11 java engineer jobs found

About Us In 2019, the founders were working as engineers solving complex cross-domain problems within government organisations. TwinStream was formed to bring together their collective expertise and experience into a single business, focused on delivering technical excellence and high-quality service to clients. Since then, the company has grown to over 100 team members across the UK, with colleagues working both on-site with clients, hybrid and remotely from home. Details : Employment: Contract (outside of IR35) Rate: £500 - £600 Security Level: Must have live DV clearance Location: 5 days in either Cheltenham About the role As part of our on-site team, you'll play a key role in designing, building, configuring, and maintaining resilient systems that support critical operations. You'll work closely with cross-functional teams to ensure our platforms are scalable, secure, and reliable, and directly with our intelligence community...

eDV Cleared Application Support Engineer | £500-£600p/day (Outside IR35) | Gloucestershire (5 days onsite) | Must have active eDV clearance | 6 months (rolling contract) We're looking for an experienced Application Support Engineer with active eDV clearance to join a collaborative onsite team responsible for designing, deploying and supporting infrastructure in a secure environment. This is a hands-on engineering role where you'll work across physical and virtual infrastructure. This role is fully on site and you must be comfortable with this working arrangement! Key responsibilities: Design, build and maintain resilient physical and virtual infrastructure Monitor system health, performance and availability, proactively identifying and resolving issues Automate infrastructure and operational processes using tools such as Ansible Provide technical consultancy on system integrations using REST APIs, SFTP, webhooks and other interfaces Manage the full life cycle of...

Back End Software Engineer - 6 months - Glasgow - Outside IR35 Day rate - Circa £480 Harvey Nash's public sector client are currently looking to recruit a Back End Software Engineer to join their team based Glasgow/Remote for an initial 6-month period. Main Duties: Work across technical teams formed of supplier, contract and permanent resource Develop new features in a secure way in line with industry best-practices Provide production support and support on fixing application issues Identifying production and non-production application defects Train and knowledge share with colleagues Looking ahead for future opportunities or blockers, and ensuring decisions by teams align with the technical direction Identify operational improvements and work to ensure a stable service that can be enhanced Anticipate and mitigate against project challenges or risks Essential Skills: Technology knowledge - Demonstrable experience in the minimum of 4 Of the below:...

eDV Cleared Application Support Engineer | £500- £600p/day (Outside IR35) | Gloucestershire (5 days onsite) | Must have active eDV clearance | 6 months (rolling contract) We 're looking for an experienced Application support engineer with active eDV clearance to join a collaborative onsite team responsible for designing, deploying and supporting infrastructure in a secure environment. This is a hands-on engineering role where you 'll work across physical and virtual infrastructure. This role is fully on site and you must be comfortable with this working arrangement! Key responsibilities: Design, build and maintain resilient physical and virtual infrastructure Monitor system health, performance and availability, proactively identifying and resolving issues Automate infrastructure and operational processes using tools such as Ansible Provide technical consultancy on system integrations using REST APIs, SFTP, webhooks and other interfaces...

Location Manchester Job type: Contract Salary: ££56.00 p/h Outside IR35 Contact name: Laura Hopson   Contact email: lhopson@select-engineering.net Contact phone: 01245 403 560 Job ref: 37182118 Published: 3 days ago Expiry date: 19 Jul 2026 23:59 Duties: Responsible for working as a senior software engineer with a squad to ensure quality software deployments and overall application health and performance. Optimizes relationships between the development, quality assurance and IT operations teams. Promotes communication, integration, and collaboration for enhanced software development productivity. Develops infrastructure to incorporate latest technology best practices and improve operational performance. Requires broad technical knowledge and experience across a variety of IT areas, including...

My client is seeking an experienced Contract Site Reliability Engineer Team Lead to join their team. This is a hands-on leadership role requiring a strong technical background alongside the ability to lead, mentor, and develop a high-performing SRE function. There will be occasional travel to the client's offices in Central London. This role is paying £475 Per day and is Outside IR35. Responsibilities Provide technical leadership for the Site Reliability Engineering function, driving reliability, scalability, and performance improvements across critical production systems. Lead, mentor, and coach a team of SREs and engineers, fostering a culture of operational excellence, collaboration, and continuous improvement. Remain hands-on with the design, implementation, and support of cloud infrastructure, automation, observability, and platform reliability initiatives. Define, implement, and govern SLOs, SLIs, and error budgets, ensuring alignment between engineering...

Backend Engineer - Java/Spring Boot £450 - £500 Outside IR35 / 6 Month Contract London - Hybrid - 1/2 Days Onsite Our client are looking for a Backend Engineer to join a team building scalable, customer-facing digital products. The role focuses on developing Java/Spring Boot services within a GCP environment, building data pipelines, and integrating with a customer engagement platform used in retail environments. You'll need to show where you've worked on highly available, high-traffic systems, collaborating closely with frontend engineers who are integrating booking and appointment functionality. Key Requirements: Strong commercial experience with Java and Spring Boot Experience integrating backend services with third-party platforms and APIs Demonstrable experience working on high-availability, high-traffic applications

Senior Software Engineer x2 - Outside IR35 - Contract (Media Client) About the role Essential: Self-starter, someone who can pick up context quickly, drive outcomes efficiently, and to a high quality Competent in doing high-level designs, solution management, and scoping Understanding of data modelling best practices Ability to translate technical solutions to non-technical stakeholders and bring them on the journey Experience working in an agile delivery environment Experience working with React, TypeScript, Azure, Microsoft SQL, and Databricks (if they don’t have all of these, that’s workable, but be good to understand any they don’t have experience with) Skills & Experience: Backend: Java, Maven, Dropwizard Frontend: TypeScript, React Python AWS, OpenSearch It would be nice if you have AI coding experience, and ideally some familiarity with more traditional ML techniques for things like entity recognition £500-600 per day...

Backend Engineer - Java/Spring Boot £450 - £500 Outside IR35/6 Month Contract London - Hybrid - 1/2 Days Onsite Our client are looking for a Backend Engineer to join a team building scalable, customer-facing digital products. The role focuses on developing Java/Spring Boot services within a GCP environment, building data pipelines, and integrating with a customer engagement platform used in retail environments. You'll need to show where you've worked on highly available, high-traffic systems, collaborating closely with Front End engineers who are integrating booking and appointment functionality. Key Requirements: Strong commercial experience with Java and Spring Boot Experience integrating Back End services with third-party platforms and APIs Demonstrable experience working on high-availability, high-traffic applications

About Us In 2019, the founders were working as engineers solving complex cross-domain problems within government organisations. TwinStream was formed to bring together their collective expertise and experience into a single business, focused on delivering technical excellence and high-quality service to clients. Since then, the company has grown to over 100 team members across the UK, with colleagues working both on-site with clients, hybrid and remotely from home. Details Employment: Contract (outside of IR35) Rate: £500 - £600 Security Level: Must have live DV clearance Location: 5 days in either Cheltenham About The Role As part of our on-site team, you'll play a key role in designing, building, configuring, and maintaining resilient systems that support critical operations. You’ll work closely with cross-functional teams to ensure our platforms are scalable, secure, and reliable, and directly with our intelligence community customers to deliver their mission....

Contract Automation QA | Hybrid/Remote | Up to £500 p/d | Outside IR35 I'm working with a technology-driven organisation looking for an experienced Automation Test Lead to help drive quality engineering standards across a modern software delivery environment. This is a hands-on role combining technical leadership with automation engineering. You'll play a key part in embedding quality throughout the development lifecycle, championing Test-Driven Development (TDD) and helping teams build robust, scalable, and highly automated testing solutions. Working closely with developers, architects, and product teams, you'll be responsible for designing automation frameworks, improving testing practices, and ensuring quality is built into every stage of delivery. Key Responsibilities Lead the automation testing strategy across multiple products and platforms Design, build, and maintain scalable automation frameworks Champion TDD and quality engineering best practices...