76 to 100 of 358 Java Jobs in London

Senior Java Developer (AWS)6 monthsRemote working (Candidates must be UK based with full right to work)420.00 PD – Inside IR35OverviewWe are seeking a highly experienced Senior Java Developer with some proven lead experience, to join a major Government programme delivering secure, cloud-native digital services. The successful candidate will … have extensive experience building scalable Java applications within AWS environments and will play a key role in designing, developing, and enhancing microservices-based solutions.Essential Skills & ExperienceStrong commercial Java development experienceExperience delivering solutions within AWS cloud environmentsProven experience building and supporting microservices architecturesStrong understanding of secure software development practicesExperience developing RESTful ...

technology partner to leading investment banks, exchanges, clearing houses, and capital markets institutions. We are seeking an experienced AWS Cloud Architect with a strong Java background to join a strategic cloud modernization and migration program for a major financial services client. In this role, you will lead the architecture … define migration strategies, modernize applications, and establish cloud best practices across the organization. The ideal candidate combines deep AWS architecture expertise with hands-on Java experience and a strong understanding of Capital Markets platforms, trading workflows, and financial technology environments. Responsibilities Responsibilities This initiative focuses on: Cloud migration and modernization ...

Java Developer/Backend Software Engineer (Kafka API) London/WFH to 90kAre you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career You could be joining a global technology consultancy.What's in it for you:Salary to 90kHybrid … ProtectionPrivate medical care for you and your family, including mental healthTravel InsuranceCharitable givingGym membership for you and your familyFlexible holiday schemeYour role:As a Java Developer you will design, develop and deliver a range of transformational projects for clients, mainly within the financial services sector and with a focus ...

Java Developer/Backend Software Engineer (Kafka API) London/WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joining a global technology consultancy. What's in it for you: Salary … your family, including mental health Travel Insurance Charitable giving Gym membership for you and your family Flexible holiday scheme Your role: As a Java Developer you will design, develop and deliver a range of transformational projects for clients, mainly within the financial services sector and with a focus on Kafka ...

environments. As Senior Software Test Engineer Experience Reuired: Experience as a Software Test Engineer, SDET or Automation Test Engineer Strong Python, C# or Java skills Experience building and maintaining automated test frameworks Integration, system and regression testing experience Experience working closely with software developers in Agile teams CI/ ...

foundation in data engineering who wants to develop their technical skills, take on greater responsibility and gain exposure to technologies including Kafka, Terraform and Java . Due to the nature of the roles, active SC clearance is required. You don't need to be an expert in every technology. ...

team designing, developing and maintaining secure, scalable software systems within complex, mission-critical environments. Key Requirements: Active SC Clearance (essential) Strong software development experience (Java, Python, C# or similar) Experience working in Agile environments Knowledge of cloud technologies (AWS, Azure or GCP) Understanding of secure coding and software engineering best ...

Required: Proven track record leading software engineering teams, managing delivery, and line-managing engineers. Hands-on proficiency in modern languages: Python, TypeScript/Node.js, Java, or Go. Practical experience building AI-enabled services, integrating LLMs, model evaluation, and prompt/context management. Hands-on experience with AWS (specifically AWS Bedrock ...

organisations. Essential Skills & Experience Proven experience operating as a Lead Engineer or Principal Engineer within complex delivery environments. Strong experience developingbackend services using: Kotlin Java Spring Boot Python FastAPI Frontend development experience using: TypeScript Node.js Express Experience working within cloud-native environments and modern software delivery practices. Ability to operate ...

capabilities, able to build production-grade applications not just prototypes. Strong proficiency in at least one relevant programming language such as Python or PySpark, Java, Typescript or SQL.Solid understanding of data engineering, data modelling, security and governance in enterprise settings. Experience with software engineering best practices including Git-based development ...

technology strategy through hands-on delivery and experimentation. What We're Looking For Essential Strong software engineering experience with languages such as Python, TypeScript, Java, or C#. Experience building production-grade applications and APIs. Familiarity with cloud platforms such as Azure, AWS, or GCP. Experience working directly with stakeholders ...

degree in Business, Information Technology, Computer Science or a related discipline. Some foundational knowledge of at least one programming language, such as Python, JavaScript, Java or C#. An understanding of basic software testing principles and the Software Development Life Cycle (SDLC). Strong analytical and problem-solving skills. Excellent attention ...

pipelines, Linux and modern engineering workflows. Regular use of AI-assisted development tools such as Cursor, Claude Code or similar. Desirable experience includes: Java and Spring Boot. Event-driven architectures and workflow orchestration. LLM integrations or AI-powered products. Experience within regulated or data-intensive industries. What They Offer Competitive ...

graduate roles, internships and strong final-year projects all welcome) Working proficiency in at least one compiled language: Go, C/C++, Rust or Java Solid grasp of core software design principles, version control (Git) and automated testing methodologies Basic understanding of distributed systems, network fundamentals or large-scale data ...

/technical discipline4+ years of software development experienceStrong analysis and design skills, including data structures, algorithms and performance-oriented designHands-on programming experience in Java/PythonStrong communication skills with both technical and business audiencesWe'd also love to see (you don't need all of these)Working knowledge ...

with AWS and Azure cloud computing services providing the necessary infrastructure, resources, and interfaces to enable data loading and LLM workflows. Use Python/Java and large-scale data workflow orchestration platforms e.g. Airflow to construct software artifacts for ETL, interfacing with diverse data formats and storage technologies, and incorporate ...

outcomesSeveral years building backend services across integration paradigms (e.g., synchronous API-driven, message-driven, and event-driven)Fluency in at least one of: Java, .NET/C#, Python, TypeScript (front-end experience such as React is a plus)Recent experience building, deploying, and running cloud-native applications ...

competing priorities. Familiarity with common design patterns and architectural principles, including domain-driven design (DDD), event-driven architecture (EDA), and microservices architecture. Familiarity with Java (Spring), Kubernetes, AWS, and service mesh architectures and technologies such as RESTful APIs, API design, Swagger, OpenAPI, and OAuth2. Familiarity and working experience with relational ...

competing priorities. Familiarity with common design patterns and architectural principles, including domain-driven design (DDD), event-driven architecture (EDA), and microservices architecture. Familiarity with Java (Spring), Kubernetes, AWS, and service mesh architectures and technologies such as RESTful APIs, API design, Swagger, OpenAPI, and OAuth2. Familiarity and working experience with relational ...

improvement mindset focused on automation, reuse and reliable delivery.Proficiency in at least one programming language commonly used for data and integration work (e.g. Python, Java) and practical SQL skills for working with structured data.Closing Date for Applications: Monday 16th November 2026 (COB)Please take a copy of the Job Description ...

mindset focused on automation, reuse and reliable delivery. Proficiency in at least one programming language commonly used for data and integration work (e.g. Python, Java) and practical SQL skills for working with structured data. Closing Date for Applications: Monday 16th November 2026 (COB) Please take a copy ...

technologies is required. Experience with GenAI application development including vector stores, RAG solutions, context engineering, prompt engineering, observability is essentialExperience with Agentic AI development & Java Spring Framework would be advantageousUnderstanding of full stack development and architecture patterns. Experience with RESTful API development and integration. Proven track record in developing base ...

Role: Java React Developer Type: PERM Location: London, UK Working Model: Hybrid (3 Days per week in Office) We are hiring a Full Stack Java/React Developer to build and deploy enterprise-scale distributed applications and microservices. The Tech Stack: Backend: Java (11/17), Spring Boot, Spring Security ...

practices. Mentor junior engineers while remaining hands-on with development. Support the delivery of reliable, secure data solutions. Essential Skills & Experience Strong experience in Java and/or Python. Hands-on expertise with Kafka, Kubernetes and AWS. Experience with Terraform and CI/CD pipelines (ideally Drone). Proven experience ...

Integration & Orchestration Consultant Principal Technology Consultant London hybrid remote artificial intelligence public sector government pre sales pre-sales presales security cleared SC DV eDV java spring boot docker Kubernetes terraform ...