Job Title: Senior Software Developer

Company Name: Foxley Talent

Job Url: https://foxleytalent.com/jobs/senior-python-developer-tdd/

Job Description: Senior Python Developer USA
11/02/2026


Foxley Talent are working with our client, whose product is an established SaaS platform serving investment organisations across the United States and Europe.
They are looking to hire a Senior Software Developer to play a key role in strengthening engineering quality, improving legacy systems, and helping shape a test first development culture across the business.
This is a hands on individual contributor role. You will write production code, refactor complex systems, and influence how engineering is done across the company. If you care about modular design, clean architecture, and robust testing practices, this role will suit you well.

The Role

Design, build, and maintain backend services using Python and Django
Lead the adoption of test driven development practices
Refactor and modernise legacy systems to improve performance and maintainability
Write comprehensive unit, integration, and end to end tests
Create and maintain technical documentation across systems and APIs
Participate in code reviews and help elevate engineering standards
Mentor developers and promote a culture of ownership and quality
Contribute to infrastructure and DevOps discussions where relevant
What We’re Looking For

7+ years of professional software development experience
Strong Python experience with Django in production environments
Deep understanding of testing methodologies and software quality
Experience refactoring complex or legacy codebases
Solid grasp of design patterns and clean architecture principles
Strong written and verbal communication skills
Familiarity with CI/CD pipelines
Comfortable influencing engineering culture in a collaborative way
Nice to Have

Experience with Django REST Framework
Frontend exposure with modern JavaScript frameworks
Infrastructure as code experience such as OpenTofu or Terraform
Familiarity with containerisation technologies
Experience contributing to open source
Why This Role

This role will suit a Senior Python/Django Developer who enjoys improving systems, raising engineering standards, and having a lasting impact beyond just feature delivery. You’ll join a collaborative, remote team that values thoughtful development practices and long term quality over short term shortcuts.

What’s On Offer
$140,000 - $160,000 salary
Medical, dental, and vision insurance
Professional development support
Fully remote working within the United States (preference will be given to any candidates within commutable distance from Boston, MA)