Develop backend services in Go for blockchain interactions, implementing ERC-4337 account abstraction, smart contracts, and microservices.
Build frontend applications with React/Next.js, integrating embedded wallet SDKs, Web3 libraries, and real-time blockchain events.
Design and implement full-stack Web3 features from smart contract events to UI, including ZK Stack specifics, admin panels, and transaction tracking.
Xsolla is a global commerce company that provides tools and services to help video game developers fund, distribute, market, and monetize their games. With over 1,500 game developers served and a remote-first culture, Xsolla prioritizes employee well-being, creativity, and collaboration.
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.
Own the technical strategy and architecture of Xsolla's smart wallet platform, covering account model, signing, session management, and gas abstraction at scale.
Design and evolve ERC-4337, EIP-7702, session keys, and permission primitives so millions of players get a secure, non-custodial on-chain account.
Drive cross-team decisions, set engineering standards, and serve as the escalation point for complex production wallet issues.
Xsolla is a global commerce company that builds 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 game developers reach more players and operates across multiple time zones with a culture that values directness and technical depth.
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.
Build and ship end-to-end product capabilities across frontend and backend systems.
Develop user experiences using TypeScript and React, along with services and APIs using Go, Python, or comparable tools.
Collaborate with Product, Design, Data, and engineering partners to balance usability, performance, reliability, and time to value.
LaunchDarkly provides a feature management platform that helps engineering teams ship software and AI with speed, safety, and control. They are a growing company that values humble, open, collaborative, and kind teams.
Develop and maintain high-quality frontend applications and features with clean, testable code.
Build semantic, adaptive, cross-browser layouts and reusable component systems following accessibility best practices.
Collaborate with designers and backend engineers to deliver pixel-perfect implementations and optimize performance.
Xsolla is a global commerce company that helps video game developers fund, distribute, market, and monetize their games. Headquartered in Los Angeles, we've helped over 1,500 game developers grow their businesses around the world and are committed to supporting creators.
Design, develop, and maintain Golang and React/TypeScript applications for a data-intensive platform.
Take end-to-end ownership of features, from ideation through production and continuous improvement.
Collaborate with stakeholders to deliver reliable, scalable solutions and improve engineering standards.
They build and evolve a data-intensive platform serving major global organizations and financial institutions. The organization is a distributed team of about 30 technologists working in small, cross-functional teams with an emphasis on ownership and continuous improvement.
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.
Own features end-to-end from problem space to technical modeling and UX execution.
Build complex backend systems and intuitive frontend interfaces to fight fraud.
Collaborate with Design, Data, Product, and Account Management teams.
Sardine is the leading agentic risk platform for fighting financial crime, helping organizations stop fraud and automate AML operations. Remote-first and values performance over hours, hiring self-motivated individuals with extreme ownership.
Set technical direction across Coder’s agent harness, integrations, and workflows.
Design and build production systems in Go, with work across React and TypeScript where needed.
Lead complex projects from early ambiguity through production.
Coder is a leading platform for AI development infrastructure, enabling enterprises to run human and AI-driven workflows in secure, governed environments. The company provides self-hosted, agent-ready workspaces and fosters a collaborative, AI-forward culture.
Design, build, and operate backend services and APIs for billing, rates, and usage workflows, primarily in Go with some Node.js and TypeScript/React frontend work.
Lead complex technical projects from understanding requirements through implementation, testing, rollout, and production support, while improving system correctness and reducing manual tasks.
Participate in on-call rotation, enhance monitoring and recovery procedures, and collaborate with cross-functional teams including product, support, and infrastructure.
Grafana Labs provides Grafana Cloud, a fully managed observability platform trusted by over 10,000 organizations for reliability, incident resolution, and telemetry optimization. As a 100% remote company with team members across 40+ countries, we foster a global collaborative culture centered on open-source values, autonomy, and trust.
Develop and operate Alpaca's authentication, authorization, and identity provider services.
Write Go for backend services and React/TypeScript for auth-related UI, owning features end to end.
Collaborate with engineering teams on identity and access integration and maintain high code quality.
Alpaca is a US-headquartered global leader in agent-first brokerage infrastructure for stocks, ETFs, options, crypto, and more. The company has a diverse team of 400+ globally distributed members and is backed by $400 million in funding, fostering a culture of curiosity, empathy, and accountability.
Design, develop, and maintain full-stack features across backend services and frontend applications.
Build scalable microservices with Golang and Java, and modern frontends with React and Next.js.
Contribute to secure authentication, cloud infrastructure, and architecture decisions in a regulated fintech environment.
The company is a high-growth fintech and cryptocurrency platform that powers secure, scalable financial transactions. It offers a collaborative, high-trust remote working environment that values engineering ownership and technical judgment.
Lead architecture and delivery of enterprise software platforms, from discovery to production support.
Build secure, scalable solutions with Next.js, TypeScript, Go, and modern data pipelines.
Drive AI-assisted development, mentor engineers, and set technical strategy across teams.
A partner company is hiring a Principal Engineer to shape enterprise software platforms that support digital transformation. The team values innovation, collaboration, engineering excellence, and continuous learning.
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.
Take deep ownership of systems and product areas, becoming the go-to technical expert for what you own.
Architect, build, and maintain highly available, scalable REST APIs and backend services across distributed systems.
Build agentically with AI coding tools, staying at the forefront of emerging AI tooling and practices.
Postscript is an AI messaging platform for Shopify brands, helping e-commerce marketers drive revenue through SMS marketing and AI features. Backed by Greylock and Y Combinator, the company has been fully remote since 2018 and serves 20,000+ Shopify brands with a culture of ownership and AI-first development.
Own and evolve the Kamino webapp built on React 19, TypeScript, and TanStack Start.
Build and ship features across lend/borrow, leverage, vaults liquidity, swap/limit orders, and portfolio.
Model complex server state with TanStack Query and client state with Zustand for real-time financial data.
Kamino builds the credit and liquidity engine for tokenized assets, operating the largest credit protocol on Solana with over $20 billion in loans originated. The company is expanding to New York and fosters a quality-focused, AI-native engineering culture.
Build and maintain user interfaces using React and TypeScript.
Develop backend services and APIs in Go, consuming GraphQL via Apollo Client.
Ensure federal accessibility standards and collaborate across teams.
Oddball builds quality software for the federal space, aiming to improve daily lives of millions of people. It is a small company that values learning, growth, and making a big impact.
Design, build, and maintain full-stack features across frontend applications and backend services.
Develop and maintain backend APIs for onboarding, authentication, transaction lifecycles, and operational workflows.
Build and enhance front-end experiences in customer-facing and internal web applications.
Veta Virtual is a talent company that hires for high-growth clients in the fintech and cryptocurrency industry. They foster a collaborative, high-trust culture and offer fully remote work opportunities.