Site Reliability Engineer

Own the reliability and performance of Douro Labs’ real-time market data and price feed infrastructure powering CeFi and DeFi users. Monitor production systems, automate operations, and lead incident response with deep data forensics to keep services accurate and always on. Ideal for engineers who thrive in distributed systems, market data, and high-ownership, mission-critical environments.

About Our Team and Your Role:

• We're a balanced team; half of us are tech-talented people, while the other half excel in forging partnerships with data providers, developers, and the DeFi community - Communication is key in our network-driven approach.

• Work remotely: Our team spans the globe from the US and South America to Europe and Asia, with an optional office in Porto, Portugal. Remote work is our norm.

• English proficiency is essential, as it's our primary language for team and external developer communication.

• Thrive in a startup environment within the dynamic DeFi space. We value adaptable problem-solvers who are eager to address evolving market needs.

• Write open-source software: Check out our open-source projects on GitHub for a sneak peek into our work.

• User-centric development: Our success hinges on external developers engaging with our solutions—crafting user-friendly APIs and crystal-clear documentation that aligns with developers' needs.

Your Responsibilities

• Develop deep ownership of the end-to-end flow of a novel distributed system that generates and delivers real-time price feeds to hundreds of CeFi and DeFi users

• Automate repetitive workflows, eliminate systematic issues, and proactively monitor live market data systems to prevent problems before they surface

• Lead incident response and data forensics end to end, analyze impact, identify root causes, and ship tactical and long-term fixes that measurably improve reliability and resilience

Desired Skills and Experience:

• Strong ownership mindset with a passion for solving hard problems and operating mission-critical, always-on systems

• Solid foundations in computer science, including data structures, algorithms, distributed systems, and time-series analysis

• Proficient in at least one modern programming language (Python preferred) and comfortable working with SQL and production data

• Able to reason about complex, adversarial markets and systems, identifying where risk and failure modes originate in real-time environments

• Deep understanding of market data infrastructure, including ticker plants and reference data, with experience in asset pricing and liquidity analysis as a plus

• Clear communicator who thrives in fast-paced, high-ownership environments and takes initiative to drive outcomes end-to-end

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Think you have what it takes? We’re looking forward to meeting you! 👋

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