Python Tech Lead

Mastek; Leeds; Hybrid; GBP 60,000 - 80,000; Full time

Benefits offered by this job

Competitive salary

Performance bonuses

Flexible working hours

Remote working options

Comprehensive health, dental, and vision insurance

Opportunities for professional development

Job summary

Mastek in Leeds is seeking an experienced Lead Full Stack Developer specializing in Python to join their delivery team. This hands-on role focuses on building, enhancing, and supporting production applications in complex environments. The ideal candidate will have 8-10+ years of practical development experience, particularly within UK public sector programmes, collaborating closely with various teams to deliver reliable, secure solutions.

Key responsibilities include developing applications using Core Python and Flask, optimising SQL databases, and deploying cloud-hosted solutions on AWS.

The position also offers competitive salary and performance bonuses along with flexible working hours and remote options.

Qualifications

• 8-10+ years of hands-on software development experience with a strong focus on Python and web-based applications.
• Proven experience designing and working with SQL databases in delivery environments.
• Practical experience deploying applications on AWS using infrastructure-as-code approaches.

Responsibilities

• Develop, enhance, and maintain applications using Core Python and web frameworks such as Flask.
• Implement and support cloud-hosted solutions using AWS core services and infrastructure-as-code tools such as Terraform.
• Ensure applications meet security, data protection, and compliance requirements.

Skills

Python

SQL

AWS

Docker

Agile methodology

Tools

Flask

Terraform

CI/CD pipelines

Job description

We are looking for an experienced Lead Full Stack Developer specialising in Python to join our delivery team. This is a hands—on role focused on building, enhancing, and supporting production applications in complex environments. The successful candidate will have strong practical development experience and be comfortable working within public sector programmes, collaborating closely with delivery, product, and data teams to deliver reliable, secure solutions.

Experience working in UK public sector environments is required, with NHS experience strongly preferred.

Key Responsibilities

• Develop, enhance, and maintain applications using Core Python and web frameworks such as Flask.
• Develop and optimise SQL databases to support application functionality and reporting needs.
• Implement and support cloud—hosted solutions using AWS core services and infrastructure—as—code tools such as Terraform.
• Work with Docker and serverless components as part of application deployment and runtime environments.
• Integrate applications with upstream and downstream systems, and troubleshoot issues across the stack.
• Contribute to data analysis and basic visualisation to support operational insight and application monitoring.
• Apply established development practices and patterns pragmatically, focusing on maintainability, performance, and reliability rather than complex architectural design.
• Implement automated testing, including unit and API testing, and contribute to test—driven development where appropriate.
• Ensure applications meet security, data protection, and compliance requirements, including authentication and authorisation standards (e.g. OAuth 2.0, OIDC).

Qualifications

• 8-10+ years of hands—on software development experience, with a strong focus on Python and web—based applications.
• Proven experience designing and working with SQL databases in delivery environments.
• Practical experience deploying and supporting applications on AWS, using infrastructure—as—code approaches.
• Experience working with containerised and serverless application components.
• Demonstrated experience delivering software within UK public sector programmes or organisations.
• Strong problem—solving skills, attention to detail, and the ability to work effectively in delivery—focused, deadline—driven environments.
• Clear written and verbal communication skills, particularly when working with non—technical stakeholders.
• Experience working in Agile delivery teams, with a pragmatic understanding of Agile ceremonies and practices.
• Working knowledge of CI/CD pipelines and deployment processes.
• Ability to work from defined requirements and user stories, contributing to solution refinement as needed.
• Ability to explain technical issues and solutions clearly to delivery, product, and business stakeholders.
• Flexibility to adapt to changing priorities and evolving programme needs.

Preferred Skills

• Experience delivering digital services within the NHS or wider health and care sector.
• Familiarity with public sector standards, governance, and assurance processes.
• Experience using ORMs and server—side templating frameworks.
• Exposure to AWS best practices for security, monitoring, and cost—effective operation.
• Competitive salary and performance bonuses.
• Flexible working hours and remote working options.
• Comprehensive health, dental, and vision insurance.
• Opportunities for professional development and skills growth.
• Collaborative and inclusive working environment.