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software developer

96 software developer jobs found

CL
Aug 12, 2026  
Software Developer
Software Developer Certain Advantage is hiring for a Software Developer based in the Portsmouth area. This role is on a contract basis and is hybrid-based. The Company We’re working with a Manufacturing business that operates in the Aerospace sector. They design, manufacture and deliver industry-leading commercial aircraft, and a separate Space and Defence division. Does this sound like your next career move? If you’re ambitious to grow, this may be your next role? The Role: This role is for a Software Developer —someone ambitious and ready to make an impact. You’ll be results-oriented and driven to succeed. You’ll be working in a small, experienced, and collaborative team, and be responsible for: Development of code within an agile environment (scrum). Working with the team to design, implement and test features for new product development. Task estimation in accordance with sprint planningThe Individual We’re looking for people who can show: Java Core (version 8+) Spring...
IR35 Status:
Unknown Status

CV-Library Portsmouth, UK Contractor
CL
Aug 18, 2026  
Software Engineer, Developer, Backend – Java – Identity - IAM
Software Engineer, Developer, Backend – Java – Identity - IAM Contract – Until End of December 2026 (Renewable) Rate: £600 per day – Inside IR35 Location: Essex based offices (between Brentwood and Basildon) 4 days a week The banking and finance arm of one of the world’s leading manufacturing companies and a household name is seeking a software engineer, software developer with Backend, Back End and Identity Access Management (IAM) expertise. The Backend Software Engineer will join the Identity Management Services team, (IAM) focusing on the core platform work that powers identity infrastructure. Main Tasks & Responsibilities: > Design and build high-scale backend services > Serve as a technical lead to upskill the team in modern, industry-leading application development. > Ensure the platform is secure and resilient > Leverage expertise to elevate the team's technical standards and foster a culture of excellence in backend engineering. Essential Skill and...
IR35 Status:
Inside IR35

CV-Library SS15, Laindon, Essex Contractor
CL
Aug 14, 2026  
Software Engineer
Software Developer (multiple hires) 6month contract insideIR35 Rate: £(Apply online only) per day Location: London hybrid working, twice a week in office Skills: Go, Java Git, REST, Jenkins, NoSQL, Postgres We're looking for an enthusiastic, diligent Software Engineer to work with one of our well known client's fintech project. The ideal candidate will have Go experience, Java is also beneficial. The platform you'd be working on is built using modern tools such as Go, Java, Kafka and Docker. You'll be you will be building and enhancing features and coordinate and work with other Engineers across the platform to share knowledge and principals. Required: Experience working with Go, preferred experience with Java Experienced with back-end micro-service architecture and communication Bachelors Degree in computer science, computer engineering, or other 3yrs+ commercial experience If you're a backend software engineer with experience with Go do apply with your CV
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 13, 2026  
NET Developer (SC Cleared)
NET Developer (SC Cleared) Taunton (Hybrid) 3 - 6 Month Contract £470/day (Outside IR35) .NET Developer needed with active SC Security Clearance and strong hands-on .NET C# skills with an Azure Cloud environment. 3 - 6 Month Contract based in Taunton (Hybrid). Hybrid Working - primarily working remotely from home with travel to the Taunton (Somerset) office typically 3 times per month. A chance to work with a leading global IT transformation on a large-scale Government project. Paying up to £470/day (Outside IR35). Start ASAP during Summer 2026. Key skills, experience + tasks will include: Software Developer needed to design, develop, and maintain enterprise-scale Azure Cloud applications within a secure and highly regulated environment. Strong hands-on software development experience using C# and .NET Framework / .NET Core. Developing applications in Microsoft Azure Cloud environments including: Azure PaaS services (App Services, Azure Functions, Storage Accounts,...
IR35 Status:
Outside IR35

CV-Library Taunton, UK Contractor
CL
Aug 15, 2026  
Senior Research Python Developer
I am currently working with a London-based financial-services client who are actively seeking a Senior Python Developer to work on the development of a business-critical research and analytics platform. What you'll need to succeed: Strong Python software engineering experience beyond exploratory or ad-hoc scripting Strong experience in Equity Factor Model building Hands-on experience working with notebooks as part of real-world research or analytical workflows Experience building systems that support data analysis, simulations, or computational research Good experience working in a quantitative role. What you'll get in return: Up to £1100pd Umbrella Initial 12-month contract with extensions London-based hybrid working What you need to do now: If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 14, 2026  
Full Stack Developer
The Opportunity: Our client is supporting a major UK Government Agency on the delivery of a large-scale digital transformation programme and is seeking an experienced Senior Full Stack Engineer to join an established agile delivery team. This is an exciting opportunity to work on the development of modern, cloud-native services within a complex public sector environment, contributing across the full software development lifecycle. You'll play a key role in designing, developing and deploying scalable microservices and web applications, working across frontend, backend and DevOps disciplines using modern technologies and engineering best practices. The successful candidate will be a collaborative software engineer with strong technical expertise, excellent communication skills and a passion for delivering secure, high-quality digital services. Skills and Experience: * Strong commercial experience developing applications using TypeScript, Node.js and Fastify. * Excellent...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Aug 14, 2026  
Senior C# / .NET Developer | Risk & Securities Lending
Senior C# / .NET Developer | Risk & Securities Lending Location: London (Hybrid) Contract Duration: 6 Months Industry: Financial Services About the Opportunity Are you a seasoned C# engineer with a deep understanding of financial markets? We are seeking an experienced Senior C# / .NET Developer to join a high-performing technology team supporting critical Risk Management and Securities Lending platforms. In this 6-month hybrid contract, you will play a pivotal role in designing, building, and supporting high-performance systems used for complex risk calculations and trading/financing workflows. Working closely with quants, risk managers, and the Front Office, you will deliver scalable, robust solutions in a fast-paced, regulated environment. What You Will Do System Development: Design, build, and maintain high-performance C# / .NET applications supporting Risk and Securities Lending workflows. API Integration: Build and consume RESTful APIs to seamlessly connect...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 13, 2026  
Java Developer - SC Cleared
Java Developer - SC Cleared £60-£70 per hour | 6-Month Rolling Contract | Hybrid (2-3 Days Onsite) | Newcastle We're looking for an SC Cleared Software Engineer (or someone eligible to obtain SC Clearance) to join a collaborative Agile team developing cutting-edge cloud-based Geospatial software. This is an exciting opportunity to work with modern cloud technologies, contributing to the design, development, testing, and deployment of scalable, high-performance services. This is a 6-month rolling contract with a hybrid working model, requiring 2-3 days per week onsite in Newcastle. The Role As a Software Engineer, you'll be involved throughout the full software development lifecycle, working within a supportive Agile Scrum environment to deliver innovative cloud-native solutions. Key Responsibilities Develop high-quality, scalable, and maintainable Java applications. Build cloud-based services using modern development practices. Write unit and automated tests to ensure...
IR35 Status:
Unknown Status

CV-Library Newcastle upon Tyne, Tyne and Wear Contractor
CL
Aug 12, 2026  
SC Cleared Python Developer
SC Cleared/Clearable Python Developer - Remote - £500 - £550 per day INSIDE IR35 Location: Travel Requirements: Travel 1 day a Month in Leeds typically Wed but once a quarter an additional day Duration: 6 months starting ASAP Previous experience Developing safe and secure code for complex software systems Provisioning and developing for cloud-native systems; preferably AWS but any public cloud is welcome Building and maintaining CI/CD systems that optimise for development velocity, security and reliability Experience working as a subject matter expert, collaborating with product teams, to help them build and observe cloud-native applications Experience investigating and supporting incident investigation on complex software systems Experience "shifting security left"; using various tools and techniques to ensure software is secure (for example: static/dynamic analysis)Core Skills Senior Python developer Cloud architecture / AWS Terraform, other IaC tools welcome Github...
IR35 Status:
Inside IR35

CV-Library Leeds, West Yorkshire Contractor
CL
Aug 12, 2026  
Front End React Developer - Manchester
Job Title: Front End React Developer - FS Industry Location: Manchester - 4 days per week onsite Salary/Rate: £550/600 per day inside IR35 Start Date: 10/08/2026 Job Type: Contract - 6 months with possibility of extension Company Introduction We have an exciting opportunity now available with one of our sector-leading financial services clients! They are currently looking for a skilled React Developer to join their team for a six-month contract. Job Responsibilities/Objectives This role will be for a frontend software engineer who is experienced in their field. The individual will be working within a single team assisting with the creation of new frontend products for their customers. It is expected for the individual to be able to upskill individuals with the knowledge required around creating leading frontend applications.Required Skills/Experience The ideal candidate will have the following: Proficiency in JavaScript, React Framework, HTML & CSS DevOps practices...
IR35 Status:
Inside IR35

CV-Library Manchester, Greater Manchester Contractor
CL
Aug 11, 2026  
Python Software Engineer
Python Software Engineer +12 months + +Remote - 1 day a month on site in Leeds +SC cleared - current active clearance is essential +Inside IR35 +£400 a day We're looking for an experienced Senior Python Software Engineer with a strong background in cloud platforms and platform engineering to join a nationally critical programme supporting the UK's healthcare infrastructure. You'll be working on a highly available, secure healthcare integration and messaging platform that forms part of the UK's Critical National Infrastructure (CNI). The platform enables the secure exchange of patient and workforce data between healthcare organisations and digital services, helping ensure vital healthcare systems remain resilient, secure and available. This is an opportunity to work on software that has a genuine impact on millions of people while helping shape engineering standards across a modern cloud-native platform. What You'll Be Doing As a Senior Software Engineer, you'll combine...
IR35 Status:
Inside IR35

CV-Library Leeds, West Yorkshire Contractor
CL
Aug 18, 2026  
Data Engineer
Data Engineer Telford / Hybrid - 2 days per week onsite £515 per day inside IR35 6 months Active SC clearance An exciting opportunity has arisen for an experienced Data Engineer to join a high-profile government programme focused on improving fraud prevention and risk assessment. You'll play a key role in delivering innovative data solutions that support critical public services, working as part of a newly formed Agile Scrum team responsible for developing data ingestion and risking capabilities within a modern SAS platform. This is an opportunity to work on a complex, large-scale data transformation programme, integrating multiple data sources and building robust ETL solutions that enable advanced analytics and risk modelling. The Role As a Data Engineer, you'll be responsible for designing, building and deploying scalable data integration and transformation solutions. Working closely with technical and business stakeholders, you'll help deliver high-quality data pipelines...
IR35 Status:
Inside IR35

CV-Library Telford, Shropshire Contractor
CL
Aug 18, 2026  
Business Coordinator HR and Administration
Business Coordinator - HR and Administration Location: Cecil Ward Building and Duncrue Industrial Estate, Belfast Pay rate: £23.37 per hour ⏰ Hours: 37 hours per week Working pattern: Monday to Thursday, 8:30am-5:00pm, and Friday, 8:30am-4:30pm Employment type: Temporary Vacancies: 1 Prime Recruitment Services is recruiting a Business Coordinator to work within the HR and Administration team at Belfast City Council. The successful candidate will support the effective management of human resources matters across the City and Neighbourhood Services Department. The role will involve providing advice to senior managers, supervising support staff and ensuring HR services are delivered efficiently and in line with council policies and procedures. The position will be split between the Cecil Ward Building and Duncrue Industrial Estate. It will be office-based until the successful candidate is fully trained. Key responsibilities Provide HR advice and guidance to Operational...
IR35 Status:
Unknown Status

CV-Library Belfast, County Antrim Contractor
CL
Aug 17, 2026  
Site Reliability Engineer
Job Description: Title: Site Reliability Engineer Employment type: Long term contract Location: London, UK Mode: 5 days onsite Domain: Banking As a Site Reliability Engineer (SRE), you'll help build a meaningful engineering discipline, combining software and systems to develop creative engineering solutions to operations problems. Much of our support and software development focuses on optimizing existing systems, building infrastructure, and reducing work through automation. You’ll join a team of curious problem solvers with a diverse set of perspectives who are thinking big and taking risks. In this environment, you’ll take the lead on relevant projects, supported by an organization that provides the support and mentorship you need to learn and grow. As an SRE, you’ll be focused on running better production applications and systems. Job Responsibilities * Design, code, test, and deliver software to automate manual operational work * Troubleshoot priority...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 16, 2026  
Contract Systems Engineer - Rail
An exciting opportunity has become available for a Contract Systems Engineer to join a growing North East England-based rail technology business on an initial 6-month Outside IR35 contract. Working a 40 hour week with hybrid flexibility available, you will support the delivery of major overhead line monitoring tenders, helping to define technical solutions, develop bid strategies and produce winning technical proposals for rail infrastructure projects across the UK. Key Skills required for the Contract Systems Engineer - Rail, in the North East: Proven Systems Engineering experience within a complex engineering environment Experience supporting technical bids, tenders or proposal activities Strong understanding of electronics, software or integrated systems Ability to produce high-quality technical documentation and technical solutions Rail industry experience, ideally within infrastructure monitoring, signalling, telecoms or related systems This role has an indicative OUTSIDE...
IR35 Status:
Outside IR35

CV-Library Newcastle upon Tyne, Tyne and Wear Contractor
CL
Aug 16, 2026  
Marketing Manager
Our client is a leading commercial fit out and interior design contractor, delivering high-quality workplace, retail, and commercial refurbishment projects across London and the UK. Due to continued growth, they are looking to appoint an experienced Marketing Manager to lead and develop their marketing strategy, strengthen brand presence, and support business growth. MUST have Construction experience This is for a Maternity cover The Role As Marketing Manager, you will be responsible for driving the company's marketing activities across digital, social media, content creation, events, and business development support. You will work closely with senior leadership, pre-construction, and business development teams to enhance the company's market presence and generate new opportunities. Key Responsibilities * Develop and implement the company's marketing strategy in line with business objectives. * Manage all digital marketing channels including website, social media, email...
IR35 Status:
Unknown Status

CV-Library EC1Y 4TY, Coleman Street, Greater London Contractor
CL
Aug 16, 2026  
Lead Mechanical Engineer
Are you an experienced Mechanical Design Engineer looking to work on some of the UK's most exciting defence programmes? We are currently recruiting for multiple Lead Mechanical Engineers to support the development of next-generation land systesm for a leading global defence organisation based in Ampthill. This is an excellent opportunity to work on complex military vehicle programmes, contributing to the design and development of cutting-edge defence technologies. You'll be joining a highly skilled engineering team responsible for delivering innovative mechanical design solutions for armoured vehicle platforms and complex mechanisms operating in demanding environments. The Role As a Lead Mechanical Engineer, you will be responsible for: Supporting the design and development of Mechanical systems and components. Producing high-quality mechanical designs from concept through to manufacture. Designing complex mechanisms and assemblies for defence applications. Performing...
IR35 Status:
Unknown Status

CV-Library Ampthill, Bedfordshire Contractor
CL
Aug 16, 2026  
Customer Service Advisor
Customer Service Advisor Location: City of London Salary: £16 per Hour Hours: 2pm - 11pm / Hybrid working, 3 days in the office and 2 days from home. Are you passionate about delivering outstanding customer service? Do you enjoy speaking with people and solving problems? We're recruiting on behalf of a growing fintech company looking for a Customer Service Advisor to join their friendly and supportive team. This is a fantastic opportunity to build your career within an innovative business that offers excellent training, career progression and a positive working environment. Key Responsibilities Handling inbound customer calls. Providing excellent customer service and resolving customer queries. Updating customer information accurately on internal systems. Investigating and resolving issues in a timely manner. Working collaboratively with colleagues to deliver the best customer experience. Ensuring all work is completed in line with company policies and procedures. About...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
CL
Aug 16, 2026  
Major Projects Estimator
Major Projects Manager Start Date: ASAP Location: Solihull Hours: 37 Per Week, Monday - Friday Hybrid: Approximatley 2 days on site per week DurationL 6 Months, Possibility to be made permanent after Overview of the role - Team / Projects / Key challenges As an Major Projects Estimator, you will play a key role in delivering accurate and commercially competitive tenders for high-voltage infrastructure projects. This role requires proven experience estimating 33kV and 132kV schemes, with a strong background in large-scale civil engineering and utility projects. You will be responsible for managing the tendering process from initial enquiry through to final submission, producing detailed cost plans, reviewing technical drawings and specifications, identifying project risks and opportunities, and supporting the successful delivery of major infrastructure schemes. The successful candidate will be confident working on complex projects, collaborating with internal...
IR35 Status:
Unknown Status

CV-Library Solihull, West Midlands Contractor
CL
Aug 16, 2026  
Electronics Production Technician
Electronics Production Technician (Fixed Term) When registering to this job board you will be redirected to the online application form. Please ensure that this is completed in full in order that your application can be reviewed. When your groceries arrive at your door or you sign for your online parcel, there's a good chance one of our software, telematics or proof-of-purchase solutions has played a part. At Microlise, we help some of the UK's leading retailers, logistics providers and household brands operate more efficiently through innovative technology solutions. We're looking for an Electronics Production Technician to join our Manufacturing team on a fixed-term contract. This is a hands-on role where you'll repair, test and configure electronic equipment ready for deployment to customer sites. Working to high quality standards, you'll play an important role in ensuring our products are delivered accurately, safely and on time. Whether you have previous experience in...
IR35 Status:
Unknown Status

CV-Library NG16, Langley Mill, Derbyshire Contractor
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