Jobs for javascript at London

5 Days Onsite London. We are looking for an experienced Full Stack Developer with strong expertise in Python and React.js to design, develop, and maintain scalable web applications. The ideal candidate should have hands-on experience building microservices, REST APIs, cloud-native applications, and modern frontend solutions. Key Responsibilities Design,...

SC Cleared Senior Full Stack Developer Contract: 3-Month FTC Location: Remote – UK Sector: Public Sector Clearance: Active SC Clearance required Start: ASAP The Role We are looking for an experienced SC Cleared Senior Full Stack Developer to join a public sector project on an initial 3-month FTC. You will be working within an established delivery team,...

LocationLondon, United Kingdom Salary40000 - 75000 per annum + Bonus + Pension + Benefits Job typePerm.NET Developer, CMS, Sitecore, Optimizely, Umbraco – London(Tech stack: .NET Developer, CMS, Sitecore, Optimizely, Umbraco, .NET 10.0, C# 14, Angular 21, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Established in the 1990s our client...

Junior Java Analyst Developer / Technical Consultant95,000 p/aQuant Capital is urgently looking for a Java Analyst Developer / Technical Consultant to join our high profile client.Our client is a global trading platform software business. Its products are used globally by most asset managers and pension funds. They are well known in the fintech space and...

Junior Python Django DeveloperTimes Fastest Growing firmsQuant Capital is urgently looking for a Junior Python Django Developer to join our high profile client in their main development team.Our client is a small but well known big data property software business, disrupting a well established market.The Junior Python Developer will join an innovative...

Full Stack Java Spring Software Engineer 100,000 Plus Bens Quant Capital is urgently looking for a Java Software Engineer for our high profile investment management vendor. Our client is a well known global wealth management HFT software business. They provide valuations and pricing of derivatives to most of the buy side. I am seeking a Java developer to...

Python Developer- Retail Business Remote with occasional London office visits | Initial 6+ Month Contract We are looking for a skilled developer to join a growing IT team, helping to design, build and enhance bespoke business applications that support inventory management, logistics, replenishment and omnichannel operations. This is an excellent...

OutSystems Developer 6-Month initial contract - Inside IR35 - up to £540 per day London based - hybrid working - 1-2 days a month onsite Government sector - Need to be SC Eligible - current and active SC Clearance preferred What you'll be doing: Delivering fantastic low code solutions on enterprise-level client projects. Working closely with the Tech...

AI EngineerUp to 80,000 + strong benefitsHybrid | LondonWe're working with an established technology and services business to find an AI Engineer who will help design, build, deploy and monitor AI systems in production. This is an AI Engineer role for someone with a real curiosity for AI and a firm grounding in software engineering, who wants their work...

Web Application Support Engineer Location: Canary Wharf, London - 3 days a week onsite expected. Daily Rate: £416.00 Umbrella Contract Length: Up to 2 years likely for strong candidates Our client, a leading financial institution in the banking sector, is seeking a highly skilled Web Application Support Engineer to join their dynamic team. This long...

Full Stack Developer (DV Cleared) Location: London, Bristol, Manchester (hybrid) Clearance: Active DV Clearance is essential Salary: £(phone number removed) Design, develop, and maintain scalable digital solutions for Defence and Security clients. The role involves working across the full software development lifecycle, delivering secure, high quality...

Location: London - hybridWe Are:RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary Deep Learning AI algorithms to help brands grow. The company is the market leader in driving performance using Deep Learning across the entire purchase funnel.Founded in 2012 and now operating in 90+ markets, RTB House has always been...

Web DeveloperUp to £45,000Fully Remote (London) A fantastic opportunity to work as a Web Developer within a Digital Media company, Our perfect Developer will be a team player, love working directly with clients and have an interest in Design and UX. You will be implementing websites from scratch or from a mock-up on a variety of popular platforms, and...

Application Support Engineer – Legacy .NET Framework, London (Hybrid) 12 months FTC Up to £45,000pa Position Overview * We are looking for a Senior Application Support Engineer to support and maintain enterprise applications built using ASP.NET MVC, .NET 10 and SQL Server. The role will involve production support, incident resolution, defect...

Job Reference: NJ0416Date Posted: 17 August 2026Recruiter: Nexus Jobs LimitedLocation: LondonRemote Working: 100% remote working possibleSalary: 55,000 to 80,000Sector: I.T. & CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: : Apply for this job nowJob DescriptionSenior Backend Developer with C# .net Working as part of the...

Job Reference: NJ0429Date Posted: 17 August 2026Recruiter: Nexus Jobs LimitedLocation: LondonRemote Working: 100% remote working possibleSalary: 50,000 to 80,000Sector: I.T. & CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: : Apply for this job nowJob DescriptionSenior Backend Developer with C# .net Framework Working as...

Digital Application Developer Hybrid Working | London Permanent / Up to £90k DOE We're partnering with a large UK organisation that is investing heavily in its digital capabilities and is looking to add a Digital Application Developer to its growing technology team. This is an exciting opportunity to work on a range of customer-facing digital products,...

Job Summary:We are seeking a skilled and motivated Software Engineer to join our dynamic team at CWAN. The role joins our Beacon Core Engineering team. The Core team develops large part of Beacon Cloud, just above the Platform abstraction. It deals with the developer tools (SDLC) that we offer to clients and use internally - IDE including Cline integration,...

Job ID: 686Skills: ServiceNow Solutions Architect, ServiceNow Technical Architect, Senior ServiceNow Architect, ServiceNow Platform Architect, ServiceNow Enterprise Architect, ServiceNow Lead Architect, ServiceNow Solution Designer, ServiceNow Principal Architect, ServiceNow Consulting Architect, ServiceNow Advisory Architect, ServiceNow Transformation...

Job Title: Dynamics Developer Location: UK-based, remote apart from day-1 to collect kit Contract: Contract Duration: 3 Month rolling contract Day Rates: £480/day Inside IR35 *** PLEASE NOTE; Power Pages is essential experience needed for this role *** Brio Digital are currently supporting a consultancy working with a central government department...