Lead Full-Stack Developer at The Gym Group | England | Rezi

Lead Full-Stack Developer at The Gym Group

Lead Full-Stack Developer

The Gym Group · England

1 weeks ago

Lead Full-Stack Developer

The Gym Group · England

9 days ago
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About the Role

This is a technical leadership role with real influence over how The Gym Group builds and evolves its digital platforms at scale. You will lead full-stack development across multiple value streams, mentor a talented engineering team, and set the technical direction for a modern Azure-based stack.

Responsibilities

  • Leading full-stack development across value streams, owning technical quality, delivery outcomes, and team capability growth
  • Setting technical direction across the stack, making pragmatic trade-offs on things like SSR versus client rendering, API design, and architecture patterns with maintainability in mind
  • Contributing to low-level solution design alongside the Architecture team, helping turn complex technical requirements into clear, deliverable plans
  • Mentoring developers, building a strong team culture, and actively supporting the professional growth of engineers
  • Defining and governing the use of AI-assisted development tools across the team, including setting guardrails and identifying genuinely high-leverage opportunities
  • Designing and managing Azure cloud infrastructure using Kubernetes, Service Bus, APIM, and Key Vault, with IaC via Terraform or Pulumi
  • Driving adoption of software engineering best practices including TDD, SOLID principles, event-driven architecture, and DevSecOps
  • Collaborating closely with Product, UI/UX, Architecture, and third-party engineering partners to deliver high-quality digital experiences

Requirements

  • Five or more years of commercial software development experience
  • At least two years in a lead or senior technical role
  • Hands-on full-stack expertise across React/Next.js and .NET Core
  • Proven experience with Azure cloud services and Infrastructure as Code (Terraform or Pulumi)
  • Familiarity with CI/CD tooling (Azure DevOps preferred) and containerisation with Docker
  • Strong grounding in software engineering best practices - TDD, BDD, SOLID, and architectural patterns such as event-driven and serverless
  • Ability to lead through influence and communicate clearly with both technical and non-technical audiences

Skills

  • React/Next.js
  • .NET Core
  • Azure cloud services
  • Infrastructure as Code
  • Terraform
  • Pulumi
  • CI/CD tooling
  • Azure DevOps
  • Docker
  • TDD
  • BDD
  • SOLID principles
  • Event-driven architecture
  • Serverless architecture
  • Kubernetes
  • Service Bus
  • APIM
  • Key Vault

Location

  • Hybrid

Work Type

  • Hybrid

Experience Level

  • Lead
  • Senior

About the Company

  • We're not like any other gym company; we are The Gym Group, a place where you can #BeYouWithUs and perform to your absolute best.
  • By membership we're the 2nd largest gym business in the UK and the 4th largest in Europe.
  • We hire people with real passion, positivity and enthusiasm which motivates and inspire those around them.
  • We actively invest in our employees; it's so important to us that our people can thrive in our environment and can make the most of the flexibility and support we offer to all of our teams.

Equal Opportunity

  • At The Gym Group we are committed to creating an inclusive environment where everyone feels welcome to be themselves.
  • We celebrate diversity and know that our teams are stronger for it.
  • We encourage applications from people of all backgrounds, identities and experiences - your perspective matters here.
  • We actively encourage applications from a diverse demographic and we are passionate about your culture and value alignment.