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5 senior java developer jobs found in London

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Outside Spy
Apr 08, 2026
Duration not stated
Senior Java Developer - eDV - Contract at Involved Solutions, London, £Contract Rate
Outside Spy London, UK
Senior Java Developer - eDV - Contract Rate : Negotiable IR35 : Outside Locatio n: London Duration : 12 months The role :A leading Defence client is seeking a Senior Java Developer, with a focus on Back End services and an aptitude for building deployment pipelines, to work on a secure government initiative.Role/s would be London based and active eDV Clearance needed. Essential Criteria : Java OpenShift CI/CD - An aptitude for building deployment pipelines Back-End Services MongoDB AWS experience (Desirable) Experience in large agile programmes, ideally including public sector If you are available and interested, please apply in the first instance and you will be contacted to discuss the position further.
Outside Spy
Apr 02, 2026
6 Months or more
Senior Java Developer - eDV - Contract at Involved Solutions, London, 6 Months, £600-£700 per day
£600 - £700 per day
Outside Spy London, UK
Senior Java Developer - eDV - Contract Rate : Negotiable IR35 : Outside Locatio n: London Duration : 12 months The role : A leading Defence client is seeking a Senior Java Developer, with a focus on Back End services and an aptitude for building deployment pipelines, to work on a secure government initiative. Role/s would be London based and active eDV Clearance needed. Essential Criteria : Java OpenShift CI/CD - An aptitude for building deployment pipelines Back End Services MongoDB AWS experience (Desirable) Experience in large agile programmes, ideally including public sector If you are available and interested, please apply in the first instance and you will be contacted to discuss the position further.
Outside Spy
Apr 09, 2026
6 Months or more
Senior Java Developer - Capabilities at Mindera, London, £Contract Rate Outside IR35
Outside Spy Hybrid (Paddington, London, UK)
We have an exciting opportunity for experienced Java developers to join our team! You will have a passion for software development and an excellent understanding of how to define and deliver solutions iteratively and collaboratively. You will be involved in all areas of delivery, with the technical gravitas to mentor and inspire the development team; playing an integral part in helping them continuously improve by sharing your own knowledge, experience and insights. You will be confident in challenging business requirements to ensure you are continuously delivering the best possible outcome, harnessing innovation and driving the adoption of new technologies to deliver business value. Your vision and ambition will contribute to shaping our online technology roadmap, influencing our future technical direction and balancing passion with precision to deliver exceptional online service and solutions for our customers.   This is an initial six month contract that sits...
Outside Spy
Apr 09, 2026
6 Months or more
Lead Android Mobile Engineer at Mindera, London, £Contract Rate Outside Ir35
Outside Spy Hybrid (Paddington, London, UK)
Here at Mindera we are continuously developing a fantastic team and would love it for you to join us! As an Android Developer you will be creating fast, fluid, responsive and reliable mobile applications that provide our customers with a rewarding experience. You’ll have an opportunity to participate in the whole development cycle, using modern technologies, architectures and processes. When you join Mindera we welcome you into a  fun and politics-free  work culture, built on the principles of  lean and self-organisation .   Please note: This position requires you to work on client-site in Paddington, London, three times a week. This is an initial six month contract position that sits outside IR35. Requirements You rock at Kotlin Java Jetpack Compose Coroutines (or RxJava); Software Architecture (MVVM or similar); Unit testing and UI tests; XML Being self-driven and working with little supervision towards a...
Outside Spy
Apr 02, 2026
Duration not stated
Software Engineer at ProPhoenix Corporation, Solihull, £450 per day
£450 per day
Outside Spy Solihull, England, United Kingdom
We are currently recruiting for an SC Cleared Java Developer to join a large-scale public sector programme, working on biometric systems. Location: 2 days per week in Solihull (occasional travel to Croydon) Rate: £450 per day (Outside IR35) Clearance: Active SC required Key Skills Required: Java 17+, Spring Boot (Data JPA, Integration, Batch) Microservices, REST/SOAP, ActiveMQ PostgreSQL / Aurora, AWS (EC2, SQS, RDS, S3, etc.) Docker, Maven, Jenkins - JUnit & testing frameworks CI/CD, Agile (Scrum/TDD), Experience supporting live systems Public sector background You’ll be developing and supporting large-scale integration solutions within a collaborative, high-performing engineering team.
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