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Lumenalta

Senior Backend Engineer - Python

Remote

United kingdom

Senior

Freelance

16-02-2026

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Skills

Communication Python GraphQL CI/CD AWS Lambda AWS Microservices

Job Specifications

What We’re Working On

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.

What You’ll Do

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

What We’re Looking For

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

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.

Application Deadline

This role is an evergreen position with no predetermined start date. Applications will be accepted until February 27, 2026. As we continue to build our talent pipeline, the position may be reposted to allow us to connect with additional qualified professionals.

About the Company

We're Lumenalta Previously known as Clevertech, we're a group of highly-trained technologists that have supported the world's leading brands across industries since 2000. We build custom software solutions with big business impact and have supported brands like Target, Man Group, Evercast, Minibar Delivery, Dicom Transportation Group, and Stats Perform. Know more