Work on core infrastructure powering Arbitrum, tackling distributed systems challenges and optimizing performance.
Collaborate with research, product, and blockchain engineering teams at the cutting edge of blockchain technology.
Establish backend architectural standards and drive technical roadmap for complex distributed systems.
Offchain Labs is a pioneer in blockchain scalability and security, building the Arbitrum stack that powers the leading Ethereum scaling solution. Backed by $124 million in funding, our team of thinkers and doers embraces new challenges and pushes boundaries.
Develop backend services in Go for blockchain infrastructure, including NFT marketplaces, smart wallets, and gaming systems.
Integrate with ZK Stack, Ethereum, and account abstraction protocols to build scalable Web3 services.
Design resilient microservices, APIs, and event scanners while ensuring high availability and performance.
Xsolla is a global commerce company that provides tools and services to help video game developers fund, distribute, market, and monetize their games. The company has helped over 1,500 game developers and fosters a supportive culture focused on employee well-being and professional growth.
Design, develop, and maintain large-scale distributed database and storage systems.
Build performance-critical infrastructure using Go, Rust, C++, or similar systems programming languages.
Operate production systems and troubleshoot complex reliability, performance, and availability issues.
This company builds and operates large-scale distributed database and storage infrastructure with a focus on low latency and high availability. They offer a fully remote, multinational work environment and comprehensive healthcare coverage.
Build and improve customer-facing registries, APIs, and artifact-serving systems that make open source software easy to consume securely and reliably.
Develop and operate backend services in Go, focusing on scalability, reliability, observability, and performance.
Collaborate with engineers and product partners on design, code review, and solving production issues.
Chainguard is the trusted source for open source, delivering hardened, secure, and production-ready builds of the software engineers and AI agents rely on. It is a venture-backed company serving Fortune 500 enterprises with a remote-first culture and a focus on customer obsession and intentional action.
Design, implement, test, and operate production services and APIs.
Lead projects or meaningful components of projects from problem definition through deployment and iteration.
Improve the observability and operability of the systems you own, including metrics, logs, traces, alerting, and incident learnings.
LaunchDarkly provides a platform that helps engineering teams release software and AI with speed, safety, and control using feature flags and observability. The company is growing and emphasizes teamwork, humility, openness, curiosity, and inclusive collaboration.
Design and implement core backend services for high-performance, distributed payment systems.
Take ownership of architectural decisions, balancing scalability, reliability, and maintainability.
Collaborate with cross-functional teams to improve developer experience through testing, code reviews, and documentation.
The company builds payment infrastructure that lets businesses manage payments efficiently across international markets. It is a globally distributed, product-driven engineering team that values collaboration, engineering excellence, and long-term growth.
Own features through the full lifecycle: from architecture, implementation, and docs to deployment and monitoring.
Build rigorous conformance and adversarial tests to ensure implementation compatibility.
Execute safe protocol upgrades and resolve complex availability/performance issues.
OP Labs builds Optimism, a blockchain network that powers next-generation financial infrastructure, used by hundreds of companies including Sony, Coinbase, and Uniswap. It is a small team backed by $178M from a16z and Paradigm, with a fast-paced, mission-driven culture centered in NYC.
Leads a team of up to 8 backend engineers building Web3 infrastructure and blockchain services.
Balances 60% hands-on technical architecture with 40% people management and mentoring.
Drives delivery of Xsolla Bazaar, Web3 Backpack, blockchain services, and Web3 APIs using Go and ZK Stack.
Xsolla is a global commerce company providing tools and services to help video game developers fund, distribute, market, and monetize their games. Headquartered in Los Angeles, it has helped over 1,500 developers and fosters a remote-first, collaborative culture focused on creativity and play.
Architect and develop reliable, scalable backend services for a business-critical energy trading platform.
Leverage AI-assisted coding tools and TDD to accelerate delivery while maintaining high engineering standards.
Mentor engineers and collaborate with product and frontend teams to shape architectural decisions.
The company develops a business-critical energy trading platform with demanding reliability and scalability requirements. They embrace an AI-first engineering culture and offer fully remote work with opportunities for mentorship and technical ownership.
Build and operate backend infrastructure for high-volume email delivery.
Develop SMTP delivery, routing, retries, throttling, and controls.
Partner with Trust & Safety to protect the sending network.
Jobgether is an AI-powered recruitment platform that matches candidates to roles using objective core requirements analysis. It operates with a collaborative, low-ego culture and fully remote operations.
Contribute as a freelance specialist to blockchain infrastructure and protocol projects aligned with your expertise.
Design, develop, test, and maintain production-grade blockchain systems and distributed networks.
Solve complex challenges in security, privacy, scalability, cryptography, and consensus protocols.
Jobgether is a talent network connecting experienced blockchain engineers with high-impact infrastructure projects across the decentralized web. It fosters a remote-first, self-directed culture with support from engineering leads and a vetted community of specialists.
Build and improve customer-facing package registries, APIs, and artifact-serving systems for secure software consumption.
Develop and operate backend services in Go, owning projects from technical design through deployment and iteration.
Collaborate across engineering and product teams to enhance scalability, reliability, and observability of production systems.
This partner company builds secure, reliable systems for serving software artifacts at scale, including customer-facing registries and APIs. It is a collaborative, remote-first environment focused on engineering ownership and continuous learning.
Architect and build robust, scalable, and highly available distributed infrastructure.
Build a cutting-edge cloud-native platform on public cloud and automate resource management.
Improve reliability, security, and cost efficiency of cloud services.
ClickHouse builds a real-time analytics database platform and manages ClickHouse Cloud data plane end-to-end with compute, networking, and security. As a rapidly scaling global startup, the company operates across 25+ countries and fosters a flexible, remote-friendly culture with equity and healthcare benefits.
Design, develop, and maintain scalable and secure backend services and APIs.
Collaborate with cross-functional teams including Product, Design, QA, and DevOps to deliver features end to end.
Mentor Middle and Junior engineers and drive engineering best practices.
Xsolla is a global commerce company helping video game developers fund, distribute, market, and monetize their games. It has helped over 1,500 developers worldwide grow their businesses and fosters a culture of creativity and collaboration.
Take deep ownership of key systems and product areas, becoming the technical expert and primary point of reference.
Architect, build, and maintain highly available and scalable REST APIs and backend services.
Use agentic development workflows and AI coding tools as standard engineering practice.
This partner company builds an AI-driven e-commerce messaging platform powered by customer context and data. It is a high-growth, remote-first environment with a collaborative and supportive culture.
Design and develop new features for the iPaaS and APIM platform using a modern stack including C++, Java, and Lua.
Take ownership of projects from design through deployment, ensuring scalability, reliability, and performance in a 24x7x365 environment.
Work with distributed teams and mentor others while driving data-driven decisions in a remote culture.
Jitterbit automates and orchestrates business systems with a unified AI-infused low-code platform for integration, orchestration, automation, and app development. The company is a growing leader in the iPaaS space with a remote-first, collaborative culture that values curiosity, ownership, and continuous learning.
Own architecture, design, and production delivery of financing products and features.
Build and maintain backend services and APIs for loan lifecycle, risk, and real-time position tracking.
Partner with Product, Risk, Operations, and engineering teams to deliver scalable solutions.
US Security & IT builds financing systems for institutional lending, managing billions across products such as leverage and yield. They are a remote-first employer with a high-impact engineering culture centered on reliability and impact.
Design, build, and maintain robust backend services and APIs at scale.
Collaborate with stakeholders to architect and deliver new services from inception to completion.
Work with engineering and product teams to shape roadmaps and uphold high engineering standards.
Sardine is the leading agentic risk platform for fighting financial crime, providing real-time fraud prevention and AML automation. The company is remote-first and values performance over hours, with a culture of self-motivated, high-growth individuals.
Own architecture health of large-scale distributed systems, including failure modes, capacity constraints, and consistency guarantees.
Identify and remediate systemic risks such as single points of failure, unbounded queues, and data-loss scenarios.
Work hands-on with Node.js/Go and GCP technologies to prototype solutions and resolve complex failures.
This company operates large-scale distributed systems processing billions of events and messages. Its engineering culture values technical rigor, proactive problem solving, and clear cross-team communication.
Enhance and scale a high-performance data onboarding platform to handle real-time data at petabyte scale.
Own and evolve infrastructure across multiple cloud providers, including AWS, GCP, and Azure.
Drive architectural decisions, improve deployment pipelines, and participate in on-call rotations.
ClickHouse is the company behind the open-source ClickHouse database, providing a high-performance database platform. It is a globally distributed start-up operating in over 25 countries, with a culture that values autonomy, innovation, and impact.