Fullstack Javascript Developer Jobs in UK

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C++/FPGA Developer – London

Salary: £200k + bonusSummaryThe positive feel of a start-up with the benefits that come with a more established player, this leading quant firm is looking for exceptional C++/FPGA engineers. This role will be working on a very successful HFT desk within an elite global team ...

AI Copilot Developer Lead

About the roleThis senior technical role leads the delivery of innovative, AI‑driven agentic and automation solutions that improve efficiency, strengthen decision‑making, and deliver positive outcomes across the council and its services. The postholder will oversee the end‑to‑end design, develop ...

Senior Front End Developer

Introduction: Founded in 1875, our long history has been built on innovation, craftsmanship and above all, incredible talent. Born from the adventurous spirit of our founder, Arthur Lasenby Liberty, we remain true to our heritage. From our fulfilment centres to our flagship store, pas ...

Quantitative Developer Energy London

Quantitative Developer - LNG - London THE ROLE We are seeking a highly skilled and motivated Quantitative Engineer with a focus on Commodities Trading, and ideally LNG .You will be part of a small but growing team where you will work dire ...

C# Developer (Quants, FX)

Job Description Considering applying for this job Do not delay, scroll down and make your application as soon as possible to avoid missing out.C# Developer6 Month ContractLocation: London (Hybrid) Lorien's UK leading Investment banking client are currently looking for a highly skilled C# ...

Lead Full Stack Developer

Lead Full Stack Developer (React | TypeScript | Java | Spring) | Leeds City Centre, 4 days p/week in office | £60,000 - £75,000 Find out more about this role by reading the information below, then apply to be considered.I'm currently partner ...

Lead Full Stack Developer

Lead Full Stack Developer (React | TypeScript | Java | Spring) | Leeds City Centre, 4 days p/week in office | £60,000Check all associated application documentation thoroughly before clicking on the apply button at the bottom of this description.- £75,000 I'm currently partnered with a global software pro ...

Salesforce Marketing Cloud Developer

SC Cleared / Clearable Salesforce Marketing Cloud DeveloperFind out if this opportunity is a good fit by reading all of the information that follows below.- 6 months- £600-700pd Inside IR35- London (1-2 days on site per month) Please note, you must either have Full UK Security Clearance (SC) or b ...

Salesforce Marketing Cloud Developer

SC Cleared / Clearable Salesforce Marketing Cloud Developer - 6 months+ - £600-700pd Inside IR35 - London (1-2 days on site per month) Please note, you must either have Full UK Security Clearance (SC) or be able to attain it to be eligible for this role. What you'll be doing: Design, ...

Quant Developer OTC Pricing

A high-growth institutional trading business in the digital assets market is expanding its London team and hiring a Quant Developer to join its OTC pricing function.Find out more about this role by reading the information below, then apply to be considered.This is a great opportunity to join a successful ...

Team Lead / Senior Developer

Job Title: Senior Technical Lead Pay of £75,026, plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. DWP. Digital with Purpose. Are you a technical lead with strong ServiceNow development expertise and solid knowledge of SecOps or ITSM frameworks and practices ...

Oracle Developer (CX Sales)

Job Description Increase your chances of an interview by reading the following overview of this role before making an application.Oracle Developer (CX Sales) Remote £65,000 - £70,000 + Training + Progression + Company Benefits Are you an experienced Oracle Developer looking ...

Senior Python/GenAI Developer

Job Description Role: Senior Python/GenAI Developer Location: Dublin (OR) Belfast (Hybrid - 3 Days In-Office) Role Type: Permanent / Full-Time (FTE) Our client is looking for a Senior GenAI Application Developer/ Engineer to join their global technology hub in Dublin. This is a hig ...

SQL Server Database Developer

Job Description Apply now, read the job details by scrolling down Double check you have the necessary skills before sending an application.Davies Turner is hiring a SQL Server Database Developer to join our IT Development team in Dartford. Location: Dartford, Kent (Hybrid working) <p ...

Senior .Net Developer Contract

Our client is at the forefront of delivering innovative, secure, and scalable solutions to millions of users worldwide.All candidates should make sure to read the following job description and information carefully before applying.Be part of a passionate team that's transforming how businesses and consum ...

Cloud Operations & Infrastructure Developer

Job Title: Cloud Operations & Infrastructure Developer Location: Derry/Londonderry or Cambridge, United Kingdom (Hybrid) Employment Type: Full-time The job As part of the Research and Development function, the global Cloud Operations & Infrastructure team combines software development and cloud operations to pro ...

Senior ServiceNow Developer (Contract)

ServiceNow Senior Developer Pay up to £73,205, plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. DWP. Digital with Purpose. We are looking for a ServiceNow Senior Developer in our product delivery unit, working on the largest government installation of Servi ...

Senior Project & Product Developer

Senior Product Developer Global Sportswear Brand Watford | £40,000£50,000 | Full-Time Ready to shape the next generation of sportswear collections for a globally recognised brand?Were looking for a commercially minded Senior Product Developer with strong apparel expertise across menswear and womenswea ...

Senior Salesforce Administrator/Developer

LSE is committed to building a diverse, equitable and truly inclusive university Make sure to read the full description below, and please apply immediately if you are confident you meet all the requirements.Academic Registrar’s Division Senior Salesforce Administrator/Developer ...

Senior BI Analyst/Developer

Rathbane Groupis a family-owned business with a strong reputation for delivering bespoke, high-end construction, marine out-fitting, manufacturing, and property projects across the UK and internationally.The Rathbane Group comprises four well-established construction and manufacturing businesses, MJM Marine, Miv ...

ServiceNow Developer (SC Cleared)

Network IT is currently recruiting for a ServiceNow Developer to join our client on a 6 month initial contract.A variety of soft skills and experience may be required for the following role Please ensure you check the overview below carefully.Please note, this is an SC Cleared role and you MUST hold a Br ...

Team Lead / Senior Developer

Job Title: Senior Technical Lead Pay of £75,026, plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. DWP. Digital with Purpose. Are you a technical lead with strong ServiceNow development expertise and solid knowledge of SecOps or ITSM frameworks and practices ...

Back End Developer (.NET)

Posted On: 15th July 2024 Portfolio are proud to be exclusively representing an award-wining, Software provider based in the heart of Manchester, providing people solutions to over 50,000 clients worldwide. In this role our client is looking for a candidate that possess an ability to work in ...

Senior Full Stack Developer

DescriptionAuditors and accountants spend too much time on repetitive, manual work. We are building tools to change that. Our products enable practitioners to focus on what matters most: delivering data-driven insight, identifying risk, and providing high-quality advice through accessible analytics ...

OutSystems Developer (SC Clearable)

Job Description The team you'll be working with: As part of our continuous growth, we are looking for an Outsystems Developer to join our Customer Engagement team in London. During your time with us you will be exposed to a broad and interesting range of projec ...

Principal Java Developer Consultancy

Principal Java Developer / Software Engineer (Java SpringBoot AWS) London / WFH to £120kAre you an experienced Java Developer, with technical project leadership and client facing skills?You could be progressing your career at a global technology consultancy.What's in it for you: ...

Senior Software QA Developer

Senior Software QA DeveloperAt Oxford Instruments Andor, we are devoted to accelerating the greatest scientific advancements of our age. It matters to us that the products we develop make a real difference to our customers and contribute significantly to their research. We want to deliver differ ...

Project Manager Commercial Developer

Company DescriptionAt Turner & Townsend we are passionate about making a difference. That means delivering better outcomes for our clients, helping our people to realise their potential, and doing our part to create a prosperous society.For over 75 years we have been helping ...

Product Developer/Garment Technologist

Job description:Role - Product Developer/Garment TechnologistDFYNE HQ, 1 Forrest Gate, Uddingston, G71 5PGWorking Location: OnsiteAbout You:Do you love making people feel incredible? Get excited when you ...

Lead Java Developer (VP)

Discover your future at CitiWorking at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.Job O ...

Android Developer Tesco Mobile

Tesco UK • Slough • Apply by 24-May-2025 About the role As an Android Developer, you'll be at the forefront of our Engineering chapter, working alongside other dedicated Developers and Software/QA Engineers. At Tesco Mobile, we empower our customers to seamlessly manage their products and services through na ...

Senior Front End Developer

You will be joining a team of talented developers that have a strong focus on customer centricity. You will get a chance to apply your knowledge and skills in both Greenfield and ongoing projects in an Agile environment that will enable the group to provide delightful betting experiences to our va ...

Back End Software Developer

Description Back End Software Developer – Fully Remote Working – Salary – £50 – £65k (Negotiable) – Permanent A very exciting opportunity for experienced Back End / Azure Focussed Software Developers to work with one of the UK’s Top 50 scalable Tech Business’s operating in t ...

IT Support / Junior Developer

Job DetailsUpdated: Mon, Oct 13, 2025 3:34 PM IT Support / Junior DeveloperSalary: £25,000 – £35,000 (dependent on experience)Location: Kings Hill (Office-based)Are you tech-savvy, people-focused, and eager to grow your development skills?We’re looking for an ...

Cost Planner (Residential Developer)

We are supporting the London business of a Top Tier National Residential Developer with a growing precon team. They have a focus on large scale London regeneration schemes in partnership with RP’s and Local /Nationalernment. They are looking for a Cost Planner to join and work with an established and experienced ...

Contract Developer Hospital Construction

Job DescriptionTo support the delivery of contract management activities across a major health programme, focusing on the formation and administration of NEC4 ECC contracts under the H2A Alliance. The role will contribute to the development of systems, processes, and performance frameworks, and prov ...

C++/FPGA Developer – London

Salary: £200k + bonusSummaryThe positive feel of a start-up with the benefits that come with a more established player, this leading quant firm is looking for exceptional C++/FPGA engineers. This role will be working on a very successful HFT desk within an elite global team ...

Machine Learning Developer (Freelance)

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employme ...

Axiom Business Analyst / Developer

OverviewWe are seeking an experienced AxiomSL Business Analyst or Axiom Developer to support international regulatory reporting change, with a strong focus on APAC requirements. The role sits within the International Controllers change team and contributes to both regulatory delivery and the strategic Axi ...

Java Developer (SC Cleared)

Java Developer (SC Cleared) Location: Remote Security Clearance: SC Clearance The Company:  At Amber Labs, we are a cutting-edge UK and European tec ...

Summer Internship – Software Developer

The summer internship is for university students who are in their penultimate year. Working alongside our Software Developers you’ll get the opportunity to work on exciting new projects, developing cutting-edge software. Our interns typically join us for 8 to 12 weeks but we are flexible on duration and start ...

Senior Tools Developer/Lead

The Role Job Description We are looking for a hardworking software engineer with proven understanding of Java or modern C++, to join our Streamline developer tools team. Streamline touches all layers of the software stack, collecting performance d ...

SSIS Developer / ETL Specialist

Job Title: SSIS Developer / ETL SpecialistRole OverviewThe SSIS Developer will design, develop, and maintain ETL workflows using SQL Server Integration Services (SSIS) to support data integration, transformation, and loading processes for enterprise data solutions.<s ...

Python Developer – Data Analytics

Required skills Python, Pandas, Numpy, Scipy, Cython, Sympy, Scikit-learn, Matplotlib, Jupiter, Statistics, Probability, Data Science, Machine Learning, NLP You will be at the forefront of a data-driven initiative to optimise decision making across multiple asset classes and tradin ...

Java Full Stack Developer

About the Job you are considering:We are seeking an experienced Java / Angular to join our technology team and contribute to the design, development, and delivery of modern, scalable systems. The role involves working on microservice-based architectures, event-driven solutions, and user-facing a ...

Senior Front End Developer

This scientific and engineering software provider is seeking senior front-end developers to help guide their transition from a desktop-based ecosystem towards a modern web-native experience. This will include strategic and architectural problem solving as well as hands-on coding. You will be working alongside ...

IntelliMatch Developer (Mid Senior)

ABOUT THE COMPANY: Join ADDENDUM, a global software development and IT team augmentation firm focusing on fintech, banking, and telco industries. Experience tailored benefits, diverse projects with various tech stacks, and opportunities for growth, freedom, and responsibility you desir ...

Front End Web Developer

We are looking for an experienced front-end web developer to join our growing engineering organization (headquartered in Reigate, ~300 engineers) developing a wide range of market leading InsurTech solutions. You will join us at an exciting time as we focus increasingly on cloud/SaaS solutions, upgrading exis ...

Senior Rates Developer Java

DescriptionLocation: London, HybridRole Type: 12 Month ContractRate: £800 - £900 per dayDelta Capita is seeking a highly skilled Senior Rates Developer to join our Global Markets Technology practice. This role sits within a specialist team respons ...

Senior Full Stack Developer

About CloudOps CloudOps is a cloud consulting, managed services, and software company focused on open source, cloud native platforms, networking, and DevOps. Our purpose is to ensure our customers own their destiny in the cloud™; meaning that we help our customers leverage the flexibility of the cloud wh ...

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    Fullstack Javascript Developer Jobs in United Kingdom Job Search Guide, Trends and Insights