Trading212 - Senior Backend Engineer
Requirements
• Proven ownership of backend services built and operated within a microservices architecture. • A strong grasp of communication protocols such as HTTP, WebSockets and AMQP, including when to apply each. • Production fluency in at least one modern backend framework. • Deep knowledge of relational databases, including indexing, transactions, isolation levels, locking mechanisms and high-performance design. • A track record of designing systems for high availability, scalability and resilience. • Clear, structured problem-solving and the ability to explain technical decisions and trade-offs. • Strong engineering fundamentals, sound judgement and confidence learning unfamiliar technologies. • Depth in one backend ecosystem and sound tool choice matter more than familiarity with every technology listed. • What to expect • Recruiter conversation • Managerial interview • Your recruiter will explain each stage clearly and follow up after every conversation. • Bring your ambition to Europe’s fastest-growing mobile broker!
Responsibilities
• Own backend solutions end to end: understand the business problem, shape the requirements, design the solution, build it, test it, deploy it and run it in production. • Design and evolve services for performance, scale, resilience and data integrity. • Make clear technical decisions with a full understanding of the constraints, alternatives and trade-offs. • Keep code and systems maintainable as products and requirements evolve. • Diagnose difficult production problems, address their underlying causes and prevent recurrence. • Work closely with product and engineering colleagues to turn complex requirements into simple, durable solutions. • Review work critically, share knowledge and raise the engineering standard across the team.
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