Fullstack Javascript Developer Jobs in UK

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Full Stack Software Developer

Full Stack Software Engineer, £50-85k, 3 days per week in London - Ground-breaking Fitness tech!About UsMAGIC AI is an elegant in-home health coach that utilises computer vision, connected weights, and 3D cameras to provide personalised training s ...

Senior Software Developer (C#)

At Oxford Instruments, Materials Analysis we are looking for a Senior Software Developer, with experience in C#. In this role, you will also be responsible for a small team of developers. At Oxford Instruments, Materials Analysis, you’ll be creating the high‑performance software that powers groundbreaking ...

Device Simulation Software Developer

Job Details Job Location Europe - St Ives, CambridgeshireRemote Type Optional Work from HomePosition Type Full TimeSalary Range Description Job Summary Silvaco is looking for a software engineer to join our device simulation team in one of ...

SQL & PowerApps Developer

Location: Boundary Road, Lytham (Onsite)Department: ITHours: 40 hours per week, Monday–Friday (7am–7pm on a departmental rota basis)Reporting to: Director of ITUp to 55k dependant on experience | Onsite Lytham St Annes | Fu ...

Numerics PDE Software Developer

Job Details Job Location Europe - St Ives, CambridgeshireRemote Type Optional Work from HomePosition Type Full Time Description JOB SUMMARY Silvaco is looking for a software developer to join our Numerics team. Working at the very center of ...

Senior Java Developer (AVP)

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 ...

Software Developer Market Access

Position Overview:As a Market Access Developer, you will be responsible for designing, implementing, and maintaining high-performance, low-latency C++ applications for electronic trading, including order routing and market data processing across various exchanges using specialized protocols.<b ...

C++ RF Tool Developer

C++ Tools Engineer - Reading - Leading Communications Company! This is a new opportunity to work with a leader in 5G/ 4G Celluar IoT Connectivity Solutions based in Reading. As a Software Engineer, you will be at the center of a company whose expertise is focused entirely on IoT ...

Senior Power BI Developer

Mace combines construction expertise with consultancy to unlock potential in every person or project and redefine the boundaries of ambition. Our values shape the way we consult and define the people we want to join us on our journey.As a senior Power BI developer, you will be expected to work with Mic ...

Senior Back End Developer

Robert Half have partnered with a high growth sports manufacturing organisation based in London who are looking to engage an experienced Senior Backend Engineer to support the evolution of a live, transaction‑driven platform as it scales internationally.This is an initial 6‑month, Inside IR ...

Power Markets Analytics Developer

Power Markets Analytics Developer London or Edinburgh | Hybrid⚡ Wholesale | Balancing | Ancillary Services Build the tools that traders actually rely on. We're partnering with a mark ...

TypeScript Developer React FinTech

TypeScript Developer / Front End Engineer (TypeScript React) *Newcastle onsite* to £120kDo you have a first class education combined with commercial TypeScript and React skills?You could be progressing your career at a start-up Investment Management firm that have secure backing and an es ...

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 ...

Technical Lead Software Developer

Our client is a globally recognised organisation with a dedicated innovation function responsible for building cutting‑edge applications that transform the working lives of finance and tax professionals. Their mission is to rapidly prototype ideas, gather meaningful user feedback and scale the solution ...

Front End Web Developer

You will join our existing team of front end developers and work on a diverse range of web sites each with differing client needs. Your role will involve installing and configuring our own eCommerce and CMS systems and bringing our design team's designs to life. You should have a sound knowledge and a desire ...

.NET Developer (AI Projects)

We’re a digital insurance provider with ambitious plans to become The Best and Biggest in the UK market. Over the past few years, we've made significant investments in our data and tech capabilities, particularly within our CIO function. Our CIO team is at the forefront of driving innovation and ensuri ...

Assessment Developer (Design) (VA292)

Assessment Developer (Design) Job Description​​Permanent Full-timeLocation: Remote, UKReports to: Lead Assessment Developer/Assessment ManagerSalary: £30,000 - £36,000Line management respo ...

Software Developer (Azure &.Net)

11540SR3£55k – 60k per yearSoftware Developer (Azure & .NET)Portsmouth, Hampshire | 2 days per week on-site | Up to £60k per annumWe’re working with an innovative client seeking an experienced Cloud Engineer with a strong background in Azure and .NET technologies. This ro ...

Junior Data & BI Developer

*Please complete the application form sent to your email post application to be considered for this position*Looking for a role where you are responsible for converting raw data into visually compelling reports? Are you a resilient and adaptable worker? If so, we have an opportunity for a ...

Senior Magento Software Developer

Senior Magento Software Developer Sounds good, doesn't it? About the Role We are currently seeking a Senior Magento Software Developer to join our established Magento Software Engineering team.This role would be suitable for a ca ...

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 ...

LLM Specialist / AI Developer

The LLM Specialist builds AI components embedded within the workflow platform. Initial use cases include intelligent extraction of customer data from inbound communications and Copilot-style assistance integrated across the workflow journey.<span sty ...

Full Stack.Net Software Developer

Job Description Full Stack Dot Net Software DeveloperOur Client is an established leader in the travel industry.They are looking to recruit a full stack Dot Net Software Developer to work on a major transformation programme for this award-winning Luxury Travel ...

Middle .Net Developer (Betting)

WE ARE Opinov8 is a technology service provider, with an Opinion in Innovation , we engage with our clients at any stage in their product engineering and innovation goals, with solutions being mainly collaborative and outcome-driven. We are driven by delivering value , for our clients, th ...

Front End Web Developer

We’re Civica and we make software that helps deliver critical services for citizens all around the world. From local to state government, to education, to health and care, over 5,000 public bodies across the globe use our software to help provide critical services to over 100 million citizens. Our aspi ...

Java Developer x 2

I am currently working with a London-based financial services client who are actively multiple a senior Java Developers to work on a brand-new business-critical project.What you'll need to succeed : 5+ years' Java Development experience in financial services. Strong experience ...

.NET Developer (AI Projects)

We’re a digital insurance provider with ambitious plans to become The Best and Biggest in the UK market. Over the past few years, we've made significant investments in our data and tech capabilities, particularly within our CIO function. Our CIO team is at the forefront of driving innovation and ensuri ...

Own Brand Product Developer

Drive intake margin improvement through garment engineering and appropriate fabric selection and utilisation to ensure best possible prices without compromi ...

Power Market Analytics Developer

What will you be doing?Your work will combine software development, market analysis and product thinking.You will play an active role in shaping the future direction of Enact, our short-term power markets analytics and visualisation platform. This includes:Designing, coding ...

Contract Embedded Linux Developer

Contract Embedded Linux Developer - 6 months - Outside IR35 - Hybrid Working IC Resources is working with a long-term client of ours that have tasked me with finding them an experienced Embedded Linux developer to join their team ASAP to develop a new Ethernet Switch . As the right engineer ...

Senior Software Developer, Verification

Job DescriptionAs a Senior Software Developer, you will be experienced and passionate to join our dedicated Verification team as we embark on a ground up re-architecture.Within the Verification team, you will be developing, enhancing, and supporting our business-critical Verification platform ...

Front End Developer Midweight

We are an award-winning company, still just 7 years old, but growing with over 30 full time staff, who all want to develop great technology for us to use. Our work involves charities, financial institutions and the public services ...

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 ...

Senior Power Platform Developer

Job DescriptionSenior Power Platform Developer required. Our client is a dynamic financial service company that emphasises a customer centred experience. Listed on the AIM on the London Stock Exchange. They focus on multi-jurisdictional financial services with offices in Malta, Gibraltar, ...

Software Developer Finance Technology

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth a ...

Senior Front Office Developer

Description :What we doThe Front Office Delivery IT team looks after the Traders, Originators and Analysts bespoke IT requirements. We provide a wide range of solutions for both commercial Decision Support and more tradition ‘IT’ based activities, such as interfacing with th ...

Python Full Stack Developer

Job Title: Python Full Stack Developer Location: London, UK (Hybrid) Job Type: Permanent Job Description: <strong style=color: i ...

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 ...

C++ Developer – Amsterdam / London

Salary: £150-500kWorld-leading prop fund is looking for C++ developers to join their rapidly expanding team in London and Amsterdam. This data and technology-driven firm specialise in developing automated trading systems that execute across global financial markets.The successful ...

C++ Developer – Fully Remote

Location: Fully Remote – preference for UK / Singapore / Hong KongMy client is looking for a Junior C++ Developer. In this role, you will collaborate directly with traders and infra engineers to design, optimise, and deploy ultra-low-latency trading systems. This opportunity offers high leve ...

Senior React Native Developer

Work mode: HybridNumber of days a week worked in the office: 2 to 3 days || If the end client requires F2F meetings, the contractor should be available<br ...

LLM Specialist / AI Developer

The LLM Specialist builds AI components embedded within the workflow platform. Initial use cases include intelligent extraction of customer data from inbound communications and Copilot-style assistance integrated across the workflow journey.<span sty ...

Senior RPA Developer (UiPath)

Our client is a large organization operating in the life science industry,Be a part of fastest growing Technologies GCC in GurugramAbout Our ClientThis is a well-established organization in the Life Science industry, specializing in Medical Equipment and Technology. It o ...

Solution Developer, FP&A

At Board, we power financial and operational planning solutions for the world’s best brands.Thousands of enterprises use our technology to optimize resources, drive growth, and ensure profitability.With advanced analytics and forecasting, plus AI-driven insights, cus ...

Apprentice Admin/Business Developer

Join Howdens and Launch Your Career as an Apprentice Business Developer At Howdens, we take immense pride in being recognised as a leading employer of apprentices. Our commitment to nurturing talent and creating long-term career opportunities is evident through our placement in the prestigio ...

Senior Front End Developer

Third Republic are exclusively working with a Payments company that are based in London but now operate on a remote model.Due to hyper-scaling, they are looking for strong Front End Developers with experience using modern frameworks such as VueJS Angular.JS, React & Redux ...

Engine Developer Intern, Gaming

About the Hiring TeamLevel Infinite is Tencent’s global gaming brand. It is a global game publisher offering a comprehensive network of services for games, development teams, and studios around the world.We are dedicated to delivering engaging and original gaming experiences ...

Open Source Software Developer

Job Title: Open Source Software Developer Job Type: Permanent Location: Remote Our clients primary mission is to expedite the acceptance and utilization of Open Source technologies, methodologies, and principles. They work diligently to achieve this objective by offering specialised co ...

FO e Trading Developer

Company DescriptionLocation: London (Hybrid – 3 days per week in the office)Sector: Financial Services – Investment BankingArea: Front Office / E-Trading / FXTeam: London Trading Desk with Global InteractionRole Overview ...

Majesco Billing Developer London

Majesco Billing Developer - London Reference Code: -en_GBContract Type:PermanentProfessional Communities: Business AnalysisJob Title : Majesco Billing Developer About the Job you are considering: We are seeking an experienced Majesco Billin ...

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