1 to 25 of 52 Senior Software Developer Jobs in the UK

Senior Software Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. … The organisation is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Software Developer -Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components for maximum performance across a vast array of web- capable devices and … the highest quality. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Senior Software Developer -Experience Required Proven experience as a Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda More ❯

SENIOR SOFTWARE DEVELOPER - SC CLEARED BRAND NEW PERMANENT OPPORTUNITY AVAILABLE WITHIN A LEADING COMPANY FOR A SENIOR SOFTWARE DEVELOPER WITH SC CLEARANCE Permanent opportunity for a Software Developer with enhanced SC Clearance, eligible for DV Clearance Industry leading company supporting UK national security projects. Salary up to £85,000 DOE Manchester based … in an easily accessible location. To apply please call or email WHO ARE WE? We are recruiting Senior Software Developers with a wide variety of experience to work with an industry-leading cyber/National Security/defence client with office locations in and around Manchester. The expertise of our engineers drives us forward, and we're looking … us. Due to the nature of these clients, you must hold SC Clearance and be eligible to obtain DV Clearance to work on National Security projects. WE NEED THE SENIOR SOFTWARE DEVELOPER TO HAVE.... SC Cleared and eligible and willing to undergo DV clearance. Proficient in a range of modern programming languages, including Java, Python or Go More ❯

Senior Software Developer - £65,000 to £85,000 – Hybrid – London FryerMiles are delighted to be working with a global AI business to assist with their recruitment of a Senior Software Developer to join their team in London. This is a fantastic opportunity for Senior Software Developer to join a rapidly growing … with AI/Machine Learning Desirable experience, with Angular and Flutter Eligible to work in the UK and obtain UK Security Clearance (as a minimum) If you're a Senior Software Developer with good problem solving and creativity skills, please apply today and one of our Consultant's will be in contact to discuss the role in … more detail. Senior Software Developer - £65,000 to £85,000 – Hybrid – London More ❯

Senior Application and Integration Developer/Software Developer An excellent opportunity to join the organisations IT team, developing innovative applications and systems integrations using Microsoft Power Platform, BizTalk and SharePoint to deliver business-critical digital solutions. If youve also worked in the following roles, wed also like to hear from you: Web Developer, Application Engineer … Systems Developer, API Developer This job is officially known within the organisation as a Senior Application and Integration Developer SALARY: £48,630 to £54,773 per annum + Benefits (see below) LOCATION: Garthdee, Aberdeen/Hybrid working JOB TYPE: Full-Time, Permanent WORKING HOURS: 35 Hours per Week JOB OVERVIEW We have a fantastic new job … opportunity for a Senior Application and Integration Developer/Software Developer. As the Senior Application and Integration Developer/Software Developer, you will design, build and maintain integrations that connect internal and cloud-based systems, ensuring secure, efficient data flow and automation across the organisation. The Senior Application and Integration Developer More ❯

Senior Software Developer - Digital and Customer Experience Location: Leeds - Hybrid (UK-based) Level: Senior/Lead Developer Tech Stack: C# .NET | Azure | Blazor | Modern Front-End | DevOps | AI Tools Salary : Up to 80,000 + Benefits Are you a passionate and experienced developer who wants to make a real impact in an award-winning … innovation-driven environment? WRK digital are delighted to be shortlisting for a Senior Software Developer to help us reshape how a major legal organisation delivers its digital services. You'll be joining a collaborative, agile team that's already turning heads in the industry - recognised with awards for AI, innovation, and digital transformation, including Transformation Team of … the Year. From AI-powered development tools to cutting-edge cloud architecture, this Software Development team are investing in innovation to deliver smarter, faster, and more secure innovative solutions. ?? About the Role: As a Senior Software Developer, you'll: Lead the design and development of scalable, high-performance applications using the Microsoft stack (C# .NET, Azure More ❯

A fantastic opportunity for a Senior Software Engineer to work for a Health-Tech software company, which is making technological advances and solutions that help the NHS. Having grown to almost 100 people, they are looking to bring on an experienced Developer to work within their back-end platform and systems integration team. This team uses … to travel to Ipswich, Suffolk twice a quarter) – must be UK based Salary: Up to £65,000 per annum + benefits (with a clear salary progression path) Requirements for Senior Software Developer Strong commercial experience working in a senior software engineering capacity using PHP, Laravel & MySQL Experience specifically with message queues and event-driven systems. … skills – this team is highly collaborative so they are looking to continue this with great communicators Experience in the following is beneficial: RabbitMQ, JavaScript, React, Redis, Electron Responsibilities for Senior Software Developer Working in an agile environment you will be working on web application development using a broad range of technologies including PHP, Laravel, MySQL, RabbitMQ, JavaScript More ❯

company at the forefront of RNA sequencing innovation. Combining advanced bioinformatics with cutting-edge molecular science, this organisation is developing next-generation tools for biomarker discovery and transcriptomic analysis. Senior Software Developer Permanent, Full-time (Hybrid – minimum 2 days on-site) £ Competitive + Excellent Benefits Midlothian, Scotland Senior Software Developer Responsibilities: Develop and maintain … high-performance software to support large-scale RNA data analysis. Optimise existing codebases to improve performance, robustness, and maintainability. Translate research-driven analyses into automated, tested pipelines for routine data processing. Uphold best practices in version control, testing, documentation, and software quality assurance. Guide and mentor team members through code reviews, pair programming, and training. Ensure software compatibility with required computing environments and compliance standards. Senior Software Developer Requirements: Proven commercial Python development experience. Strong understanding of software optimisation and performance tuning. Experience with Python testing frameworks (e.g. unittest, pytest, or nose). Proficiency with Git (preferably GitHub). Comfortable working in Linux command-line environments. Experience mentoring or supporting other developers. More ❯

Senior Software Developer – Borehole Geophysics Robertson Geo is a global company based in North Wales that designs, develops and manufactures market-leading geophysical wireline technologies. We currently have an opportunity for a Senior Software Developer to join our multi-disciple engineering team. You will be part of an 11-strong engineering team, you will … play a key role in delivering advanced geophysical logging software solutions that integrate seamlessly with our world-class downhole logging technologies. You will be involved throughout the full software development lifecycle — from concept to release — ensuring robust, efficient, and high-quality solutions that meet demanding technical requirements. Your role will be fully embedded in our technical ethos to … provide world-leading geophysical downhole logging software. Our software is the interface between our advanced measurement systems and our customers — it is what they see, use, and rely on every day. As we expand globally, delivering intuitive, reliable, and high-performance software is critical to customer satisfaction and to the company’s success. The challenge lies not only More ❯

Senior Software Developer required by a successful software company with an international client base. The Senior Software Developer will be responsible for full stack development with C# and React as part of the ongoing evolution of the company's core SaaS product as they evolve a traditional monolith architecture towards a modular monolith. More ❯

Senior Software Developer On-Site role in Nottingham Salary of £45-55k Multiple roles available No sponsorship offered To apply please email About the client: My client are a successful Nottingham based software company who design and build solutions for a range of leading clients. A series of wins means that they are now looking … for local and dedicated Software Developers to join their close-knit team. The Software Developer role: You will be developing high quality code and maintaining our clean coding practices. C#, .Net, VB.Net, SQL Software Developer - Essential Skills: Experience working with C# Commercial experience of .NET Can do attitude with good communication skills Knowledge of MS More ❯

Senior Developer (ASP.Net Core, C#) - Nottingham/hybrid remote - Salary £60K - £75K DOE plus flexible hours, hybrid working (2 days a week in office), 25 days holiday + bh, latest technologies, excellent progression and more! The Role A unique and exciting new opportunity has arisen for an experienced Software Developers (ASP.Net Core, C#, AWS) to join a … The expectation for this role is 2 days a week of your choice in the office including flexible hours (their core hours are between 10am - 3pm). As a Software Developer (ASP.Net Core, AWS, C#) you will be responsible for a wide range of innovative projects from development of their innovative cloud-based enterprise system to internal systems. … drive forward their technical direction. You will need to be self motivated and enjoy working in a fast-paced rapidly changing environment. You will be working closely with other senior developers so will have the opportunity to voice your creativity as well as learn and grow with the very latest technology. This role is a FULL STACK role so More ❯

Senior Software Developer Location: Surrey office (during probation) then Remote/Hybrid – because we trust you not to code in your pyjamas... much Please do not apply if you need sponsorship, this company does not sponsor. Salary: £55k-£60k Benefits that don't include free pizza (sorry) The Gig Fancy joining a well-established SaaS company that … s been innovating since 1998? They're looking for a Senior Software Developer who enjoys tackling complex technical challenges. You'll be building and maintaining their platform that helps the UK public sector communicate effectively – think of it as WhatsApp for grown-ups with important jobs. What You'll Be Doing Writing code that actually works (revolutionary … load Code reviews (yes, someone will judge your variable names) Keeping up with tech trends that change faster than British weather What They Need From You 5+ years of software development experience (all paths to expertise are welcome) Strong skills in .NET, JavaScript, TypeScript, C# Experience with React, Angular, or Vue.js (frontend wizardry) Knowledge of databases (both SQL and More ❯

Senior Platform Software Developer | 3-Month Contract (Possible Extension) | £550-£650p/day | Fully Remote | GCP, Docker, Kubernetes | Start: Immediately The Opportunity My client is seeking a senior-level software developer to design and build core services for their cloud-native platform. This role is critical to improving scalability, performance, and reliability across distributed … Pub/Sub, Kafka) Clear communicator & proven technical leader If you think that this is the role for you, then APPLY NOW and I shall give you a call! Senior Platform Software Developer | 3-Month Contract (Possible Extension) | £550-£650p/day | Fully Remote | GCP, Docker, Kubernetes | Start: Immediately Oscar Associates (UK) Limited is acting as an More ❯

We are looking for a Senior Software Developer (Azure) to join the Frontier team, on a permanent, full-time basis. This is a fully homebased role but there will be a requirement to attend sites when needed. You will be an integral part of a high-performing team, working with Microsoft technologies to implement complex data solutions … configuration, development & deployment Proven experience with iterative development methodologies (Agile, Scrum) Strong communication skills are necessary for effective collaboration across diverse technical and business teams. Your Role As a Senior Software Developer (Azure) your role will involve: Delivering high-quality enterprise-level data solutions on Microsoft platforms. Delivering all Azure technical components including configuration, deployment, and maintenance … of PySpark to optimize and develop workbooks Configuring Informatica to integrate data with our EDP platform as well as create and monitor data quality rules Collaborating with Architects and Senior Engineers to deliver LLDs to required technical designs and specifications. Collaborating with the business to ensure solutions delivered meet business requirements. Working closely with Engineering, Digital, and Core Systems More ❯

Lead Software Developer required by a leading global Cloud Technology company based in Bracknell. The company are working on cutting-edge technology including AI and propensity modelling. The Lead Software Developer will be responsible for the software engineering output of the team. This will be a leadership role however success candidate will be expected to … hands-on, writing code when required, as well as designing architecture. Therefore the successful candidate will have strong hands-on coding knowledge. The company are happy to consider a Senior Developer who is looking to step up into more of a leadership role. They operate on a hybrid model which involves 3 days in the office and … days from home. Essential experience: Degree in STEM subject from a Russell Group or Red Brick University Experience leading software development teams Knowledge of either C# or React Strong experience with SQL Source control, ideally Git Agile Any experience in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker More ❯

Lead Software Developer required by a leading global Cloud Technology company based in Bracknell. The company are working on cutting-edge technology including AI and propensity modelling. The Lead Software Developer will be responsible for the software engineering output of the team. This will be a leadership role however success candidate will be expected to … hands-on, writing code when required, as well as designing architecture. Therefore the successful candidate will have strong hands-on coding knowledge. The company are happy to consider a Senior Developer who is looking to step up into more of a leadership role. They operate on a hybrid model which involves 3 days in the office and … days from home. Essential experience: Degree in STEM subject from a Russell Group or Red Brick University Experience leading software development teams Knowledge of either C# or React Strong experience with SQL Source control, ideally Git Agile Any experience in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker More ❯

Senior Software Developer C#, .NET Core, Blazor, SQL Server Salary up to £65k Hybrid role - 2 days per week on-site in Warwick 25 days holidays plus bank holiday Opportunity to grow your career Call 07584 358 089 or email to apply Based on the outskirts of Warwick we are a well established software house that … has received some big client wins so are now looking for senior developers to join the team We are a small but highly skilled team of software developers working on several greenfield projects. We pride ourselves on providing the best quality and service to our clients. We are long established in the area and count some huge names … amongst our client base. Responsibilities... Your role will centre on performing problem solving, conceptual skills, solving of production issues translating high level requirements from the business into software solutions. As a developer you will also be expected to keep abreast of new technologies and suggest any technologies you feel could work if implemented to current and new projects. More ❯

Senior Software Developer C#, .NET Core, Blazor, SQL Server Salary up to £65k Hybrid role - 2 days per week on-site in Warwick 25 days holidays plus bank holiday Opportunity to grow your career Call (phone number removed) or email (url removed) to apply Based on the outskirts of Warwick we are a well established software house that has received some big client wins so are now looking for senior developers to join the team We are a small but highly skilled team of software developers working on several greenfield projects. We pride ourselves on providing the best quality and service to our clients. We are long established in the area and count … huge names amongst our client base. Responsibilities... Your role will centre on performing problem solving, conceptual skills, solving of production issues translating high level requirements from the business into software solutions. As a developer you will also be expected to keep abreast of new technologies and suggest any technologies you feel could work if implemented to current and More ❯

1X2 Network, the multi-award winning iGaming supplier, is looking for a Senior Software Developer. This is an opportunity to join a highly creative, rapidly expanding independent software company. About 1X2 Network 1X2 Network has pioneered iGaming development for over 2 decades and now encompasses a number of game development studio subsidiaries. We supply a broad array … leading iGaming companies at industry events and festivals. We are proud of our international team and large global partnerships with leading clients. The Position We are seeking a talented Senior Software Developer to join our dynamic team. The successful candidate will be responsible for designing, developing, and maintaining Java-based applications, contributing to the full software development lifecycle from concept to deployment and beyond. This role is ideal for a passionate developer looking to further their career in a challenging and rewarding environment. Responsibilities Develop and maintain high-quality Java applications Collaborate with cross-functional teams to define, design, and ship new features Write well-designed, efficient, and testable code Conduct code reviews and More ❯

1X2 Network, the multi-award winning iGaming supplier, is looking for a Senior Software Developer. This is an opportunity to join a highly creative, rapidly expanding independent software company. About 1X2 Network 1X2 Network has pioneered iGaming development for over 2 decades and now encompasses a number of game development studio subsidiaries. We supply a broad array … leading iGaming companies at industry events and festivals. We are proud of our international team and large global partnerships with leading clients. The Position We are seeking a talented Senior Software Developer to join our dynamic team. The successful candidate will be responsible for designing, developing, and maintaining Java-based applications, contributing to the full software development lifecycle from concept to deployment and beyond. This role is ideal for a passionate developer looking to further their career in a challenging and rewarding environment. Responsibilities Develop and maintain high-quality Java applications Collaborate with cross-functional teams to define, design, and ship new features Write well-designed, efficient, and testable code Conduct code reviews and More ❯

SC Cleared Senior Software Developer in Test Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary Negotiable, DoE, 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 … products, with systems to track unsafe products Powering systems that help the government monitor and reduce greenhouse gas emissions from commercial transport Role Summary We are seeking an experienced Software Developer in Test to lead the development and implementation of robust test automation frameworks. This role is ideal for a self-driven individual with a strong background in … Cypress, and Selenium WebDriver, and the ability to work independently from the ground up. You will play a key role in ensuring the quality, accessibility, performance, and security of software products through comprehensive automated testing strategies. Working closely with cross-functional teams in an Agile environment, you'll be instrumental in driving continuous improvement in test practices and delivering More ❯

SC Cleared Senior Software Developer in Test Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary Negotiable, DoE, 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 … products, with systems to track unsafe products Powering systems that help the government monitor and reduce greenhouse gas emissions from commercial transport Role Summary We are seeking an experienced Software Developer in Test to lead the development and implementation of robust test automation frameworks. This role is ideal for a self-driven individual with a strong background in … Cypress, and Selenium WebDriver, and the ability to work independently from the ground up. You will play a key role in ensuring the quality, accessibility, performance, and security of software products through comprehensive automated testing strategies. Working closely with cross-functional teams in an Agile environment, you'll be instrumental in driving continuous improvement in test practices and delivering More ❯

Senior Software Developer | Colchester | Full Time| £40,000-£50,000 depending on experience + benefits Our client is a specialised Freight Forwarding and Fuel Distribution Software company with over 30 years of Software development experience. The company offers a flexible working environment with standard office hours from 9:00 am to 5:30 pm with … with users to determine functional specifications After a period of induction/familiarisation the successful candidate will be expected to liaise with clients to ascertain requirements Code & Maintain existing software suites & design & build functional improvements & bug fixes Support existing customer base via phone/email/face to face What can you expect in return? The chance to join More ❯

Senior Software Developer - Transform Public Sector Tech No sponsorship can be given Location: Surrey (Office-based during probation, then Remote/Hybrid) Salary: 55,000 - 60,000 + Excellent Benefits Experience: 5+ years Ready to make a real impact?Join a thriving UK SaaS company that's revolutionizing how the public sector connects with citizens. We're … architectural decisions in a microservices environment Work with cutting-edge tech including Docker and modern DevOps practices Collaborate with brilliant minds solving complex technical challenges What You Need5+ years software development experience (SaaS preferred) Strong skills in React, JavaScript, TypeScript, C# Experience with microservices, containerization (Docker) Knowledge of SQL & NoSQL databases CI/CD pipeline experience What's In … It For You?Clear career progression to Lead Developer roles Health insurance (year 2+) & pension Flexible working post-probation Continuous learning & mentorship opportunities Work on software that genuinely matters to society Ready to level up your career while making a difference? Apply now - this won't be available long More ❯

Senior Software Developer - Transform Public Sector Tech No sponsorship can be given Location: Surrey (Office-based during probation, then Remote/Hybrid) Salary: £55,000 - £60,000 + Excellent Benefits Experience: 5+ years Ready to make a real impact?Join a thriving UK SaaS company that's revolutionizing how the public sector connects with citizens. We're … architectural decisions in a microservices environment Work with cutting-edge tech including Docker and modern DevOps practices Collaborate with brilliant minds solving complex technical challenges What You Need5+ years software development experience (SaaS preferred) Strong skills in React, JavaScript, TypeScript, C# Experience with microservices, containerization (Docker) Knowledge of SQL & NoSQL databases CI/CD pipeline experience What's In … It For You?Clear career progression to Lead Developer roles Health insurance (year 2+) & pension Flexible working post-probation Continuous learning & mentorship opportunities Work on software that genuinely matters to society Ready to level up your career while making a difference? Apply now - this won't be available long More ❯