Javascript jobs in United Kingdom
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Senior Full Stack Engineer
Job summary
A tech consultancy is looking for a Senior Full Stack JavaScript Consultant based in Leeds. This hybrid role involves building modern applications and collaborating with clients to deliver quality solutions. The candidate should have strong JavaScript/TypeScript experience, along with a solid background in front-end frameworks like React and back-end technologies such as Node.js. Additional experience with cloud platforms and REST APIs is required. The position is ideal for engineers who excel in agile environments and enjoy mentoring juniors.
Benefits
Qualifications
- Strong commercial experience with JavaScript/TypeScript.
- Experience with front end frameworks, preferably React.
- Back end experience with Node.js and related frameworks.
Responsibilities
- Build and maintain full stack JavaScript applications.
- Deliver high-quality production-ready code across front and Back End.
- Collaborate with clients to understand requirements and propose solutions.
- Contribute to architectural and design discussions.
- Promote best practices in testing, performance, and maintainability.
Skills
Tools
Senior Full Stack JavaScript Consultant
Location: Leeds (Hybrid - 2 days on-site)
Salary: Up to £80k + Benefits
We're looking for a Senior Full Stack JavaScript Consultant to join a Leeds-based tech consultancy delivering modern, scalable applications for a variety of clients. You'll be a key contributor on projects, taking ownership of complex features, influencing technical decisions, and working closely with clients to deliver high-quality outcomes. This role is ideal for a strong hands-on engineer who enjoys solving problems, writing excellent code, and contributing to technical direction without full delivery ownership.
- Build and maintain full stack JavaScript applications
- Deliver high-quality, production-ready code across front and Back End
- Collaborate with clients to understand requirements and propose solutions
- Contribute to architectural and design discussions
- Promote best practices around testing, performance, and maintainability
- Work within agile, cross-functional delivery teams
- Mentor junior engineers informally through code reviews and pairing
- Strong commercial experience with JavaScript/TypeScript
- Front End experience with React (or similar frameworks)
- Back End experience with Node.js (Express, NestJS, etc.)
- Must have experience with cloud platforms (AWS, GCP or Azure)
- Experience building and consuming REST APIs
- Solid understanding of modern engineering practices
- Experience working in agile or consultancy environments
- Microservices or serverless architectures
- CI/CD pipelines and DevOps tooling
- Experience working directly with clients or stakeholders
We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age.
* The salary benchmark is based on the target salaries of market leaders in their relevant sectors. It is intended to serve as a guide to help Premium Members assess open positions and to help in salary negotiations. The salary benchmark is not provided directly by the company, which could be significantly higher or lower.