Senior Full Stack Engineer (Developer) at Tapi, London, £Contract Rate

Contract Description

Job details

Posted 14 May 2026
Salary Competitive
LocationLondon
Job type Fixed Term Full-Time
DisciplineTapi Central Roles
Reference003142

Senior Full Stack Engineer (Developer)

London Bridge /Hybrid (1–2 days per week in the office)

6 month contract


We’re looking for a Senior Full Stack Engineer to help build and evolve the digital platforms that power customer journeys, e-commerce and operational systems across Tapi.

This is a hands-on engineering role within a growing product and technology team, focused on delivering scalable, high-performing applications that make a measurable impact on both customer experience and commercial performance.

You’ll work across end-to-end delivery, from understanding user and business problems through to designing, building and improving scalable solutions using React, C# .NET and Microsoft Azure. We’re looking for someone who takes real pride in the products they build, understands the impact of engineering decisions and enjoys solving problems within a product-led environment.


What You’ll Be Doing

  • Designing, building and supporting scalable applications using React, C# .NET and Microsoft Azure
  • Delivering end-to-end features across front-end applications, APIs and backend services
  • Building digital products and e-commerce experiences used by customers and colleagues across the business
  • Working closely with Product Managers, Designers and stakeholders to understand business needs and translate them into effective technical solutions
  • Writing clean, maintainable and well-tested code
  • Improving application performance, scalability, resilience and user experience
  • Contributing to CI/CD pipelines, DevOps practices and engineering standards
  • Supporting platform modernisation and continuous improvement across the technology estate
  • Collaborating with engineers across the team to solve problems, share knowledge and improve ways of working

Skills & Experience

Essential

  • Strong commercial experience in full stack software engineering

  • Strong experience with:

  • React (TypeScript preferred)

  • C# / .NET Core / .NET 6+

  • Microsoft Azure

  • Experience building and supporting e-commerce, digital or product platforms

  • Good understanding of APIs, microservices and distributed systems

  • Experience with CI/CD pipelines, DevOps practices and cloud infrastructure

  • Experience improving application performance and user experience

  • Strong understanding of software engineering principles and design patterns

  • Experience working within agile, product-led environments

Desirable

  • Experience with headless or composable e-commerce architectures
  • Familiarity with event-driven architecture
  • Experience integrating with payments, search or marketing platforms
  • Exposure to analytics, experimentation or A/B testing
  • Interest in AI-assisted engineering, automation or modern developer tooling

What We’re Looking For

We’re looking for someone who:

  • Understands how engineering decisions impact customers, colleagues and commercial outcomes
  • Enjoys building products, not just writing code
  • Takes ownership and pride in delivering high-quality solutions
  • Thinks end-to-end about user experience and product outcomes
  • Communicates well and collaborates effectively with technical and non-technical teams
  • Brings curiosity, pragmatism and a continuous improvement mindset

Why Join Tapi?


Technology is a key part of Tapi’s growth journey, and you’ll be joining during an exciting phase of transformation and investment. You’ll have the opportunity to work on modern platforms, contribute to meaningful digital change and help shape products that make a real difference across the business and customer experience.


If you’re looking for a role where you can build impactful products, work across modern technologies and be part of a collaborative engineering environment, we’d love to hear from you.


INDHP