1 to 25 of 829 Java Jobs in London

Title: Java Modernization Technical Architect Engagement Type: Contract (Initial 6 Months, potential for extension) Location: London, UK (Hybrid) Clearance Requirement: Active UK Government Security Check (SC Clearance Required) Role Overview We are seeking an experienced Java Modernization Technical Architect to lead enterprise-scale cloud transformation initiatives. In this role … will define and execute architecture migration strategies for legacy Java applications moving to Microsoft Azure . You will serve as the technical authority guiding cloud-native deployment, application remediation, containerization, and platform modernization across complex enterprise environments. Key Responsibilities Architecture & Strategy: Lead end-to-end architecture design and migration strategies ...

Title: Java Modernization Technical Architect Engagement Type: Contract (Initial 6 Months, potential for extension) Location: London, UK (Hybrid) Clearance Requirement: Active UK Government Security Check (SC Clearance Required) Role Overview We are seeking an experienced Java Modernization Technical Architect to lead enterprise-scale cloud transformation initiatives. In this role … will define and execute architecture migration strategies for legacy Java applications moving to Microsoft Azure . You will serve as the technical authority guiding cloud-native deployment, application remediation, containerization, and platform modernization across complex enterprise environments. Key Responsibilities Architecture & Strategy: Lead end-to-end architecture design and migration strategies ...

consultative approach, you're comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. The Role: We are seeking an experienced Java Engineer to join our engineering team and play a key role in designing, developing, and maintaining scalable, high-performance applications. The ideal candidate will have … strong expertise in Java-based enterprise systems, cloud-native development, and modern software engineering practices. Experience with Artificial Intelligence (AI) technologies and AI-enabled applications is highly desirable. RequirementsKey Responsibilities: Design, develop, test, and maintain enterprise-grade Java applications. Assist with technical design discussions and contribute to architectural decisions. Develop ...

global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Accepting applications until: 20 November 2026 Job Description Your Role: Java Developer - Digital Out of Home Are you a Java Developer looking to be part of a team building cutting-edge, event-driven systems that power … millions of digital advertising moments every day? As a Java Developer within our Digital Out of Home (DOOH) team, you'll help develop the programmatic advertising platform that powers all digital assets across Global's outdoor estate - from large roadside signs to the Transport for London network. You'll work ...

Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Some of the languages and frameworks our teams work with: Java Python C#/.NET Full stack JavaScript (React, Node.js etc.) We expect you to have deep experience in at least one of the above ...

security in all backend-related activities. Requirements: 5+ years of experience in backend development, with expertise in Go. Experience with Python and/or Java would be advantageous. Strong understanding of distributed systems, gRPC, microservices architecture, and RESTful APIs. Experience with cloud platforms (AWS, Azure, or GCP) and containerization (Docker ...

performing engineering squad, building and operating business-critical digital services. This is a backend-led full-stack role. You will use Kotlin or modern Java, ideally Java 17 or later, together with the wider JVM ecosystem, to develop reliable services and APIs. You will also contribute to modern web interfaces … contribute to a collaborative, low-ego team culture. What's important to us Strong commercial experience developing server-side applications with Kotlin or modern Java, ideally Java 17 or later. Good knowledge of the JVM ecosystem and common backend development practices. Experience designing, building and operating APIs. Understanding of service ...

Our client is a leading IT services and digital transformation consultancy. Company Description Our client has celebrated30 yearsinbusinessand continues to be trusted by global brands to delivertechnology and transformationsolutions that drive customer success. Ourdeepexpertiseenables our ...

technical documentation, engineering standards and best practices. Technical Skills We are interested in engineers with experience across some of the following technologies: Programming: Python, Java, C++, C#, JavaScript Cloud: AWS, Azure, GCP DevOps: Jenkins, GitLab, GitHub Actions, CI/CD Infrastructure as Code: Terraform, Ansible, Chef, Puppet Containerisation: Docker, Kubernetes ...

Engineer, Platform Engineer, Software Engineer or similar . Strong hands-on experience building and operating cloud-native data platforms . Strong programming experience using Java and/or Python . Hands-on experience with real-time streaming and event-driven architectures , including Kafka, Kinesis or equivalent. Experience with distributed data ...

Type: Hybrid - Contract, inside IR25, £400 per day Job Title: Java Developer - SC Cleared - Spring Boot Microservices STRCTLY; NON SPONSORED Location: London Our client is looking for an experienced Java Developer with active SC clearance . You'll join their team to design, build and maintain RESTful and SOAP microservices … using Spring Boot in an Agile environment. As a Java Developer, you will be responsible for designing, developing, and maintaining high-quality Java applications that adhere to industry best practives and standards. The candidate preferably should have SC/DV clearance or must be eligible and willing to go through ...

Java Developer – FintechTo 65,000Quant Capital is urgently looking for a Java Developer to join our high profile client. Our client is a small fintech firm creating by one of the worlds best known personalities in fintech. They are known for solving one of the common problems in the retail … Review of designs/code and knowledge sharing are key to smooth organizational continuity. Two brains are better than one. Day to Day The Java Developer will: Design, develop, test and deploy micro services into the cloud (AWS)Supporting other business units investigating problems, querying data, and building tools ...

Essential: Extensive experience in full-stack software engineering, including design, development, testing, and deployment. Some of the languages and frameworks our teams work with: Java/Kotlin Python C#/.NET Full stack JavaScript (Express, React, Node.js etc.) We expect you to have deep experience in at least ...

Professional knowledge and experience Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Significant hands on experience with Java, Spring Boot and Microservices. Strong understanding of Agile and DevOps practices, with a focus on continuous integration and delivery. Some proficiency in one or more programming … languages (e.g., Python, Java, JavaScript) and experience with software architecture patterns. Experience with cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code. Familiarity with CI/CD pipelines, automated testing, and modern software development practices. Knowledge of technologies such as microservices, containerisation (Docker, Kubernetes), or serverless architecture. Awareness ...

Senior Java Full Stack Engineer Salary: £60,000 - £70,000 plus benefits, perks, and healthcare options! Job type: Permanent | Hybrid (1-2 days per week) | Occasional travel to client sites Security Clearance: Must be SC eligible Base locations: London, Bristol, Manchester or Glasgow Overview We're looking for a Senior … Java Full Stack Engineer with strong backend and frontend development experience, alongside proven experience leading teams, managing stakeholders and working directly with clients You'll play a key role in delivering innovative digital solutions for enterprise clients, providing both strong technical leadership and hands-on development expertise. You'll work ...

development fashion. YOU HAVE: Strong understanding of QA methodologies, shift-left practices, and the full software development lifecycle (TDD, BDD, Scrum, Kanban).Proficient in Java, with a focus on automated testing, root cause analysis, and debugging. Comfortable implementing tests across the full test stack: unit, component, integration, system, and E2E.Experience ...

fashion. YOU HAVE : Strong understanding of QA methodologies, shift-left practices, and the full software development lifecycle (TDD, BDD, Scrum, Kanban). Mastery of Java, with a focus on automated testing, root cause analysis, and debugging. Comfortable implementing tests across the full test stack: unit, component, integration, system, and E2E. ...

security of the UK. About you You will have experience in many of the following: Programming in one or more of JavaScript, Java, .Net, Python Collaboratively designing and building Proof of Concept or Production systems Source controlling your code with Version Control Systems, for example Git, Mercurial, Perforce Utilising ...

engineering, or related field. Professional experience as a software engineer, preferably in a consultancy or industry setting. Experience with multiple programming languages, including Python, Java, C++, Rust, or Go. Experience with associated software development frameworks and tools such as pytest and OpenAPI. Experience working in Unix/Linux environments. Knowledge ...

core computer science principles, including data structures, algorithms, software design, and complexity analysis. Demonstrable programming ability in at least one modern language (e.g., Python, Java, Go, etc).Strong analytical and problem-solving skills, with the ability to approach complex challenges in a structured manner. Excellent communication and interpersonal skills, with ...

core computer science principles, including data structures, algorithms, software design, and complexity analysis. Demonstrable programming ability in at least one modern language (e.g., Python, Java, Go, etc).Strong analytical and problem-solving skills, with the ability to approach complex challenges in a structured manner. Excellent communication and interpersonal skills, with ...

LondonEngineering – Cards Engineering/Employee - Permanent/HybridOur StoryHello there. We're Zopa. We started our journey back in 2005, building the first ever peer-to-peer lending company. Fast forward to 2020 and we ...

Junior Java Engineer TradingTo 75,000Quant Capital is urgently looking for a Java Developer to join our high profile client. They have recently raised (PE and Bank) 50 million and are set for another 100 million raise in February. They are acquiring users at 50,000 per month … Review of designs/code and knowledge sharing are key to smooth organizational continuity. Two brains are better than one. Day to Day The Java Developer will: Design, develop, test and deploy micro services into the cloud (AWS) Supporting other business units investigating problems, querying data, and building tools ...

testing experience CI/CD experience (Azure DevOps, GitHub Actions or Jenkins) Strong troubleshooting and problem-solving skills Desirable: AWS or Azure Python, Java or C# Contract testing Docker/Kubernetes Performance testing AI/LLM application testing This is an excellent opportunity for someone who enjoys solving technical challenges ...

traded commodity products. Experience with commodity scheduling, logistics, inventory or physical settlement processes. Experience with market data, risk and P&L integration. Experience with Java, Spring/Spring Boot, REST APIs, Kafka or similar enterprise technologies . CI/CD and DevOps experience. Previous experience within a major investment bank ...