Senior Backend Engineer: Scale, Ownership & Impact

Trading 212; España; Híbrido; EUR 85.000 - 120.000; Jornada completa

Descripción de la vacante

Trading 212 is seeking a Senior Backend Engineer to own end-to-end backend solutions and contribute across autonomous, small teams. You will design, build, and operate services that scale with the business and ensure data integrity in production.

Bring strong backend fundamentals, experience with microservices, and the ability to explain technical decisions. You will join Europe’s fastest-growing mobile broker with a modern stack and fast release cycles.

Formación

• 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.

Responsabilidades

• 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.

Conocimientos

Backend microservices

HTTP/WebSocket/AMQP

Relational databases

Systems design

Production debugging

Team collaboration

Descripción del empleo

Trading 212 is seeking a Senior Backend Engineer to own end-to-end backend solutions and contribute across autonomous, small teams. You will design, build, and operate services that scale with the business and ensure data integrity in production.

Bring strong backend fundamentals, experience with microservices, and the ability to explain technical decisions. You will join Europe’s fastest-growing mobile broker with a modern stack and fast release cycles.