Technical Lead

Tech Lead (Python) – FinTech Platform

Brio Digital is recruiting on behalf of a fast-growing UK fintech that is modernising wealth management. They have built a cloud-based investment platform used by financial advisers and their clients. The platform is growing quickly and runs on a modern technology stack. This is a hands on tech lead role, with both practical and management responsibility.

Location: London (3 days per week in office) | Salary: up to £200,000 | Type: Permanent

The Role

You’ll join a product engineering team as an experienced Team Lead. You’ll build and improve the backend systems behind the platform, including APIs, backend services and internal tools that support both the business’s operations and its client-facing products. The services need to be secure, scalable and easy to maintain.

As a Tech Lead you’ll be responsible for a pod of 4-6 other engineers, although this is also a hands on role. You’ll work closely with engineers and other teams, take ownership of complex problems and ship production code that has a clear business impact. You’ll also contribute to design and architecture decisions and help keep standards high for code quality and system reliability.

Key Responsibilities

• Design, build and maintain APIs, backend services and internal systems for both client-facing and operational teams
• Develop data-driven workflows and third-party integrations, including asynchronous processing and event-driven architecture
• Managing a pod of up to 6 engineers.
• Help set technical direction and plan for scalability, performance and reliability
• Write clean, practical code with a strong focus on maintainability, observability and security
• Investigate complex issues across distributed systems, find root causes and deliver lasting fixes
• Work with Product, Operations and other engineers to turn business needs into well-engineered solutions
• Take part in code reviews, technical discussions and shared team practices
• Mentor colleagues and help build a high-trust engineering culture

Tech Stack

• Python 3.x: FastAPI, Pydantic, SQLAlchemy, Pandas, NumPy
• MySQL and PostgreSQL
• Docker, GitLab CI/CD, Git
• Desirable: GCP, and middleware such as Pub/Sub or Memcache

What You’ll Bring

• 5+ years’ professional experience writing production-grade Python
• Experience mentoring and/or managing small teams
• Strong knowledge of modern Python libraries, REST APIs and async patterns
• Experience with SQL and relational databases at scale
• A commitment to clean code, robust architecture and scalable systems
• Strong communication skills, comfortable both collaborating and taking ownership
• Experience in fast-paced product teams, ideally in SaaS or fintech
• Bonus: experience with GCP or a similar cloud-native environment