111 software developer jobs found

Junior Software Developer (SC Cleared) London (Hybrid) 6 Month Contract to £300/day (Inside IR35) Junior Software Developer needed with active SC Security Clearance and strong C#, .NET, SQL, skills. 6 Month Contract based in Central London (Hybrid). Start ASAP in Feb/March 2026. Hybrid Working - 2 days/week remote (WFH), and 3 days/week working on-site from the Central London office. A chance to work with a leading global IT and Digital transformation business specialising in Government projects: Experienced Software Developer / Software Engineer to join our team and work on the development of data modelling solutions Must have in-depth C#, .NET, SQL, development expertise. Experience of Agile methods, Azure DevOps, CI/CD pipeline maintenance + automation scripting, also strongly preferred. Banking / Financial Services domain experience preferred. Must hold active SC Security Clearance used on a project within the past 12 Months

Software Developer (SC Cleared) London (Hybrid) 6 Month Contract to £700/day (Inside IR35) Software Developer needed with active SC Security Clearance and strong C#, .NET, SQL, Angular, HTML and JavaScript skills. 6 Month Contract based in Central London (Hybrid). Start ASAP in Feb/March 2026. Hybrid Working - 2 days/week remote (WFH), and 3 days/week working on-site from the Central London office. A chance to work with a leading global IT and Digital transformation business specialising in Government projects: Experienced Software Developer / Software Engineer needed to join our team working on the development of data modelling solutions. Must have in-depth C#, .NET, SQL, Angular, HTML + JavaScript development expertise. Experience of Agile methods, Azure DevOps, CI/CD pipeline maintenance + automation scripting, also strongly preferred. Banking / Financial Services domain experience preferred. Must hold active SC Security Clearance used on a project within the...

Software Developer - IDMS - Tax - Contract Telford - 2 days per month onsite 6-month Contract SC Clearance is required for this role Hiring for an experienced Software Developer / Engineer to join the Tax Admin team, supporting critical enterprise tax systems. This role requires strong technical expertise across legacy and client-server technologies, with a focus on stability, enhancement, and continuous improvement of live services. Responsibilities include: * Design, develop and maintain PL/SQL and CA Gen applications * Support deployment activities and Implementation Management * Manage clone activities including restores, robotics coordination, testing, and patch upgrades * Troubleshoot performance issues and provide technical support * Collaborate across incident, problem, and continuous improvement forums * Participate in code reviews and promote engineering best practice * Drive batch performance improvements and reduce failure rates * Support audit and...

Your new company: You will be joining a leading professional services organisation that operates across the UK & Ireland in order to improve standards, increase knowledge and ultimately help protect members and the wider industry. With a Glasgow city centre HQ, they employ almost 200 staff across a range of business units including an Information Services team. They have invested significantly in modern business applications in order to improve services and efficiency. They currently have an immediate requirement for a Software Developer to join the team of 7. This role will be a 12 month fixed term contract. Your new role: You will join a well-established team of 7 responsible for the support and development of existing business applications. You will help design and develop suitable integrations for any new solutions. You will working closely with other teams in order to clarify any business requirements and help shape solutions. You will work across a variety of...

Perl Developer Certain Advantage are hiring for a Perl Developer based in Stevenage. (Once a month onsite in Stevenage) This role is on an initial 6-month contract basis. The company: We’re working with a leading defence and aerospace organization that designs, develops, and delivers advanced missile systems and related technologies. It supports national and allied armed forces with cutting-edge, integrated solutions across air, land, and sea domains. The role: Code technical publication stylesheets using PERL language Develop database solutions to store and retrieve company information Install and configure information systems to ensure functionality Analysing, planning, and defining data architecture framework, including security, reference data, metadata, and master data Migrate data from legacy systems to new solutions Improve system performance by conducting tests, troubleshooting and integrating new elements Optimize new and current database systems Define security...

World Class Defence Organisation is currently looking to recruit a remote PERL Software Engineer subcontractor on an initial 6 month contract. Job Title:  PERL Software Engineer Rate: £77 - £84 per hour Location: Stevenage Hybrid / Remote working: This role is a remote based role – with just 1 visit to the Stevenage site per month. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) PERL Software Engineer Job Description: The Software department are looking for a software developer with experience in the PERL programming language. We require someone who can create and update text-based templates used in Technical Publications authoring and publishing tasks. Knowledge of the Technical Publications publishing process would be an advantage but not a requirement. Assistance in updating and in some cases,...

Your new company We are delighted to be working on behalf of the NI Assembly in the recruitment of 2 Senior Business analysts to work on projects within the information systems space. These will be 12-month contract roles with possibility of extension. Your new role The Senior Business Analyst will work as part of the Business Relationship function to translate business requirements accurately into road maps, milestones, and user stories, apply complex business rules, and interpret regulatory documents. They will also support other staff of the IS Office by resolving technical issues and interacting with business areas of the Northern Ireland Assembly.The main duties and responsibilities of the post are to: Build knowledge and understanding of two main areas; Current IS technology base - infrastructure and software environments;Assembly Procedures. Assist in the running of IS Office related Project and Change Management projects Work alongside Assembly Commission business...

Content Designer Rate: £460 Clearance Required: BPSS Duration: 3 months Telford with 2 days/week in office Digital - MTD - Sign Up & Software Choices Making Tax Digital (MTD) is fundamentally transforming the UK tax system to use digitally integrated tools. MTD is a key part of the government's ambition for the client to become one of the most digitally advanced tax authorities in the world. MTD will make it easier for businesses, self-employed individuals, and landlords to get their tac right first time by integrating tax into their day-to-day business activities through use of software and digital tools. It will create a single, up-to-date view of a customer's tax affairs in one, modern and robust IT System. What you'll do* Work collaboratively with user researchers, interaction designers, service designers and performance analysts as well as with software developers, policy and legal teams -Write high quality content for client new digital services that will encourage...

Senior Java Developer | Financial Services | 6‑month contract | £500–£550 | | Inside IR35 | Hybrid Swindon A leading financial services organisation in Swindon is looking for an experienced Senior Java Developer to join an established engineering team working on high‑availability, business‑critical payment systems. This is a great opportunity for someone who enjoys complex backend engineering, secure transaction processing, and contributing to a mature agile environment. The Role You’ll be joining a team where you will be responsible for maintaining and enhancing the organisation’s core card platform. Your work will involve a blend of feature development, system optimisation, and technical problem‑solving across a highly regulated, high‑volume environment. What We’re Looking For Strong commercial experience with Java 17 and modern engineering frameworks Solid skills in SQL, Spring Boot, and Hibernate development practices Proven ability to build microservices and...

We are seeking a Full Stack Developer to support the design, build and scaling of a modern healthcare analytics platform. This role will play a key part in developing new product features across frontend, backend and cloud infrastructure, contributing to architectural decisions and ensuring high quality, secure and scalable delivery. You will be working within a product focused environment, collaborating closely with technical and non technical stakeholders to shape features that directly impact healthcare providers. This role is ideal for someone who enjoys building robust solutions, working with complex datasets and delivering intuitive user experiences within a healthcare setting. Proven healthcare sector experience is essential. Main Duties • Design, build and maintain full stack features end to end • Develop clean, reusable and maintainable code across frontend and backend • Contribute to architecture and technical design decisions • Build and consume REST APIs • Develop...

Senior Guidewire Developer / Consultant Work Location: Norwich or Perth, UK (Onsite / Office-based) Contract Type: Contract – 6 Months Rate: Market Rate Our client is a large UK-based financial services and insurance organisation, operating at enterprise scale with a strong focus on digital transformation and cloud modernisation. The organisation is currently undertaking a strategic consolidation of its Policy and Claims administration platforms, leveraging modern Guidewire cloud technologies to support new insurance products and future growth. They are seeking an experienced Senior Guidewire Developer / Consultant to support Guidewire PolicyCenter and ClaimCenter v10 implementations and cloud migration initiatives. The role involves hands-on development, system integration, performance optimisation, and collaboration with cross-functional teams in a complex enterprise environment. Role Overview * Support large-scale Guidewire Policy and Claims platform transformation...

IDAM Back-end Java Developer - SC Cleared Rate: £500 - £535 a day IR35: Inside IR35 Location: Remote within the UK Duration: Initially 6 months Clearance: Active SC Clearance required You will join a global IT consultancy who are delivering digital transformation to public sector body. They are looking for a back-end Java Developer with proven IDAM (Identity and Access Management) experience. You will be part of a continuous improvement squad delivering enhancements and new features alongside BAU work (i.e. incidents and support maintenance activities). In addition, you will be involved in helping our client transform their IDAM service, re-platforming to Azure Kubernetes Service. You will have a solid understanding of modern deployment pipelines and DevOps principles. The role will require providing out of hours support (i.e. Monday to Saturday once per month). As a Senior Software Engineer with a focus on back-end development, you will play a key role in designing,...

In a Nutshell… We have an exciting opportunity for a Sales Progressor to join our team within Vistry Cornwall South West, at our Exeter office. As our Sales Progressor, you will progress reservations to exchange and legal completion within the company agreed timescales. You will support the customer journey and effect timely exchanges through regular communications with solicitors, mortgage brokers and estate agents, dealing with issues promptly and efficiently. You will keep the business informed on all sales progress for accurate financial legal completions forecasting. We value in-person collaboration and team culture, but we're also committed to supporting flexible working where possible. We encourage you to raise any specific requirements during the interview process so we can explore how this could be accommodated. This is a Fixed Term Contract for 6 months. Let's cut to the chase, what's in it for you… Competitive basic salary and annual bonus Salary sacrifice car...

Senior Python Developer London | Contract | Energy / Trading Environment £400-£425 per day (Inside IR35) We are supporting a leading organisation operating within the energy and commodities space who are looking to engage a Senior Python Developer to support the build-out of advanced data-driven applications and analytical tools. This is a hands-on engineering role working at the intersection of data, analytics and front-office stakeholders. You will be responsible for building clean, modular Python applications, manipulating complex datasets, and delivering interactive dashboards used for commercial insight. The Role You will: Develop robust, production-grade Python applications Manipulate and analyse large datasets using pandas and numpy Build interactive dashboards using Plotly Dash Design modular, reusable and well-tested code Integrate with REST APIs and backend services Collaborate with commercial and technical stakeholders to translate requirements into...

We are recruiting for a Java Developer on contract to work for our client who is based in Bristol. The role/hours will be condensed into a 4 day week. (Monday - Thursday) - Experience of working in Java (10+ years ideally) - Experience in other languages such as Ada - Knowledge of DDS Middleware and Real Time Operating Systems Knowledge of standards such as DefStan 00-55, DO-178C or IEC61508 Overview of department: Our team, at our Bristol facility, develop solutions for the next generation of Air Defence Systems; developing evolving products whilst maintaining our enviable reputation for safety, performance and dependability. Responsibilities: This is a very hands-on role and requires the continued design and development of new and evolving software tools and architectures, and the instantiations for future products. Perfect for a Software Engineer who is proactive and takes the initiative. Skillset/experience required: * A strong background in software engineering,...

Job Title: Full Stack Engineer (Mid-Senior Level) Location: Hybrid (2-3 days onsite in Warwick or London every 3 months) Job Type: 6 month contract Day Rate: £500-£750pd (Inside IR35) DOE   We are seeking a skilled Full Stack Engineer with 5+ years of commercial experience to join our dynamic team. In this role, you will be instrumental in building both the front and back end components of our platform. You will be responsible for coding reliable, secure, and performant features across a modern web stack that includes React/Next.js on the front end and C#/.NET (ASP.NET Core) on the back end, supported by Azure Managed Services. You will collaborate closely with product, design, and architecture teams to deliver end-to-end features—from shaping solution designs and APIs to implementing responsive UIs and robust services. This long-term programme (5+ years) is well-suited for engineers who enjoy taking ownership of problems across the stack, care deeply about code quality and...

Role Title: HIP Developer Experience Lead for Internal Cloud Duration: contract to run until 17/07/2026 Location: Sheffield, 3 days per week onsite Rate: up to £575.92 p/d Umbrella inside IR35 Role purpose / summary Client Internal Cloud (HIC), IKP (Internal Kubernetes Platform) and Kafka (Event Streaming) are our strategic hosting platforms supporting the fast-growing demand from numerous customers. We have deployed over 15,000 servers in 3 regions underpinning thousands of Technology services. As a developer experience lead for the HIP platform, you will help to understand and improve the internal customer and developer experience for our strategic platforms, enabling more customer centric solutions. Your role is to tackle the challenge of the complexity that teams must endure as they integrate technology services into a viable route-to-live. This journey might include runtimes for dev, test and prod; global load balancing; CI/CD mechanism; monitoring, logging, alerting...

Senior C#/.NET Engineer (Blazor) - Freelance Contract Location: Limerick, Ireland (Hybrid - 4 days onsite) Contract: 6 months (likely extension) Rate: c. €500 daily (dependant on experience) Start Date: (ASAP) About the role We're looking for a senior engineer strong in C#/.NET who enjoys building high-performance Blazor applications and reliable backend services. You'll be working on a self-hosted SPA built in Blazor with Redux.NET, plus workflow-heavy services using state machines (Stateless). If you like solving real system problems - not just building screens - this is a good one. Must-have 10+ years' commercial experience in software engineering Expert-level C#/.NET (async/await, CancellationToken, IAsyncEnumerable) Strong concurrency/threading knowledge and performance mindset ASP.NET Core (APIs, background services) Blazor (Server and/or WASM) State management experience (ideally Redux.NET) Workflow/state machine experience (ideally Stateless) Comfortable...

GIS Python Developer 12 Months Outside IR35 GIS Python Developer required by a leading tech company for an initial 12 month contract. It's fully remote, outside IR35, and will likely extend due to the amount of work they have in the pipeline. The Role: You will be part of a rapidly growing software team helping to deliver their leading analytics application that is being used to help drive critical decision making from gathering large amounts of intelligence on the human population and its use around the world; tech for good, you could say! As a GIS Python Developer, you will be responsible for various tasks, mainly focusing on Python development to combine geospatial datasets to automate the creation of sizeable subnational index data sets. The main tools you will be using day to day are: ** Python ** Docker ** ETL pipelines ** GIS - PostGIS or ESRI knowledge (Ideally Raster Data Sets) ** AWS You: Our customer is looking for someone well versed with the above tools...

Full Stack Software Engineer 6 months Remote - 2-3 days onsite in Warwick or London every 3 months Inside IR35 - umbrella only Background: Full‑Stack Engineer (5 years+ commercial experience mid-senior level) required to help build the front and back end components of the EDM platform coding reliable, secure, and performant features across a modern web stack including React/Next.js on the front end and C#/.NET (ASP.NET Core) on the back end supported with Azure Managed Services. You'll work closely with product, design, and architecture deliver end‑to‑end features - from shaping solution designs and APIs to implementing responsive UIs and robust services. This long-term programme (5+ years) is suitable for engineers who enjoy owning problems across the stack, care deeply about code quality and developer experience, and thrive in a collaborative, product‑driven environment. Responsibilities include: Building great user experiences with React, Next.js, Node.js and/or...