1 to 25 of 102 Java Jobs in the City of 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 ...

experience delivering solutions with Camunda (Camunda 7 or Camunda 8) Strong experience with BPMN 2.0 and ideally DMN Strong software engineering background in Java Experience building applications/services with Spring Boot Experience integrating workflow platforms with REST APIs, microservices and distributed systems Strong understanding of workflow orchestration, business process ...

greatest impact will come from technical leadership, enabling teams to deliver robust, scalable, and secure services. With a strong foundation in backend technologies, including Java and Spring Boot, and event-driven systems such as Kafka, you’ll influence systems well beyond your own code, ensuring architectural integrity and high engineering … strong engineering culture. Ensure backend systems comply with relevant standards such as ISO27001 and PCI. Key Skills & Attributes: Strong backend engineering experience, ideally including Java (Java 11+) and Spring Boot. Proven ability to design and lead backend architectures for complex systems. Familiarity with cloud environments (AWS preferred) and container orchestration ...

Looking For 7+ years of professional software engineering experience. Technical Depth: Strong proficiency in at least two of the following: Go, Python, TypeScript, or Java . Infrastructure: Hands-on experience with Docker, Kubernetes, and cloud platforms (AWS, GCP, or Azure). Mindset: A clear communicator who moves with urgency ...

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 ...

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 ...

with production engineering rigor: microservices, containers (Docker/K8s), serverless, CI/CD Solid programming skills (one or more): Python, TypeScript/JavaScript, Java, C# Experience with APIs and integration patterns: REST/gRPC, event-driven systems, queues, workflow engines Security & Governance (Must Have) Understanding of GenAI-specific threats: prompt ...

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 ...

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 ...

comfortable taking ownership of projects and mentoring more junior team members You have strong TypeScript skills, combined with any backend programming language (e.g. Python, Java, C++, C#) You're happy to work with the following tech stack (you don't need experience with all): Elixir, Ember, Elm, Phoenix, LiveView, Python ...

more interpreted languages (eg. Python, Bash, PowerShell, Perl, Ruby) and one or more compiled languages (eg. C, C++, C#, Golang, Rust, Java, Objective-C) One or more of the following certifications (OSCP, OSCE, GPEN, GXPN, CRTO, CREST Certified Simulated Attack Manager) Where and how you'll work This ...

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 ...

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 ...

Excellence: Proven experience leading and supporting software engineering teams to achieve business goals. Technical Breadth: Excellent knowledge of RESTful API development in modern languages (Java, Python, or .Net) and experience with Cloud environments (AWS or Azure). AI Awareness: You aren't necessarily a researcher, but you have expectations ...

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 ...

Required Skills & Experience Technical Expertise (Exceptional Level) 2025+ years in QE engineering, transformation, and automation leadership. Mastery of: o Playwright, Appium, Selenium, Cypress, Java o API Automation (REST Assured, Karate, Postman) o Performance (JMeter, LoadRunner) o Cloud native testing (Azure, AWS, GCP) o Test orchestration, CI/CD pipelines ...

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 ...

performance-driven culture ✅ What You’ll Bring 🎓 Degree in Computer Science, Mathematics, Physics, Engineering , or another STEM discipline 💻 Strong programming skills in Python, C++, Java, C#, or KDB+/Q 🔍 Analytical mindset with a passion for tackling complex, data-driven challenges ⚡ Curiosity, drive, and the ability to thrive in fast ...

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 ...