Back End Developer

CompanyGround Control

LocationLondon Area, United Kingdom

Posted At1/21/2026

UK Visa Sponsorship Analytics

Analytics are greyed out due to low classification confidence (48.0%).

Occupation Type

Programmers and software development professionals

Occupation Code Skill LevelHigher Skilled

Sponsorship Salary Threshold

£54,700 (£28.05 per hour)

Occupation rate applies

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Description

We are looking for a Senior Backend Developer to join a growing product-focused engineering team. You will play a key role in designing, building, and scaling specific backend applications that support complex scheduling, operational, and data-driven workflows. This role offers the opportunity to work on technically challenging problems, influence system architecture, and help shape engineering best practices within a mature but evolving platform. You’ll be working on systems that solve real operational challenges at scale, with the chance to make a tangible impact on both the product and the engineering culture.

About the Role

We are looking for a Senior Backend Developer to join a growing product-focused engineering team.

Responsibilities

Design, develop, and maintain backend services using Python, Django, Graphene, and AWS Lambda.
Build and evolve systems that handle complex business logic and constraints.
Develop and maintain GraphQL and RESTful APIs for web, mobile, and third-party integrations.
Ensure high performance, scalability, and reliability of backend systems.

Write clean, maintainable, and well-tested code.

Contribute to architectural decisions and long-term technical strategy.

Support and mentor other developers through code reviews and collaboration.

Work closely with product managers, designers, and stakeholders to turn requirements into robust technical solutions.

Qualifications

Strong commercial experience as a backend developer using Python ideally within a start-up or scale up environment.

Required Skills

Proven experience building and maintaining API-driven systems.
Solid understanding of relational databases (e.g. PostgreSQL).
Experience designing scalable and maintainable backend architectures.
Strong problem-solving skills and attention to detail.
Familiarity with automated testing and CI/CD pipelines.
Ability to effectively communicate complex technical concepts to team members and stakeholders.
Willingness to learn FastAPI.
Knowledge of cloud platforms (AWS).

Preferred Skills

Experience working on scheduling, optimisation, logistics, or operational systems.
Knowledge of cloud platforms (Azure, or similar).
Experience with Docker and containerised applications.