Java Jobs in London

1 to 25 of 504 Java Jobs in London

Senior Java Developer

London, United Kingdom
Ascendion
Job Title: Senior Java Developer Role Summary: We are looking for a highly skilled Senior Java Developer to design, develop, and maintain enterprise-grade applications. The role involves working closely with architects, business analysts, and cross-functional teams to deliver scalable, secure, and high-performing solutions. Key Responsibilities: Design, develop, and implement robust Java-based applications for enterprise use. Collaborate … compliance with security standards. Troubleshoot, debug, and resolve complex production issues. Contribute to continuous improvement in development processes and tools. Required Skills & Experience: 5 8+ years of experience in Java/J2EE application development. Strong knowledge of Core Java, Spring Framework (Spring Boot, Spring MVC, Spring Security), Hibernate/JPA. Hands-on experience with RESTful APIs, Microservices architecture, and messaging More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Java Developer

London, United Kingdom
Ascendion
Job Title: Senior Java Developer Role Summary: We are looking for a highly skilled Senior Java Developer to design, develop, and maintain enterprise-grade applications. The role involves working closely with architects, business analysts, and cross-functional teams to deliver scalable, secure, and high-performing solutions. Key Responsibilities: Design, develop, and implement robust Java-based applications for enterprise use. Collaborate … compliance with security standards. Troubleshoot, debug, and resolve complex production issues. Contribute to continuous improvement in development processes and tools. Required Skills & Experience: 5–8+ years of experience in Java/J2EE application development. Strong knowledge of Core Java, Spring Framework (Spring Boot, Spring MVC, Spring Security), Hibernate/JPA. Hands-on experience with RESTful APIs, Microservices architecture, and messaging More ❯
Employment Type: Permanent, Contract
Posted:

Senior DevOps Engineer

London, United Kingdom
Hybrid / WFH Options
Lloyds Bank plc
at least one cloud platform - GCP, AWS, Azure, OpenShift etc. Excellent knowledge and experience of continuous integration and delivery for fast and secure route to live. Technical understanding of Java and related technologies including Spring Boot, Maven, JSON, Kafka, REST APIs will be very advantageous. Knowledge of infrastructure, Linux, networking and security would be an added advantage. Practical experience with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AWS Full Stack Developer

London, United Kingdom
IBM Computing
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London, United Kingdom
Hybrid / WFH Options
Lloyds Bank plc
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 large scale 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, Hibernate, REST APIs, JSON, Microservices More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Platform Delivery Lead (BPMN & DMN - Camunda)

London, United Kingdom
Adecco
utilisation. Mentor and Inspire: Lead, manage, and mentor your team, fostering a collaborative environment focused on results. Technical Skills: Orchestration: Camunda 8 (including Zeebe, Operate, Elasticsearch, etc.) Backend Development: Java 21, Spring Boot 3.x, Kafka Frontend Development: Angular 15+, React 18+, REST APIs CI/CD Tools: Jenkins, Docker, Kubernetes Monitoring & Alerts: Prometheus, Grafana Data Persistence: PostgreSQL, MongoDB, Redis Why More ❯
Employment Type: Contract
Posted:

Senior Platform Delivery Lead BPMN & DMN - Camunda

London, South East, England, United Kingdom
Adecco
utilisation. Mentor and Inspire: Lead, manage, and mentor your team, fostering a collaborative environment focused on results. Technical Skills: Orchestration: Camunda 8 (including Zeebe, Operate, Elasticsearch, etc.) Backend Development: Java 21, Spring Boot 3.x, Kafka Frontend Development: Angular 15+, React 18+, REST APIs CI/CD Tools: Jenkins, Docker, Kubernetes Monitoring & Alerts: Prometheus, Grafana Data Persistence: PostgreSQL, MongoDB, Redis Why More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Technical Lead DV Cleared

London Area, United Kingdom
Damia Group
approaches to observability, SRE, and DevSecOps in production systems Act as a trusted point of contact for both internal and client-facing technical discussions Key Skills & Experience Proficiency in Java, Python, Go, JavaScript/TypeScript Strong experience with frameworks and tools including Spring Boot, React, Node.js, Docker, Kubernetes, and Terraform Deep understanding of modern architecture patterns such as microservices, RESTful More ❯
Posted:

Technical Lead DV Cleared

City of London, London, United Kingdom
Damia Group
approaches to observability, SRE, and DevSecOps in production systems Act as a trusted point of contact for both internal and client-facing technical discussions Key Skills & Experience Proficiency in Java, Python, Go, JavaScript/TypeScript Strong experience with frameworks and tools including Spring Boot, React, Node.js, Docker, Kubernetes, and Terraform Deep understanding of modern architecture patterns such as microservices, RESTful More ❯
Posted:

Technical Lead DV Cleared

london, south east england, united kingdom
Damia Group
approaches to observability, SRE, and DevSecOps in production systems Act as a trusted point of contact for both internal and client-facing technical discussions Key Skills & Experience Proficiency in Java, Python, Go, JavaScript/TypeScript Strong experience with frameworks and tools including Spring Boot, React, Node.js, Docker, Kubernetes, and Terraform Deep understanding of modern architecture patterns such as microservices, RESTful More ❯
Posted:

Technical Lead DV Cleared

london (city of london), south east england, united kingdom
Damia Group
approaches to observability, SRE, and DevSecOps in production systems Act as a trusted point of contact for both internal and client-facing technical discussions Key Skills & Experience Proficiency in Java, Python, Go, JavaScript/TypeScript Strong experience with frameworks and tools including Spring Boot, React, Node.js, Docker, Kubernetes, and Terraform Deep understanding of modern architecture patterns such as microservices, RESTful More ❯
Posted:

Senior Software Engineer

London, United Kingdom
Henry Schein One group
experimentation is encouraged. 7+ years of experience building backend systems in a production environment. 3+ years of hands-on experience with modern software architecture and scalable frameworks. Proficiency in Java (Spring Boot), Python, or similar. Proficiency in JavaScript/TypeScript with frameworks like React (preferred), Angular, Vue, or similar. Solid understanding of scalable, service-oriented architectures in a cloud or More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Java Developer

London, South East, England, United Kingdom
Proactive Appointments
Senior Java Developer Inside IR35 - 3 days onsite Our banking client is seeking an experienced Senior Java Developer to join their dynamic technology team. This role offers the opportunity to work on high-impact financial applications, driving innovation and excellence in software development within a fast-paced and regulated environment. As a Senior Java Developer, you will play a key … role in designing, developing, and maintaining enterprise-grade applications, while mentoring junior engineers and helping shape technical strategy. Key Responsibilities Design, develop, and maintain Java-based applications and services . Write clean, efficient, and well-documented code . Participate in code reviews and provide constructive feedback. Collaborate with cross-functional teams to define, design, and deliver new features . Troubleshoot … and debug complex issues. Required Qualifications Professional Java software development experience. Strong understanding of object-oriented programming and design patterns . Hands-on experience with Spring and Hibernate frameworks. Solid experience with relational databases (MSSQL, Oracle). Proven experience with RESTful API design and development . Strong background in unit, regression, and integration testing (JUnit). Experience with Maven/ More ❯
Employment Type: Contractor
Rate: £600 - £700 per day
Posted:

Full Stack Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Robert Half
to recruit a Full Stack Developer - Fully remote The Full Stack Developer will have experience across: React Python Javascript Nice to have: CI/CD Pipelines Github Actions Vue Java Azure Azure Devops Role The Full Stack Developer will adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns. Advocate for continuous delivery practices More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior Software Engineer - Analytics Front Office

London, United Kingdom
DRW Holdings, LLC
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Product Engineer remote

South West London, London, United Kingdom
Hybrid / WFH Options
Serve Legal
and scalability. Collaborative Spirit works fluidly with data scientists, commercial teams, and ops leaders. Hard Skills Required Software Engineering: Strong in at least one modern language (JavaScript/TypeScript, Java, Python) Web & Product Development: Frameworks (React, Node.js, Django/Flask) AI, GenAI and LLMs: OpenAI, Gemini, Grok, Llama Agentic AI: Frameworks (langchain, langgraph, Google ADK) AI enabled code tooling: Cursor More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

Senior Data Engineer - Central Services

London, South East, England, United Kingdom
Norton Rose Fulbright LLP
pipelines Ability to design, build, and deploy data solutions that capture, explore, transform, and utilize data to support AI, ML, and BI Strong ability in programming languages such as Java, Python, and C/C++ Ability in data science languages/tools such as SQL, R, SAS, or Excel Proficiency in the design and implementation of modern data architectures and More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Senior Data Engineer

London, United Kingdom
Sandtech
governance frameworks and practices. Understanding of machine learning workflows and how to support them with robust data pipelines. DESIRABLE LANGUAGES/TOOLS Proficiency in programming languages such as Python, Java, Scala, or SQL for data manipulation and scripting. Strong understanding of data modelling concepts and techniques, including relational and dimensional modelling. Experience in big data technologies and frameworks such as More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

.Net Developer AI/ML Integration

London, South East, England, United Kingdom
Hybrid / WFH Options
Searchability
/banking systems AI/ML integration proficiency (NLP, recommendation systems) Compliance awareness Cloud deployment experience (Azure/AWS) - highly desirable Backend development using other languages such as Python, Java - highly desirable SQL/NoSQL database design & optimisation - desirable DevOps (CI/CD pipelines, Docker, Kubernetes) - desirable TO BE CONSIDERED... Please apply directly by emailing with your CV and availability. More ❯
Employment Type: Contractor
Rate: £400 - £450 per day
Posted:

Senior Solutions Architect

Holborn, Greater London, England
Nexus Jobs Limited
be conversant with emerging technologies - chatbots, voice/conversational interfaces, RPA, Machine Learning, etc. " In-depth, hands-on experience in developing web/mobile applications or platform with either Java/J2EE or .NET tech stack and database technologies such as Oracle, MySQL, etc. " Exposure to polyglot programming languages like Scala, Python and Golang will be a plus " Ability to More ❯
Employment Type: Permanent
Posted:

Senior Full Stack Software Engineer

London, United Kingdom
Fasanara Capital Ltd
professional environment. Proven experience designing and developing robust APIs, microservices, and backend systems that power business-critical workflows. Experience with at least one of the following languages: Go, Python, Java, C#, or C++. We primarily use Go and Python - familiarity with these is a strong advantage. Solid knowledge of relational databases and proficiency in SQL (e.g., MySQL). Practical experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Engineering - Software Engineer - Vice President - London

London, United Kingdom
WeAreTechWomen
approach and passion to problem solving and product development. 1+ years of software development experience. Expert Knowledge in One Or More Of Programming in a compiled language such as Java, or C++ or an interpreted language such as Python and experience with concurrency and memory management. Responsive web development, with professional React/Angular/Redux experience and advanced JavaScript More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Full Stack Engineer

London, United Kingdom
Henry Schein One group
experimentation is encouraged. 7+ years of experience building backend systems in a production environment. 3+ years of hands-on experience with modern software architecture and scalable frameworks. Proficiency in Java (Spring Boot), Python, or similar. Proficiency in JavaScript/TypeScript with frameworks like React (preferred), Angular, Vue, or similar. Solid understanding of scalable, service-oriented architectures in a cloud or More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer/Architect.

London, United Kingdom
Cisco Systems
group. Minimum Qualifications: Bachelor's degree in computer science, engineering, or a related discipline 7+ years' experience in a software engineering role or environment Proficiency in Go and Python; Java, Kotlin and/or JavaScript are a strong plus Experience working with Kubernetes, Containers, and Helm Experience developing and deploying scalable solutions in both on-premise and public cloud environments More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Platform Engineer/SRE

Bromley, Greater London, Bromley Town, United Kingdom
Hybrid / WFH Options
Ascendion
scale applications with focus on performance, scalability, security, and reliability. Experience in a highly Agile continuous integration and continuous deployment environment, preferably within a financial domain. Strong experience in Java/J2EE, Spring Boot, Mule, web Services, Kafka, SQL & PL/SQL (Oracle) Strong knowledge of XML, JSON and its usage within API and Microservice implementations at scale. Experience in More ❯
Employment Type: Permanent, Contract
Posted:
Java
London
10th Percentile
£57,500
25th Percentile
£75,000
Median
£107,500
75th Percentile
£135,000
90th Percentile
£142,500