276 to 300 of 1,442 Senior Developer Jobs in England

platforms to scale across jurisdictions, healthcare models and regulatory expectations without losing focus on quality or safety. Role Summary We’re looking for a Senior .NET Developer who can independently deliver high-quality software and play a key role in replacing legacy .NET Framework systems with a modern … takes ownership of features from idea through to completion, communicates clearly, and focuses on delivering tangible value. You will work closely with other Senior Developer, the Lead Developer, and our Software Architect. We are also beginning to introduce AI-assisted and agentic coding practices, and Senior ...

Guidewire PolicyCenter Senior Developer - London/hybrid - 6 months - £409 - starting 20/1/26 Skills/experience Extensive experience with Guidewire PolicyCenter 1. Core Guidewire Knowledge (PolicyCenter) Strong understanding of PolicyCenter data model and business processes. Hands-on experience with Gosu programming (inheritance, polymorphism, exception handling ...

Senior Software DeveloperLocation: Derby (Hybrid – 1 day in the office per week) Salary: Competitive, dependent on experience Working Hours: 38 hours/week, 8:00am–6:00pm, 4 days per week Our client, a vibrant and growing technology company, is seeking an experienced Senior Software Developer … complex processing systems Strong experience with GIT source control and JIRA Requirements analysis and system scoping experience 10+ years commercial software development experience (senior level) Bachelor’s Degree in Computer Science or related field Desirable Skills Frontend frameworks such as Angular or React Mobile app development (iOS/Android ...

Senior Frontend Developer (React.js) | Brand New Trading Payments Desk | £130,000 + Bonus + Benefits | London Hybrid I am looking for a Senior Frontend Engineer with React focus for a Trading House that build cross asset trading systems. The FinTech are building from the ground … currently expanding their team to work on a completely greenfield build, payments platform. As a Senior Frontend, your role will be to come in and build out a new Payments platform working very closely with another engineer to redesign parts of the system and lead from the front ...

Senior Frontend Developer (React.js) | Brand New Trading Payments Desk | £130,000 + Bonus + Benefits | London Hybrid I am looking for a Senior Frontend Engineer with React focus for a Trading House that build cross asset trading systems. The FinTech are building from the ground … currently expanding their team to work on a completely greenfield build, payments platform. As a Senior Frontend, your role will be to come in and build out a new Payments platform working very closely with another engineer to redesign parts of the system and lead from the front ...

Senior Frontend Developer (React.js) | Brand New Trading Payments Desk | £130,000 + Bonus + Benefits | London Hybrid I am looking for a Senior Frontend Engineer with React focus for a Trading House that build cross asset trading systems. The FinTech are building from the ground … currently expanding their team to work on a completely greenfield build, payments platform. As a Senior Frontend, your role will be to come in and build out a new Payments platform working very closely with another engineer to redesign parts of the system and lead from the front ...

Senior Java Developer Chester - 2 days per week. £70,000 - £90,000 + annual bonus and 30 days holiday + bh. I'm hiring a Java Developer for one of my biggest clients in financial services. A bank but a tech-led organisation with a mission … about clean architecture, quality code, and building systems that matter, this could be your next step. What You'll Be Doing As a Java Developer, you'll play a key role in designing and building modern, cloud-native applications used at scale. You will: Design, develop, test, and deploy ...

Senior Java Developer Chester - 2 days per week. £70,000 - £90,000 + annual bonus and 30 days holiday + bh. I'm hiring a Java Developer for one of my biggest clients in financial services. A bank but a tech-led organisation with a mission … about clean architecture, quality code, and building systems that matter, this could be your next step. What You'll Be Doing As a Java Developer, you'll play a key role in designing and building modern, cloud-native applications used at scale. You will: Design, develop, test, and deploy ...

Senior Java Developer Chester - 2 days per week. £70,000 - £90,000 + annual bonus and 30 days holiday + bh. I'm hiring a Java Developer for one of my biggest clients in financial services. A bank but a tech-led organisation with a mission … about clean architecture, quality code, and building systems that matter, this could be your next step. What You’ll Be Doing As a Java Developer, you’ll play a key role in designing and building modern, cloud-native applications used at scale. You will: Design, develop, test, and deploy ...

Senior Software Developers - 6-Month Contract - Inside IR35 £400 per day | Remote/UK-Based | NHS Experience Essential | BPSS Eligible We're seeking three Senior Software Developers to join a high-performing team delivering modern digital services across the NHS. You will help build, support, and evolve critical ...

Senior Software Developers - 6-Month Contract - Inside IR35 £400 per day | Remote/UK-Based | NHS Experience Essential | BPSS Eligible We're seeking three Senior Software Developers to join a high-performing team delivering modern digital services across the NHS. You will help build, support, and evolve critical ...

Senior Mobile Backend Developer (Java/Kotlin, AWS, Microservices) Contract Manchester Hybrid We are hiring a Senior Mobile Backend Developer to work on high-scale, cloud-native platforms supporting mobile applications in a regulated environment. This is a hands-on backend role focused on Java/ ...

client, an award-winning EAP and OH provider, is looking for a talented Senior Backend Developer to join a purpose-driven tech team that creates solutions making a real difference in people's lives. This is more than just a job, it's a chance to shape systems … that support employee wellbeing in businesses across the UK & Ireland. The Role As a Senior Backend Developer , you'll be a founding member of a newly formed cross-functional engineering team. You'll play a key role in setting the tone for the team's culture, practices ...

client, an award-winning EAP and OH provider, is looking for a talented Senior Backend Developer to join a purpose-driven tech team that creates solutions making a real difference in people's lives. This is more than just a job, it's a chance to shape systems … that support employee wellbeing in businesses across the UK & Ireland. The Role As a Senior Backend Developer , you'll be a founding member of a newly formed cross-functional engineering team. You'll play a key role in setting the tone for the team's culture, practices ...

Senior Solutions Architect/Backend Developer Location: Hybrid – Hatfield (Tues–Thurs on-site) Salary: £60,000 - £70,000 Type: Full-time, Permanent (no visa sponsorship) We’re looking for a hands-on Senior Solutions Architect or Senior Backend Developer who wants to take real ownership ...

Senior Full Stack Developer | C# & React | Greenfield Trading Platform | London, Hybrid | Up to £120k + Bonus, Benefits Note: This role does not provide Visa Sponsorship Our client is looking for a Senior Full Stack Developer with strong expertise in C# to join them in shaping … core back-end technology across the business. React is used for the front-end, making experience with it beneficial but secondary. As a Senior Developer, you'll be hands-on in development while also contributing to technical decisions. Salary: Up to £120,000 + Strong Bonus + Benefits ...

Senior Full Stack Developer | C# & React | Greenfield Trading Platform | London, Hybrid | Up to £120k + Bonus, Benefits ❗ Note: This role does not provide Visa Sponsorship ❗ 💹 Our client is looking for a Senior Full Stack Developer with strong expertise in C# to join them in shaping … core back-end technology across the business. React is used for the front-end, making experience with it beneficial but secondary. As a Senior Developer , you’ll be hands-on in development while also contributing to technical decisions. 💸 Salary: Up to £120,000 + Strong Bonus + Benefits ...

Senior Frontend Developer Leeds - 1 day onsite per week 6 Month Contract £600/day inside IR35 About the Role Our client is seeking a Senior Frontend Engineer to join their Product Development team. In this hands-on role, you'll build high-performance, customer-facing applications ...

Title: Senior Systems Developer DETAILS We are seeking a highly skilled Senior Systems Developer with extensive experience in data architecture, system design, and enterprise-level application development. The successful candidate will be responsible for constructing scalable systems, designing robust data models, and guiding the technical direction ...

Senior Backend Python Developer (Cloud & Microservices) Salary: Up to £90,000 Location: Hybrid, London HQ Reporting to: Head of AI and Data Science Overview Our client is hiring a Senior Backend Python Developer to build and maintain scalable backend systems supporting AI and automation projects. … driven applications. Implement best practices in CI/CD , unit testing , and system integration . Key Skills & Experience Proven experience as a Backend Python Developer , ideally within cloud environments. Solid understanding of microservice architecture and API development . Experience with AWS or Azure and containerisation (Docker, Kubernetes). Exposure ...

know better than most that great systems dont happen by accident - theyre crafted. As Senior SoftwareDeveloper, youll step into a role where your work shapes the tools a busy service team relies on every day, building intuitive interfaces and maintaining critical platforms that keep operations running smoothly. Whats … discounted gym membership Work-from-home policy Supportive, skilled colleagues who care about high-quality code What youll be getting stuck into as a Senior Software Developer Developing new features and applications using React and PHP Maintaining and improving an existing CRM Working through ticket-based workflows with ...

Senior Full Stack Developer Northampton | Up to £60,000 per annum | Hybrid (1-2 days on-site per week) Proactive IT Appointments are supporting a leading organisation in Northampton in their search for a Senior Full Stack Developer to join their team on a permanent basis. ...

Senior UI Developer About the Company: Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation. Apexon ...

Senior UI Developer About the Company: Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation. Apexon ...

know better than most that great systems don’t happen by accident - they’re crafted. As Senior SoftwareDeveloper, you’ll step into a role where your work shapes the tools a busy service team relies on every day, building intuitive interfaces and maintaining critical platforms that keep operations running … membership Work-from-home policy Supportive, skilled colleagues who care about high-quality code What you’ll be getting stuck into as a Senior Software Developer Developing new features and applications using React and PHP Maintaining and improving an existing CRM Working through ticket-based workflows with pull ...