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# Senior Backend engineer_ London, UK

- **Company:** Infinity Quest
- **Location:** London, UK (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Architectural Patterns, Unit Testing, Program Optimization, Code Review, Databases, Continuous Integration, Database Queries, Fault Tolerance, Node.Js, NoSQL, Performance Tuning, Next.js, SQL Databases, Systems Architecture, TypeScript, ReactJS, Backend, Gitlab, Event Driven Architecture, AngularJS, Integration Tests, Kubernetes, Front End Software Development, React Redux, Api Design, Restful APIs, Serverless Computing, Docker, Crud, Microservices
- **Published:** September 5, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5869479490

## About the Role

programming, event-driven architecture, and handling
complex I/O operations. They demonstrate high
proficiency in designing and optimizing databases (both
SQL and NoSQL), including advanced query writing.
Their expertise includes architecting scalable, fault
tolerant systems, with deep knowledge of performance
tuning and code optimization.
Senior Backend Engineers are experienced in system
architecture, including designing and implementing
microservices and complex API architectures.
They contribute to code reviews, providing feedback
where required, and mentor junior developers to help
them understand complex concepts and improve coding
practices. Backend Engineer
A Backend Engineer is familiar with basic architectural
patterns, such as REST APIs, and has some
understanding of complex architectures, though typically
requires assistance for implementation. They may lack
experience in high-level system design decision-making.
They possess a solid foundation in Node.js, with
knowledge of common modules and libraries, along with
intermediate database knowledge. This includes the
ability to write basic queries, perform CRUD operations,
and create basic schemas.
They are capable of supporting testing frameworks like
Jest and can write unit tests and integration tests with
solid coverage

## Description

* Nodejs (runtime env) ,Microservices architecture, Typescript or similar, Kubernetes (GKE), Docker, API Development & documentation exp, Serverless architecture
 * Good to have skills Gitlab ,CI/CD practices, GCP tools, frontend frameworks like (Nextjs, react, angular, redux etc.),
 * Required level of additional language Please look at JD I shared for Senior backend tech


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