1 to 25 of 86 Senior Developer Jobs in London

Description Senior Developer – FX Options Risk & Valuation Systems We are seeking a highly capable Senior Developer to join our Front Office FX Options Technology team. This role involves hands-on work in building and enhancing systems used by the global FX Options Trading desk for risk … greenfield-style development within a live system. Inclusive team culture where contributions are valued. Opportunities for technical leadership and ownership. To apply for this Senior Developer position, please submit your CV and cover letter detailing your relevant experience and why you are interested in this role. ...

Senior C++ Developer - London Based in the City of London (2 days in the office)/6 months rolling/£650 per day (Inside IR35) A global leading fintech solutions company and member of the Fortune 500, seek an experienced Senior C++ Developer/Software Engineer … analysing, and modifying programming systems including encoding, testing, debugging and installing for a large-scale Mainframe computer system. Essential Duties and Responsibilities for the Senior C++ Developer/Software Engineer: Maintains project estimates and project management timelines for multiple major projects. Verifies completeness and accuracy of specifications ...

Senior Azure Developer - Active SC, Azure Service Bus, D365 Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Developer with Active Security Clearance (SC), and expertise in Azure Service … Dynamics 365, to join a business-critical programme. Key Requirements: Proven experience working as a Senior Developer within the public sector Active Security Clearance (SC) Hands-on experience with Azure Service Bus and message queue systems. Microsoft Dynamics 365 and Power Automate expertise. Strong understanding of integration patterns ...

Senior SharePoint Developer Our prestigious US law firm client is seeking a highly skilled Senior SharePoint Developer with extensive experience migrating SharePoint 2016 on-premise solutions to modern SharePoint platforms. This permanent role, based in their stunning City offices, combines hands-on custom development, system maintenance … Hybrid working – 4 days in the office/1 day remote Free lunch every Wednesday £100 monthly employee contribution towards lunch or other expenses Senior SharePoint Developer Key Responsibilities: Design, develop, and support custom solutions across SharePoint Subscription Edition (SE) and SharePoint Online Lead migration of SharePoint ...

Senior C# Developer/Backend Software Engineer (C# .Net) *Newcastle onsite* to £130k+ Are you a Senior C# Developer looking to escape the hustle and bustle of London and relocate to somewhere with stunning scenery and a better quality of life (there's also great restaurants … established Hedge Fund client as a partner, they're creating a finance technology hub bringing a wealth of talent and experience. As a Senior C# Developer you will collaborate with a small, talented team to deliver the core trading platform within a Microsoft environment using the latest versions ...

Senior Software Developer | C#/.NET | Fully Remote The Role SalamanderSoft builds user identity and account lifecycle management for the education sector. Our software manages 3 million accounts daily across 4,000+ schools, colleges and universities in 34 countries, integrating with Azure, Microsoft 365, Google Workspace and more. … breaks, schools notice. When it works, they don’t, which means reliability, correctness and security aren’t aspirations, they’re requirements.We’re hiring a Senior Developer to take real ownership of parts of this platform: designing solutions, leading delivery, and raising the bar for how the team builds ...

Senior FullStack Developer Duration: 4 months Location: Remote £450 per day Inside IR35 - Umbrella only Active SC clearance or eligibility to obtain it Our client is seeking an experienced Senior Cloud FullStack Developer to join their dynamic team on a remote basis. This is an exciting ...

Reed.ai is looking for a Senior Developer to join their team in Holborn, London. Overview Join a collaborative, forward-thinking team that values creativity, experimentation, and impact—and help redefine the future of recruitment through intelligent, human-centered technology. We’re looking for a talented and experienced Senior Fullstack Developer to play a pivotal role in the development and growth of a brand-new AI recruitment platform as it prepares to enter the market this summer. This is a rare opportunity to take a product from Beta launch to full market release and beyond, shaping ...

Senior C++ Developer/Backend Software Engineer (C++ Linux SQL) London/WFH to £120k Are you a backend focussed Senior C++ Developer looking for an opportunity to progress your career, working on complex and interesting systems where you can see the impact of your work … Pension (to 9% contribution) Healthcare Volunteer/charity days Hybrid working (x2 days WFH per week) Career development and training Your role: As a Senior C++ Developer you'll design and develop client bespoke technical solutions, meeting user requirements and contributing to the evolution of the cutting edge ...

Senior Full-Stack Web Application Developer Role: Senior Web Application Developer (Full-Stack) Specialism(s): eCommerce, ASP.NET MVC 5, C#, React, Migrations, Microsites, Cloud-Native, HTML5/CSS3/JavaScript, API, CI/CD, IoC Containers, Agile Type: Contract, Daily Rate Duration: 3+ Months Location: London … Rate: £450 - £525 per day (Inside IR35 - via Umbrella) Start: ASAP/Urgent Senior Web Application Developer (Full-Stack) CPS Group UK are delighted to be working with a leading, globally recognized eCommerce brand to appoint a seasoned Senior Full-Stack Web Application Developer to play ...

Role: Senior Developer Salary: £70,000 Location: Remote with occasional travel to the offices About the role This is an exciting opportunity for a highly motivated and skilled Full Stack Developer to join a dynamic team working on a greenfield project. The primary focus of this role ...

Senior Software Developer (PYTHON/AWS/REACT) - Health tech - tech for good, make a positive impact on the world Highly successful and fast growing organisation has an exciting opportunity for a Senior Software Developer (PYTHON/AWS/REACT). They are looking ...

Senior Python Developer (PYTHON/AWS/REACT) - Health tech - tech for good, make a positive impact on the world Highly successful and fast growing organisation has an exciting opportunity for a Senior Software Developer (PYTHON/AWS/REACT). They are looking ...

Senior Full Stack Developer (Contract) Outside IR35 | Remote | Up to £600/day Overview We’re partnering with a specialist software consultancy delivering business-critical platforms across financial services and pensions. They’re looking for a Senior Full Stack Developer who enjoys proper engineering — clean architecture … ownership of solutions, and working alongside experienced senior engineers and QA specialists.This is a hands-on delivery role (no line management, no ticket-factory environments) with meaningful technical influence across the full stack. What you’ll be doing Designing and building end-to-end full-stack solutions ...

Senior Android Developer London, UK (Hybrid – 2–3 days per week onsite) 3 month initial contract with good chance to extend About the Role We’re looking for a Senior Android Developer to join our growing mobile engineering team in London. You’ll play ...

Senior Ruby Developer - Leading Health Tech - Hybrid Salary: Paying £75,000 - £100,000 + Equity Industry: Health Tech (Tech for Good) Location: Hybrid, 2 days a week in Central London Office Tech Stack: Ruby on Rails, TypeScript, AWS 👩🏻 💻 The Company 🚀 We're excited to have partnered with … Desired Skills ⚙️ Ruby on Rails TypeScript React or Vue.js AWS They are willing to move quickly with this role, please apply now if interested. Senior Ruby Developer - Leading Health Tech - Hybrid ...

Senior iOS Developer Manchester OR London (Hybrid - 2 days per week in the office) Salary: 65,000 - £85,000 DOE Why Join Us? Become part of an organisation that helps millions save money when it matters most! With a portfolio of renowned consumer platforms and B2B partnerships … deliver world-class experiences A culture where every voice matters and everyone belongs About the Role We're on the lookout for an experienced Senior iOS Developer to join our Mobile Collective! You'll support and grow our suite of high-traffic consumer apps, working in multi-disciplinary ...

Senior Android Developer London (Hybrid - 2 days in office) Salary: £65,000 - £85,000 DOE Are you ready to make a difference? Our client is on a mission to help millions save money when it matters most. With a portfolio of well-known consumer platforms, they reach over … that collaborate to create world-class experiences A culture where every voice matters and everyone belongs About the Role: We're seeking a passionate Senior Android Developer to join the Mobile Collective, enhancing a suite of high-traffic consumer apps. You'll be part of cross-functional squads ...

Senior Pega Developer London (Hybrid – 1 day per week onsite) £65,000 - £75,000 + Benefits (including 10% bonus) We’re working with a large-scale enterprise organisation currently undergoing a significant platform modernisation programme and are looking for a Senior Pega Developer to join their ...

SENIOR FRONT END DEVELOPER Salary up to £65-80k Hybrid working - 3 days per week on-site in Bromley Modern front-end stack - Vue.js, JavaScript, HTML, CSS Opportunity to shape user-facing products in a growing tech team ABOUT THE CLIENT We're working with a growing … site) Opportunity to take ownership of front-end architecture Collaborative and forward-thinking engineering environment Ongoing investment in technology and product development THE SENIOR FRONT END DEVELOPER ROLE: This is a hands-on role where you'll take a lead position in developing and enhancing the front ...

Senior Software Engineer | Java | AI | London | £500-£600/day About the Role We are seeking an exceptional Senior Software Engineer with expertise in Java and AI to join our client, an established financial services brand, on a 6-month contract Outside IR35. This is a unique opportunity … Senior Software Engineer to work at the cutting edge of AI-driven development. The Opportunity As a Senior Software Engineer, you'll join a small, innovative team modernising and simplifying critical legacy services using cutting-edge AI tooling. You'll demonstrate what's possible when AI is deeply ...

This is a newly created position for a Senior .Net Software Developer based in Central London, paying £90,000. PLEASE NOTE – this role is 5 days a week in the Oxford Street area of Central London. To be considered for this position, you will be a highly experienced … Lead C# Software Developer with solid Azure cloud experience. Ideally, you will have a background with B2C website booking platforms/hospitality systems, and customer payment platforms, and be happy to work as a stand-alone .NET developer in a team with a Front End Developer ...

SENIOR SOFTWARE DEVELOPER £85,000 GUILDFORD This is an opportunity to join an innovation-led software consultancy working on complex, real-world engineering problems. The role offers high levels of autonomy, technically challenging work, and exposure to a wide variety of short-to-mid-term projects. THE COMPANY … chance to work on challenging systems rather than repetitive product features. THE ROLE Design and build end-to-end software solutions Work as a senior full-stack engineer (backend-leaning) Own delivery of complex technical problems Build, deploy and support cloud-based systems Collaborate with engineers and data specialists ...

Senior Developer - AIS (Azure Integration Services) - 6-Month Contract - London Role Overview Contracting role based in London (Hybrid, 2 days in office) for a 6-month engagement. You will manage multiple integrations within a cutting-edge SaaS-based ERP ecosystem, onboarding new systems and managing change across ...

Responsibilities Senior Web Developer Are you looking for a role where you can own architecture and not just tickets? Do you want to build mission-critical modelling software used by leading insurers? This is a hybrid role with the flexibility to work both virtually and from our London ...