226 to 250 of 309 Java Jobs in London

Title Java Developer Day Rate 500/day - Inside IR35 Location Remote - Occasional London Duration 6 months (with view to extend) ROLE DESCRIPTION Brio Digital are supporting a consultancy on a major NHS digital programme and are looking for experienced Java Developers to join an established engineering team. You will … large-scale NHS environment, working alongside architects, testers, and product teams to deliver quality software at pace. KEY RESPONSIBILITIES Design, develop, and maintain robust Java-based applications across the programme Build and deploy cloud-native solutions using AWS services, following well-architected principles Write clean, well-tested, and maintainable code ...

Title Java Developer Day Rate £500/day - Inside IR35 Location Remote - Occasional London Duration 6 months (with view to extend) ROLE DESCRIPTION Brio Digital are supporting a consultancy on a major NHS digital programme and are looking for experienced Java Developers to join an established engineering team. You will … large-scale NHS environment, working alongside architects, testers, and product teams to deliver quality software at pace. KEY RESPONSIBILITIES Design, develop, and maintain robust Java-based applications across the programme Build and deploy cloud-native solutions using AWS services, following well-architected principles Write clean, well-tested, and maintainable code ...

Backend Specialist (Java & Kotlin) Location: London (Hybrid: 2-3 days per week) Type: Full-time/Permanent Experience: 5-7 years We are seeking a high-caliber Backend Specialist with a strong foundation in Java and Kotlin to join our development team in London. In this role, you will … building efficient, maintainable backend solutions while collaborating with cross-functional teams to deliver high-performance features. Key Responsibilities Develop & Maintain: Build robust applications using Java and Kotlin within a Spring Boot environment. Architect: Design and implement scalable Microservices architectures. Collaborate: Work with Project Leads, BAs, and DevOps to translate requirements ...

modern cloud platforms. The ideal candidate will lead teams in developing and implementing technology strategies, engage with stakeholders, and possess a strong background in Java development and cloud services. This role requires significant experience in technology leadership and fostering collaboration across diverse teams, aiming for innovation and continuous improvement ...

Cleared Java Consultants (Senior Software Developers/Java Architects) with good experience of Camunda BPM (ideally to v8 but v7 considered), are required by my consultancy client. To be considered, you must hold SC Clearance and be either a senior/lead Java Software Engineer or a Java Technical Architect ...

Looking for a Senior Java Developer that has worked with Kotlin. The ideal candidate should be passionate about clean code and scalable solutions. This opportunity will allow you to design robust Microservices Architecture, within an automated data-heavy environment. This will be an initial 6 month contract with possible extensions … OUTSIDE IR35) Remote with occacional trips to London (1 day per month) Required Skills Java, Spring, Spring Boot Experience working with DevOps methodologies and scalable CI/CD pipelines Microservices Architecture Exposure to Big Data technologies such as: Kafka, Spark, Hadoop etc Strong understanding of clean code principles Experience working ...

Senior Solution Architect | Java-based ecosystem Location: London Salary: £95,000 - £120,000 This is a high-impact architecture role within a fast-moving SaaS environment, where you will help design and evolve scalable, secure, and highly available systems across multiple products. You will work closely with product managers … available products and understand different types of architecture Solid experience with cloud platforms (AWS or GCP), and databases (SQL, NoSQL) Hands-on experience with Java, APIs, streaming, messaging, queue-based systems, Kubernetes and IaC Understanding of security by design and familiarity with compliance frameworks and regulatory requirements Any experience ...

Role: Java Backend Developer with Data Platform Type: 6 Months Contract Location: London, UK (Fully REMOTE) Working Model: Fully REMOTE Payrate: £450 - £550 per Day on PAYE £530 - £630 per Day on RUPAYE £650 - £750 per Day on Inside IR35 via Umbrella The Role: Join our Data Infrastructure team … looking for an execution-focused engineer who can jump into existing codebases, work autonomously, and ship high-quality code reliably. Essential Skills: Strong Java , Python , Go , and GCP experience. Ability to move quickly in ambiguous environments without waiting for direction. Bonus Points: Experience with JVM-based frameworks ( Flink , Beam , Dataflow ...

strategies are resilient, auditable, and suitable for a financial services control environment Create and oversee build and delivery pipelines supporting applications written in Java, C# .NET, JavaScript (React JS), Python Ensure pipelines are production-grade, observable, and aligned to operational and audit expectations Cloud & Containerised Application Enablement Provide expertise … Experience Extensive experience designing and delivering enterprise-scale CI/CD solutions, with GitLab experience essential Strong hands-on experience supporting build pipelines for Java, C#, JavaScript, and Python Proven experience building reusable CI/CD frameworks supporting multiple teams and products Cloud & Containerisation Strong experience with cloud platforms ...

Senior Java Engineer/SRE London (Hybrid) The company A well-established global fintech business operating large-scale trading platforms across multiple asset classes including equities, leveraged products, futures, options, and digital assets. Their technology supports a significant international client base and processes high volumes of real-time trading activity … incident reviews Improve event-driven and messaging systems for resilience and throughput Drive infrastructure automation and engineering best practices What you will need Strong Java development experience in production environments Good understanding of JVM performance tuning and backend optimisation Experience with distributed systems and troubleshooting at scale Hands-on knowledge ...

client - a global automotive systems industry leader - is looking to hire an Principal AI Software Engineer (Java) to join them on an initial 6-month contract, with a view to transition to permanent employment. This role will be operating as part of a high-functioning team focused on AI-forward … Code, Copilot). This role is remote-working (with some occasional visits to site), and will be operating inside IR35. Requirements Deep expertise with Java/Spring/AWS Hands on production grade experience - or leastPoC forLLM's They will be creating agents and creating code that ...

Greater London is in search of experienced Software Engineers to innovate within the financial markets. The ideal candidate will have over 7 years of Java development experience, primarily in creating client-facing APIs and integrating AI tools. Responsibilities include collaborating on technical strategies, designing scalable microservices, and mentoring junior developers. ...

Skills Experience: Solution Architecture with a clear focus on E-commerce platforms or API/Middleware ecosystems. Technical Stack: Expert-level knowledge of Node.js, Java (Spring Boot), and PostgreSQL - able to read and critique vendor code, not just high-level diagrams. Integration Expert: Deep proficiency in API management patterns, Webhook ...

ALERT 🚨 – Lead Java Contractor 💻 Java/Distributed Systems/Event-Driven Architecture – Trading & Portfolio Tech 🕑 10+ years building high-performance, data-intensive trading systems 📍London (front-office, high-impact engineering environment) 💰 Highly competitive day rate Highlights: 🔷 Lead the design and build of scalable trading & portfolio management systems for the Credit … senior investment stakeholders. What You’ll Be Doing: 🔹 Own the full development lifecycle – from architecture and design through to production delivery 🔹 Build and scale Java-based systems supporting trading, analytics, and execution workflows 🔹 Design high-throughput, event-driven platforms using modern streaming technologies 🔹 Partner with traders and PMs to translate ...

This is a fantastic opportunity to work as a contract Java Developer on a remote basis, inside IR35 for the public sector. Current SC Clearance that has been used in the last 12 months and recent Identity Access Management experience are essential. The key experience required for this Java Developer … position are: SC Cleared Identity Access Management Java Azure If you do have the relevant experience for remote contract Java Developer position, please do apply. ...

Java Engineer Salary to £45k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC (ideally DV) clearance i. xxuwjjq e. you have at least 5 years residency ...

This is a fantastic opportunity to work as a contract Java Developer on a remote basis, inside IR35 for the public sector. Current SC Clearance that has been used in the last 12 months and recent Identity Access Management experience are essential. The key experience required for this Java Developer … position are: SC Cleared Identity Access Management Java Azure If you do have the relevant experience fo click apply for full job details ...

Software Engineer – Java/Python London (On-site) This is a hands-on software engineering role within a systematic hedge fund where technology sits at the core of the business. The systems you build directly support trading, research, and core operations, and your work will have real, measurable impact. … join a well-established engineering team and work across a range of internal systems, primarily in Java, with exposure to Python and quantitative tooling. The role offers end-to-end ownership: taking requirements from idea through to production, working closely with engineers and business stakeholders to solve practical problems. ...

back end components ensuring software is exceptionally well covered by automated testing and software is clean and easy to understand and extend. * Build with Java Spring Book and Angular Typescript. * Ensure an exceptional user experience. * Ensure seamless integration and communication between front-end and back-end components. * Expose clear, documented … APIs for external integrations. * Peer review code. Required: Extensive experience in: * Java Spring Boot and Angular web development. * Micro-services and micro front-ends. Reactive UX front end design patterns. High availability and high scalability design patterns. * GitLab and CI/CD. Agile development. Nice to have: * Experience working with ...

Locations: London (must be willing to travel to client sites throughout the UK on an ad hoc basis) Level: Manager Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance ...

Software Engineer/Developer (Java Kafka API) London/WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joining a global technology consultancy. What's in it for you: Salary ...

Software Engineer/Developer (Java Kafka API) London/WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joining a global technology consultancy. What's in it for you: Salary ...

Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage … experiences that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about what should ...

global automotive systems industry leader is seeking a Principal AI Software Engineer (Java) to work remotely on AI projects. This role requires deep expertise in Java, Spring, and AWS, with hands-on experience in production-grade AI systems. Responsibilities include implementing AI solutions and creating deployable AI agents. The initial ...

software development experience of designing and coding on enterprise web-based systems. Experience on Objected Oriented Design, Data modelling skills using UML. Experience with Java 8+; J2EE and Gradle/Maven. Experience with Spring (Boot, Security) and other Java frameworks. Experience with BPM tools such as Camunda (preferred), jBPM, Activiti ...