1 to 25 of 33 Contract Senior Developer Jobs in the UK excluding London

Senior Developer Summer-Browning Associates is currently assisting our Central Government client, who is looking for a Senior Developer for an initial six-month assignment. Location: Milton Keynes Essential Skills: The ideal candidate will hold active SC Clearance and have a proven background in software engineering ...

Senior Developer Summer-Browning Associates is currently assisting our Central Government client, who is looking for a Senior Developer for an initial six-month assignment. Location: Milton Keynes Essential Skills: The ideal candidate will hold active SC Clearance and have a proven background in software engineering ...

Senior Backend Developer (Java/Kotlin). Public Sector Contract. Transform Crime Data Management and Make a Difference. Up to £700 a day Inside IR35. 6 Month contract. Hybrid working from a hub of UK wide offices. Join the Electronic Monitoring team, a dedicated group focused on revolutionising … processes crime data efficiently. - Professional Growth: Engage with cutting-edge technologies and methodologies, enhancing your skill set and career trajectory. Key Responsibilities for the Senior Backend Developer: - Design and implement backend infrastructure to process crime data CSV files received from the police.- Develop APIs for secure data exchange ...

ServiceNow Senior Developer (HR Suite) – London (Hybrid) Contract | £600/day (Outside IR35) | Immediate Start Role Overview Morela is supporting our client on an exclusive basis . We are seeking a ServiceNow Senior Developer with strong HRSD (HR Service Delivery) experience and exposure to CBS . ...

Reed.ai is looking for a Senior Developer to join their team in Holborn, London. Overview Reed.ai is building the future of recruitment technology. We’re a small, fast-moving, and ambitious team on a mission to transform how people find work and employers discover talent—powered … want to build something meaningful from the ground up, this is the role for you. Key Responsibilities Contribute to our excellent team of 6 senior engineers, setting technical direction while coding and problem-solving. Own the end-to-end delivery of features, ensuring speed, scalability, and quality are never ...

Senior Developer Data and BI Sub Department Corporate Information Systems Location St Johns Campus Salary £38,249 to £42,882 Post Type Full Time Contract Type Fixed Term - Ends 30/11/2026 Closing Date Monday 02 February 2026 Reference IT2601 We are seeking an experienced Power … Developer to support our data team during a period of growth. The position will begin as maternity cover for the BI lead and could potentially evolve into a permanent role reporting to the BI lead, forming a dedicated Power BI team. Responsibilities include managing the existing reporting suite ...

Senior Software Engineer | Java | AI | London | £500-£600/day About the Role We are seeking an exceptional Senior Software Engineer with expertise in Java and AI to join our client, an established financial services brand, on a 6-month contract Outside IR35. This is a unique opportunity … Senior Software Engineer to work at the cutting edge of AI-driven development. The Opportunity As a Senior Software Engineer, you'll join a small, innovative team modernising and simplifying critical legacy services using cutting-edge AI tooling. You'll demonstrate what's possible when AI is deeply ...

Senior Power Platform Developer London, Hybrid (4 days onsite), Outside IR35 £500-£620 (DOE) Location: UK (Hybrid/Remote options • Employment: Permanent Senior Power Platform Developer is required by high-growth, tech-driven client who are currently scaling up their operations. This is a hands … senior role where you’ll own the end-to-end delivery of apps, automations and dashboards, shape platform strategy and governance, and be the go-to expert for stakeholders across technology and the wider business. The role Design, build and maintain solutions using Power Apps, Power Automate, Power ...

Senior Outlook Add in Developer | £500-£550p/day (Inside IR35) | S.Yorkshire | (Hybrid, 2/3 days in office) | 10 month contract Our client is looking for a experienced Outlook Add-in Developer to help support add-in solutions within a enterprise scale messaging environments. The focus … religion/beliefs, or any other reason which cannot be shown to be justified If this sounds like a good fit, apply now! Senior Outlook Add in Developer | £500-£550p/day (Inside IR35) | S.Yorkshire | (Hybrid, 2/3 days in office) | 10 month contract Oscar Associates ...

Senior .NET Developer - £650-£700 per day (Inside IR35) Hybrid, Manchester (2-3 days/week) Start: ASAP | Energy Sector My client is looking for an experienced Senior .NET Developer to support and enhance a complex application estate. This is a backend-heavy role working across ...

gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Role: Senior Java Developer Duration: 12 Months Location: Welwyn Garden City (2 to 3 days in office) Rate: £700 inside umbrella As a Senior Java Developer, you will be a vital contributor to our projects, providing technical leadership and driving key features from conception to delivery. Here's what you can expect: Develop High-Quality Software: Utilize your Java expertise (Spring Boot or other frameworks) to create efficient and scalable solutions. Embrace ...

Senior Backend Python Developer 6-Month contract - Inside IR35 - £450-£480 per day Leeds based - hybrid working - 3 days onsite Responsibilities Build and maintain backend services and APIs in line with existing architectural patterns and standards. Implement business logic, data access layers, and integrations with internal and external ...

Senior Power Platform Developer London, Hybrid (4 days onsite), Outside IR35 £500-£620 (DOE) Location: UK (Hybrid/Remote options Employment: Permanent Senior Power Platform Developeris required by high-growth, tech-driven client who are currently scaling up their operations. This is a hands-on, senior ...

Title: Senior Java Developer Location: Manchester/Leeds - UK, (60% Hybrid) Pay Rate: Depends on Experience Type & Duration: Contract |12 Months Contract with InsideIR35 Job Description: Key Responsibilities: Join a multidisciplinary Agile team to work on the UK Public sector welfare reform program. Focus on designing, developing ...

Title: Senior Java Developer Location: Manchester/Leeds - UK, (60% Hybrid) Pay Rate: Depends on Experience Type & Duration: Contract 12 Months Contract with InsideIR35 Job Description: Key Responsibilities: Join a multidisciplinary Agile team to work on the UK Public sector welfare reform program click apply for full ...

Avaloq Developer - Contract £409 PAYE/£543 Umbrella per day Scotland, UK (Remote) 10-month contract Role Overview We're looking for an experienced Avaloq Developer to deliver end-to-end development and configuration within the Avaloq Banking Suite . You'll work closely with business and technical … processes Perform unit testing , defect resolution, and technical documentation Ensure solutions meet regulatory, technical, and quality standards Required Skills Proven experience as an Avaloq Developer Strong knowledge of core banking systems Experience working in regulated financial environments Ability to work independently in a remote contract role Randstad Technologies ...

Role: Senior Mobile Applications Developer Clearance: SC required Location: Hybrid - up to 2 days onsite in High Wycombe (as required) Working Pattern: Full-time IR35: Inside IR35 Start Date: ASAP Contract End Date: 27 February 2026 Role Overview: We are looking for an experienced Senior Mobile Applications … Developer to support the ongoing development of existing mobile applications. The role will focus on implementing new features and ensuring applications are updated and compatible with the latest operating system versions. Key Skills & Experience: Strong experience in iOS development using Swift and UIKit Experience with Java Ability to work ...

Role: Senior Mobile Applications Developer Clearance: SC required Location: Hybrid - up to 2 days onsite in High Wycombe (as required) Working Pattern: Full-time IR35: Inside IR35 Start Date: ASAP Contract End Date: 27 February 2026 Role Overview: We are looking for an experienced Senior Mobile Applications … Developer to support the ongoing development of existing mobile applications click apply for full job details ...

Senior Outlook Add in Developer £500-£550p/day (Inside IR35) S.Yorkshire (Hybrid, 2/3 days in office) 10 month contract Our client is looking for a experienced Outlook Add-in Developer to help support add-in solutions within a enterprise scale messaging environments. The focus ...

client is seeking an experienced Senior Backend Developer to support a major digital programme delivering secure, scalable backend systems. This role focuses on building modern cloud-based microservices, APIs, and data processing services in a highly collaborative and delivery-driven environment. You will work closely with multidisciplinary teams ...

Title: Java Developer Location: Glasgow/Bournemouth - fully onsite Salary/Rate: £409 INSIDE IR35 Job Type: Contract Company Introduction The Java developer will be responsible for designing, developing, and maintaining software applications using AWS, SQL, Spring Boot, Java, Spring MVC, JavaScript, and MySQL. Job Responsibilities/Objectives ...

Contract Senior Ruby Engineer – (EU Remote) 100% Remote (EU-Based Candidates Only) 12-Month Contract We are supporting a leading organisation in the insurance sector as they scale and modernise their cloud-based core platform . They are looking for an experienced Senior Ruby Engineer to join … month contract , working fully remotely from anywhere within the EU . Role Overview You’ll be a senior member of an engineering squad building, enhancing, and optimising a modern cloud-native system used across a major insurance operation. This is a hands-on development role where you’ll contribute ...

Senior Mobile Developer - React Native/Expo Fully Remote Contract - £460 - £515 per day InsideIR35 6 Month Contract BPSS Clearance, however SC Clearance would be preferred We are seeking an experienced Senior/Lead Mobile Engineer with strong React Native and Expo expertise to support a confidential ...

working with a consultancy who need a senior NodeJS developer with public sector experience to join a project.6 month contractInside IR35Remote £400 per dayAWSTypescriptJavascript- NodejsDocker, EKS (Containerisation), CI/CD, TDDAccessibility (WCAG)Public Sector Experience required ...

Contract - Full-Stack Software Developer Client: (Nasdaq 100 Global Enterprise) Location: Cambridgeshire Area (2 days a week onsite - flexible working environment) Contract Term: 6 Months Initial (+ extensions) Rate: £450 to £525/day via Umbrella Engagement Interview Process: 1 Stage - 30-minute Teams chat Project Overview: Join ...