1 to 25 of 87 Part-Time Java Jobs in London

Java Developer (London)

Hiring Organisation
Solirius Reply
Location
London, UK
Employment Type
Part-time
careers and progress in the direction they choose. \n The Role: This is an exciting opportunity to join our Software Engineering Practice as a Java Developer, to work alongside our team and help build out the capability. \n About you: Our team is our strongest asset, you will … terms of specific languages you should have commercial experience in some or all of the following; \n \n Substantial experience as a hands- on Java developer \n Java 7/8 to current \n Java, Enterprise Java Beans \n Spring framework or Jax-RS, Jax-WS, JPA \n Rest, Hibernate ...

Senior Vice President, Full-Stack Engineer Opportunities (London)

Hiring Organisation
BNY
Location
London, UK
Employment Type
Part-time
Kanban. \n Hands-on AI development using modern tools and IDEs (e.g., Windsurf) and familiarity with integrating AI into products. \n Strong expertise in Java (preferably Spring) and architectural patterns for scalable, observable, and testable systems. \n Proficiency in modern engineering practices including CI/CD (e.g., GitLab), automated testing ...

Software Engineer- III- iOS- JPM Personal Investing (London)

Hiring Organisation
J.P. Morgan
Location
London, UK
Employment Type
Part-time
Work with the Product team to understand user’s needs and follow an Agile SDLC to develop and deliver product features. Our stack is Java/Springboot with a bit of Kotlin, DynamoDB, Aurora/MySQL and AWS. \n Participate with the rest of the team in the process ...

Senior Palantir Engineer (London)

Hiring Organisation
Kainos
Location
London, UK
Employment Type
Part-time
user stories and user journeys. \n • Coaching and mentoring team members. \n MINIMUM (ESSENTIAL) REQUIREMENTS: \n • Strong software development experience in one of Java, Scala, or Python \n • Software development experience with data-processing platforms from vendors such as AWS, Azure, GCP, Databricks. \n • Experience of developing substantial components ...

Software Engineer (Uxbridge)

Hiring Organisation
Virgin Media
Location
Uxbridge, Greater London, UK
Employment Type
Part-time
engineering community, improving our ways of working and maintaining a high standard and quality of products we create. Our tech stack: ● Server-side: Java 21, Maven, Spring Boot, JUnit. ● Client-Side: Typescript, Next.js, React and various React ecosystem tools and libraries ● Infrastructure: AWS, Kubernetes, Terraform, Kafka, DynamoDB, PostgreSQL, Redis, ElasticSearch ...

Lead DevOps Engineer - AWS, Kubernetes, Terraform (London)

Hiring Organisation
J.P. Morgan
Location
London, UK
Employment Type
Part-time
related technical field \n Linux: understands the OS architecture, fluent user of the command line, can fluently speak either Perl or Python, UNIX scripting, Java \n Cloud native: skilled in building and running applications that fully leverages cloud computing, using technologies like microservices, containers, and dynamic orchestration \n CI/ ...

Sr Engineering Team Lead - Database - Platform (London)

Hiring Organisation
Wise
Location
London, UK
Employment Type
Part-time
business\n \n\n What do you need? \n \n \nYou have a solid background in development, ideally within the Python or Java ecosystems, upholding high coding standards and a thorough understanding of system design and engineering principles.\n \n \nYou have expertise in leveraging cloud services from providers like ...

Applied AI ML Lead - Vice President - Accelerator Business (London)

Hiring Organisation
J.P. Morgan
Location
London, UK
Employment Type
Part-time
principles and best practices \n Guide colleagues on coding practices, design principles, and implementation patterns for high-quality, maintainable solutions \n Demonstrate proficiency in Java and/or Python programming languages \n Deploy production systems to GenAI platforms such as Google VertexAI, OpenAI, AWS Bedrock, or LangChain \n \nUtilize cloud ...

Senior Lead Software Engineer - Cloud Platform Engineering (London)

Hiring Organisation
J.P. Morgan
Location
London, UK
Employment Type
Part-time
application development, testing, and operational stability, including leading technical delivery in complex environments. - Advanced in one or more programming language(s), such as Go, Java or Kotlin. - Advanced understanding of agile methodologies, CI/CD, application resiliency, and security, including setting standards and driving adoption across teams. - Demonstrated proficiency ...

Lead Software Engineer (Hybrid) (London)

Hiring Organisation
8th Light
Location
London, UK
Employment Type
Part-time
clients you’ve served \n Written production-quality code using a variety of languages and frameworks, including but not limited to: Python, Java, JavaScript, TypeScript, React, Ruby, Scala, R, SQL, and Go \n Leveraged AI-assistive development tools for tasks like scaffolding, refactoring, debugging, test generation, and documentation \n Experience ...

Java Engineer with AI (London)

Hiring Organisation
Solirius Reply
Location
London, UK
Employment Type
Part-time
translating them into effective outcomes. You understand and align with Solirius Reply Values \n The Role: \n We are seeking a highly skilled Java Engineer with AI expertise to design, develop, and deploy intelligent, scalable applications. You will work at the intersection of backend engineering and artificial intelligence, building systems … performance optimization, and applying AI technologies to real-world business challenges. \n Requirements \n Key Responsibilities \n \n Design, develop, and maintain high-performance Java-based applications \n Integrate AI/ML models into production-grade backend systems \n Build RESTful APIs and microservices using modern Java frameworks \n Collaborate ...

Sr Lead Software Engineer COMMODITIES UK (London)

Hiring Organisation
J.P. Morgan
Location
London, UK
Employment Type
Part-time
application development, testing, and operational stability \n Experience in performant, large-scale system development in an object-oriented or functional language such as Python, Java, etc. \n Advanced knowledge of software applications and technical processes with considerable in-depth knowledge in one or more technical disciplines (e.g., cloud, object-oriented ...

Lead Software Engineer - Cloud Platform Engineering (London)

Hiring Organisation
J.P. Morgan
Location
London, UK
Employment Type
Part-time
practical experience delivering system design, application development, testing, and operational stability \n Advanced in one or more programming language(s), such as Go, Java or Kotlin \n Advanced understanding of agile methodologies, CI/CD, application resiliency, and security \n Demonstrated proficiency in software applications and processes within a technical ...

Solution Architect (London)

Hiring Organisation
Solirius Reply
Location
London, UK
Employment Type
Part-time
Advanced knowledge of cloud platforms: Microsoft 365, Azure, AWS, and Google Cloud Platform (GCP). Hands-on experience with programming languages such as Java, .NET, Python, or equivalent. Microservices architecture and containerization. RESTful API design and management. Agile and DevOps delivery methodologies. Expertise in data architecture and design (conceptual, logical ...

Software Engineer III- Global Banking Platform (London)

Hiring Organisation
J.P. Morgan
Location
London, UK
Employment Type
Part-time
design, application development, testing, and operational stability \n \n\n \n \nProficient in at least one major programming language: Go, Python and/or Java \n \n\n \n \nExperience with Kubernetes and Terraform \n \n\n \n \nExperience in developing automated tests as an integral part of the development ...

AI-Forward Software Engineer -- AI Transformation Office, Senior Vice President (London)

Hiring Organisation
BNY
Location
London, UK
Employment Type
Part-time
tools such as Claude Code, Windsurf, Cursor, or GitHub Copilot - this is a baseline requirement, not a differentiator\n \n \nPython and/or Java for backend service development\n \n \nLLM integration experience - OpenAI, Anthropic, or equivalent APIs\n \n \nMCP, REST APIs, Microservices Architecture\n \n \nCloud platforms ...

Lead Software Engineer (London)

Hiring Organisation
J.P. Morgan
Location
London, UK
Employment Type
Part-time
availability, high-throughput environment. \n\n Required qualifications, capabilities and skills \n \n Seasoned developer experienced in high level languages such as: Python, C++, Java, or JavaScript. \n Proactive and independent - able to take ownership of deliverables and solve real world business problems in a client-facing production environment. ...

Senior Associate, Full-Stack Engineer Opportunities (London)

Hiring Organisation
BNY
Location
London, UK
Employment Type
Part-time
Hands-on AI development using modern tools and IDEs (e.g., Windsurf). \n Solid understanding of programming concepts and microservices \n Proficiency in Java with Spring. \n Experience with CI/CD, automated testing (JUnit/Spock), and containers (Docker). \n Familiarity with microservices, observability/telemetry (e.g., Splunk ...

Senior Software Engineer I - Regional Expansion (London)

Hiring Organisation
Wise
Location
London, UK
Employment Type
Part-time
build a world class global finance product that impacts millions of customer\n \n\n Nice to have: \n \n \nYou’ve worked with Java, preferably with Spring Boot\n \n \nExperience with financial systems integrations\n \n\n Interested? Find out more: \n \n How we work – a practical ...

Senior Lead Infrastructure Engineer - Market Data - AWS / Snowflake (London)

Hiring Organisation
J.P. Morgan
Location
London, UK
Employment Type
Part-time
before implementation, escalating when uncertain and ensuring outcomes align to resiliency, security, and auditability expectations \n Network architecture and protocols \n Programming languages (e.g. Java, Python, C++) \n Market Data/messaging products (e.g. TREP, Vela, RedLine, Bloomberg BPIPE, Solace, AMPS, etc.) \n Market Data vendors and their key products ...

Lead Software Engineer - FIXED INCOME UK (London)

Hiring Organisation
J.P. Morgan
Location
London, UK
Employment Type
Part-time
software applications and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.) \n Proficient in full stack development skill Java 21, REACT or any other frameworks , building into Public Cloud and CD/CD strategies. \n \nPractical experience using AI-assisted development tools to improve ...

Senior Lead Software Engineer- Back-end Engineer - Chase UK (London)

Hiring Organisation
J.P. Morgan
Location
London, UK
Employment Type
Part-time
applied experience \n Recent hands-on professional experience as a back-end software engineer \n Experience in coding in a recent version of the Java programming language \n Experience in designing and implementing effective tests (unit, component, integration, end-to-end, performance, etc.) \n Excellent written and verbal communication skills ...

Senior Development Lead - Guidewire Claim Centre (London)

Hiring Organisation
QBE Insurance
Location
London, UK
Employment Type
Part-time
direction \n \n\n \n \nProven hands‐on experience designing and delivering Guidewire ClaimCenter solutions \n \n\n \n \nStrong knowledge of Gosu and Java \n \n\n \n \nIntegration patterns (web services, messaging, batch processes, plugins) \n \n\n \n \nStrong experience working in Agile delivery environments ...

Senior Software Engineer I - Receive (London)

Hiring Organisation
Wise
Location
London, UK
Employment Type
Part-time
reliability.\n \n \nStrong product-oriented mindset, with end-to-enpd ownership of features and close collaboration across teams.\n \n \nProficiency in Java (preferred) or solid experience with similar backend programming languages.\n \n \nFamiliarity with messaging systems such as Kafka or RabbitMQ, and strong knowledge of relational databases ...

Senior FIX Onboarding Specialist - Vice President (London)

Hiring Organisation
J.P. Morgan
Location
London, UK
Employment Type
Part-time
design and functionality problems independently with little to no oversight \n Practical cloud native experience \n Experience with scripting or programming languages (e.g., Python, Java) for automation and testing. \n\n Preferred qualifications, capabilities, and skills \n â¢ââCertification in FIX protocol or related areas is a plus. \n ABOUT ...