Lead Python Developer

Skills & Experience

• Job roles: Back End

• Experience level: Lead

• Tech stack/tooling used: Python, FastAPI, MySQL, GCP, Docker, SQLAlchemy, PyTest, PostgreSQL, Kubernetes, Linux

• Core skills considered: Python, FastAPI, MySQL, GCP, Docker

• Other skills considered: SQLAlchemy, PyTest, PostgreSQL, Kubernetes, Linux

Logistics

• Employment type: Permanent

• Remote working: On-site, Hybrid

• Visa sponsorship: Not available

Job Description

As a Lead Python Developer at Fundment, you’ll lead a pod of 3 - 4 engineers, including yourself, combining hands-on development (around 50% of your time) with technical leadership. You’ll drive execution, uphold delivery quality, and ensure the team builds reliable, maintainable systems that serve real business needs.

You’ll collaborate closely with product managers - reviewing PRDs to ensure they’re clear, technically feasible, and scoped appropriately. Enabling you to produce accurate estimation and help PMs prioritise effectively. While they focus on broader coordination, you’ll keep the pod aligned, focused, and delivering at a high standard.

Key Responsibilities

• Lead development of features and fixes, writing clean, performant, secure code aligned with business goals

• Review PRDs with the PM to ensure clarity, highlight edge cases, and produce accurate estimation

• Own sprint planning, and pod-level execution, including scoping, sequencing and overseeing delivery

• Proactively escalate delivery risks, technical blockers or trade-offs to your Engineering Manager for input or alignment

• Lead initial architecture and technical design for your pod’s work, running a collaborate review process with EMs and other relevant leads before implementation

• Raise team standards through mentoring, code reviews, and setting strong technical example

• Ensure production readiness – triage and prioritise live issues with appropriate urgency, coordinating with App Support and escalating when needed

• Coordinate rollouts with the PM and App Support, ensuring smooth deployments and follow through after release

• Continuously improve local engineering practice, tooling and system resilience

• Represent your pod in scrum-of-scrums and cross-pod delivery initiatives

Requirements

Experience & Leadership

• 5+ years commercial Python experience in backend systems

• Experience leading a small pod or acting as tech lead in an agile environment

• Strong judgement on priorities, trade-offs, and production support

• Effective communicator, bridging the technical and non-technical discussions

• Business focused - weighs immediate and longer-term business impact against purely technical / theoretical enhancement

• Able to influence and gain trust through mentoring and unblocking

• Ownership mentality – takes responsibility for pod outcomes

• Experience gained in a small founder led/scaling business

• Knowledge of FCA compliance/Financial Services/regulated environment preferred

• Highly motivated to learn about Fundment’s products

Technical Expertise:

• Python: FastAPI, Pydantic, SQLAlchemy, PyTest, Pandas, Numpy

• Databases: MySQL (strong), PostgreSQL, Redis

• Cloud:

1. GCP: Cloud Logging , Pub/Sub, Cloud Run, VMs, Load Balancers,

2. Experience supporting production systems

• Tooling: Docker, Docker Compose, Kubernetes, Git, GitLab CI/CD

• Environment: macOS (dev env), Linux (proficient)

• Security & Compliance: Familiar with secure coding and regulated environments

Values

• Collaborative – Deliver as a team, communicate clearly, and prioritise collective outcomes

• Innovative – Challenge what doesn’t work, try new approaches, and keep improving

• Supportive – Help your team succeed, give clear feedback, and respect people’s context

• Trustworthy – Follow through, be transparent, and fix what you break

• Flexible – Adapt to changing needs, focus on outcomes, and protect time for deep work

Company Benefits

• Be part of a modern, inclusive, high-trust engineering culture

• Take ownership and ship code that directly improves client outcomes

• Work with a smart, friendly team that values balance, growth, and support

• Pension 6% employer contribution, minimum 2% employee contribution.

• BUPA Private Health Insurance – fully paid for by the company, for you and your immediate family.

• Medicash Cashplan – fully paid for by the company, for you and your immediate family.

• Travel insurance – fully paid for by the company, for you and your immediate family.

• Life Assurance – 4 x base salary.

• Employee Assistance Programme

• 28 days annual leave plus bank holidays.

• Paid compassionate leave – up to 5 days per year.

• Enhanced paternity/maternity/adoption leave – 16 weeks at full pay after 12 months of service.

• Jury service – 10 days at full pay.

• Hybrid working arrangements – 3 days per week in the Fitzrovia office.

• Coaching&Counselling sessions

• Training Budget

• Annual pay review

• Annual training budget