> Markdown version of [/jobs/ext/3115951-senior-software-engineer-high-performance-scale](https://www.wearedevelopers.com/jobs/ext/3115951-senior-software-engineer-high-performance-scale). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - High Performance & Scale - **Company:** Fever - **Location:** Zaragoza, Spain - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Code Review, Relational Databases, Software Design Patterns, Django Web Framework, Monitoring of Systems, Python (Programming Language), PostgreSQL, RabbitMQ, Data Streaming, Datadog, Backend, Fastapi, Event Driven Architecture, Apache Kafka - **Published:** September 27, 2026 - **Apply:** https://www.buscojobs.com.es/senior-software-engineer-high-performance-scale-en-zaragoza-ID-372573544 ## About the Role Requisitos principales Strong knowledge of building maintainable and scalable code with testing-driven development and design patterns Strong knowledge of relational databases and SQL Experience with event streaming platforms such as Kafka or RabbitMQ Experience handling services with high concurrencies and high volume requests Proficiency with Datadog or similar profiling/monitoring tools Proficiency in business English ownership cross-functional collaboration delivery-focused Python (Django/FastAPI) PostgreSQL ## Description OverviewIn this Senior Backend Engineer role, you help build Fever's high-performance live-entertainment platform. You work within a fast-growing engineering team to deliver scalable features and robust services. You'll collaborate with Product, Data, and other engineers to improve architecture, observability, and developer experience. This position offers ownership from day one and the chance to shape critical backend systems at scale.Compensaciones / Beneficios 40% discount on Fever events and experiencesHome office friendly in SpainRelocation package for international candidatesHealth insuranceFlexible remuneration via Cobee (tax exemption)English lessonsResponsabilidades Design and implement end-to-end features within your squadParticipate in architectural discussions and propose improvements across services and APIsWork with event-driven systems to ensure performance, reliability, and scalabilityCollaborate with Product, Data, and Engineering teams to enhance platform and developer experienceLead code reviews and contribute to mentoring and best practicesTake ownership of core components and evolve their architectureDrive continuous improvement in scalability, observability, and system designRequisitos principales Strong knowledge of building maintainable and scalable code with testing-driven development and design patternsStrong knowledge of relational databases and SQLExperience with event streaming platforms such as Kafka or RabbitMQExperience handling services with high concurrencies and high volume requestsProficiency with Datadog or similar profiling/monitoring toolsProficiency in business Englishownershipcross-functional collaborationdelivery-focusedPython (Django/FastAPI)PostgreSQLRedis ## Related Videos - [Intro to FastAPI](https://www.wearedevelopers.com/videos/462-intro-to-fastapi) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Debugging in the Dark](https://www.wearedevelopers.com/videos/1658-debugging-in-the-dark) - [Software Engineering Social Connection: Yubo’s lean approach to scaling an 80M-user infrastructure](https://www.wearedevelopers.com/videos/1583-software-engineering-social-connection-yubo-s-lean-approach-to-scaling-an-80m-user-infrastructure) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) ## Related Articles - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)