126 to 150 of 228 Java Jobs in the City of London

applications in production, and a proactive and positive approach towards problem solving. Key Responsibilities Designing, building and supporting full stack web applications using modern languages such as React and Java Writing and maintaining automated build pipelines using tools such as Drone and GitHub Actions Building and supporting AWS Serverless and Containerised infrastructure Ensuring non-functional requirements are met in design … resolve external dependencies Implementing monitoring, logging and alerting solutions to aid application support Required Skills & Experience 3+ years of experience developing and supporting full stack web applications, ideally using Java and a modern JavaScript frontend framework Supporting production applications, ideally at scale Modern software development tools and processes such as Git, CI/CD pipelines and automated testing Developing, documenting More ❯

applications in production, and a proactive and positive approach towards problem solving. Key Responsibilities Designing, building and supporting full stack web applications using modern languages such as React and Java Writing and maintaining automated build pipelines using tools such as Drone and GitHub Actions Building and supporting AWS Serverless and Containerised infrastructure Ensuring non-functional requirements are met in design … resolve external dependencies Implementing monitoring, logging and alerting solutions to aid application support Required Skills & Experience 3+ years of experience developing and supporting full stack web applications, ideally using Java and a modern JavaScript frontend framework Supporting production applications, ideally at scale Modern software development tools and processes such as Git, CI/CD pipelines and automated testing Developing, documenting More ❯

maintainability Driving Agile delivery and mentoring junior engineers Sharing insights and innovations across the wider tech community Tech You'll Work With: AWS (SDK, CDK, Lambda, Step Functions) Node.js Java (Spring Boot) Terraform/CloudFormation SQL, GraphQL Postgres, DynamoDB (nice to have) Kubernetes, GitHub Actions, Quarkus (nice to have) What You'll Bring: Proven experience building distributed systems and serverless More ❯

a plus: financial industry, open banking, iGaming, startups, or enterprise companies performing real time processing. Experience You will be expected to have the following: 3+ years commercial experience with Java Good understanding of JVM (memory model, concurrency, data structures) Spring framework, Spring Boot Maven Knowledge of REST APIs & Microservices MongoDB JUnit and TDD Nice to haves: AWS Kotlin Git Pipelines More ❯

a plus: financial industry, open banking, iGaming, startups, or enterprise companies performing real time processing. Experience You will be expected to have the following: 3+ years commercial experience with Java Good understanding of JVM (memory model, concurrency, data structures) Spring framework, Spring Boot Maven Knowledge of REST APIs & Microservices MongoDB JUnit and TDD Nice to haves: AWS Kotlin Git Pipelines More ❯

Java Software Engineer – Consultancy (multiple locations available in the UK) - competitive salary** Please note – due to the nature of work, all candidates must have DV clearance (UKIC Preferable) that is active and transferrable We are looking for a Java Software Engineer to join our consulting client. We have multiple locations available Responsibilities Participate in agile software development practices, including daily … of the curve Meet project deadlines and achieve company objectives, helping us bring our mission to life Key skills and experience Coding experience in object-oriented languages such as Java, TypeScript or C# Familiarity with front-end web technologies such as HTML, CSS, and JavaScript frameworks like React Strong problem-solving skills and the ability to think critically Excellent communication More ❯

Java Software Engineer – Consultancy (multiple locations available in the UK) - competitive salary** Please note – due to the nature of work, all candidates must have DV clearance (UKIC Preferable) that is active and transferrable We are looking for a Java Software Engineer to join our consulting client. We have multiple locations available Responsibilities Participate in agile software development practices, including daily … of the curve Meet project deadlines and achieve company objectives, helping us bring our mission to life Key skills and experience Coding experience in object-oriented languages such as Java, TypeScript or C# Familiarity with front-end web technologies such as HTML, CSS, and JavaScript frameworks like React Strong problem-solving skills and the ability to think critically Excellent communication More ❯

and securely, improving response times and overall public safety. Required Skills Data Stage, RedShift, QuickSight, S3 data migration/ETL both batch and real time data warehouse development DevSecOps Java SQL relational databases GitHub/lab experience Nice to have: Data quality xml AWS Data Specialty certification All profiles will be reviewed against the required skills and experience. Due to More ❯

methods for parallel environments (GPU, distributed clusters) . What We’re Looking For: A PhD in a core STEM subject at a top 10 university Proficiency in Python, C++, Java, PyTorch, TensorFlow. Experience deploying ML models at scale. Strong product sense and ability to iterate on AI-driven user experiences. A strong entrepreneurial mindset! If this role looks of interest More ❯

as part of a move from Calypso v17 to Calypso v18. What you'll need to succeed Recent Calypso experience (v16 onwards) Preferably experience working on upgrades Experienced in Java Devops experience (Ansible, Terraform, Git) What you'll get in return An exciting opportunity to join an international organisation working with a major financial services organisation. Furthermore, a competitive day More ❯

for Guidewire deployments. Required Skills & Qualifications: 12+ years of experience in IT with 8+ years in Guidewire InsuranceSuite (PolicyCenter, BillingCenter, ClaimCenter). Guidewire ACE Certified. Strong expertise in Gosu, Java, SOAP/REST APIs, and Guidewire Studio. Proven experience in designing scalable and secure enterprise applications. Deep understanding of Guidewire data model, rules engine, and workflow configuration. Experience with Guidewire More ❯

for Guidewire deployments. Required Skills & Qualifications: 12+ years of experience in IT with 8+ years in Guidewire InsuranceSuite (PolicyCenter, BillingCenter, ClaimCenter). Guidewire ACE Certified. Strong expertise in Gosu, Java, SOAP/REST APIs, and Guidewire Studio. Proven experience in designing scalable and secure enterprise applications. Deep understanding of Guidewire data model, rules engine, and workflow configuration. Experience with Guidewire More ❯

and incident response. Qualifications Bachelor’s degree in Computer Science, Engineering, or equivalent. Required Skills Software development experience with proven expertise in at least one programming language (Python/Java/Typescript) with experience building APIs and integrating backend systems. Solid Machine Learning fundamentals. Model Context Protocol for managing context and tool interfaces for agents. LLM integration patterns, including prompt More ❯

and incident response. Qualifications Bachelor’s degree in Computer Science, Engineering, or equivalent. Required Skills Software development experience with proven expertise in at least one programming language (Python/Java/Typescript) with experience building APIs and integrating backend systems. Solid Machine Learning fundamentals. Model Context Protocol for managing context and tool interfaces for agents. LLM integration patterns, including prompt More ❯

Role: Backend Developer Contract: 6 months Location: Canary Wharf, London Working model: Hybrid - 3 days onsite We're looking for a talented Backend developer with strong Java and Node.js/TypeScript experience to join a dynamic development team within a leading financial services organisation. This role is ideal for someone who enjoys working across both backend development and infrastructure, collaborating … with centralised DevOps teams, and contributing to modern, large-scale financial services platforms. What You'll Do Maintain and enhance scalable back-end applications using Java, Node.js, and TypeScript. Lead the migration of existing Node.js systems into Java to align with bank-wide infrastructure strategy. Work closely with DevOps teams, utilising Docker and Kubernetes for containerisation and deployments. Build and … integration tests to ensure high code quality. Collaborate with cross-functional teams to define, design, and deliver new features. What We're Looking For 5+ years' experience as a Java & Node.js/TypeScript developer. Hands-on experience with Docker, Kubernetes, GitHub Actions (CI/CD). Strong knowledge of SQL databases. Proven track record writing unit & integration tests. Strong problem More ❯

getters around the world giving them access to over 19,000 financial markets. Mode of working: Hybrid(2-3 from London office) What you will need for the role: Java & Spring/Spring Boot : 8+ years of extensive experience in building and deploying back-end services. Front-End Technologies: 8+ years of experience in React.js, Node.js, Next.js, HTML, CSS, and More ❯

getters around the world giving them access to over 19,000 financial markets. Mode of working: Hybrid(2-3 from London office) What you will need for the role: Java & Spring/Spring Boot : 8+ years of extensive experience in building and deploying back-end services. Front-End Technologies: 8+ years of experience in React.js, Node.js, Next.js, HTML, CSS, and More ❯

Pay: £70,000.00-£80,000.00 per year Job description: Senior Java Engineer London Salary: £70,000 - 80,000 Bonus: TBC This is a hybrid role that requires 3 days a week office attendance About the Company An exciting opportunity has arisen for a Senior Java Engineer to be part of a highly innovative forward thinking online challenger bank start-up … team building up the functionality of a bespoke best-of-breed banking technology, a single platform delivering loan issue, card issue and recovery. Were looking for an exceptional Senior Java Engineer who will work closely with the Java Team Lead & CTO as we scale up and modernise our business processes and tech stack. The role includes hands-on development, mentoring … well as working with the CTO to define the technical architecture and integration requirements for the solution. This is a great opportunity for a leading edge, innovative, high-class Java developer to enter the company at a time when you can make your mark on the development of the company and contribute to the quality work that has already been More ❯

PowerPoint, and Visio Domain Knowledge – Payment Processing – Understanding of payment systems, workflows, and industry standards. Programming Proficiency – Working knowledge of one or more general-purpose programming languages (e.g., Python, Java, C#, etc.). Understanding how adults learn technology to design effective learning solutions. experience in BA Duties experience in project management duties experience in Internet marketing duties More ❯

for Guidewire deployments. Required Skills & Qualifications: 12+ years of experience in IT with 8+ years in Guidewire InsuranceSuite (PolicyCenter, BillingCenter, ClaimCenter). Guidewire ACE Certified. Strong expertise in Gosu, Java, SOAP/REST APIs, and Guidewire Studio. Proven experience in designing scalable and secure enterprise applications. Deep understanding of Guidewire data model, rules engine, and workflow configuration. Experience with Guidewire More ❯

for Guidewire deployments. Required Skills & Qualifications: 12+ years of experience in IT with 8+ years in Guidewire InsuranceSuite (PolicyCenter, BillingCenter, ClaimCenter). Guidewire ACE Certified. Strong expertise in Gosu, Java, SOAP/REST APIs, and Guidewire Studio. Proven experience in designing scalable and secure enterprise applications. Deep understanding of Guidewire data model, rules engine, and workflow configuration. Experience with Guidewire More ❯

years of experience in React Native development. Strong JavaScript/TypeScript skills. Experience integrating with REST APIs and/or GraphQL. Familiarity with native mobile development (Swift, Objective-C, Java, or Kotlin) is a plus. Understanding of mobile UI/UX best practices. Passion for fintech and building products that make a real difference. Day to day: Develop and maintain More ❯

years of experience in React Native development. Strong JavaScript/TypeScript skills. Experience integrating with REST APIs and/or GraphQL. Familiarity with native mobile development (Swift, Objective-C, Java, or Kotlin) is a plus. Understanding of mobile UI/UX best practices. Passion for fintech and building products that make a real difference. Day to day: Develop and maintain More ❯

and advanced analytics techniques to the Cybersecurity domain and its associated datasets Full Stack Engineering and custom security software development experience with proficiency in programming languages such as Python, Java, C#, or similar preferred. This role can be based in Sheffield or Birmingham or London More ❯

Lead Java Developer/Backend Software Engineer London to £135k Do you have advanced Java technical knowledge combined with team leadership skills? You could be progressing your career at the Investment Management arm of a global bank. As a Lead Java Developer you will head up a small, globally distributed team responsible for writing production quality Java code used for … Location/WFH: You'll be based in the London office and have flexibility to work from home once a week. About you: You have a deep knowledge of Java including multithreading You have team leadership experience, including technical project leadership, code reviews, 1-2-1s, developing others You have experience in a Capital Markets environment, FX preferred You … You have excellent communication and collaboration skills You are degree educated in Computer Science or similar technical or numerate discipline What's in it for you: As a Lead Java Developer/Backend Software Engineer you will receive a competitive Salary to £135k Bonus Pension One day work from home per week Continuous training and career progression opportunities Apply now More ❯