Leeds Studio 3, Daniel House, Percy Street Leeds LS12 1EL
Senior Full Stack Engineer 2025-07-22 Senior Full Stack Engineer – .NET & React Greenfield build. Modern stack. Enterprise scale. Join a global enterprise organisation as they reimagine one of their flagship platforms—starting from the ground up. This is a unique opportunity for a Senior Full Stack Engineer to work across .NET 8 and React in a fully greenfield environment, with modern DevOps tooling and AWS infrastructure. You’ll design clean APIs, build scalable services, and help shape how the product is engineered across the stack. With no legacy code, this is a perfect role for someone who loves working with up-to-date technologies and delivering elegant, cloud-first solutions. You’ll collaborate within a high-performing team, enjoy technical autonomy, and be part of a long-term roadmap focused on innovation - not firefighting. Hybrid setup (Maximum of 2 days in-office in Manchester or Leeds). Up to £70,000. UK-based only. No sponsorship provided. Daniel James Resourcing 2025-08-22

Senior Full Stack Engineer.

Manchester / permanent /£60,000 - 70,000 Per annum

Daniel Whiteman
daniel@wearedjr.com
+44 (0)7897 038 036

60000 YEAR

£60,000 - 70,000 Per annum

GBP

permanent

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Senior Full Stack Engineer – (.NET & React)

Location: Manchester or Leeds (Hybrid – 2 days in-office)
Salary: Up to £70,000
Eligibility: UK-based candidates only. Sponsorship is not available.
Project Type: Greenfield


We’re hiring for a Senior Full Stack Engineer to work on a major greenfield digital platform build for a globally recognised enterprise organisation. You’ll play a key role in shaping how core systems are rebuilt and scaled using the latest in .NET and React technologies.

This is a high-impact, high-visibility role ideal for engineers who enjoy working across the stack and want to be part of a team building something new - with no legacy constraints.

What You’ll Be Doing

  • Designing and delivering performant backend APIs in .NET 6/8.

  • Building engaging, responsive UIs using modern React.

  • Working closely with cross-functional product teams.

  • Taking ownership of technical implementation and clean code practices.

  • Supporting the adoption of modern DevOps and cloud tooling.

What We’re Looking For

  • Strong commercial experience with C# (.NET 6 or 8) and React.

  • Background in developing RESTful services and front-end interfaces.

  • Experience working in cloud-first environments (AWS preferred).

  • Familiarity with IaC and modern deployment pipelines.

  • Passion for clean code, security, and scalability.

Tech Stack

  • Backend: .NET 6/8, AWS, Terraform, DynamoDB

  • Frontend: React, TypeScript

  • Infrastructure & Messaging: EventBridge, SNS/SQS

  • CI/CD: GitHub Actions

  • Testing: Playwright, K6


Why Apply?

  • True greenfield engineering challenge—no legacy constraints.

  • Flexible hybrid working with offices in Manchester or Leeds.

  • Flat structure, supportive leadership, and meaningful autonomy.

  • Long-term transformation roadmap with consistent investment.


Senior Front-End Engineer – React

Location: Manchester or Leeds (Hybrid – 2 days in-office)
Salary: Up to £70,000
Eligibility: UK-based candidates only. Sponsorship is not available.
Project Type: Greenfield


We’re seeking a Senior Front-End Engineer to help build a new, enterprise-level platform with React at its core. Working as part of a cross-functional team, you’ll own the creation of clean, scalable, and engaging UIs that define the user experience of a high-impact, high-visibility product.

This is a chance to work on a greenfield build - crafting elegant interfaces, shaping front-end architecture, and helping influence product direction.

What You’ll Be Doing

  • Leading front-end development within a high-performing product team.

  • Building robust and scalable components in React and TypeScript.

  • Translating design into responsive, production-quality interfaces.

  • Driving front-end standards and ensuring maintainability across the codebase.

  • Working closely with backend, DevOps, and product to deliver full end-to-end features.

What We’re Looking For

  • Proven experience delivering commercial React applications at scale.

  • Solid knowledge of JavaScript (ES6+), TypeScript, HTML5, CSS3.

  • Experience integrating with RESTful APIs.

  • Cloud experience is essential (preferably Azure, AWS exposure a plus).

  • Bonus points for exposure to Next.js, GraphQL, or CI/CD practices.

Tech Stack

  • React, TypeScript, Redux, REST APIs

  • HTML5, CSS3, Responsive Design

  • Cloud: Azure (with transition into AWS)

  • DevOps: Git, GitHub Actions, A/B Testing tools


Why Apply?

  • Work on a clean-slate platform with no legacy drag.

  • Influence the shape of front-end architecture from day one.

  • Flexible hybrid working with offices in Manchester or Leeds.

  • Be part of a wider enterprise tech transformation journey.