Full-Stack Engineer: Build, Ship & Elevate UIs & APIs

Sharp End Partnership, Ltd.; Greater London; Hybrid; GBP 50,000 - 75,000; Full time

Job summary

Sharp End Partnership, Ltd. is hiring a mid-level Full-Stack Developer to join the studio’s engineering team. You’ll split time between frontend and backend work, turning high-fidelity concepts into real products across web and mobile platforms. You’ll ensure quality, maintainability, and design alignment as projects scale.

You’ll build features, refactor code, and contribute to APIs, tests, and the design system while collaborating with designers through Figma handoffs and reviews.

Qualifications

• Experience building full-stack web apps with frontend and backend.
• Proficient in Express and/or Next.js for APIs.
• Strong CSS skills and responsive UI development.
• Experience with SQL/NoSQL databases.
• Ability to write automated tests (Jest, Cypress).

Responsibilities

• Build and ship features across client and internal products.
• Refactor and improve existing codebases across the studio’s project portfolio.
• Design and build APIs using Express and/or Next.js (API routes and server actions).
• Handle data modelling, authentication, and integration with third-party services.
• Work with a combination of SQL and NoSQL database solutions.
• Write and maintain automated tests (Jest, Cypress, etc.).
• Contribute to the design system and standards across projects.

Skills

Express/Next.js

Data modelling

Authentication

Tailwind CSS

REST/GraphQL

Web accessibility

Jest/Cypress tests

UI/UX collaboration

Tools

Express

Next.js

GraphQL

REST APIs

Job description

Sharp End Partnership, Ltd. is hiring a mid-level Full-Stack Developer to join the studio’s engineering team. You’ll split time between frontend and backend work, turning high-fidelity concepts into real products across web and mobile platforms. You’ll ensure quality, maintainability, and design alignment as projects scale.

You’ll build features, refactor code, and contribute to APIs, tests, and the design system while collaborating with designers through Figma handoffs and reviews.