151 to 175 of 285 Senior Developer Jobs in the UK

Senior Python Quant Developer London (Hybrid) The company A growing fintech business building advanced analytics and execution technology for institutional clients across the derivatives space. Their platform is used by leading hedge funds and asset managers to support relative value, volatility, and macro trading strategies. The environment combines … strong engineering standards with close interaction between trading, research, and technology teams. The role This is a senior engineering technology role focused on the core analytics platform that underpins pricing, screening, and execution workflows. You’ll play a key part in designing and evolving production systems used by traders ...

Senior Salesforce Developer (FSC/Data Cloud/Marketing Cloud) London (Hybrid) Up to £90,000 + Benefits UK Passport Holders/ILR Only. We're hiring a Senior Salesforce Developer to play a key role in a major platform transformation across Financial Services Cloud, Data … Data Cloud concepts (segmentation, identity resolution, data modelling) Experience integrating Salesforce with external systems Familiarity with Agile and CI/CD practices Salesforce Platform Developer I (or working towards) Nice to have: Financial services or regulated industry experience Exposure to Marketing Cloud Next/Advanced Data Cloud or Marketing ...

Banking client is seeking to recruit a Senior Full Stack Developer (React & .NET Core) on an initial 6 month based in London. It is hybrid and will require 3x days onsite per week. About the Role We are seeking a highly experienced Senior Full Stack Developer ...

Banking client is seeking to recruit a Senior Full Stack Developer (React & .NET Core) on an initial 6 month based in London. It is hybrid and will require 3x days onsite per week. About the Role We are seeking a highly experienced Senior Full Stack Developer ...

Senior/Lead Full Stack Developer — CrepChiefNotify CrepChiefNotify (CCN) is an international platform helping collectors source limited and in-demand items at retail price. With 50,000+ monthly active users and accelerating growth, we're looking for an exceptional Senior or Lead Full Stack Developer to take full technical ownership of our product. About the role: This is a rare opportunity to join as the first full-time developer at a company with proven product–market fit and serious momentum. You'll be taking over from a freelance development team with a structured ...

Senior Software Engineer - £75,000 (DoE) Title : Senior Software Engineer (C++) Client : Graphics Tech Location : Cambridge Salary : Up to £75,000 (DoE) This is an opportunity for a Senior Software Engineer to join a small team leading a niche within the graphics-tech industry. You will ...

client is seeking a Senior Python Developer to join a growing consultancy delivering user-centred digital solutions. This role offers the opportunity to work within multidisciplinary Agile teams, designing and building scalable, secure, and high-quality software that delivers meaningful impact for end users. As a senior … solution design, and play a key role in developing both client relationships and internal team capability. This position is ideal for an experienced developer looking to combine hands-on engineering with strategic input and mentorship. Responsibilities • Act as a subject matter expert, ensuring the delivery of high-quality, user ...

Senior Frontend Engineer Derbyshire (Hybrid, 3 days onsite) £85,000 to £90,000 This is an opportunity to join a fast growing digital engineering function at a pivotal point in its transformation. With multiple senior hires planned and urgent demand, this role offers real influence over customer facing … building scalable platforms that support millions of users. Engineering is empowered to shape decisions, not just deliver tickets. The Role You will be a senior individual contributor within frontend focused squads, working on high impact customer experiences. Build and evolve customer facing ecommerce journeys including browse, checkout, payments ...

Senior Front End Developer/Engineer (React JavaScript) Cirencester to £85k Opportunity to work on complex and interesting systems related to Artic Exploration in a beautiful Cotswolds based office, as part of a small team at a tech start-up, where you can make an impact and progress … your career. As a Senior Front End Developer you will design and develop Greenfield, data centric user interfaces that monitor artic ice flows and various other data points for clients within governments, defence, energy exploration and conservation. You'll focus on front end development, taking ownership of projects ...

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 ...

Central Employment Technology division are working with a scaling in-house Software team as they look to recruit a Mid-Senior .NET Developer, with the opportunity to work on digital projects like a new customer app and modern web platforms. Fully office based in Tyne & Wear, part … Package • Up to £50,000 salary • 25 days holiday + bank holidays • Holiday buy and sell options • Private medical insurance • Company pension scheme Mid-Senior .NET Developer profile:- You will contribute to the development and maintenance of the company's web platforms, working on end-to-end delivery ...

Senior Microsoft 365 Developeris required by fast growing and highly successful global organisation. This is a new opportunity within their experienced, dynamic IT team. Purpose:The Senior Microsoft 365 Developer will lead and innovate in the creation, customisation, and optimisation of Microsoft 365 and SharePoint solutions that ...

Senior Frontend Engineer, London Salary - 80,000 – £100,000 + bonus Location - London | Hybrid (2–3 days in office) A new Senior Frontend (React.js) Engineer is needed to join new team building a brand-new data platform for the Financial Services sector. This is a rare opportunity … sophisticated dashboards, visualisations, and exportable reports Shape key architectural decisions for scalability and performance Collaborate closely with design and backend teams in a small, senior squad Leverage AI-assisted tooling to accelerate development and innovation You Will Need – Strong experience with JavaScript, React and modern frontend architecture Proven track ...

Purpose: As an experienced Senior Software Developer, you’ll develop major components that power our consumer apps and global platform enabling over 17 million users to conveniently pay for parking. Responsibilities: Leave your fingerprints on the design of products, architect our infrastructure, and improve technical documentation ...

delivering high-end, immersive digital experiences for luxury brands, leading hotels, Michelin-starred restaurants, and high-end construction companies. Working closely with our Senior Developer and design team, you’ll collaborate on developing bold concepts into pixel-perfect, high-performance experiences. We run a modern JAMStack, headless architecture … browsing device. ✔︎ Identifying and resolving technical issues. ✔ Contribute to thought leadership including contributing to blogs, case studies, and award submissions. The Kind of Developer We’re Looking For ❌ You don’t need to be a senior. ✅ You do need to be curious, switched on, and proud of your craft. ...

Senior Software Developer Location: Newcastle Upon Tyne, England, United Kingdom Hybrid, 2 days onsite 1 yr. contract The tech stack spans Node.js and React-style front ends with Spring Boot microservices, cloud deployment on AWS (and some Azure exposure) supported by Git-based CI/CD (GitLab ...

Role: Senior Python/GenAI Developer Location: Dublin (OR) Belfast (Hybrid - 3 Days In-Office) Role Type: Permanent/Full-Time (FTE) Our client is looking for a Senior GenAI Application Developer/Engineer to join their global technology hub in Dublin. This is a high … move beyond basic AI experimentation and into the engineering of production-grade, autonomous systems. What our client is looking for: The Python Specialist: A developer with 6-10 years of professional experience. You must have 'under-the-hood' knowledge of Python, specifically for building high-throughput microservices and complex ...

Role: Senior C++ Software Developer Hybrid: 1 days in Office/4 days home Location: Bristol Salary/Package: £51k - £63K Health Cash Plan Access to a Benefits Portal and Employee Assistance Program EV Car and Cycle to work scheme Flexible weekly wellbeing time Dedicated Volunteering Time … becoming a key driver of our modernisation strategy in AWS after achieving a solid foundation with our applications. Profile: You are an established software developer interested in progressing your career. You are someone who prides yourself on innovation and embracing change and new ideas. People describe you as self ...

Role: Senior C++ Software Developer Hybrid: 1 days in Office/4 days home Location: Milton Keynes Salary/Package: £51k - £63K Health Cash Plan Access to a Benefits Portal and Employee Assistance Program EV Car and Cycle to work scheme Flexible weekly wellbeing time Dedicated Volunteering Time … becoming a key driver of our modernisation strategy in AWS after achieving a solid foundation with our applications. Profile: You are an established software developer interested in progressing your career. You are someone who prides yourself on innovation and embracing change and new ideas. People describe you as self ...

Global brand hiring: Senior AWS/Full Stack Engineer - 12 month contract - Remote/UK based🚀 I’m looking to connect with experienced engineers who thrive in cloud-native environments and enjoy building scalable, data-driven applications. 🔧 What we’re looking for: • 5+ years working with AWS services including ...

Network, Security, Product Delivery, Data System and Development Teams. The work you will be doing We are looking for an experienced and pro-active senior software developer to join our team. This is a hands-on software engineering role, ideal for someone who thrives on solving complex problems … proven through testing Apply software development, microservices and API design best practices, and participate in code reviews Produce relevant and high standard documentation, developer-level tests, and deployment procedures Give accurate task estimates, and provide progress status to management Collaborate with cross-functional teams including frontend developers, product managers ...

Title: Senior C#/.NET Developer - Financial Services (Risk/Securities Lending) Location: London (Hybrid) Duration: 6 Months contract Job Description Role Overview We are seeking an experienced C#/.NET Developer to join a technology team supporting critical Financial Services platforms, with a strong focus ...

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 … 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 ...

Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems. This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real-world trading strategies. … senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C#/.NET/SQL Server/ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain ...

Prestigious opportunity for a talented and experienced Senior Java Developer to join a fast growing technology and transformation team delivering innovative, large-scale engineering solutions.This role sits at the intersection of technology, data, and AI, working on some of the UK's most ambitious digital programmes. ...