication.
• Take end-to-end ownership of features and integrations from design to production rollout and monitoring.
• Work cross-functionally with Product, Compliance, and Business teams to deliver elegant technical solutions.

Yuno is a payment orchestrator that connects businesses to 300+ payment methods worldwide through a single integration. Founded by the team behind Rappi, Yuno is growing fast as a remote-first company with a culture of ownership and collaboration.

• Drive technical strategy and roadmap for adaptive telemetry systems.
• Lead end-to-end delivery of large, cross-functional projects.
• Mentor and grow engineering talent across the organization.

Grafana Labs is the company behind the open observability cloud, founded on open source and open culture. Today, it has over 35 million users and 7,000+ customers, with 1,600+ team members across 40+ countries.

• Design and develop software in an event-driven microservices environment.
• Build microservices in Golang and work with platform engineers.
• Respond to production issues and communicate with client technical teams.

zerohash is a leading crypto infrastructure platform that powers digital money for banks and fintechs. Founded in 2017, it has raised over $280M and prioritizes independence, collaboration, and transparency.

• Design and evolve backend platforms that collect, process, and deliver high-quality product usage data across complex environments.
• Drive architecture decisions, improve system reliability, and help shape engineering best practices.
• Mentor fellow engineers while contributing to scalable, privacy-conscious solutions.

This is a position listed on behalf of a partner company, which manages all applications and next steps. The hiring company is focused on building next-generation analytics instrumentation infrastructure that enables data-driven product decisions at scale.

• Define and own the technical architecture for the Identity squad’s authentication systems, including edge authentication redesign.
• Lead the design and implementation of large-scale, multi-quarter initiatives spanning multiple services and teams.
• Mentor and develop senior engineers, providing technical guidance and support for their professional growth.

Grafana Labs is the company behind the open observability cloud, providing a fully managed platform for monitoring and analyzing data. With over 1,600 team members across 40+ countries, we are a 100% remote company fostering a collaborative, open-source culture.

• Design and implement APIs and services to support data-heavy systems.
• Solve complex technical challenges creatively and effectively.
• Guide team members to develop their technical skills and optimize performance metrics.

Insider One is the #1 platform that unifies marketing and customer engagement tools with AI and a CDP. With 1,500+ team members across 30+ offices and 50+ nationalities, it fosters a diverse, collaborative culture backed by top investors like Sequoia Capital.

• 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.

• Design, develop, test, and maintain robust, well-documented software systems using Golang with high performance and reliability.
• Debug, troubleshoot, and resolve production and user-facing issues across distributed systems and services.
• Participate actively in code reviews, architectural discussions, and technical design processes with global engineering teams.

Our partner is a globally distributed, fully remote engineering organization that builds and scales high-performance systems powering enterprise, cloud, AI, and IoT ecosystems worldwide. The company fosters a culture of technical excellence, autonomy, and continuous learning with cross-functional teams across multiple time zones.

• 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 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, build, and maintain MCP servers and tools in Rust to shape how AI agents interact with federated graphs.
• Ship customer-driven improvements weekly and engage directly with users to influence the roadmap.
• Own projects end-to-end while contributing to codebase health, bug fixes, and operational reliability.

Apollo builds tools for GraphQL platforms used by companies like Netflix. The team is collaborative and focused on growth, aiming to change how software is built.