Python Developer

Senior/ Lead Python Developer

Hybrid, 2 days per week in Leeds

We're recruting for a highly skilled Senior Software Engineer with a strong foundation in Python and a passion for leading modern software projects to join our client. This role combines hands-on technical development with leadership responsibilities, guiding teams, shaping technical direction, and delivering robust, scalable solutions across complex environments.

What You'll Do

• Take ownership of the design, build, and delivery of sophisticated back-end systems using Python and frameworks such as FastAPI, Django, or Flask.

• Apply solid software engineering principles, from clean code and error handling to data modelling and object-oriented design.

• Collaborate closely with front-end teams working with React, Vue.js, or vanilla JS, ensuring smooth integration between client and server layers.

• Design and optimise relational database schemas, write efficient SQL, and maintain data integrity across systems.

• Build and manage cloud-native applications using AWS services, employing Terraform for provisioning and automation.

• Contribute to DevOps practices, including Docker containerisation and serverless deployments.

• Provide technical leadership: support code reviews, maintain development standards, and mentor junior engineers.

• Implement automated testing strategies, including unit and API test coverage, to maintain high-quality releases.

What You'll Bring

• 5+ years of experience delivering production-grade software in Python.

• A strong understanding of modern web frameworks, database design, and API development.

• Practical experience with cloud infrastructure (AWS preferred) and infrastructure as code tools such as Terraform.

• Hands-on experience with containerisation and microservices.

• Familiarity with continuous integration and delivery pipelines and Agile delivery environments.

• Ability to analyse complex technical problems, identify root causes, and propose innovative solutions.

• Excellent communication skills and a collaborative mindset, with a track record of guiding others and influencing technical decisions.

Desirable Extras

• Experience working with ORM frameworks (e.g., SQLAlchemy) and templating engines.

• Deep knowledge of AWS best practices and scalable system design.

• Awareness of software architecture patterns and principles for maintainable systems.

• Background in Agile coaching or process improvement initiatives.

You'll be part of a forward-thinking engineering team that values innovation, autonomy, and technical excellence. This is an opportunity to work on impactful projects, shape architectural decisions, and help define the future of scalable, cloud-first applications.