526 to 550 of 806 Java Jobs in the UK

automated coding, testing, and incident response). Hands-on Technical Leadership: Strong architectural oversight and design review experience. Core Stack Expertise: Deep proficiency in Java . Infrastructure Scalability: Experience with global, high-availability data platforms. C. Operational Excellence Process Engineering: Designing AI-augmented onboarding, deployment pipelines, and feedback loops. Product ...

Role Overview Insight Global is seeking a Senior Java Developer to design, develop, enhance, and support high‐throughput global payments applications. You will work across major programmes including ISO 20022 migrations, Real‐Time Payments enablement, payment engine modernisation , and regulatory scheme deliveries. This is a hands‐on engineering role requiring … strong fundamentals in Java, microservices, integration, and payments processing. Key Responsibilities Develop and enhance Java‐based microservices , REST APIs, and event‐driven components. Implement solutions for ISO 20022 message formats , transformations (XML/JSON), validations, and routing. Build integrations using Mule ESB (or similar), messaging patterns, and Kafka/event ...

Principal Developer – FX Trading Systems (Java/C++) Location: London or Nottingham (Hybrid) Rate: £490 per day (Outside IR35) Contract: Initial contract until end of year, with strong likelihood of extension as part of a multi-year programme. The Opportunity An established financial services organisation is seeking an experienced Principal … senior technical leadership role within a large, multi-year programme focused on building next-generation trading infrastructure. The successful candidate will combine deep Java expertise, exposure to C++, and strong experience delivering low-latency trading platforms, particularly within FX markets. Key Responsibilities Lead the architecture and development of a high ...

Contract Java Developer – Data Up to £700 per day Outside IR35 (6 month rolling) In office – City of London Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility owning straightforward … PostgreSQL. This is a growing team focused on data ingestion and building tooling for the wider firm. What you’ll do: Build and enhance Java backend services (APIs, batch jobs, integrations) used across the business Write clean, testable code with solid engineering discipline (testing, code review, debugging, production support) Maintain ...

setting clear direction while staying close enough to the code to guide architecture and best practices. Ideally you will have managed teams working with Java and modern backend technologies, a proven track record of leading engineers, and a pragmatic, calm approach to problem-solving. Technical Requirements Strong previous commercial experience … with Java/managing JVM engineers Promote DevOps (build/run it) methodology and practices Experience designing and delivering microservices-based architectures Solid understanding of CI/CD pipelines , including build automation, testing, and deployment Familiarity with modern engineering practices: automated testing, infrastructure as code, monitoring, and observability Technology Stack ...

practices. Troubleshooting software issues and supporting system improvements. Essential Skills & Experience: Commercial experience (around 1–2 years) in software development. Backend development experience using Java or Python with frameworks such as Spring Boot. Strong programming foundation in languages such as Java, TypeScript, Python, or C++. Experience building and integrating RESTful ...

growing digital consultancy is looking for experienced Java Developers to join multidisciplinary teams delivering large-scale digital platforms used by thousands of users across the UK. Youll be working in agile teams alongside engineers, designers and product specialists to build modern, user-focused services. The work involves designing, building … with a strong focus on clean code, collaboration and delivering high-quality software in fast-moving environments. What youll be doing Building and maintaining Java-based backend services using modern frameworks Designing scalable APIs and microservices used by high-traffic digital platforms Working in agile delivery teams alongside product managers ...

growing digital consultancy is looking for experienced Java Developers to join multidisciplinary teams delivering large-scale digital platforms used by thousands of users across the UK. Youll be working in agile teams alongside engineers, designers and product specialists to build modern, user-focused services. The work involves designing, building … with a strong focus on clean code, collaboration and delivering high-quality software in fast-moving environments. What youll be doing Building and maintaining Java-based backend services using modern frameworks Designing scalable APIs and microservices used by high-traffic digital platforms Working in agile delivery teams alongside product managers ...

will design and evolve core platform capabilities, guide architectural decisions across microservices, and mentor engineers while remaining hands‐on with critical systems built using Java and Spring Boot. This role sits at the heart of Verifone’s global payment gateway platform. You will help shape the technical direction of systems … ensure our systems scale globally, remain secure, and meet the highest standards for availability and performance. Required Skills and Experience Needed Programming Languages Java 17 or higher Frameworks and Libraries Spring Boot Spring Web (REST APIs) Spring Data Spring Security with JWT/OAuth2 Architecture & System Design Deep experience designing ...

Looking to join a company when you can make a real impact? Do you have 4+ years commercial experience developing software with Java & JavaScript? 🚀 Full Stack Engineer – SaaS Solutions 🚀 💰 Salary – up to £75k + bonus 📍 Location – hybrid working 2 days a week in modern London office I am excited … Defense, HM Treasury, and the Departments of Work & Pensions and International Trade. They are looking for a motivated Full Stack Engineer with experience with: Java Spring Boot Microservices JavaScript Frontend frameworks: they use Vue.js but are also open to React and Angular Containerisation using Docker, Kubernetes Developing cloud-native applications ...

first strategies for scalability and resilience. Enable UI/UX modernization using Angular , React , and other front-end frameworks. Implement modernization approaches using Java , .NET , and modern frameworks (Spring Boot, .NET Core). Integrate DevSecOps pipelines , CI/CD automation , and container orchestration (Kubernetes, OpenShift). Advise on best practices … Rexx, CICS, DB2, IMS DB, IMS DC, VSAM, Adabas/Natural Experience on distributed client-server architecture systems, with proficiency in technologies such as Java , .NET , and experience with modern front-end frameworks such as Angular, React, Vue. Knowledge of cloud migration and modernization approaches and patterns on various hyperscaler ...

work across a variety of software engineering frameworks. Operating at a deep technical level, you’ll apply your expertise in languages such as JavaScript, Java, C++, Node.js, Python, Rust, Go, and .NET. You’ll bring a genuine enthusiasm for discovering and applying new software engineering techniques. As part … wider engineering community. About you As a Senior Software Engineer, you’ll bring expertise in modern programming languages and frameworks such as C++, Golang, Java, JavaScript, .NET, Node.js, Python, Rust, along with experience working with cloud platforms AWS, Azure, GCP. You’ll have successfully led Agile project teams, evaluated customer ...

Apply today to join our team and embark on an exciting journey of innovation and growth. What skills will I need? Proficient in current Java, knowledge of other languages such as Python, C++, JavaScript, TypeScript, React is a bonus. Experience of developing on Linux. Thorough understanding of mocking and unit … cloud. Experience of JSF (Primefaces). We would love to hear from you if you have any of the following Qualifications or Certifications: Oracle Java Certification. AWS Certification. ISTQB Certification. OSCP Certification. CCNA Certification. These would be useful but aren’t strictly necessary to successful application. Lockheed Martin is committed ...

Apply today to join our team and embark on an exciting journey of innovation and growth. What skills will I need? Proficient in current Java, knowledge of other languages such as Python, C++, JavaScript, TypeScript, React is a bonus. Experience of developing on Linux. Thorough understanding of mocking and unit … cloud. Experience of JSF (Primefaces). We would love to hear from you if you have any of the following Qualifications or Certifications: Oracle Java Certification. AWS Certification. ISTQB Certification. OSCP Certification. CCNA Certification. These would be useful but aren’t strictly necessary to successful application. Lockheed Martin is committed ...

client is in the Financial Sector and is looking to hire a Java Developer for a 9 month FTC - Maternity Cover. This role is hybrid with 3 days a week in Central London. The technology team is around 50 people and you will be working in an Agile team alongside … other Software Engineers. Client Details Our client is in the Financial Sector and is looking to hire a Java Developer for a 9 month FTC - Maternity Cover. This role is hybrid with 3 days a week in Central London. The technology team is around 50 people and you will ...

Title :: Software engineer Grade F (Band C1+) - Java Lead Job Location :: Edinburgh, UK (HYBRID) Job Type :: Contract JOB DESCRIPTIONS :: · Be a technical leader within your feature team, providing day-to-day line management, as well as providing leadership in the wider Lab and community, coaching and/or mentoring other … target architectures and patterns. · Working in the public cloud domain at scale, primarily with GCP. · Strong programming skills with a good working knowledge of Java, Spring Boot/Quarkus & REST APIs, hosting microservices in a container orchestration platform such as Kubernetes. Any experience of mobile native development would be beneficial. ...

currently working with a London-based financial services client who are actively seeking 3 Senior Java developers to assist in the development and maintenance of a business-critical system in the Equity Derivatives space. What you'll need to succeed : 10+ years' server side Java development experience. Strong commercial software ...

services listed below:- S3 Athena Glue- Lambda DynamoDB OpenSearch CloudFormation API Gateway ECS CloudWatch Programming and Core Services • Fluency in Kotlin/Java, NodeJS, TypeScript • SQL Databases: Experience with SQL, and NoSQL databases such as DynamoDB Security – strong understanding of security principles within the AWS environment, including RBAC ...

BrokerTec, MarketAxess). Configure and support FIX, streaming, and venue-specific protocols, ensuring accurate and reliable messaging. Develop high-performance, scalable services using Core Java (8/11/17) . Build and enhance components for pricing, order routing, and execution workflows. Apply low-latency, event-driven, and asynchronous design … system optimization. Collaborate with SRE/DevOps teams to improve observability, CI/CD, and deployment pipelines. Key Requirements: Strong expertise in Core Java, including concurrency, memory management, and GC tuning. Hands-on experience integrating and developing with TransFICC’s Connectivity Platform. Experience with electronic market protocols: FIX (4.x/ ...

similar for code control and management Experience leading, coaching, and developing scrum teams Preferable skills: Working knowledge of Angular Working knowledge of Java Experience deploying web applications on large cloud-based service providers (e.g. AWS/Azure) and familiar with the underlying architecture Understanding of NoSQL database technologies (e.g. MongoDB ...

working primarily with Angular, which is essential for this position, while also contributing to backend services as the platform evolves. While Java experience is beneficial, this is not a pure Java role. Backend experience in Java or a similar language is required, with the expectation that Java will feature more … Ensure solutions meet security, performance, and quality standards Key Skills Required Strong commercial experience with Angular (essential) Full-stack development experience Backend experience using Java or a similar server-side language Understanding of modern software engineering best practices Experience working in agile delivery teams Familiarity with CI/CD pipelines ...

working primarily with Angular, which is essential for this position, while also contributing to backend services as the platform evolves. While Java experience is beneficial, this is not a pure Java role. Backend experience in Java or a similar language is required, with the expectation that Java will feature more … performance, and quality standards Skills Required: * Strong commercial experience with Angular (essential) * Experience of JavaScript/TypeScript * Full-stack development experience * Backend experience using Java or a similar server-side language * Understanding of modern software engineering best practices * Experience working in agile delivery teams * Familiarity with CI/CD pipelines ...

Fullstack Java & Angular Engineer (Security-Focused) Hybrid 1 day per month onsite in Oxford Contract Were hiring a security-focused Fullstack Java Engineer (Java + Angular) to support the modernisation of high-availability, cloud-native digital services operating at scale. This role is centred around secure coding, scalable architecture, relational ...

Java Developer Location - Remote with some ad hoc travel to London 6 months £468 per day inside IR35 Active SC clearance required Skills: The ability to work with data throughout its lifecycle, from collection and storage to processing and analysis. Data developers are responsible for designing, implementing and maintaining … variety of sources, ensuring that different data sets can be effectively combined and analysed. They can also utilise programming languages such as Python, Java or SQL and tools such as Apache Spark or in this instance LakeFS, for data processing and management. Useful - R, Apache Spark Very useful - Python ...

Java API Engineer – AWS – DevOps London based Hybrid I'm currently supporting a leading Bank in their search for an experienced Java API Engineer to join their flagship Digital Platform. The Digital Platform is a collaborative and high-throughput environment where you'd be responsible for the full life cycle … established team of talented Engineers in a company that have a strong emphasis on upskilling and a knowledge sharing culture. Requirements: • Strong understanding of Java and Microservices • Experience implementing AWS • Strong knowledge of DevOps - experience with CI/CD (Gitlab) • Experience dealing with highly scalable systems with high throughput • Experience ...