2602 IT & Software Developer jobs in the UK

Lumenalta jobs

Senior Backend Engineer

£45,000 - 75,000
Lumenalta
Surrey Street, Sheffield + Remote (UK)
£45,000 - 75,000
Company Size icon
Company Size
500-1k
Company Type icon
Company Type
Services
Exp Level icon
Exp Level
Senior
Job Type icon
Job Type
Full-Time
Language icon
Language
English
Visa sponsorship icon
Visa sponsorship
No

Requirements

Must:
- 7+ years of backend development experience, with a strong focus on Python - Experience building and maintaining GraphQL APIs or RESTful services - Proven experience working with cloud infrastructure – preferably AWS Lambda, DynamoDB, ECS, and S3 - Strong grasp of data modeling, system design, and distributed systems - Familiarity with CI/CD practices and cloud-native development - Experience writing unit, integration, and performance tests - A pragmatic problem-solver who can balance shipping with long-term scalability - Excellent communication skills and the ability to work independently in a remote team

Responsibilities

- Design, build, and maintain scalable backend systems using Python, GraphQL, and AWS services - Implement microservices that interact with distributed systems and cloud infrastructure - Write robust, testable, and efficient code to support mission-critical features - Collaborate with front-end developers, product managers, and other backend engineers to deliver complete end-to-end solutions - Develop and manage serverless applications using AWS Lambda, DynamoDB, and ECS - Monitor system performance and help drive improvements in reliability and scalability - Participate in code reviews, technical design discussions, and sprint planning - Contribute to automation efforts across CI/CD, testing, and deployment

Description


At Lumenalta, we partner with global enterprises to build and scale high-impact digital products. Our engineering teams work on complex, production-grade systems that power real-world experiences for millions of users. This is a fully remote position open to candidates based in Europe or regions with compatible time zones. To ensure effective collaboration with our client and team, candidates must maintain a 6-hour overlap with Eastern U.S. business hours. We are always excited to connect with professionals who want to help us build the future.
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