Lead the technical strategy and architecture of the Xsolla ID IAM platform, covering authentication, authorization, and session management at scale.
Design and evolve OAuth 2.0/OIDC flows, token lifecycle, and security primitives to meet product and compliance requirements.
Mentor a team of up to 8 backend engineers through 1:1s, performance reviews, and delivery ownership.
Xsolla is a global commerce company providing tools and services for video game developers to fund, distribute, market, and monetize their games. Headquartered in Los Angeles, it has helped over 1,500 game developers and fosters a remote-first, supportive culture focused on employee well-being.
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.
Develop and operate distributed, scalable backend applications for a high-volume content distribution platform.
Design systems for high availability, low latency, and resilience.
Collaborate with routing and infrastructure teams to ensure optimal performance during traffic peaks.
A partner company is looking for a Senior Back End (Go) Developer to build and operate large-scale digital content distribution platforms handling millions of requests per minute. The company fosters a DevOps culture and offers remote work in Brazil with a comprehensive benefits package.
Architect and implement backend services in Go, designing APIs and distributed systems that scale reliably.
Ensure performance, resilience, and fault tolerance in production environments.
Collaborate with product, frontend, and infrastructure teams to deliver features from concept to launch.
Aries.com is the first open-source brokerage for active traders, and Finance.dev provides developer infrastructure for trading products. They are a dynamic team that values urgency, initiative, and engineering excellence, operating with a hybrid company model hiring everywhere.
Design and build financial services in Go with correctness and auditability as first-class requirements.
Own core service components end to end, from design and implementation to rollout and on-call.
Integrate with external financial partners and build automated reconciliation and exception handling.
The company is building the financial core of a mission-driven fintech platform, including money movement, ledgering, and reporting systems. The team is small, fast-paced, and cross-functional, with a strong culture of ownership and a focus on correctness, auditability, and reliability.
Own and build backend-driven features for a top live game from design to launch.
Work closely with designers, client developers, product, and data to build scalable systems.
Reuse and extend Voodoo’s backend platform while ensuring the game can move fast.
Voodoo is a consumer tech company founded in Paris in 2013, on a mission to entertain the world with mobile games and apps. We are 1,000 people, generating $1b+ in annual revenue, and our games have reached 7 billion downloads with 200 million+ monthly active users.
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.
Design and build Go-based automation for full PostgreSQL lifecycle management, including provisioning, upgrades, and scaling.
Collaborate with product management and engineering teams to deliver high-performance solutions for internet-scale databases.
Build repeatable automation for PostgreSQL major version upgrades and operate services in production.
GitLab provides a DevSecOps platform for intelligent software development. With over 50 million users and a high-performance culture driven by values and AI, the company fosters innovation and collaboration.
Design, build, and maintain core services and infrastructure that power large-scale logistics solutions.
Identify and address performance bottlenecks, ensuring reliability and scalability across the platform.
Collaborate closely with Product, Data Science, and other engineering teams to deliver impactful features.
Roadie is a logistics and delivery platform that helps businesses tackle delivery complexities with same-day and last-mile solutions. With over 310,000 independent drivers nationwide and a remote-first culture, Roadie values innovation, collaboration, and flexibility.
Own the entire SDLC: codebase, architecture, and operations.
Design and implement new features across identity, organization, membership, group, and workspace domains.
Manage integrations with other JCP platform components and connected applications.
JetBrains creates developer tools that help software teams be more productive. With over 1,000 employees worldwide, the company fosters a culture of innovation and flexibility, offering remote work options and continuous learning opportunities.
Design and ship multi-tenant services for checkout, subscriptions, payments orchestration, invoicing, and tax hooks.
Integrate PSPs and local payment methods with resilient webhooks and idempotent APIs.
Implement an append-only double-entry ledger using event sourcing/CQRS to improve scale and correctness.
HighLevel provides an AI-powered business operating system for agencies, entrepreneurs, and SMBs to build, automate, and scale. With over 2,000 team members across 10+ countries, it operates as a global, remote-first organization that values initiative, clarity, and execution.
Design, build, and maintain Go-based backend services and provider adapters for network, bare-metal/GPU, and data providers.
Contribute to self-serve onboarding frameworks including schema mapping, GUI tooling, validation guardrails, and LLM-assisted integration.
Collaborate asynchronously across distributed functions and own assigned adapter surfaces end-to-end with observable, well-tested services.
Inflect is a US-based advisory and marketplace transforming how companies buy and sell digital infrastructure such as data center, cloud, and network services. The team works across Brazil, Poland, and the US with a culture of autonomy, high impact, and async collaboration.
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.
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.
Own and ship Looma Marketplace features end-to-end, working backend-first across Go, GCP, Postgres, Redis, and BigQuery while contributing to Angular frontend when needed.
Evolve the backend toward scalable async workflows, queues, concurrency, caching, and clearer service boundaries while improving CI/CD and testing.
Own integrations, data pipelines, and internal tooling, using AI-assisted workflows to move quickly while keeping verification and quality high.
Looma is an in-store digital media platform that uses a network of screens to help retailers modernize and monetize their stores while enabling brands to tell their story at the point of decision. It is a small, product-focused team with a culture of ownership, craftsmanship, and AI-native engineering.
Build backend services and integrations with Golang, MongoDB, and Snowflake.
Support policy platform use cases and day-to-day integration work.
Deliver work under limited supervision, adhering to customer code review and deployment standards.
OnTrac is a logistics company specializing in parcel delivery services. As a contractor program supporting a critical customer engagement, they seek skilled engineers for project-based work.
Design, develop, and maintain scalable web applications and backend services using Go (Golang), Angular, PostgreSQL, and MySQL.
Integrate Angular front-end applications with RESTful backend APIs and optimize database schemas, indexes, and queries.
Implement microservices, authentication/authorization (OAuth 2.0/JWT), and automated testing to ensure high-quality code.
Del Oro Consulting is a national consulting solutions provider with over 20 years of experience supporting global technology leaders. They focus on delivering scalable web applications and backend services for clients with a collaborative engineering culture.
Design and implement backend services for licensing, entitlements, feature access, and usage limits across NodeZero's product and APIs.
Build and evolve provisioning, admin experience, MSP/MSSP capabilities, and audit logging for a multi-tenant SaaS platform.
Operate production services with monitoring, incident response, and a high bar for design quality and test coverage.
Horizon3 is a fast-growing, remote cybersecurity company that helps organizations proactively find, fix, and verify exploitable attack vectors through its NodeZero autonomous pentesting platform. The team is a fusion of former special operations cyber operators and startup engineers, fostering a culture of respect, collaboration, ownership, and results.
Architect, design, implement, and maintain scalable software solutions across the full stack.
Develop high-quality product features for Trading API customers, including trading dashboards and backend services.
Work deeply with financial systems and infrastructure covering payments, trading, market data, and account management.
Our partner builds developer-focused infrastructure for modern financial services and digital trading. They are a globally distributed engineering team in a startup-like environment.
Build and enhance SpiceDB, a distributed permissions database, and contribute to the open-source ecosystem.
Drive best practices in software development, testing, and CI/CD to ensure robust and scalable platform.
Collaborate with a high-performing engineering team to address complex challenges in distributed systems and authorization.
AuthZed creates and maintains SpiceDB, an authorization infrastructure used by companies globally to simplify permission management. As a Series A company, they have a fully remote, hardworking team with a software-driven culture across the US, Canada, and Europe.