lead javascript engineer jobs in Cardiff

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.

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

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

Job Description 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...

Job Description 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...

You will collaborate closely with cross-functional teams, including product management and UX/UI, to ensure that our software solutions meet business and customer needs.

You will be responsible for driving culture through your craft and be keen to take on line management responsibilities.

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.

Job Description 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...

Job Description 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...

Lead Security Engineer Permanent - £65k - £75k + strong benefits Location: Hybrid - Cardiff Your new company I am looking to recruit a skilled Lead Security Engineer to join a growing financial services organisation in Cardiff. The company has strong benefits, a great culture, and are at a good stage in their journey. This role is hybrid, looking at 2-3 days a week, so you will need to be...

Job Description Playrix — одна из самых успешных компаний по разработке мобильных игр в мире. По доходам среди всех мобильных приложений мы входим в топ-3 в мире, а в Европе мы первые. Наши игры установили 2,3 миллиарда раз (треть населения Земли), каждый день в них играет более 30 миллионов людей по всему миру! У нас большие планы на развитие и рост наших проектов, именно поэтому мы ищем...

Job Description Lead Electrical Protection Engineer 6 month contract initially Inside IR35 – Remote working 40 hours per week Job Summary: The preferred candidate is responsible for design preparation based on customer specification, conduct engineering activities from design stage until site commissioning and acts as a technical interface between customer and technical community. In-depth...

You will be an experienced Quality professional from a manufacturing or automotive supply-chain environment, confident working cross-functionally and dealing directly with customers. Essential Experience & Qualifications - HNC / HND qualified (or equivalent) - 5–7 years’ experience within certified management systems (ISO / IATF 16949)

Contract Lead MLOPS Engineer (SC Clearance Required) Below, you will find a complete breakdown of everything required of potential candidates, as well as how to apply Good luck. Duration - 6 months Outside IR35 - Competitive Market Rate Fully Remote - Must be UK based + SC cleared Fruition Group are representing a boutique technology consultancy who are specialist at delivering cutting edge...

Job Description A fantastic opportunity has arisen for a Systems Engineering Lead to join a specialist Systems Engineering function supporting complex, multi-national defence programmes. This role performs the duties of a senior technical lead position and works closely with programme leadership and engineering stakeholders across the wider organisation. Key Responsibilities: - Promote,...

Job Description Head/Lead Mechanical Engineer - London - Tech Innovation We're partnered with one of the most innovative tech communications organisations in London, who rarely hire at this senior level. They are expanding globally and are looking to bring in an elite Head/Lead Mechanical Engineer to take full ownership and authority of their designs from concept through to delivery. This is a...

Job Description 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...

You will collaborate closely with cross-f...

Lead Security Engineer Permanent - £65k - £75k + strong benefits Location: Hybrid - Cardiff Your new company I am looking to recruit a skilled Lead Security Engineer to join a growing financial services organisation in Cardiff. The company has strong benefits, a great culture, and are at a good stage in their journey. This role is hybrid, looking at 2-3 days a week, so you will need to be...

Job Description Lead Platform Engineer London / WFH to £150k Are you a platform engineering technologist with start-up experience and a first class education looking for a new opportunity? You could be joining a small Fintech start-up run by small, successful and proven team of finance technology entrepreneurs, backed by Silicon Valley investors, as they build out the product, currently in...