1 to 25 of 93 Permanent Java Jobs in Central London

Please find the Job Description:- Role: Senior Java Developer Location: Farnborough/UK (Hybrid) Hybrid mode of work Exp range:8+ years Mandatory skills: Java Springboot, Java 17/11, AWS, Pipeline, Financial domain, Spark. JD: Java Tech Lead job involves leading and mentoring a Java development team, analyzing … conducting code reviews, troubleshooting complex technical issues, and driving innovation with new technologies. Key Responsibilities: • Team Leadership: Lead, mentor, and guide a team of Java developers in the development lifecycle. • Project Management: Oversee Java development projects from conception to completion, ensuring alignment with project requirements and timelines. • Technical Expertise: Design ...

Overview We are seeking a Senior Java Developer to join a regulated banking environment in London. You will work on cloud-native services using a modern Java stack, contributing to secure, resilient platforms that support critical banking products. Key Details Location: London, Greater London, United Kingdom Rate … Minimum 6 months, with potential to convert to a longer-term role Work pattern: 2 days per week, onsite Responsibilities Design, build and maintain Java microservices and APIs using Spring Boot. Own delivery end-to-end: requirements clarification, implementation, testing, deployment and support. Improve engineering practices, code quality, observability ...

code, testing, and CI/CD best practices Mentor junior engineers and support technical decision-making Required Skills & Experience Strong programming experience in Python, Java, or Go Experience building backend services, APIs, and distributed systems Strong knowledge of cloud platforms (AWS, GCP, or Azure) Experience with containerisation and orchestration (Docker ...

within payments, transaction banking or financial services. Strong hands-on experience in automation frameworks such as Selenium, RestAssured, Karate, Cypress or similar. Proficiency in Java or Python for automation scripting. Experience testing payment processing systems, APIs and integration flows. Strong understanding of payment lifecycles and schemes (SWIFT, SEPA ...

platforms — OpenAI, Claude, Vertex AI, plus open-source models — including building abstraction layers to manage multi-provider pipelines. Strong programming experience in Python, Java, C# or equivalent; familiarity with evaluation tooling, logging, monitoring, and agent observability. Experience deploying to production — CI/CD, infrastructure as code (Terraform, Helm), monitoring ...

Overview We are seeking two Senior Java Developers to join a regulated banking environment in London. You will work on cloud-native services using a modern Java stack, contributing to secure, resilient platforms that support critical banking products. Key Details Location: London, Greater London, United Kingdom Rate … pattern: Typically 2 days per week onsite, with flexibility after the first month depending on delivery needs Positions: 2 Responsibilities Design, build and maintain Java microservices and APIs using Spring Boot. Own delivery end-to-end: requirements clarification, implementation, testing, deployment and support. Improve engineering practices, code quality, observability ...

with business teams to define data flows and ensure security protocols (encryption/authentication) are met. Technical Toolkit Languages: Proficiency in Python, R, or Java/Scala. Databases: Experience across Relational (SQL), NoSQL (MongoDB/Cassandra), and Graph (Neo4j). Big Data: Hands-on experience with Hadoop or Spark. Infrastructure ...

Java Software Development Engineer in Test - FinTech - Java Remote (UK) | £80 - 90k Our client a cutting-edge fintech business is looking for a Software Development Engineer in Test (Java SDET) to strengthen their automated testing framework and drive software quality to the highest standards. This is a great opportunity … with developers to enhance testing infrastructure for continuous delivery Proactively identify areas for improvement in software quality Essential Experience: Strong Object-Oriented Programming in Java Java must be your primary language you have a proven background with Proven background as an SDET Component testing, end-to-end testing & failure scenario ...

Benefits | London, Hybrid (4 days PW) Minimum 4 years experience working in high-performing software teams. Strong experience with any backend language (Python, Golang, Java, Node/Typescript) However must be willing to learn Python. Strong experience working with GCP, AWS or Azure. Deep understanding of backend systems, but also ...

Bring... 6-10 years’ experience in software engineering, DevOps, security engineering or platform-focused roles within complex technical environments Strong engineering capability in Java or C# (Python also highly relevant) Proven experience working at scale in established, production-grade environments Deep familiarity with DevOps tooling including CI/CD pipelines ...

needed. What we’re looking for Strong software engineering experience writing clean, efficient and well-tested code in statically-typed languages (e.g., modern Java or equivalent). Deep understanding of object-oriented architecture, concurrent systems and messaging paradigms such as point-to-point, publish/subscribe and event-driven design. ...

mixed London/Denmark engineering team in a highly business‐facing environment Tech Stack Languages: C#/.NET (strategic direction) Python (current tooling base) Java or other OO languages also considered Cloud: AWS (current environment) Frontend: Angular Svelte React experience also relevant Data/Messaging: Strong database fundamentals (Postgres, ClickHouse ...

databases and logs , and tracing issues end-to-end. Key requirements: Strong manual and/or automated testing of complex web apps Experience testing Java/Spring Boot backends REST API testing (Postman/Swagger etc.) Strong SQL skills React/Next.js frontend testing experience AWS familiarity ...

adopt modern cloud-native technologies and best practices Promote high engineering standards across code quality, testing, and automation Skills: Strong backend engineering capability (Golang, Java, or .NET) Strong hands-on experience building and operating distributed systems in cloud environments (AWS or GCP) Kubernetes and container orchestration experience Infrastructure as Code ...

Client: Largest American Credit Card Company Location: Burgess Hill 3 days/week Years of Exp: 6-9 years Skills: Go, Java, Git, REST, Jenkins, NoSQL, Postgres/ql £40-£50/hr Inside IR35 Visa sponsorship is not available. We're looking for an enthusiastic, diligent Golang Software Engineer ...

their goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid role … offers the opportunity to build scalable, real-time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput ...

adopt modern cloud-native technologies and best practices Promote high engineering standards across code quality, testing, and automation Skills: Strong backend engineering capability (Golang, Java, or .NET) Strong hands-on experience building and operating distributed systems in cloud environments (AWS or GCP) Kubernetes and container orchestration experience Infrastructure as Code ...

also valuable Experience with container technologies such as Docker and Kubernetes Good knowledge of at least one common programming language, for example Java, .NET or Node.js Experience designing and implementing logging and alerting concepts Strong analytical skills and the ability to assess complex system environments Project Context The programme focuses ...

STEM related field. 3+ years in capital markets or financial software Strong knowledge in equity derivatives Experience in object-oriented programming such as C#, Java, and C++. C# is a plus. Knowledge of SQL and databases preferred. Good knowledge of mathematics, finance, and financial calculations. Ability to prioritize tasks ...

role.Deep, hands-on experience refactoring, stabilising, and instrumenting large, monolithic, legacy codebases. Expertise in PHP is ideal, but deep experience with other stacks like Java/C#/.NET is transferableDemonstrated ability to move beyond theory and successfully apply AI to deliver tangible solutionsExpert-level knowledge of implementing observability using ...

fintech startup looking for a hands-on QA Tester with a strong payments background . You’ll work directly with the CTO, testing across Java/Spring Boot APIs, React frontends, SQL databases and AWS environments . Must be comfortable digging into logs, APIs and backend systems — not just surface ...

controls & principles CI/CD pipeline management, SRE skills (desriable) Familiarity with Agile development practices, working with engineering teams Coding/scripting e.g. C#, Java, Azure CLI, Bash, or PowerShell ...

adoption of modern cloud-native and GitOps practices Mentor senior engineers and influence engineering culture at scale Skills Required: Strong backend engineering ability (Go, Java or .NET) Extensive hands on expertise designing and operating high scale distributed systems Deep expertise in cloud native architecture (GCP/AWS) Advanced Kubernetes ...

Computer Science, Engineering, or another quantitative/technical discipline Strong programming ability in at least one major language such as Python, C++, or Java Excellent attention to detail and a methodical approach to problem solving Strong communication skills and the ability to work effectively with teams across multiple global locations ...

expertise with Control Tower and multi-account strategies Deep understanding of AWS security Strong Infrastructure as Code and automation experience Programming skills in Python, Java or similar languages Experience with Kubernetes/EKS This is a great role with a growing client. They offer a superb package ...