351 to 375 of 841 Developer Jobs in London

Our client, an established IT managed service provider, is currently recruiting a Senior Application Software Developer to join their development team. The Senior Application Software Developer will be responsible for primarily working on the user interface and supporting client services code supported by other developers responsible for the service side APIs. Key Responsibilities for the Senior Application Software Developer : Engage … supporting web technologies and maintaining documentation for the solution Writing high-quality and well-documented code Testing the code to agreed standards. Skills Required for the Senior Application Software Developer : A minimum of 5 years' experience in software development with a minimum of 2 years working in similar application development roles. Around 2 years of experience using Blazor to fix More ❯

Our client, an established IT managed service provider, is currently recruiting a Senior Application Software Developer to join their development team. The Senior Application Software Developer will be responsible for primarily working on the user interface and supporting client services code supported by other developers responsible for the service side APIs. Key Responsibilities for the Senior Application Software Developer : Engage … supporting web technologies and maintaining documentation for the solution Writing high-quality and well-documented code Testing the code to agreed standards. Skills Required for the Senior Application Software Developer : A minimum of 5 years' experience in software development with a minimum of 2 years working in similar application development roles. Around 2 years of experience using Blazor to fix More ❯

Full Stack Software Developer ?" City London We are recruiting a Full Stack Web Software Developer with at least 3 to 5 years experience of Full Stack development. You will be developing and building a visually rich analytics platform. This platform is designed to help guide large organisations through the entire process of business transformation with data driven methodology. The analytics … a mixture of artificial intelligence, analytics and highly graphically rich technologies such as D3.js. For this reason we are looking for a highly passionate, motivated and experienced full stack developer that has experience of working in a start up environment with experience of taking a SAAS product through a full build and ship cycle. Information Technology Skills Required: Angular More ❯

.NET Developer, C#, WPF - Mobile Telecommunications - London (Tech stack: .NET Developer, .NET 9, C#, WPF, Azure SQL, MVVM, Prism, TDD, Agile, Programmer, Engineer, Architect, .NET Developer) Established in the early 1990s and listed on the London Stock Exchange our client is an instantly recognizable brand within the mobile telecommunications arena. They are widely recognized as innovators within the market and … to its customers. They are now looking to extend their brand beyond mobile with the launch of several new products. As such they are looking to recruit 6 .NET Developer to help design and develop the .NET/C# software applications that will be the backbone of this exciting new generation of products and services. The ideal .NET Developer candidates More ❯

.NET Developer, C#, WPF - Asset Management - London (Tech stack: .NET Developer, .NET 9, C#, WPF, Azure SQL, MVVM, Prism, TDD, Agile, Scrum, Kanban, Programmer, Engineer, Architect, .NET Developer) Founded in 1930, our client is a leading investment manager with offices in Europe, Asia and North America. They manage over £120 billion across all asset classes and employ over 2000 people … world. Working in tandem with Microsoft they are developing revolutionary .NET/C# software applications that have attracted much attention in the trade press. We are seeking two .NET Developer to work on these exciting Greenfield enterprise level .NET/C# projects. .NET Developer applicants should have strong knowledge of: .NET, C#, WPF and Azure SQL. This is a fantastic More ❯

The systems developer will work on aspects of the configuration and running of the Intellipen pensions administration software platform - aiming to maintain and improve the system. Ideally, candidates should have experience with Intellipen; however, the role is open to those with the following experience: Any other pension system configuration or development work. Experience with any of the following languages: SQL More ❯

Role Title Senior ServiceNow Developer Location: 95 Queen Victoria Street, Hybrid | 80% Remote - 20% Office (London) Duration: 6 months Rate: £555 Inside MUST BE PAYE THROUGH UMBRELLA MUST HAVE PUBLIC SECTOR EXP Role Description: Skills Required: Understanding of the key technologies relevant to the ServiceNow integration solutions including: SSO, SAML, SSL, Web Services, LDAP, JDBC, ODBC, REST, SOAP, SCP, FTPS … JSON ServiceNow Developer certification is a plus Experience with other ITSM software (BMC Remedy ITSM, HP, Landesk, etc.) Experience with orchestration tools (ex. HP Operations Orchestrator, BMC Atrium Orchestrator) Micro-services architecture knowledge, enterprise integration patterns Experience in Jira, Confluence, Rabbit MQ, Apache Camel, DevOps Experience developing and implementing systems using Agile/Scrum methodology Experience with working or developing More ❯

Full Stack Developer (Browser Extensions) Secure Tech: Role details: Type : Permanent. Location : Hybrid London. Salary : Market Rate (highly competitive based on exp). Our client is building next-generation Secure Tech a platform focused on encryption and secure browser-based tools and is looking for a Full Stack Developer to help scale their browser extension ecosystem. Youll work at the … privacy and usability, taking ownership of delivery and playing a lead role in SCRUM processes while contributing to a modern, security-focused codebase. What youll do for Full Stack Developer (Browser Extensions) Secure Tech: Develop and maintain browser extensions for Chrome, Safari, and Firefox. Integrate with Gmail APIs, handling MIME formats and OAuth2 authentication. Translate Figma design prototypes into fast … ceremonies, sprint planning, and retrospectives. Contribute across the stack using Node.js (TypeScript) and Go. Write automated tests and help improve CI/CD processes. Tech stack for Full Stack Developer (Browser Extensions) Secure Tech: Go, Node.js (TypeScript). React, Chrome/Safari/Firefox Extensions APIs. OAuth2, Gmail API, MIME, CI/CD, Git. What we're looking for Full More ❯

Full Stack Developer (Browser Extensions) – Secure Tech: Role details: Type : Permanent. Location : Hybrid – London. Salary : Market Rate. Our client is building next-generation Secure Tech — a platform focused on encryption and secure browser-based tools — and is looking for a Full Stack Developer to help scale their browser extension ecosystem. You’ll work at the intersection of privacy and usability … taking ownership of delivery and playing a lead role in SCRUM processes while contributing to a modern, security-focused codebase. What you’ll do for Full Stack Developer (Browser Extensions) – Secure Tech: Develop and maintain browser extensions for Chrome, Safari, and Firefox. Integrate with Gmail APIs, handling MIME formats and OAuth2 authentication. Translate Figma design prototypes into fast, secure front … ceremonies, sprint planning, and retrospectives. Contribute across the stack using Node.js (TypeScript) and Go. Write automated tests and help improve CI/CD processes. Tech stack for Full Stack Developer (Browser Extensions) – Secure Tech: Go, Node.js (TypeScript). React, Chrome/Safari/Firefox Extensions APIs. OAuth2, Gmail API, MIME, CI/CD, Git. What we're looking for Full More ❯

Java Developer - Kubernetes/AKS, Azure, Python/Golang, IaC Up to £700 per day (Inside IR35)London/Hybrid (2/3 days per week onsite) 3-6 months My client is a major consultancy firm working with an instantly recognisable end client who urgently require a Java Developer with expertise in Kubernetes/AKS, Azure, proficiency in Python …/Golang coding and Infrastructure as Code (IaC) experience including use of Terraform and pipelines. Key Requirements: Proven experience as a Java Developer/Software Engineer within the Financial Services Expertise in Kubernetes/AKS Demonstrable experience with Azure Proficiency in Python/Golang coding Infrastructure as Code (IaC) experience including use of Terraform and pipelines Flexible approach towards hybrid More ❯

Senior Salesforce Marketing Cloud Developer Hybrid, London iO Associates is working with a leading digital-focused organisation to bring on board a Senior Salesforce Marketing Cloud Developer to drive innovation across their marketing tech stack. This is an exciting opportunity for an experienced SFMC developer to join a collaborative, forward-thinking team focused on building scalable, future-proofed solutions within … CSS for email development. Confident in SFMC architecture, data modelling, and system integration. Experience leading solution design and delivering complex, automated marketing solutions. Salesforce Marketing Cloud certifications (Admin/Developer) strongly preferred. Excellent communication skills, with the ability to present technical solutions in a clear, engaging way. Nice to Have: Experience with Advertising and Mobile Studio. Familiarity with Salesforce CRM More ❯

Senior Python Developer Location: Hybrid - 3 days remote/2 days in NW London Salary: Circa 90K 97K + Benefits Work Permit: Sponsorship provided (fluent English required) Senior Python Developer required by a fast-growing, Top Tech Company! This is a varied, challenging role within a talented team, where youll focus on building scalable, reliable backend systems while also sharing More ❯

Job Title: Senior Java Developer - Electronic Trading Location: London A leading global financial firm is looking for a skilled Java Developer to join their Electronic Fixed Income team. You'll help build and improve fast, reliable trading systems that connect to global markets. What You'll Do Develop and improve electronic trading systems with a focus on speed and reliability. More ❯

Senior Android Developer - Android, Kotlin, MVVM, Java, XML - health care mobile apps Central London circa £80k DoE + discretionary annual Bonus Hybrid working - 3-4 days per week in the office A cracking opportunity for a Senior Android Developer to join a small, acclaimed, highly creative app and technology company (circa 20) known for groundbreaking patented technology in the health … care field, including several patents in the pipeline. The apps are truly innovative and positively impact people’s lives. We’re looking for a proactive and experienced Senior Android Developer to work across a portfolio of successful apps in a fun, talented team. The apps are fully native, primarily developed in Kotlin, with legacy Java code being phased out. The … circa £80k + annual Bonus Opportunities for professional growth including into leadership Flexible working A hybrid model with at least 3 days each week in the office Senior Android Developer | Senior Android Engineer | Senior Mobile Developer | Senior Android, Kotlin Developer More ❯

Senior BI Developer - Front Office, Power BI, Python sought by leading investment bank based in the city of London. **Inside IR35 - 4 days a week on site** Overview BI Developer role supporting Front Office operations with expertise in Power BI, data engineering, and stakeholder management in investment banking environment. Key Responsibilities Design and maintain Power BI dashboards for trading, risk More ❯

I’m working with a great company based in the Central London, and they’re looking for a Full Stack Developer- Front Office to join their team. You'll play a key role in implementation of the applications and working on BAU tasks and continuous maintenance and evolution of key components and services. The ideal candidate: 70 % Front End More ❯

I’m working with a great company based in the Central London, and they’re looking for a Full Stack Developer- Front Office to join their team. You'll play a key role in implementation of the applications and working on BAU tasks and continuous maintenance and evolution of key components and services. The ideal candidate: 70 % Front End More ❯

C++ Developer/Backend Software Engineer (Windows C/C++, C#) London to £70k FTC Are you a skilled C++ Developer? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a C++ Developer you will join an Agile team focussed on building … You're collaborative with great communication skills What's in it for you: *Please note this is a 12 month Fixed Term Contract, with full benefits* As a C++ Developer/Backend Software Engineer you'll receive a competitive package: Salary to £70k + bonus 25 days holiday Pension Life Assurance and Income protection Private Medical and Dental care Gym … options Family leave and sabbaticals Continuous training and career development including personalised budget Gain valuable finance/exchange connectivity experience Apply now to find out more about this C++ Developer/Backend Software Engineer opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities More ❯

Microsoft Stack Developer, Senior .NET Developer with Software Security Certification, CISSP, CEH, CSSLP, Central London but Mainly Remote Senior .NET Developer with Software Security, Software Security Engineer Lead is required to work for a fast-growing and exciting company based in Central London. However, this will mainly be remote and the expectation is to go into the office circa twice … a week. Please read in full before applying We need someone with a Microsoft tech-stack background who has experience as a .NET Developer with Software Security experience, Azure DevSecOps Consultant or even a good old fashioned Unix/Linux Systems Administratoror someone who has worked as a Senior .NET Developer and has a Software Security Certification like:like CISSP More ❯

Senior Go Developer London, UK 6 Month Contract An incredible opportunity for an experienced Senior Go Developer with strong backend engineering skills to join a prestigious tech client on a contract basis. Known for its high bar for engineering quality, this isn't your typical banking or fintech gig - contractors here are genuinely embedded, involved, and making meaningful impact from … day one. As a Senior Go Developer, you'll play a key role in building mission-critical, data-driven services that power core parts of the platform. You'll take ownership across the full development lifecycle, from system design and implementation to optimisation and release. You'll be working in an open, fast-moving environment where ideas get tested quickly … how things are built and the trust to get on with it - whether that's improving infrastructure, shipping new features, or quietly refactoring something that needs it. Senior Go Developer - Key Requirements: Significant professional experience in software development, with a strong focus on backend systems Proficiency in Go/Golang and proven expertise in AWS, Kubernetes, and Docker Experience with More ❯

Graduate Software Developer (based in Newcastle) Full time perm - On site in Newcastle 1st class degree needed from a Russell Group University + A-Levels (AAA) My client is looking for exceptional graduates to join their growing team based in Newcastle. Essential skills needed include: Programming and technology skills, including an understanding of and recent programming experience in C#/ More ❯

Job Opportunity: Application Developer - Microsoft .NET Location: Remote - Potential of 1 Onsite meeting P/Week in London Start Date: 4th August 2025 End Date: 6th March 2026 Rate: Up to £460/day - Inside IR35 - UMB About the Role We're looking for a talented and experienced Application Developer with strong Microsoft .NET skills to join our team on More ❯

Guidewire Developer - Certified Location London Salary: £80,000 - £90,000 per annum + 20% Bonus Type: Permanent, Hybrid (2 days in London) About the Role: An ACE Certified Guidewire Developer with experience with Guidewire for claims, and ClaimCenter configurations is required for a leading insurance organisation in London. The business is currently in the process of migrating to Guidewire and … would be looking for a developer to lead them through the migration process and to monitor and configure the platform, as well as architect and design solutions being pioneered within the Guidewire Cloud. This is a brand-new team with lots of scope for development and growth. You should have strong development skills in Java and GOSU as well as More ❯

Senior .NET Developer - Public Sector Project | £220/day (Inside IR35) Location: Predominantly remote, with occasional travel to Cardiff Contract: 6 months (with likely extension) Rate: £220 per day (Inside IR35, A4C Band 6 equivalent) Start Date: ASAP We're recruiting for a Senior Software Integration Developer (.NET) to join a high-impact digital programme delivering national clinical information systems … Working Arrangements: Remote-first working model Some travel required to Cardiff office (Ty Glan-yr-Afon) for onboarding and key meetings If you're a collaborative and technically strong developer with experience in public sector or healthcare projects, this is an opportunity to make a meaningful impact on national digital health outcomes. If you're interested or know someone who More ❯

Lead Power BI Developer - London This role is focused on designing and delivering Power BI solutions that support data-driven decision-making across a purpose-led investment organisation. You'll work closely with business users, IT, and change teams to develop dashboards, reports, and models using data from systems like eFront and the Enterprise Data Warehouse. Client Details Lead Power … BI Developer - London Our client is a purpose-led financial institution focused on global development and long-term impact investing. They operate in a highly collaborative and regulated environment, supporting sustainable growth across emerging markets. Description Lead Power BI Developer - London This is a great opportunity to work in a purpose led financial organisation with a global development focus, where … development standards and documentation Support user adoption and continuous improvement of Power BI tools Ensure clear, secure design aligned with best practice and business needs Profile Lead Power BI Developer - London You'll bring experience delivering Power BI solutions in a financial services environment, ideally within Private Equity, Private Debt, or Development Finance. You're not just technically strong you More ❯