Build the world's fastest APIs delivering globally resilient access to blockchain nodes.
Implement customer management, control, and billing systems.
Scale systems for data ingestion, storage, and query capabilities.
Validation Cloud is an AI platform powering Web3 finance, delivering products across Data x AI, Staking, and Node API, trusted by billions in staked assets. Backed by over $20M in venture funding, it has a world-class team spanning San Francisco, New York, London, and beyond.
Build and operate Go backend services for key management and signing at scale.
Design and implement cryptographic recovery and trust models for non-custodial wallets.
Work with external auditors, Kubernetes, and distributed systems in a security-critical environment.
Offchain Labs builds the Arbitrum stack, the leading Ethereum scaling solution. They are a well-funded company with $124 million in backing, a small but high-ownership team, and a culture of security-first engineering and collaborative review.
Design, build, and maintain scalable cloud-native backend services using Golang within a modern microservices architecture.
Develop and operate distributed systems deployed on Kubernetes across major cloud platforms such as AWS, Google Cloud Platform, or Microsoft Azure.
Lead the architecture, design, and implementation of new product features and backend services from concept through production.
A fast-paced, remote-first engineering company building scalable cloud-native platforms for enterprise applications. The team is collaborative, transparent, and mission-driven, with a focus on impactful technology.
Design, build, and enhance the infrastructure powering a large-scale real-time data ingestion platform.
Scale backend services to support increasing data volumes while maintaining high availability and performance.
Automate infrastructure provisioning and deployment pipelines using Infrastructure as Code.
Our partner builds a high-performance real-time data platform operating at petabyte scale. They are a remote-first organization with a collaborative engineering culture.
Shape the future of Reddit by adapting platforms to evolving privacy, security, and regulatory landscapes.
Partner with product, design, and engineering teams to build trusted, compliant experiences for millions of users.
Own product areas end-to-end from technical design to launch, influencing technical and product strategy.
Reddit is a community of communities built on shared interests and authentic conversations. With over 100,000 active communities and approximately 130 million daily active users, Reddit is one of the largest sources of information on the internet.
Design, build, and operate reconciliation systems for Grafana Cloud stacks at scale.
Collaborate across teams to improve reliability, deployment complexity, and incident response.
Contribute to roadmap planning, technical design, and long-term simplification of stack operations.
Grafana Labs is the company behind the open source observability platform Grafana, providing a fully managed observability cloud. With over 1,600 team members across 40+ countries, the company fosters a global, collaborative culture rooted in open source principles.
Design and build the systems that define plans, pricing, entitlements, and limits.
Decompose billing from the monolith into correct, testable, and independently deployable services.
Own correctness end to end including usage metering, reconciliation, and customer-facing data.
LaunchDarkly provides a platform that helps developers safely deliver and control software features. The company is building a team that is humble, open, collaborative, respectful, and kind.
Build the orchestration core — a unified layer on top of multiple AI providers with failover, retries, rate limiting, and the ability to onboard a new model in days rather than weeks.
Own the API contracts consumed by the Flutter client — stability, versioning, and clear error handling.
Keep the system reliable under paid-traffic spikes: metrics, tracing, and per-provider alerting.
Gismart is a value-driven mobile app developer with a strong presence in the Health & Wellness, Utilities, and Music app markets. With over 1 billion downloads and a team of over 400 individuals, Gismart fosters a culture of diversity, creativity, and innovation.
Design and build robust, scalable backend systems and APIs across Twilio Segment's data platform.
Collaborate cross-functionally with design, product, and other engineers to define solutions that balance usability, performance, and long-term architecture.
Troubleshoot and improve system reliability, debugging issues and refining operational tooling and processes.
Twilio provides real-time communications and data solutions that help companies and developers worldwide build better customer experiences. With thousands of employees globally, they foster a remote-first culture focused on diversity, equity, and inclusion.
Build the distributed, event-driven services that turn Cloud Custodian into a platform, including the GraphQL API and policy execution pipelines.
Design and operate systems that ensure correctness and observability while running customer governance workloads at scale across multiple clouds and regions.
Lead backend initiatives and mentor other engineers in a technical domain involving event-driven systems and relational databases.
Stacklet helps organizations with large cloud estates optimize cost, improve security, and ensure compliance by automating governance via code. Founded by the creators of CNCF's Cloud Custodian, the company supports some of the world's biggest cloud service consumers.
Own features end-to-end, from design through implementation and iteration.
Design and build backend systems in Go with REST/gRPC APIs for entitlements and policies.
Provide technical leadership and mentorship to senior and mid-level engineers.
Chainguard provides hardened, secure, and production-ready builds of open source software. It is venture-backed by leading investors and serves Fortune 500 enterprises like Anduril, Canva, and OpenAI.
Define technical strategy for your team on a year-long scale, tying it to critical business projects.
Collaborate across teams in product development, ensuring technical sustainability and managing trade-offs.
Foster a culture of quality and ownership through code review standards, design advocacy, and mentorship.
Affirm is a financial technology company that offers buy now, pay later services without hidden fees. They are a remote-first company with a global engineering team, focused on honest and friendly credit.
Design, build, and maintain secure, scalable backend services, databases, and APIs that support our products.
Lead technical direction, design discussions, and coordinate delivery across multiple systems.
Collaborate with Product, Operations, and other engineering teams to deliver reliable software.
Tucows Domains is the world's largest wholesale domain registrar, responsible for maintaining the health, neutrality, and openness of the domain name system (DNS). As part of Tucows, one of the world's largest Internet companies, they have over 1,000 employees from over 20 countries and embrace a people-first, remote-first culture.
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.
Co-own the MaaS system design as the deepest backend voice, driving architectural decisions and setting engineering standards.
Build a globally distributed, multi-tenant token service with high throughput, reliability, and observability.
Own end-to-end implementation, from code to migrations, ensuring zero-downtime upgrades and strict SLOs.
Bitdeer is a world-leading technology company for AI and Bitcoin mining infrastructure, providing comprehensive Bitcoin mining solutions and AI computational infrastructure. Headquartered in Singapore, it has deployed data centers across the United States, Norway, Bhutan, and Ethiopia, and is committed to equal employment opportunities.
Design, build, and maintain backend systems with a focus on scalability and performance.
Develop high-performance APIs, microservices, and cloud-based architectures.
Collaborate with founders to define technical strategy and align it with business goals.
SignalFire is a venture capital firm that partners with top early-stage startups shaping the future of technology. With a portfolio of over 200 innovative companies across AI, cybersecurity, healthtech, fintech, developer tools, and enterprise SaaS, they connect exceptional engineers with exclusive early-stage opportunities.
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.
Take full ownership of backend features from scoping through to production, keeping the team informed on progress, risks, and blockers.
Design and deliver backend services that handle real payment volume with a focus on reliability, performance, and correctness at scale.
Contribute to architecture discussions, advocate for clear service contracts, and write production-ready code with the next engineer in mind.
Primer is a unified infrastructure for global payments that provides finance and payments teams with visibility and control to reduce complexity and capture more revenue. Backed by Sofina, Peak XV Partners, and others, it is a remote-first company with a collaborative and mission-driven culture.
Design and develop scalable backend services using Go for enterprise-grade applications.
Architect distributed systems and microservices with high availability and fault tolerance.
Build secure APIs, optimize databases, and implement CI/CD pipelines with Kubernetes.
Jobgether operates an AI-powered matching platform that connects candidates with hiring companies. They are a fully remote company with a collaborative and supportive culture, emphasizing technical growth and innovation.
Develop high-performance backend services in Go for Web3 and card payment systems.
Build and maintain smart contract integrations and blockchain transaction flows.
Design scalable APIs and microservices for secure financial data handling.
The company builds high-performance backend services for fintech and Web3 payment products. It operates as a fully remote international team with a focus on security and scalability.