Skills

Leadership Python SQL MySQL PostgreSQL GraphQL CI/CD Docker Architecture Software Architecture Linux Databases react Django Recruitment CI/CD Pipelines

Job Specifications

Job Title: Lead Python Developer
Location: United Kingdom (Remote)
Salary/Rate: £352 - £350 (Inside IR35)
Start Date: Immediately
Job Type: 12 Month Contract
We are seeking an experienced Lead Python Developer to join a distributed development team and take ownership of both technical delivery and day-to-day leadership. This role requires a hands-on developer with strong Python and Django expertise, combined with the confidence and experience to lead a small team of engineers, guide best practices, and support successful project outcomes.
Job Responsibilities/Objectives:
Act as technical lead for a small team of developers, providing guidance, code reviews, and mentoring
Lead by example with hands-on development using Python and Django
Design, develop, and maintain Back End applications and services
Build and support APIs using Django Rest Framework, with occasional exposure to GraphQL
Collaborate with product owners, stakeholders, and engineers to shape technical solutions
Contribute to system architecture, refactoring, and performance optimisation
Ensure high code quality through PEP8 compliance, automated formatting (Black, isort), and best practices
Drive strong testing culture, including unit and integration tests, supporting CI/CD pipelines
Oversee containerisation and local development workflows using Docker
Support and unblock team members across Back End, API, and data layers
Work closely with Front End developers using React, Vue, or similar frameworks
Manage and optimise relational databases (PostgreSQL/MySQL) and complex SQL queries
Required Skills/Experience
The ideal candidate will have the following:
Strong commercial experience with Python and Django, across multiple projects or industries
Proven experience building and maintaining RESTful APIs
Prior experience in a Lead Developer/Tech Lead role, managing or mentoring a small development team
Solid understanding of software architecture and system design principles
Strong experience with relational databases and SQL optimisation
Hands-on experience with Docker (Dockerfiles, Docker Compose)
Excellent knowledge of software engineering best practices, testing, and CI/CD workflows
Confidence working in Linux-based environments
If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.
Disclaimer:
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.
Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

About the Company

With over 25 years in the technology recruitment sector, Square One is an award-winning specialist recruitment agency. Based in London, we manage recruitment on an international scale with clients ranging from start-ups to global corporations. Our goal is to offer a comprehensive recruitment service for our clients, building long-term relationships with them to ensure candidates receive the best career opportunities possible. Our consultants continually upskill, ensuring that they're at the forefront of industry, market an... Know more