Principal Full Stack Engineer

Principal Full Stack Engineer

Full-Time 80000 - 100000 £ / year (est.) No working from home possible
BrightBox Group

At a Glance

  • Tasks: Lead the design and delivery of a cloud-native SaaS platform in finance.
  • Company: Join a forward-thinking company in the financial services sector.
  • Benefits: Flexible hybrid work, competitive pay, and opportunities for mentorship.
  • Other info: Exciting role with potential for career growth in a dynamic environment.
  • Why this job: Make a real impact while working with cutting-edge technologies.
  • Qualifications: Strong skills in TypeScript, React, and Golang; leadership experience required.

The predicted salary is between 80000 - 100000 £ per year.

We are looking for a Principal Full Stack Engineer to lead the design and delivery of a cloud‑native SaaS platform within the financial services sector. This is a hands‑on technical leadership role, combining architecture, development, and team mentorship across a modern TypeScript/React and Golang technology stack.

Key Responsibilities

  • Lead architecture and development across React/TypeScript front end and Golang backend services.
  • Define API, application, and microservices design standards.
  • Drive engineering best practices, code quality, testing, and CI/CD.
  • Mentor engineers and provide technical leadership across the delivery team.
  • Collaborate with product, architecture, cloud, and data teams to deliver scalable solutions.

Required Experience

  • Strong commercial experience with TypeScript, React, and Golang.
  • Experience with microservices, APIs, CI/CD, and modern engineering practices.
  • Previous technical leadership and mentoring experience.
  • Background in financial services, payments, banking, or regulated environments is advantageous.
  • gRPC or GraphQL.
  • Event‑driven architectures.
  • Regulatory or compliance‑focused delivery.

Principal Full Stack Engineer employer: BrightBox Group

As a Principal Full Stack Engineer at our company, you will thrive in a dynamic hybrid work environment that fosters innovation and collaboration. We prioritise employee growth through mentorship opportunities and a commitment to engineering excellence, all while working on cutting-edge technology within the financial services sector. Join us in London or remotely, and be part of a culture that values your contributions and supports your professional development.

BrightBox Group

Contact Details:

BrightBox Group Recruitment Team

We think you need these skills to ace Principal Full Stack Engineer

TypeScript
React
Golang
Microservices
API Design
CI/CD
Technical Leadership