Evotym is dedicated to building exceptional teams for growing companies.As a leading Fintech Staffing and Recruitment agency, we connect top-tier talent with Fintech companies, driving their success and growth. Our expertise in the sector allows us to understand its unique challenges and opportunities, ensuring we match the best-fit candidates with our clients.Join us and be part of a dynamic team and make an impact in the fintech industry.About the ClientOur client is an international and fast-growing player in the crypto trading space. With a focus on precision, scale, and profitability, they are building powerful backend infrastructure to drive capital allocation across 30+ global exchanges.Their team thrives on autonomy, innovation, and ownership, and they're looking for strong engineers to help scale and optimize mission-critical systems.Role OverviewAs a Senior Software Engineer, you'll work on building and supporting key infrastructure across multiple trading systems and exchange integrations. This is a hands-on backend role for engineers who love solving tough problems, writing robust code, and improving system reliability at scale. Your work will directly impact uptime, trading speed, and system resilience.Key ResponsibilitiesDevelop and maintain interfaces to a wide range of crypto exchangesMonitor and optimise system uptime, performance, and error recoveryAnalyse and debug existing backend scripts and servicesImprove infrastructure through new monitoring and automation toolsEnsure systems run reliably and efficiently across all trading environmentsRequirements5+ years of experience in backend software engineering (e.G. C++,C#, Java, .NET, Go)Strong track record of working on complex, logic-heavy backend systemsProficiency in programming concepts and multiple backend languagesSolid experience with Python, Rust, or similar performance-oriented toolsStrong debugging and optimisation skillsHigh personal ownership and a proactive mindsetExcellent attention to detail and a desire to build resilient systemsBonus PointsExperience in fintech, hedge funds, or trading firmsFamiliarity with crypto / blockchain systemsUnderstanding of algorithms, machine learning, or financial engineeringOlympiad results in STEM fields (Math, Physics, Informatics, etc.)If you're passionate about fintech, trading systems, and building real-world impact through code, we’d love to connect. Apply now and help shape the future of financial technology!Senior Software Engineer - Barcelona, Catalonia, .ESJ-18808-Ljbffr
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