1 to 25 of 87 Permanent Java Jobs in Central London

background in Software Engineering, which evolved naturally into DevOps, Test Automation, and ultimately Cloud/Platform Engineering. ● The Stack: Proficient in Python and TypeScript (Java is a strong plus). ● The AI Flex: If you are an AI power-user who can rapidly adapt to new languages using AI assistance ...

Principal Java Developer/Consultant (Java Spring Boot AWS) London/WFH to £120k Are you an experienced Java Developer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. What's in it for you: Salary to £120k Pension, Life … your family, including mental health Travel Insurance Charitable giving Gym membership for you and your family Flexible holiday scheme Your role: As a Principal Java Developer/Consultant you will lead client projects, often long term technical transformations, designing, developing and delivering a range of projects for clients, mainly within ...

depending on experience, plus bonus & benefits Clearance Eligibility for SC Clearance An experienced Senior Solution Architect with a strong software engineering background (Java/.NET) and eligibility for SC clearance, specialising in the design and delivery of scalable, cloud native solutions using microservices and API-driven architectures. Key Responsibilities ...

depending on experience, plus bonus & benefits Clearance Eligibility for SC Clearance An experienced Senior Solution Architect with a strong software engineering background (Java/.NET) and eligibility for SC clearance, specialising in the design and delivery of scalable, cloud native solutions using microservices and API-driven architectures. Key Responsibilities ...

with modern AI platforms — OpenAI, Claude, Vertex AI, or open-source models — including building or using abstraction layers for multi-provider pipelines. Strong Python, Java or equivalent experience building 12 factor applications + Infrastructure as Code (Terraform, Helm) Strong experience in client-facing communication and collaboration, including leading technical discussions ...

with modern AI platforms — OpenAI, Claude, Vertex AI, or open-source models — including building or using abstraction layers for multi-provider pipelines. Strong Python, Java or equivalent experience building 12 factor applications + Infrastructure as Code (Terraform, Helm) Strong experience in client-facing communication and collaboration, including leading technical discussions ...

Kinesis Data Streams API Gateway DynamoDB and S3 Experience testing event-driven and serverless architectures Test Automation & Tools Experience with: Automation frameworks (Jest framework, Java/Springboot, or similar) API testing tools (Postman, REST clients) Ability to: Create automated test suites Validate JSON-based inputs/outputs for APIs ...

Kinesis Data Streams API Gateway DynamoDB and S3 Experience testing event-driven and serverless architectures Test Automation & Tools Experience with: Automation frameworks (Jest framework, Java/Springboot, or similar) API testing tools (Postman, REST clients) Ability to: Create automated test suites Validate JSON-based inputs/outputs for APIs ...

Developer Associate, or DevOps Engineer are highly desirable Desirable Experience Any exposure to the following would be advantageous: React or modern front-end frameworks Java, Go, C#, Rust, or other strongly typed languages Internal platform engineering or developer platform ownership Event-driven architectures using EventBridge, Kinesis, Kafka ...

security control Security & Resilience: Deep understanding of threat modelling, authentication patterns, and observability Modern Development: Familiarity with languages such as Ruby, Python, or Java, alongside CI/CD, TDD, and containerisation Communication: Exceptional ability to simplify complex topics and build consensus across diverse groups Desirable Attributes Experience with enterprise ...

role - forward deployed engineering, technical consulting, solutions architecture, or engineering leadership with external stakeholders Strong proficiency in modern software engineering stacks - Python, TypeScript, or Java - with comfort across cloud platforms (AWS, Azure, GCP) Experience driving engineering process change or transformation within organisations - you have helped teams adopt new tools, practices ...

role - forward deployed engineering, technical consulting, solutions architecture, or engineering leadership with external stakeholders Strong proficiency in modern software engineering stacks - Python, TypeScript, or Java - with comfort across cloud platforms (AWS, Azure, GCP) Experience driving engineering process change or transformation within organisations - you have helped teams adopt new tools, practices ...

automated testing. You'll also bring: Proven hands-on experience in manual testing, supported by automation testing experience. Experience testing large enterprise systems, including Java and Oracle web applications. Experience testing Windows 11 and associated applications within an Evergreen environment. Knowledge of cloud and infrastructure environments (Azure ...

microservices, event-driven architecture Cloud & Infrastructure Expertise in AWS, Azure, or GCP Infrastructure as Code (Terraform, ARM, CloudFormation) Programming & Development Strong coding background (e.g., Java, C#, Python, Node.js) Understanding of software development lifecycle (SDLC) Data & Storage SQL and NoSQL databases (e.g., PostgreSQL, MongoDB) Desirable skills: BPSS/NPPV ...

real-time data processing jobs. Your Skills: Hadoop Ecosystem: HDFS, Hive, Spark, MapReduce, YARN, HBase Data Integration: Sqoop, Kafka, Flume, NiFi Programming: Python, Scala, Java, Shell Scripting Databases: Oracle, SQL Server, MySQL, PostgreSQL Cloud: AWS, Azure, GCP Workflow Tools: Oozie, Airflow We are a Disability Confident Employer: Capgemini is proud ...

real-time data processing jobs. Your Skills: Hadoop Ecosystem: HDFS, Hive, Spark, MapReduce, YARN, HBase Data Integration: Sqoop, Kafka, Flume, NiFi Programming: Python, Scala, Java, Shell Scripting Databases: Oracle, SQL Server, MySQL, PostgreSQL Cloud: AWS, Azure, GCP Workflow Tools: Oozie, Airflow We are a Disability Confident Employer: Capgemini is proud ...

The ideal candidate will be responsible for developing high-quality applications. They will also be responsible for designing and implementing testable and scalable code. Responsibilities Develop quality software and web applications Analyze and maintain existing ...

The ideal candidate will be responsible for developing high-quality applications. They will also be responsible for designing and implementing testable and scalable code. Responsibilities Develop quality software and web applications Analyze and maintain existing ...

role of Java Software Engineer involves designing, developing, and maintaining robust Java-based applications. This position is ideal for those with a strong technical background and a passion for delivering high-quality solutions within the business services industry. Client Details The hiring organisation is a well-established and respected entity … medium-sized company, they focus on delivering innovative technology solutions to their clients, ensuring efficiency and excellence in every project. Description Develop and maintain Java-based software applications to meet client requirements. Collaborate with cross-functional teams to design and implement efficient technical solutions. Perform code reviews to ensure high ...

Market data and financial instruments Experience supporting Front Office or trading desks (highly desirable) ️ Technical Skills Advanced programming skills in: Python (essential) C++/Java/C# (strongly preferred) Experience with: Object-oriented design and software engineering best practices Numerical methods (Monte Carlo, PDEs, stochastic calculus) Data structures, algorithms ...

Market data and financial instruments Experience supporting Front Office or trading desks (highly desirable) 🛠️ Technical Skills Advanced programming skills in: Python (essential) C++/Java/C# (strongly preferred) Experience with: Object-oriented design and software engineering best practices Numerical methods (Monte Carlo, PDEs, stochastic calculus) Data structures, algorithms ...

Appium. Knowledge of software testing methodologies including: Functional Testing Integration Testing Regression Testing End-to-End Testing Technical understanding of SQL, PL/SQL, Java, Python, or C#. Strong stakeholder management, communication, and leadership skills. Experience working within Agile delivery environments. If you are interested or would like to know ...

Appium. Knowledge of software testing methodologies including: Functional Testing Integration Testing Regression Testing End-to-End Testing Technical understanding of SQL, PL/SQL, Java, Python, or C#. Strong stakeholder management, communication, and leadership skills. Experience working within Agile delivery environments. If you are interested or would like to know ...

Appium. Knowledge of software testing methodologies including: Functional Testing Integration Testing Regression Testing End-to-End Testing Technical understanding of SQL, PL/SQL, Java, Python, or C#. Strong stakeholder management, communication, and leadership skills. Experience working within Agile delivery environments. If you are interested or would like to know ...

deep application support experience. Beyond that, we're not looking for a checklist of tools: working knowledge of Docker, Terraform, MongoDB, Java, or SQL Server is a bonus, not a requirement, and general comfort with a scripting/OOP language plus Agile/DevOps ways of working will serve ...