You'll contribute to infrastructure scaling to infinitely many apps, improving performance and reliability across backend services.
You'll support observability efforts, help implement SLOs, and build foundational services for next-generation cloud infrastructure.
You'll participate in triage and on-call processes to diagnose issues and implement changes to prevent recurrence.
Bubble is an AI visual development platform that empowers anyone to create software without code, from first-time entrepreneurs to enterprise teams. With over 6 million users in more than 100 countries and a mission to break down barriers to entrepreneurship, the company fosters a collaborative and inclusive culture focused on empowering builders worldwide.
Build and maintain backend services for our LLM gateway, including routing, rate limiting, and observability.
Contribute to sandboxing and isolation infrastructure for safe agent-generated code execution.
Write high-performance backend code in Go, Rust, or async Python, supporting Kubernetes-based platform services.
AZX accelerates positive impact in critical industries through AI transformation. Founded in 2024 and profitable from the start, we work with category leaders in real estate, energy, logistics, and utilities.
Design and build scalable backend services and APIs for LaunchDarkly's Experimentation product.
Own backend components from discovery through monitoring and continuous improvement.
Collaborate with cross-functional teams to translate customer needs into reliable technical solutions.
LaunchDarkly is a feature management platform that helps developers release software faster and safer. The company fosters a collaborative, respectful, and inclusive culture with a focus on team empowerment.
Design and develop foundational components and frameworks for our Agentic AI platform.
Collaborate with cross-functional teams to create platform solutions that empower developers.
Provide production support and ensure platform stability, working closely with ML engineers.
Legion builds secure, reliable AI systems that integrate with complex platforms, optimizing workflows and enhancing human capability. They work with partners like Palantir, Nvidia, HPE, and Oracle, and are looking for bold thinkers to shape the future of grounded AI.
Design and implement high-performance components in Rust, C++, or Go for the DEX engine and protocol runtime.
Build low-latency pipelines for order execution, event propagation, and state updates, optimizing concurrency and memory layout.
Investigate and resolve performance bottlenecks using profiling and benchmarking, driving system design decisions for senior candidates.
Nexus is the engine for verifiable finance, building a blockchain designed to embed the global financial system into one compounding system. Headquartered in San Francisco with a growing presence in Buenos Aires, the cross-continental team is backed by leading investors and works with more than 100 partners.
Design and implement scalable, distributed Back-end solutions for a SaaS platform focused on accessibility automation and compliance.
Develop and maintain microservices and cloud-native applications using Golang, Kotlin, or JVM-based languages.
Collaborate with cross-functional teams on architecture evolution, infrastructure decisions, and AI-assisted development practices.
Our customer is a rapidly growing technology company specializing in digital accessibility solutions for enterprise web and mobile products. Sigma Software is an international engineering community focused on meaningful products and long-term collaboration with distributed teams across Ukraine, Poland, Romania, and Albania.
Design and ship moderate to complex backend features with minimal guidance, driving technical direction.
Advocate for product quality, security, and performance, defining backend standards for style, maintainability, and operational readiness.
Mentor associate and intermediate engineers, remove technical blockers, and use AI in production engineering to improve outcomes.
GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity and accelerate digital transformation. With over 50 million registered users and trusted by more than 50% of the Fortune 100, GitLab fosters a high-performance culture driven by values and continuous knowledge exchange.
Design, build, and operate the distributed systems that deliver feature-flag configuration to LaunchDarkly SDKs.
Own and improve the reliability, latency, and scalability of our streaming and polling infrastructure.
Debug and resolve complex production issues while sharing the team's on-call rotation.
LaunchDarkly builds a feature management platform that enables safe and gradual software releases. The company is growing and fosters a humble, open, collaborative culture.
Deliver on business-critical outcomes by owning backend and data services end-to-end, from design to production operation.
Design, build, and operate scalable data pipelines and streaming ingestion for high-volume security telemetry.
Contribute to data modeling and warehouse/lakehouse architecture decisions that serve detection, analytics, and product features.
Blackpoint Cyber is the leading provider of world-class cybersecurity threat hunting, detection and remediation technology. Founded by former National Security Agency (NSA) cyber operations experts, the company is in hyper-growth mode, fueled by a recent $190m series C round.
Design and implement a scalable observability platform for Whatnot's growing infrastructure.
Work with core infrastructure, platform, and developer tools teams to redesign data collection to visualization.
Utilize AI agents and open standards to ensure visibility into software stack performance and reliability.
Whatnot is the largest live shopping platform in North America and Europe, enabling sellers to build businesses across hundreds of categories. They are a remote co-located team anchored in hubs across the US, UK, Ireland, Poland, Germany, and Australia, and were recently named the #1 Best Startup Employer in America by Forbes.
Design, build, and maintain core AI capabilities that power intelligent experiences across the platform.
Develop reusable capabilities for model integration, reasoning, and evaluation.
Optimize AI systems through experimentation, quantitative evaluation, and iterative refinement.
Legion embeds intelligence inside complex systems, unlocking data and accelerating human workflows for government and enterprise. They collaborate with world-class partners like Palantir and Nvidia, building intelligent infrastructure with a team of bold thinkers.
Design and implement scalable backend services and APIs for cryptocurrency swapping.
Build routing and aggregation logic for swap execution across multiple liquidity sources.
Integrate on-chain and off-chain data sources (RPC nodes, indexers, third-party APIs).
Biti Pro is a company building core backend systems for cryptocurrency swapping and DeFi aggregation. They are a small team focused on high-performance, scalable services.
Build and expand our healthcare data platform and member management solution.
Write high quality code through various channels and in collaboration with the Product team.
Have a high degree of autonomy and influence on the culture and direction of the technical organization.
Ubiminds connects Latin American tech professionals with software companies in the US and Canada. With 9 years in the market and GPTW-certified, they support hundreds of professionals in data, design, product, and engineering.
Design, implement, and test distributed energy resource controls and telemetry software on customer hardware at sites around the world.
Develop high-performance, production-grade applications optimized for resource- and bandwidth-constrained environments.
Implement and enforce best security practices for critical infrastructure and cyber-physical systems, while mentoring junior engineers.
Verse is building an energy intelligence platform for the AI economy, helping large energy consumers achieve faster, cheaper, and cleaner power by combining real-time control of energy assets with complete visibility into their energy portfolio. The company is a high-growth startup backed by Bessemer, GV, Coatue, and NVIDIA, with a culture rooted in empathy, transparency, and thoughtful action.
Design and build core backend systems powering the fleet of connected vehicles and consumer apps.
Participate in cross-functional collaboration with PMs, engineers, data scientists, and operations teams.
Contribute to on-call rotation, troubleshooting production issues and improving service reliability.
Lime is the largest global shared micromobility company on a mission to build a future where transportation is shared, affordable, and carbon-free. A Time Magazine 100 Most Influential Company, Lime has powered over one billion rides across 30 countries, fostering a culture of innovation and collaboration among engineers, data scientists, and designers.
Contribute to the Platform Readiness team's agentic workflows on the Duo Agent Platform, designing and implementing automated evaluation of platform readiness.
Evolve the platform requirements knowledge base by contributing to schema design, validation tooling, and CI systems for cross-platform readiness.
Build integration surfaces that enable feature teams to engage with platform readiness tools directly in their existing workflows like issues, merge requests, and CI/CD pipelines.
GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity and accelerate digital transformation. With over 50 million registered users and trust from 50% of the Fortune 100, GitLab fosters a high-performance culture driven by values and continuous knowledge exchange.
Design, build, and operate production software systems.
Own significant technical projects from architecture through deployment.
Develop scalable services, APIs, infrastructure, and internal tooling.
The company builds sophisticated infrastructure and software systems. It is a rapidly scaling technology company that values ownership and technical excellence.
Own features end-to-end across the stack, from backend Go services to frontend TypeScript/React.
Design and evolve systems for scheduling, probe lifecycle, and telemetry ingestion at scale.
Build cross-product and AI-assisted workflows that integrate Synthetic Monitoring into the Grafana Cloud platform.
Grafana Labs is the company behind the open source observability cloud, helping organizations see and act on their data. With over 1,600 employees across 40+ countries, the company fosters an open, collaborative culture.
Set technical direction for backend development, designing scalable web application systems alongside AI coding agents, while mentoring and elevating team programming maturity.
Contribute to new product development of complex in-browser applications, balancing customer-facing features with technical debt cleanup for sustainability.
Architect and implement applications applying ML techniques to large data volumes, designing systems for good performance and reliability with structured human oversight.
Machinify is a leading healthcare intelligence company with expertise across the payment continuum, delivering value and efficiency to health plan clients. Deployed by over 85 health plans representing more than 270 million lives, the company fosters a culture of curiosity and engineering excellence.