1 to 25 of 1,001 Java Jobs in London

Java Full Stack Software Engineer page is loaded Java Full Stack Software Engineer Apply locations United Kingdom (Remote or Hybrid) time type Full time posted on Posted 3 Days Ago job requisition id JR101227 It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus … the Problem Be Curious Own the Outcome Respect Each Other YOUR IMPACT We are seeking a highly skilled and passionate Full Stack Software Engineer with a strong focus on Java to join our growing engineering team. In this role, you will be instrumental in designing, developing, and maintaining robust and scalable full-stack applications that power our automation and SaaS … to deployment, collaborating closely with product managers, designers, and other engineers to deliver high-quality, impactful solutions. Design, develop, and implement highly performant and scalable full-stack applications using Java and related technologies. Build and maintain robust back-end services, APIs, and microservices. Develop responsive and intuitive front-end user interfaces. Collaborate with product management to understand requirements and translate More ❯

Java Developer - Java Engineer - Java - Kafka - TDD - Hybrid - 3 Months - £620/650(Inside IR35) - London We're working with one of the UK's leading broadcast providers who are looking for an experienced Java Developer to join their team. This is a fantastic opportunity to work on cutting-edge technology in a collaborative, forward-thinking environment. What you'll … be doing: Designing, building, and testing microservice-based applications using Java, Docker, and Kubernetes Working with Kafka to build event-driven architectures Collaborating closely with other engineers, sharing knowledge and best practices Supporting and mentoring junior developers and contributing to internal training efforts Creating scalable, maintainable, and extensible systems that support large-scale operations Promoting and applying TDD, BDD, and … Agile principles throughout the team What we're looking for: Strong commercial experience with Java, Kafka, and Kubernetes Solid understanding of microservices and container-based architecture Experience with build and config tools like Jenkins, Maven, or Gradle Familiarity with observability tools such as Prometheus and Grafana Working knowledge of software design principles and event-driven architecture Hands-on experience with More ❯

Senior Java Software Engineer - Java 11+, Spring, Spring Boot, Microservices, Kafka, Akka, Docker/Kubernetes, Real-time, TDD/BDD, Payments - London A Senior Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought after by a global Fintech. This organisation specialises in providing high performance technology solutions to global financial … capabilities. As a Senior Engineer, you will join the core engineering team working on the development of their real-time payments processing platform, using a primary tech stack of Java 17, Spring Boot and Akka. You will contribute from both a design and coding perspective, taking ownership of delivering new components and features ensuring high availability, resiliency and scalability. As … with a heavy focus on Pair Programming and TDD, so are looking for people from similar environments. To be successful, you will demonstrate: A strong background in hands-on Java engineering, currently working with Java 11+ Indepth knowledge of microservices architecture and usage of Spring/Spring Boot Experience developing distributed, real-time applications (with Akka AND/OR Kafka More ❯

Java Software Engineer - Java 11+, Spring, Spring Boot, Microservices, Kafka, Akka, MongoDB, Docker/Kubernetes, Real-time, TDD/BDD, Payments A Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought after by a global Fintech based in South West London. This organisation specialises in providing high performance technology solutions … capabilities. As a Senior Engineer, you will join the core engineering team working on the development of their real-time payments processing platform, using a primary tech stack of Java 17, Spring Boot and Akka. You will contribute from both a design and coding perspective, taking ownership of delivering new components and features ensuring high availability, resiliency and scalability. As … with a heavy focus on Pair Programming and TDD, so are looking for people from similar environments. To be successful, you will demonstrate: A strong background in hands-on Java engineering, currently working with Java 11+ Indepth knowledge of microservices architecture and usage of Spring/Spring Boot Experience developing distributed, real-time applications with Kafka and the JMS (or More ❯

We're Hiring: Java Engineer - Centre of Excellence (Java/Microservices/APIs) Location: London, United Kingdom (Hybrid - Minimum 2 days onsite/week)?? Start Date: Immediate? Engagement Type: Contract - Outside IR35 , 12-month initial term (with potential for extension or permanent employment) Industry: Financial Services/Technology Consulting About the Role We are seeking a highly capable Java Engineer … focused on delivering secure, scalable, and production-grade digital solutions for the financial services sector. This is a hands-on engineering role ideal for someone with strong experience in Java , Spring Boot , microservices , and API development , who thrives in collaborative, high-accountability environments. The successful candidate will contribute to backend service design, secure API delivery, and the development of reusable … engineering assets across client engagements. Key Responsibilities Design, develop, and maintain backend services using Java and Spring Boot Build and integrate secure APIs aligned with industry standards (e.g., OAuth2, OpenID Connect) Contribute to the development of microservices architectures and distributed systems Collaborate with frontend, DevOps, and QA teams to deliver cohesive, end-to-end solutions Participate in technical design sessions More ❯

Principal FullStack Engineer - NPPV3, SC, Java, 4GL, Java Script Up to £635 per day (InsideIR35) London/Remote 12 Months My client is an instantly recognisable consultancy who require a Principle/Lead FullStack Engineer with Java, C#, Java Script and Active Security Clearance (SC), as well as Active NPPV3, to lead a team of Engineers in a critical project … for an end client.Key requirements: Principal FullStack engineer with experience leading teams of engineers on complex projects Active Security Clearance (SC) and Active NPPV3 Full stack experience in C#, Java (Spring Boot, JPA/Hibernate), Rest APIs Experience in building microservices and knowledge of SOLID principles Understanding of 4GL (fourth generation programming language) Experience in backlog refinement, preparation of user … stories and object oriented analysis and design Excellent stakeholder management skills Nice to have: Experience in Front End (Java Script or View JS) Awareness of AWS DevOps principles and orchestration tools (Docker, Terraform, Kubernetes) Knowledge of GDS standards, to provide support on technical decisions If you're interested in this role, click 'apply now' to forward an up-to-date More ❯

to achieve interoperability, in order to extract value from data held in disparate environments. Experienced with one or more of the following: Infrastructure as Code, API implementations, Containerisation, C++, Java, Spring Framework (including Spring Boot), Microservices, Oracle, Oracle Golden Gate, Kafka, Security Architecture Principles. Experience working in an agile environment and across multiple different roles (Delivery Leads, Business Analyst etc. More ❯

knowledge of programming, problem-solving, data analysis or systems development would be beneficial for this role. Including any of the following Programming Languages: Exposure to languages such as: • C++, Java, Python, JavaScript, C# Systems & Tools: Knowledge of or experience with any of the following: Linux/Unix operating systems Cloud Technologies (AWS, Azure, Google Cloud) DevOps tools (e.g., Docker, Kubernetes More ❯

knowledge of programming, problem-solving, data analysis or systems development would be beneficial for this role. Including any of the following Programming Languages: Exposure to languages such as: • C++, Java, Python, JavaScript, C# Systems & Tools: Knowledge of or experience with any of the following: Linux/Unix operating systems Cloud Technologies (AWS, Azure, Google Cloud) DevOps tools (e.g., Docker, Kubernetes More ❯

contribute to the firm's success. If you have a proactive mindset and a demonstrated passion for technology, we want to hear from you. Key Responsibilities Own development of Java-based applications, ensuring focus on correctness, resilience and quality. Work across different functional and technical solutions including Synthetic Prime brokerage, Cash Prime Brokerage and Regulatory initiatives. Collaborate closely with the … support to resolve issues. Required Skills and Experience Candidates must have a Bachelor of Technology or equivalent degree in Computer Science. Minimum of 3-8 years of hands-on Java development in an enterprise environment. Strong analytical and problem-solving skills. Good communication skills and the ability to work effectively with the stakeholders and the global team. Proficiency with Spring … problems. Demonstrated interest in technology and modern software design/architecture. Preferred Skills Functional: Experience or Certification on Capital Market and specifically Prime Brokerage will be highly preferred. Technical: Java: Java 17+, Collections, Spring Boot 3, Java Streams API, concurrency, JPA, JMS, profiling, garbage collection Databases: Sybase/MS SQL Server, MongoDB, DB2 Integration: Enterprise Integration Patterns, Apache Camel DevOps More ❯

teams, collaborating effectively and taking pride in your work. Strong problem-solving skills, viewing technology as a means to solve challenges. Proficiency in a programming language (e.g., Scala, Python, Java, C#) with understanding of domain modelling and application development. Knowledge of data management platforms (SQL, NoSQL, Spark/Databricks). Experience with modern engineering tools (Git, CI/CD), cloud More ❯

a Full Stack Developer. Extensive experience in Azure cloud services and related technologies. Proficient in front-end technologies (HTML, CSS, JavaScript, React or Angular) and back-end languages (C#, Java, Python, etc.). Solid understanding of RESTful APIs and microservices architecture. Experience with version control systems (Git). Familiarity with Agile/Scrum development methodologies. Excellent problem-solving skills and More ❯

Developer. Extensive experience in AWS cloud services, including EC2, S3, Lambda, RDS, DynamoDB, etc. Proficient in front-end technologies (HTML, CSS, JavaScript, React or Angular) and back-end languages (Java, Python, Node.js, etc.). Solid understanding of RESTful APIs and microservices architecture. Experience with version control systems (Git). Familiarity with Agile/Scrum development methodologies. Excellent problem-solving skills More ❯

Relevant coursework or projects in data engineering are a plus. Experience: Minimum of 1 years of experience in software development. Technical Skills: Proficiency in programming languages such as Python, Java, or Scala. Knowledge of data modeling and schema design. Familiarity with SQL skills and relational databases (e.g., PostgreSQL, MySQL). Familiarity with at least one cloud platform (e.g., AWS, Azure More ❯

Clearance required: Must hold SC and NPPV3 or be eligible for both Location: Croydon - onsite 2/3 days a week Job Description: What you'll bring: Experience of Java. Experience of Spring framework or equivalent. Knowledge of software design More ❯

field 3+ years of professional software development experience Excellent problem-solving skills and a proactive approach to addressing challenges. Strong programming skills in languages such as Go, SQL, Python, Java or Scala Experience in the effective application of AI tooling in your development process A growth mindset and eagerness to work in a fast-paced, mission-driven environment Excellent communication More ❯

who makes a huge impact to the 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 CI/CD tools More ❯

Our Story Hello 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 launched Zopa Bank. A bank that listens to what our customers More ❯

We're Hiring: Backend Specialist - Java/Microservices/Secure APIs Location: London, United Kingdom (Hybrid - Minimum 2 days onsite/week)?? Start Date: Immediate? Engagement Type: Contract - Outside IR35 , 12-month initial term (with potential for extension or permanent employment) Industry: Financial Services/Technology Consulting About the Role We are seeking a highly skilled Backend Engineer to join … focused on delivering secure, scalable, and production-grade digital solutions for the financial services sector. This is a hands-on engineering role ideal for someone with deep expertise in Java, Spring Boot, and secure API design , and who thrives in fast-paced, client-facing environments. The successful candidate will play a key role in shaping backend architecture, driving secure service … delivery, and contributing to engineering standards across engagements. Key Responsibilities Design and develop backend services using Java and Spring Boot Architect and implement secure APIs using OAuth2, FAPI, OpenID Connect Ensure backend services are performant, scalable, and resilient Collaborate with frontend, DevOps, and QA teams to deliver integrated solutions Participate in architecture reviews, technical design sessions, and stakeholder workshops Champion More ❯

Computer Science, Engineering, or Mathematics are preferred. Excellent team player with a strategic outlook and rapid application development skills. Strong technical skills in at least one core programming language (Java or C#) and one scripting language (Python, JavaScript, ReactJS + TypeScript). Solid understanding of data structures and algorithms. Knowledge of web development, Equity Derivatives, Kafka, Kubernetes, Docker, SQL, KDB More ❯

still love to hear from you! Essential Skills & Experience: Eligibility for SC clearance . Experience in Agile environments (e.g., SCRUM, Kanban) A technical development background with coding skills in Java, C#, TypeScript, JavaScript , or similar. Expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured. Knowledge of integration testing and automation frameworks. Hands-on More ❯

test automation Fluency in functional and object -oriented programming languages . Competency in using Git, CI/CD platforms, Docker and Kubernetes. Familiarity with More than one of: C#, Java, Python, and C++ Databases such as: MSSQL, Postgres, Redis Kafka/RabbitMQ or similar event-based platforms Data structures and design/analysis of algorithms Not required, but a bonus More ❯

git. Experience with back-end web application frameworks (Django, FastAPI, etc) NICE TO HAVE Google Cloud (Cloud Functions, AppEngine, PubSub, Stackdriver, etc.) Docker, Kubernetes Typescript, NodeJS, React, Webpack etc. Java, C# Experience within the advertising/media agency space. Terraform If you are ready to be at the forefront of the AdTech industry, shaping its future, and driving success for More ❯

you to have much of the following, but it's ok if you don't check every box: Hands on Software Engineering background with experience in building applications in Java, using a broad set of tools, techniques, and platforms, with a focus on proving it works and does the right thing. Experience working with Spring, REST APIs, JSON and Microservices. More ❯

of experience in test automation and unit testing frameworks for iOS or Android apps. Proficiency in object-oriented design and expertise in one or more programming languages: Swift, Kotlin, Java, or Node.js/TypeScript. Excellent problem-solving skills. Strong collaboration skills and familiarity with standard Software Development Lifecycle (SDLC) tools such as Jira, Confluence, and version control systems like GitLab More ❯