151 to 175 of 505 Developer Jobs in London

Senior C# Developer/Software Engineer (C# .Net) London onsite to £150k Opportunity to progress your career in a senior, hands-on C# Developer role at a global Asset Manager with c$3 million under management. As a Senior C# Developer within the trading engine team you'll collaborate … stakeholder management skills You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Senior C# Developer/Software Engineer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development ...

.NET Developer, C#, WPF - Mobile Telecommunications - London (Tech stack: .NET Developer, .NET 10.0, C# 14, 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 … 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. ...

Senior Java Developer - Multithreading/caching - sought by leading investment bank based in London - Contract *inside IR35 - umbrella* Key Responsibilities Develop and maintain high-performance backend services for complex data processing workloads. Design scalable architectures for large-volume calculations and data pipelines. Work closely with cross-functional teams to define ...

Overview This role supports and enhances business-critical applications and databases within a professional services environment. You'll work closely with technical teams and end users to ensure systems are secure, reliable, and optimised, contributing ...

Power the Core of Fintech Innovation: Senior Back-End Developer at Kodelab At Kodelab, we are shaping the future of fintech, blockchain, and AI-powered solutions. Our back-end infrastructure is the backbone of our success, powering everything from secure financial transactions to AI-driven platforms and Web3 integrations . … looking for a Back-End Developer who can build and maintain scalable, high-performance systems that keep our fintech ecosystem running seamlessly. This role is critical and sensitive to our operations, requiring a developer who is highly available, reliable, and proactive in maintaining system integrity. What You’ll Do Develop ...

Tech Lead - Award Winning Creative Agency Perm: £80,000-£90,000 Hybrid: 3 days per week to the London Office We're working with an award-winning digital experience studio that sits at the heart ...

An opportunity to join a growing broker/fintech which is seeing strong momentum in the Payments world. The ideal candidate will be responsible for conceptualizing and executing clear, quality code to develop the best ...

An opportunity to join a growing broker/fintech which is seeing strong momentum in the Payments world. The ideal candidate will be responsible for conceptualizing and executing clear, quality code to develop the best ...

Main purpose of role: The Senior Salesforce Administrator will lead the configuration, customisation, and administration of Gammas Salesforce platform, ensuring the platform supports strategic business goals, drives operational excellence, and evolves in line with business ...

We are seeking an exceptional C++ Engineer to join one of the world's most advanced high-frequency trading firms. This is a rare opportunity to work at the intersection of cutting-edge technology and ...

Job Description: Build AI-powered HealthTech apps from scratch and work directly with a hands-on CTO to shape product direction and technical strategy. You'll get future stock options and clear paths into senior ...

Founded in 2013, GSR is a leading market‐making and programmatic trading company in the fast‐evolving world of cryptocurrency trading. With more than 200 employees in 5 countries, we provide billions of dollars of ...

Description Senior Java Developer - Multithreading/caching - sought by leading investment bank based in London - Contract *inside IR35 - umbrella* Key Responsibilities Develop and maintain high-performance backend services for complex data processing workloads. Design scalable architectures for large-volume calculations and data pipelines. Work closely with cross-functional teams ...

innovative technology organisation is hiring a Full Stack Developer to build scalable, AI-powered applications on Microsoft Azure. The Role Develop modern UIs using React, TypeScript Build APIs and microservices (C#/.NET or Python) Integrate AI capabilities into web applications Work across Azure services (Service Bus, Event Grid ...

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 Our client ...

Lead Developer (Full Stack, AI) UK, Remote-first | £55k-£65k Remote-first | £55k-£65k Rare opportunity to join a high growth team building cutting edge AI products in a fast moving, creative environment. You'll be part of a small, high impact team with the autonomy and pace ...

OutSystems Developer (Low-Code Orchestration) Location: London Contract: 12 months We are currently supporting a confidential search for an OutSystems Developer to join a major enterprise programme in London on a 12-month contract. This role focuses on building scalable, secure, low-code applications and workflow orchestration solutions using ...

Title: Salesforce Marketing Cloud Lead Developer Location: London (Hybrid - 2 days per week in office) Salary: £65,000 - £80,000 + Benefits About the Role Seeking an experienced Salesforce Marketing Cloud Lead Developer to take ownership of our Marketing Cloud ecosystem. This is a hands-on technical leadership role where … Marketing Cloud ecosystem Provide technical leadership, mentoring, and guidance to internal teams and stakeholders Key Skills & Experience Proven experience as a Salesforce Marketing Cloud Developer or Lead Developer Strong hands-on expertise in Marketing Cloud Engagement (Email Studio, Journey Builder, Automation Studio) Experience with Marketing Cloud Personalization (Interaction Studio) Advanced ...

Junior Full Stack Developer Recyclr is a pre-seed startup creating a new breed of solutions for the waste and recycling industry to tackle £1bn of waste crime, recycling rates stuck at 44%, and £400m a year spent clearing fly-tippyng. Our founders have deep collective experience across scaling, product … design, software development, fundraising and exits. You’ll be a solid full stack Junior Full Stack Developer keen to take the next step in your career in a startup that's moving fast. You’ll have a 100% ownership mentality, be hands-on, able to deliver builds, tests, fixes ...

Hiring: Full Stack Web Developer We’re looking for a proactive and technically strong Full Stack Web Developer who is passionate about building modern, scalable web applications and delivering high‐quality digital experiences. You’ll thrive in a fast‐paced, collaborative environment, enjoy solving complex problems, and take pride … maintaining AAT’s web applications using modern frameworks and AWS cloud technologies . What will you be doing? As a Full Stack Web Developer , you’ll work across the full software development lifecycle, from solution design and architecture through to development, testing, deployment, and ongoing support. You’ll build responsive ...

Title: Dynamics 365 Developer & Support Engineer (Lead) Location: Hybrid - London (2 to 3 days on site) Salary: £87,000 per annum + benefits Contract Type: Permanent Overview We're recruiting a Dynamics 365 Developer & Support Engineer (Lead) to take ownership of the design, development, and support of Microsoft Dynamics ...

Senior Full Stack Developer - 2 days a week in London - £60-80k I am looking for a Full-Stack Developer to join a fast-growing data and analytics company working at the intersection of data engineering, software development, and AI. This will be to design and build scalable, high … FastAPI, Flask, or Django) Develop modern frontend applications using React and TypeScript Design and maintain RESTful APIs 5+ years’ experience as a full-stack developer AI & Modern Development Practices (Required) Experience using AI coding tools or assistants in day-to-day development Understanding of large language model (LLM) fundamentals ...

ServiceNow Developer Location: UK-wide office locations to choose from (Hybrid - 2 days onsite) Salary: £70,000 - £100,000 DOE + comprehensive benefits (Including training/development) Type: Permanent, Full-Time Are you a ServiceNow Developer looking to take your career to the next level? This is your chance … your career and be part of a team where your impact truly matters. ServiceNow Engineer/ServiceNow Consultant/ServiceNow Specialist/ServiceNow Application Developer/ServiceNow Platform Developer/ServiceNow Technical Consultant/ServiceNow Solutions Consultant/ServiceNow Implementation Consultant/Senior ServiceNow Developer/Lead ServiceNow Engineer/ ...

Main purpose of role: The Senior Salesforce Administrator will lead the configuration, customisation, and administration of Gammas Salesforce platform, ensuring the platform supports strategic business goals, drives operational excellence, and evolves in line with business ...

Job Description Remote based position Responsibilities: Lead the design and development of RESTful and SOAP APIs using MuleSoft Anypoint Platform, applying API-led connectivity principles (System, Process, Experience layers). Own and deliver complex Mule ...