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Hampshire, England, UK
£40k - 65k per year
Permanent
Morson Edge
JS20967KK

Java Developer - Java, REST APIs, Microservices, JBoss, Unit testing, Payments, Financial Services, Fleet - paying up to £65,000 A leading financial services institution is seeking an experienced Java Developer to join their Gateway & Acquiring Platform Division. In this role, you'll be responsible for maintaining and upgrading their core platform, working on modernizing a Legacy system while helping to establish a microservice architecture. You'll also contribute to the enhancement and expansion of existing solutions. This is an exciting opportunity to join a rapidly growing area of the...  more ->

28/01/2026 16:21:19
http://www.toptechjobs.com/fWN9u
Welwyn Garden City, Hertfordshire, UK
£650.00 - £700.00 per day + Inside IR35
Contract
Pontoon
JS-JN -012026-461664

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, 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...  more ->

26/01/2026 16:38:09ASAP12 months
http://www.toptechjobs.com/fVbyT
Northampton, Northamptonshire, UK
£350 - £385 per day
Contract
Henderson Scott
JS-BBBH137031

Job Title: AWS Data Engineer Location: Northampton (Hybrid 2-3 days on-site) Rate: up to £385 per day (Inside IR35 - Umbrella) Duration: 6 months Key Skills: AWS, Java, Kafka, DynamoDB, Aerospike, NodeJS, Microservices, Role Summary We are seeking a high-calibre AWS Data Engineer to join a major financial services project focused on enhancing global fraud detection capabilities. This mission-critical initiative involves migrating high-performance systems from Aerospike to AWS cloud-native architectures , leveraging Databricks for advanced back-testing. Technical Skills Required Cloud &...  more ->

27/01/2026 16:08:41ASAP6 months
http://www.toptechjobs.com/fVzK3
Cheltenham, Gloucestershire, UK
Contract
Sanderson Government & Defence
JS-KW.NS.CONTRACT.DEVOP

Role: DevOps Engineer Location: Cheltenham or London Contract duration: 6-12 months Clearance level: eDV We provide talent solutions for the UK government and their critical supply chains. We currently are on the look out for eDV cleared DevOps professionals to join our National Security sector. Key skills: Design and develop innovative cloud-native platforms and applications using AWS, data engineering, and CI/CD practices. Implement and optimize Java, JavaScript, React, and other relevant technologies for full-stack applications. Contribute to batch analytics, Python, and data engineering...  more ->

23/01/2026 10:31:23ASAP6-12 months
http://www.toptechjobs.com/fUJI1
Gloucestershire, UK
£40k - £60k per annum + DOE
Permanent
IO Associates
JS-BBBH172786

Role: Full Stack Software Engineer Location: Hybrid; Gloucestershire or Greater London (3 days per week onsite) Salary: £40k to £60k DOE Clearance: Must hold active SC clearance and be eligible for DV In this role, you'll develop and maintain software that drives real-world impact, combining digital innovation with critical systems. You'll work across AI, Cyber, Cloud, Big Data, and DevOps , turning complex challenges into secure, high-quality solutions in collaboration with both customers and internal teams. Skills & Experience Strong software development experience in at least one language:...  more ->

27/01/2026 10:56:07
http://www.toptechjobs.com/fVuEc
Corsham, Wiltshire, UK
575.00 Daily - 600.00 Daily Inside IR35 GBP
Contract
Conventus Recruitment
JS3058378548

Location: Corsham/Hybrid We have an urgent need for a Security Infrastructure Engineer to support the Security team installing, configuring and updating Servers and software components. Who will validate the engineering designs are JSP 453 compliant, providing the supporting evidence and documentation click apply for full job details more ->

28/01/2026 10:51:24
http://www.toptechjobs.com/fWItR
Reading, Berkshire, UK
£500 - £600 per day (Outside IR35)
Contract
REAL Technical Solutions Limited
JSAPMOBILEAPPDEVCONREAD

Mobile App Developer - React/iOS/Android - Reading £500 - £600 per day (Outside IR35) - Office based in Reading - 3 months rolling As the Mobile Applications Developer, you will be working for a world-leading provider of highly innovative psychometrics, who has been providing cutting-edge personality, emotional intelligence, and competency tools and qualification programmes for over 15 years. Role purpose for the Mobile App Developer - React/iOS/Android position: The Mobile Developer is responsible for the development, maintenance, and evolution of the companies mobile applications,...  more ->

23/01/2026 15:24:23ASAP3 months rolling
http://www.toptechjobs.com/fUMyB
Farnborough, UK
£550 - £600 per day + Inside IR35
Contract
Sanderson Government & Defence
JS-EC27012026

Test Analyst (SC Cleared) Rate: £550-£600 per day (Inside IR35) Location: Farnborough (4-5 days onsite, negotiable) Duration: 6 months Clearance: SC required The Test Analyst will be responsible for the analysis, design, execution, and reporting of technical tests in line with agreed test plans. Working under the direction of the Test Lead, the role also involves developing specialist testing and technical skills while supporting client delivery and contractual objectives. Key Responsibilities Deliver testing activities to agreed timelines and estimates Produce test plans, test cases,...  more ->

27/01/2026 08:41:21March 20266 months
http://www.toptechjobs.com/fVrVo