Senior Go (Golang) Developer

About Twelve DataTwelve Data powers financial data for developers and businesses worldwide — real-time and historical prices for stocks, ETFs, forex, crypto, and more, plus fundamentals, technical indicators, and market intelligence, delivered through fast, reliable APIs and WebSockets. Tens of thousands of engineers build on our platform. We move fast, ship often, and care deeply about performance and correctness.The RoleWe're hiring a Senior Go Developer to help build and scale the systems behind our market data platform. You'll work on high-throughput, low-latency data infrastructure and the public APIs that thousands of developers depend on every day.This is a role for someone who wants to own real problems end to end — from design to production — and grow into a technical leader as the team scales. You'll start as a strong individual contributor with a clear path to leading people as we grow.What you'll doDesign and build high-scale, low-latency data infrastructure that ingests and serves real-time market dataDevelop and evolve our public REST and WebSocket APIs used by developers around the worldWork across distributed systems — concurrency, reliability, and performance tuning at the coreTake ownership of services end to end: architecture, implementation, deployment, and reliabilitySet the technical bar through code review, mentorship, and pragmatic engineering decisionsHelp shape how we build as the team grows — and grow into leading itWhat we're looking forStrong, production-grade experience with Go in high-scale backend systemsDeep understanding of concurrency, distributed systems, and performance optimizationTrack record of building and operating reliable, high-throughput servicesA genuine sense of ownership — you take problems and drive them to done without being told howHigh agency and initiative: you spot what needs doing and do itInterest in growing into a technical leadership role and mentoring othersComfort working in fintech / market data (or eagerness to go deep on it)Nice to haveExperience with real-time streaming, time-series data, or financial marketsFamiliarity with databases and caching at scale, containerization, and cloud infrastructureOpen-source contributions or side projects that show your craftWhy Twelve DataWork on infrastructure that real developers rely on at scale, with immediate impactSmall, senior team where your decisions matter and ownership is realClear path from senior IC to technical leadership as we growRemote-friendly, with a preference for Dubai (relocation supported)