lead javascript developer jobs in Leeds

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can make a real impact...

About Us: We're a forward-thinking technology company building innovative web solutions using modern development practices. Our team values continuous learning, collaboration, and cutting-edge technology to create exceptional digital experiences. Position Summary: We're seeking an enthusiastic Entry-Level JavaScript Developer to join our dynamic team on a contract basis. This is an excellent...

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. In all...

You will be a great fit if you: - Have 5+ years full-stack experience, with strong JavaScript/TypeScript depth. - Are backend-leaning, with deep Node. js and API experience. - Have previously worked in early-stage start-ups or very lean engineering teams. - Have extensive evidence of being a hands-on individual contributor in complex codebases.

Job Description Closing Date:04/02/2026 Working Hours:37.5 Package Description Alongside a competitive salary of £55,000-£65,000 DOE you will also receive: - Discretionary on-target bonus of 10%. Up to a max 20% based on performance - 11% pension contribution (3% from you, 8% from us optional additional matched 3% contributions, e.g. 6% from you, 11% from us) - 25 days annual leave. Flexible...

Closing Date: 04/02/2026 Working Hours: 37.5 Package Description Alongside a competitive salary of £55,000-£65,000 DOE you will also receive: Discretionary on-target bonus of 10%. Up to a max 20% based on performance 11% pension contribution (3% from you, 8% from us optional additional matched 3% contributions, e.g. 6% from you, 11% from us) 25 days annual leave. Flexible public holidays and...

You will be expected to: ● Develop new features working with the data science ● Develop bug fixes and security patches promptly

You must be able to demonstrate the following: ● 6+ years experience full-stack development ● High proficiency with Typescript, React, Next, Azure, Pulumi and Node

Planning and Commercial Development Lead Alongside a competitive salary of £55,000-£65,000 DOE you will also receive: * Discretionary on-target bonus of 10%. Up to a max 20% based on performance * 11% pension contribution (3% from you, 8% from us – optional additional matched 3% contributions, e.g. 6% from you, 11% from us) * 25 days annual leave. Flexible public holidays and option to...

We are currently partnering with a market-leading Insurance company, to recruit a Business Development Lead. This role serves as the local partnerships "hunter" for a specific geography, responsible for developing and delivering the local partnership pipeline in line with the wider Wholesale strategy. Responsibilities include but are not limited to: - Manage the full business development...

Lead Fullstack Engineer Key skills - Node, TypeScript, AWS, JavaScript Read on to fully understand what this job requires in terms of skills and experience If you are a good match, make an application. Location: Remote - 1 day a month in the office near Leeds. Are you a developer who loves solving complex technical challenges, designing elegant systems, and leading a small, high-performing...

About Us We are a fast-growing fintech company building modern, scalable platforms that power real-world financial products. Our engineering culture values clean architecture, strong ownership, and pragmatic innovation. We operate in a cloud-native, microservices environment and invest heavily in frontend quality, design systems, and developer experience. The Role As a Lead Fullstack Engineer,...

You will tackle technical challenges that bridge software engineering with real-world manufacturing processes. This role blends hands-on technical expertise with leadership responsibilities, offering both team mentorship and active involvement in architecture, design, process improvement, and code review.

Lead Developer London - Hybrid 1/2 days in office £85,000 - £100,000 About Simmer We're Simmer Eats, one of Europe's fastest-growing food brands. We've grown 10x in the last year, and we're building the next phase of scale on a modern commerce and technology stack. Our mission is simple: make healthy eating effortless. High-protein, great-tasting meals delivered straight to customers' doors,...

Lead Fullstack Engineer Key skills - Node, TypeScript, AWS, JavaScript Location: Remote - 1 day a month in the office near Leeds. Are you a developer who loves solving complex technical challenges, designing elegant systems, and leading a small, high-performing team? Here's your chance to shape the next generation of a major digital platform. What you'll do: * Lead software projects from concept...

A bit about us: At Pure, we're passionate about transforming dogs' lives through better nutrition. Born from a friendship between two dog-loving friends and a shared vision, we've grown into something truly special - a UK-based company that's leading the pack in healthy, tailored dog nutrition. We're not just another pet food company – we put paws and people first with dogs and their owners...

About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‐first, often highly complex software. Our engineers pair forward‐thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‐standing third‐party clients, we're scaling our own SaaS product—Spark...

About Aero A digital experience company, we sit at the intersection of insights, creativity and technology, crafting digital experiences that transform business performance. We’re a small, fully remote team with big ambitions. We work hands-on with our clients, giving our teams genuine ownership of their work. Every project you touch will be seen by thousands of people and will directly...

UX/UI + Frontend Developer Thursday Salary: £40-£50K Thursday is a singles IRL events company that organises singles events, trips, dinners, activities, education and media. We're building technology to scale our operations and enhance the experience for our members. We value equality and inclusion as core principles - our diverse audience deserves technology that serves everyone well, and...

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. In all teams we...

Senior QA Engineer / Team Lead (C# .Net AWS) London / WFH to £100k Do you have expertise with Test Automation combined with leadership skills? You could be joining a growing and profitable scale-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression. As a Senior QA Engineer / Team Lead you will lead the transformation of...