Job Title

Senior Python Developer

Job Description

Our client is seeking a skilled and passionate Python Developer to help scale their platforms that power a suite of socially conscious financial technology products.

As a Python Developer, you’ll join a fast-paced, cross-functional team responsible for delivering backend systems and user-facing features that support a high-integrity, mission-led business.

This is an ideal opportunity for someone who enjoys solving meaningful problems, building modern systems, and contributing to tech that has a real-world social impact. Take this chance to use your coding skills to make a tangible difference in people's lives.

Please note, this company is not in a position to offer visa sponsorship or relocation. Please apply if you are legally eligible to work in the UK and are able to commute into central London 3 days per week.

Restrictions

• No telecommuting
• Agencies are OK

Requirements

Key Responsibilities

• Lead and deliver technical projects that evolve with customer needs and business goals.
• Collaborate with design, data, operations, and product teams to deliver features with both user and business value.
• Balance complexity and usability, making sound trade-offs between speed, reliability, and maintainability.
• Design and develop scalable systems that support accessible and responsible financial products, such as risk scoring, digital underwriting, payment services, and loan servicing.
• Improve the development experience through better tooling, testing, observability, and automation.
• Help define and evolve engineering culture and processes within the team.

Key Skills Required

• 3+ years’ experience as a Python Developer with a full-stack focus.
• Previous experience in a startup or high-growth environment.
• Solid knowledge of PostgreSQL and experience building reliable, scalable systems.
• Familiarity with modern JavaScript/TypeScript environments.
• Enjoy working in ambiguity and balancing short-term goals with long-term vision.
• Comfortable collaborating across disciplines in small teams to ship work quickly.
• Approach problem-solving holistically—with consideration for users, stakeholders, and ethical implications.
• The engineering team works in small, nimble cross-functional squads with a bias for shipping quickly and learning through iteration. They take a pragmatic approach to tech, using open-source tools and frameworks where they add value. If you believe something is the right tool for the job you will be listened to.

Tech stack includes: Python, TypeScript, Next.js, React.js, Nest.js, PostgreSQL, AWS, SQS, Pulumi, GitHub Actions, CloudWatch, Grafana, and Sentry.

About the Company

Foxley Talent, the go-to recruiter for the Python community is partnering with a new client, a tech for good startup building ethical, impactful digital solutions.

Compensation & Benefits

• Salary: £60,000–£90,000 depending on experience (plus equity)
• Private Healthcare: Provided (via Vitality)
• Pension: SMART pension scheme
• £1,000 Annual Learning & Development budget
• Hybrid Working: 3 days/week in-office in Central London (5 minute walk from Oxford Circus)

Apply now through Foxley Talent to explore how you can help shape ethical technology that drives real-world change. Send your latest CV and reasons for your interest in the role to hello@foxleytalent.com and we will review your application.

Contact Info

• Contact: Jon Gould
• E-mail contact: hello@foxleytalent.com
• Web: https://foxleytalent.com/jobs/london-python-developer/