51 to 75 of 145 Developer Jobs in the City of London

PHP Architect/Lead Developer Location: 100% Remote Contract: 6-month contract (potential extension) Start Date: ASAP About the Role We're seeking an experienced PHP Architect/Lead Developer to join our agile, forward-thinking technology team. Our in-house platforms power everything from industry-leading e-learning solutions to highly integrated office logistics, all hosted on AWS. In … and craft raw SQL queries for performance. Translate complex business requirements into scalable, maintainable technical solutions. Build and maintain client and management reporting tools. Contribute to the evolution of developer tools, CI/CD pipelines, and AWS-based architectures. Mentor and provide technical guidance to less experienced developers. Support a global user base and ensure high-quality, well-documented code. … to shape the future of our platforms? Send your CV and a short cover letter highlighting relevant experience to (url removed) with the subject line "PHP Architect/Lead Developer - Contract". Randstad Technologies is acting as an Employment Business in relation to this vacancy. More ❯

Junior .NET Developer - Online Film Rental Company - London (Tech stack: Junior .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, Junior .NET Developer) In just over 5 years our client has established themselves as the world's leading internet subscription service for enjoying films and TV programmes. They currently have over … million streaming members across the UK, Europe and North America and have plans to double in size over the next 12 months. We are seeking several Junior .NET Developer to work on several complex Greenfield .NET/C# software development projects which will be critical to the future success of the business. Junior .NET Developer candidates should have a sound … your skill set): .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and Azure SQL. This is an excellent opportunity for a Junior .NET Developer to working within a challenging supportive environment. Top performers can expect to receive their first promotion (and pay rise) within 6 months. Our client offers a unique working environment including More ❯

Agile development methodologies (e.g., Scrum , Kanban ). Excellent communication skills and the ability to collaborate with cross-functional teams. Desirable Skills: Experience with AWS certifications (AWS Certified Solutions Architect, Developer, or DevOps Engineer). Experience with Monitoring and Logging solutions like CloudWatch , New Relic , or Datadog . More ❯

Agile development methodologies (e.g., Scrum , Kanban ). Excellent communication skills and the ability to collaborate with cross-functional teams. Desirable Skills: Experience with AWS certifications (AWS Certified Solutions Architect, Developer, or DevOps Engineer). Experience with Monitoring and Logging solutions like CloudWatch , New Relic , or Datadog . 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 ❯

.NET Developer, Graduate/Junior - Computer Gaming Company - London (Tech stack: Graduate/Junior .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, Graduate/Junior .NET Developer) Having sold over 100 million games consoles and over 500 million games over the last decade, my client is undoubtedly the world's most recognised … computer gaming brand. We have 2 brand new requirements for Graduate/Junior .NET Developer to work in their plush London offices. These roles would be suitable Graduate/Junior .NET Developer who have recently graduated from university and have a basic understanding of the .NET framework (.NET Core/ASP.NET MVC, C#) which might have been acquired as part More ❯

Lead Full-stack Developer Location: Holborn, Central London (Hybrid) Job Type: Full-time Direct Reports: x5 Senior Developers Reporting to: Head of AI & Technology An exciting new permanent opportunity has become available for a Lead Full-stack Developer, to join a juggernaut organisation in the recruitment industry. A highly dynamic, ambitious and fast-growing team dedicated to transforming the recruitment … performance. Troubleshoot and resolve complex issues, ensuring platform reliability and uptime. Required Skills & Qualifications: 10+ years of commercial software development experience, with at least 5 years in a lead developer role. Proven track record in leading small, high-performing engineering teams in fast-paced environments. Deep expertise in full-stack development, including: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Python (Django … events and discounts at gyms and popular retailers Wellbeing and mental health support Vibrant office location in Holborn with numerous amenities nearby To apply for the Lead Full-stack Developer position, please submit your CV and cover letter detailing your relevant experience and why you are interested in this role. 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 ❯

My client, a growing Fintech with ambitions and quality is looking for a UX/UI or Product Designer. The UX/UI or Product Designer will be responsible for creating and refining user interfaces, conducting user research, designing user More ❯

Senior Software Developers specialising in trading systems required for an excellent client based in London. The successful Software Developer will join a extremely talented development team and you will be exposed to creating and maintaining our client's own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield projects and allow you More ❯

tech, our solution helps companies deploy intelligent agents, automate workflows, and accelerate innovation at scale. As demand surges for our product, we are currently hiring for a Senior Python Developer with Azure experience and a footing with AI whos ready to move at our speed. If you're passionate about AI, thrive in agile, fast-paced environments, and love turning … businesses create and manage powerful automation through models, agents, and reusable templates. Ready to build the future with us? The Role at a Glance: AI/Azure/Python Developer UK Remote Up to £90,000 Benefits include flexible remote work and an environment that values speed, quality, and autonomy. Product/Service: Neologik is an accurate, private & efficient multipurpose More ❯

Lead Software Developer 85,000 London Financial Services Overview A market leading financial company is seeking a Lead Software Developer to lead the design, development, and delivery of risk and compliance technology solutions across its Marketing operations. This is a high-impact role at the centre of a business transformation journey, with responsibility for building robust, scalable systems for market … Base Salary 15% non-contributory pension Hybrid working (3 days per week) Performance-based bonus scheme Comprehensive benefits package including pension, healthcare, and wellbeing support Lead Software Developer 85,000 London Financial Services More ❯

Full Stack Developer/Software Engineer (JavaScript Vue.js Python) London to £80k Do you enjoy working with a range of programming languages? You could be progressing your career as a Full Stack Developer at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 … and partnership with Octopus Electric Vehicles and Evans Cycle to Work scheme, there's showers and towels if you do decide to cycle! Your role: As a Full Stack Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll … to mentor more junior developers You're likely to be degree educated in Computer Science or similar tech discipline Apply now to find out more about this Full Stack Developer/Engineer (JavaScript Vue.js Python) 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 More ❯

We're working with a high growth commodities trading firm building systematic and algorithmic trading capabilities across global commodities and derivatives markets from scratch. This is an early stage, high impact role where you'll get to design the architecture More ❯

OpenLink Endur Developer for leading financial services client in London. Contract and hybrid working. Key Responsibilities Develop, maintain, and enhance custom modules and extensions within Endur and .NET. Build and support interfaces and integrations between Endur and internal systems. Provide technical and functional support to traders, risk managers, and operations teams. Work with business analysts to deliver high-quality technical More ❯

Salesforce Developer (SC Cleared) Location: London (Hybrid, 2–3 days per week on-site) Day Rate: £620 (Outside IR35) Contract: 6 Months (with likely extensions) Clearance: Active SC Clearance required (cannot start until clearance is transferred) Our client – a major global technology and consulting partner to UK Government departments – is seeking a Salesforce Developer to join a specialist Salesforce delivery … Familiar with Salesforce sharing model , automated testing tools (Provar, Selenium), and agile delivery methods . Excellent problem-solving, communication, and team collaboration skills. Certifications (highly desirable): Salesforce Certified Platform Developer Salesforce Certified Platform Administrator Salesforce Certified App Builder Salesforce Accredited Professional: Public Sector Solutions Security Clearance Active SC Clearance is essential. Candidates must have held clearance within the past More ❯

Salesforce Developer (SC Cleared) Location: London (Hybrid, 2–3 days per week on-site) Day Rate: £620 (Outside IR35) Contract: 6 Months (with likely extensions) Clearance: Active SC Clearance required (cannot start until clearance is transferred) Our client – a major global technology and consulting partner to UK Government departments – is seeking a Salesforce Developer to join a specialist Salesforce delivery … Familiar with Salesforce sharing model , automated testing tools (Provar, Selenium), and agile delivery methods . Excellent problem-solving, communication, and team collaboration skills. Certifications (highly desirable): Salesforce Certified Platform Developer Salesforce Certified Platform Administrator Salesforce Certified App Builder Salesforce Accredited Professional: Public Sector Solutions Security Clearance Active SC Clearance is essential. Candidates must have held clearance within the past More ❯

Lead Java Developer 6 Months Hybrid working 1 day a week on site £500-£550 per a day inside IR35 Talent Consulting is seeking an experienced Lead Java Developer to join one of our government clients on a large-scale digital transformation programme. You’ll lead a team delivering modern, cloud-native solutions—rebuilding internal systems, creating efficient digital processes … and ensuring scalable, high-quality software delivery. As Lead Java Developer you will be responsible for: Design and develop modern, cloud-based services using Java and Node.js. Build and maintain microservices and UI components, ensuring seamless integration between front-end interfaces and back-end APIs. Implement event-driven solutions using Kafka and other messaging technologies. Develop, deploy, and manage scalable … as Terraform. Create, maintain, and optimize CI/CD pipelines using GitLab CI. Collaborate with designers and front-end developers to deliver modern, responsive UI experiences. As a Lead Developer you will have the following experience: Proven experience leading and mentoring development teams. Extensive hands-on experience developing modern cloud-native applications using Java and Node.js. Strong background in microservices More ❯

Lead Java Developer 6 Months Hybrid working 1 day a week on site £500-£550 per a day inside IR35 Talent Consulting is seeking an experienced Lead Java Developer to join one of our government clients on a large-scale digital transformation programme. You’ll lead a team delivering modern, cloud-native solutions—rebuilding internal systems, creating efficient digital processes … and ensuring scalable, high-quality software delivery. As Lead Java Developer you will be responsible for: Design and develop modern, cloud-based services using Java and Node.js. Build and maintain microservices and UI components, ensuring seamless integration between front-end interfaces and back-end APIs. Implement event-driven solutions using Kafka and other messaging technologies. Develop, deploy, and manage scalable … as Terraform. Create, maintain, and optimize CI/CD pipelines using GitLab CI. Collaborate with designers and front-end developers to deliver modern, responsive UI experiences. As a Lead Developer you will have the following experience: Proven experience leading and mentoring development teams. Extensive hands-on experience developing modern cloud-native applications using Java and Node.js. Strong background in microservices More ❯

C# DEVELOPER Commodities Trading firm is looking to grow their business and are hiring a Senior .NET Developer due to significant growth across their Front Office team. This is an extremely rare opportunity to break into the world of high-finance, trading and few and far between. £120-150k package This is an experienced role within the team and … the C# Developer will be expected to understand complex technical solutions and deliver in an Agile/SCRUM/Kanban environment. Requirements: C# - ESSENTIAL FRONT-END - VUE or similar - preferred AZURE - preferred TRADING - preferred The role is hybrid working, 2 days in lovely central London offices. Free cooked or contintal breakfast and lots of other benfits including private healthcare, reflect More ❯

Power Platform Developer Full-time | Permanent | Remote (Occasional London meetings) Salary: £65,000 - £70,000 + Excellent Package Overview We're seeking a Power Platform Developer to join a global organisation and a collaborative and forward-thinking IT team. This is a hands-on role focused on designing, building, and integrating modern applications using Microsoft’s Power Platform and Azure More ❯

Senior C# Developer - Commodities Trading - Outside IR35 Exciting opportunity for an experienced senior developer to build on their experience in Commodities or similar trading development role in this successful Commodities Trading company. £750 - 800 per day Outside IR35 The Senior C# Developer will have significant prior experience as a Senior Software Engineer/Senior Developer working as C# Developer in More ❯

Senior Frontend Developer (Senior React Engineer) React, Typescript, Javascript, HTML, CSS - PaaS Outstanding permanent opportunity to join this global, market leading, B2B SaaS tech business as a Senior Frontend Developer/Senior React Engineer with extensive experience in React, Typescript, Javascript, HTML and CSS . This business is embracing bleeding edge development practices and offers the opportunity to help them More ❯

Job Title: Senior Power Platform Developer Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary £55,000-£65,000 plus company benefits. About Us Triad Group Plc is an award-winning digital, data, and solutions consultancy with over 35 years' experience primarily serving the UK public sector and central government. We deliver high … products, with systems to track unsafe products Powering systems that help the government monitor and reduce greenhouse gas emissions from commercial transport Role Summary As Triad's Power Platform Developer, you will play a pivotal role in designing, implementing, and maintaining scalable solutions built on the Microsoft Power Platform. You possess a deep understanding of Power Apps, Power Automate, Power … degree in Computer Science, Information Technology, or related discipline. Relevant certifications, including but not limited to: Microsoft Certified: Power Platform Solution Architect Expert (preferred). Microsoft Certified: Power Platform Developer Associate (optional but valued). Minimum of 8 years of hands-on experience in Microsoft development technologies. Triad's Commitment to You As a growing and ambitious company, Triad prioritises More ❯

Graduate/Junior Developer, Python, JavaScript, PHP - London (Tech stack: Graduate/Junior Developer, Python, JavaScript, PHP, Graduate/Junior Developer) In 2012 our client launched a social messaging platform that has been taking the US by storm. After an extremely successful period our client has decided to hop across the Atlantic, in a bid to expand their sphere of … the UK and European markets. A number of new offices are being opened in the UK and our client is looking for talented, enthusiastic and passionate Graduate/Junior Developer to bring their product to these new markets and help enhance this already successful company! These roles would be suitable Graduate/Junior Developer who have recently graduated from university … React Native, Django, Postgres, Docker and Agile; which might have been acquired as part of your degree course or through a placement year in industry. All Graduate/Junior Developer positions come with the following benefits: 30 days holiday (plus 8 UK Bank Holidays). Flexible working hours An early finish on Fridays that fall in the months of June More ❯