76 to 100 of 123 Java Jobs in Central London

Java Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
engineering practices and contribute to complex technical problem solvin g.Service-led architectur e: Support the design and implementation of distributed, service-oriented architectures using Java or Kotlin, ensuring reliability and maintainabilit y.Modern UI developmen t: Create intuitive and responsive user interfaces using React, improving how salespeople access insights and manage …/or Functional programming, and proven use of XP/agile practices including TDD, acceptance testing, pair programming, and continuous integrati on.Proficiency in Java or Kotlin, and familiarity with building modern web applications using Typescript and Rea ct.Experience applying iterative development to deliver high-value outcomes in complex domai ns.Exposure ...

Senior Backend Engineer (Java/.Net & Microservices)

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day Inside IR35
Senior Backend Engineer (.NET/Java Microservices) Contract: Inside IR35 Duration: 6 Months+ Hybrid - 2 days per week on site in London We're seeking a Senior Backend Engineer to design, build and enhance scalable backend services and APIs within a complex enterprise environment. You'll play a key role … delivering modern microservices while contributing to technical design and engineering best practice. Key Responsibilities Design and develop backend services using C#/.NET and Java (Spring Boot) . Build and support REST APIs and microservices. Contribute to architecture, technical design and system integration. Troubleshoot, optimise and support production systems. Collaborate ...

Solutions Architect

Hiring Organisation
XCEEDANCE LIMITED
Location
City of London, London, United Kingdom
software development experience of designing and coding on enterprise web-based systems. Experience on Objected Oriented Design, Data modelling skills using UML. Experience with Java 8+; J2EE and Gradle/Maven. Experience with Spring (Boot, Security) and other Java frameworks. Experience with BPM tools such as Camunda (preferred), jBPM, Activiti ...

Camunda Architect

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
solution architecture for enterprise workflow and automation initiative s.8–12 years of experience in architecture & developmen t.Strong in Camunda BPM, microservices, workflow orchestration, and Java framework s.Solid understanding of cloud (Azure/AWS/GCP), CI/CD, containerizatio n.Ability to design scalable, secure, high‐performance automation solution s. Oversee … integrating microservices, APIs, event-driven systems, and legacy syste ms.Strong expertise in Camunda Platform 8/7, BPMN 2.0, D MN.Hands‐on experience with Java/Spring Boot, REST APIs, Kafka, cloud-native microservic es.Strategically support cloud migration and modernization programs involving Camun da.Conduct POCs, evaluate tools, and propose scalable ...

Senior Data Software Engineer – Systematic Hedge Fund (London)

Hiring Organisation
Winston Fox
Location
City of London, London, United Kingdom
tick data. Consolidating legacy systems onto a next-generation cloud-native technology stack. Working closely with quantitative developers, researchers and portfolio managers. Supporting Java-based live data feed handlers. Requirements 5+ years working as a Software Engineer and/or Data Engineer. Strong expertise in Python, SQL and a good … Confident working with Linux and Docker. AWS experience preferred. An excellent communicator, ability to communicate clearly with technical and non-technical colleagues. Skills in Java and/or Kafka, Flink and Iceberg preferred. Cloud Data Warehousing experience preferred, especially using Snowflake. Financial experience – especially in relation to Buy Side, Electronic ...

Senior DevOps Engineer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
migration of D2C services to new infrastructure, including rollback planning, environment validation and post-migration sign-off Your Skills and Experience Core Java Skills - Good understanding of Java fundamentals including object-oriented programming, collections, exception handling and concurrency. Integration, API Development and Databases - Experience building and deploying event-driven … equivalent) and build tools such as Maven or Gradle Containerization and Orchestration - Practical experience with Docker and Kubernetes, including deploying and managing containerized Java services Monitoring and Observability - Experience with monitoring and alerting tooling such as Geneos, Grafana and Prometheus or equivalent, with an appreciation of what good operational visibility ...

Software Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£48000/annum
annum ***CANDIDATES MUST BE UK NATIONALS AND ELIGIBLE FOR SC CLEARANCE*** Role Overview We are seeking an experienced Application Developer with strong expertise in Java and Web Technologies to design, develop, and support enterprise-grade applications. The role involves working across the full software development lifecycle, building scalable solutions using … Java/JEE stack, and contributing to modern, secure, and high-performing systems. You will play a key role in developing clean, reusable code, supporting live services, and mentoring junior team members while following modern engineering standards and DevOps practices. Key Responsibilities Application Development & Engineering Design, develop, and maintain applications ...

Mid/Senior Backend Engineer (Java)

Hiring Organisation
We Love Alfa
Location
SW1A, City of Westminster, Greater London, United Kingdom
Employment Type
Permanent
/Senior Backend Engineer (Java) | Remote About Revolut People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products — including spending, saving, investing, exchanging, travelling, and more — help our 75+ million customers … keeps frameworks lean and focuses on what matters: clean, maintainable code, shipped fast with TDD, DDD, and continuous integration and delivery. Our stack includes Java 17/21, GCP, Kubernetes, Grafana, Prometheus, NewRelic, PostgreSQL, Redis, Spock, jOOQ, and Flyway. Up to shape what's next in finance ...

Full Stack Engineer

Hiring Organisation
Fimador
Location
City of London, London, United Kingdom
currently partnering with a global technology leader seeking a Full Stack Java Developer. You will be at the forefront of cutting-edge technology including AI, shaping the way millions of users experience seamless digital solutions. This is an opportunity to modernise and enhance industry-leading solutions, ensuring they remain reliable … scalable. As a Senior Java Developer, you will provide technical guidance and mentor a team of developers, fostering technical excellence and delivering high-quality software solutions. Working in an agile environment, you’ll collaborate with cross-functional teams to define, design, and implement innovative features while mentoring junior engineers . ...

Senior Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
Senior Backend Java Developer 📍 London (Hybrid – 3 Days Per Week Onsite) A financial technology company is seeking a Senior Backend Java Developer to join the team building a globally distributed electronic trading platform. The platform processes multiple billions of messages per day and supports mission-critical trading workflows for institutional … engineers, product teams and other stakeholders to deliver reliable, highly available software in a fast-moving environment. What They're Looking For Strong commercial Java development experience Experience building large, complex backend systems Strong understanding of data structures and algorithms Experience with multithreaded programming A passion for clean, maintainable code ...

Software Engineer (Systematic Hedge Fund)

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
Software Engineer – Java/Python London (On-site) This is a hands-on software engineering role within a systematic hedge fund where technology sits at the core of the business. The systems you build directly support trading, research, and core operations, and your work will have real, measurable impact. … join a well-established engineering team and work across a range of internal systems, primarily in Java, with exposure to Python and quantitative tooling. The role offers end-to-end ownership: taking requirements from idea through to production, working closely with engineers and business stakeholders to solve practical problems. ...

Camunda Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
process requirements into BPMN/DMN models .Design workflow components, service tasks, user tasks, and integration points .Develop and deploy Camunda-based microservices using Java/Spring Boot .Optimize workflow performance, reliability, and error-handling strategies .Coordinate with business analysts, developers, and QA teams .Ensure documentation, code reviews, and compliance … with standards .Hands‐on in Camunda BPM, BPMN/DMN modelling .Strong Java/Spring Boot development experience .Familiar with REST/SOAP integrations, messaging (Kafka/RabbitMQ) .Exposure to Docker, Kubernetes is a plus . ...

Principal Software Engineer

Hiring Organisation
Accenture
Location
City of London, London, United Kingdom
Locations: London (must be willing to travel to client sites throughout the UK on an ad hoc basis) Level: Manager Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance ...

DevOps Engineer

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £750/day £650-£750 Umbrella PAYE
Ansible. Strong knowledge of CI/CD pipelines , particularly GitLab CI/CD. Working knowledge of at least one object-oriented programming language (e.g., Java). Deploying and managing Java Spring applications using Maven. Core Competencies: Highly proactive and ability to take ownership Experience working in a fast-paced environment ...

Graduate / Junior Developer, Python, Linux, C#, Java - London

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £40,000 per annum
Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage … experiences that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about what should ...

Senior Software Engineer

Hiring Organisation
Burns Sheehan
Location
City of London, London, United Kingdom
Senior Full Stack Engineer – FinTech – London Based 🚀 💰Up to £140,000 plus benefits 🏡London based 💻Java, Spring Boot, Angular We’re partnered with a leading FinTech business who are now looking for a Senior Full Stack Engineer to join their team as they continue to build new products. The business … performing software solutions and supporting the mentoring of engineers. What will you be doing: Leading the design and development of full stack applications in Java, microservices architecture and modern front-end frameworks Architect solutions within a Spring Boot microservices environment using test-driven practices Be part of the build ...

Engineering Manager FinTech

Hiring Organisation
Run-Time Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
software consistently. Candidate Requirements: Engineering Leadership Experience Proven track record managing and developing engineering teams (typically 515 engineers). Strong Technical Background Experience with (Java, C#.Net, Python), microservices, cloud platforms (AWS/GCP/Azure), and modern backend languages. FinTech or Regulated Industry Experience Understanding of payments, trading, banking … Responsibilities: Proven Engineering Leadership Experience leading multiple teams or managing managers in high-growth tech or fintech environments. Deep Technical Background Strong understanding of (Java, Python or .NET), microservices, cloud infrastructure (AWS/GCP/Azure), and modern backend stacks. FinTech Expertise Experience with payments, banking, trading, or regulated financial ...

Remote Senior Software Engineer

Hiring Organisation
Turing
Location
Central London / West End, London, United Kingdom
making corrections — with a primary focus on Python across backend services, data pipelines, and ML infrastructure, alongside JavaScript (including ReactJS), C/C++, Java, Rust, and Go. You will evaluate and refine AI-generated code for efficiency, scalability, and reliability, and work with cross-functional teams to enhance enterprise-level … training initiatives by curating code examples, building solutions, and correcting code — primarily in Python, with additional work in JavaScript (including ReactJS), C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code to ensure that it is efficient, scalable, and reliable. Collaborate with cross-functional teams to enhance ...

Back-end Java Developer - Investment Management Firm

Hiring Organisation
Saragossa
Location
City of London, London, United Kingdom
strategic one. That means your work carries real weight, and the decisions you make matter to the business. You will be working in modern Java, using current versions and building things the right way. AWS sits at the heart of the infrastructure, so you will be working with cloud-native … ticket or a sprint, but of the product, the quality, and the outcome. To be the right fit, you are strong in Java, comfortable with AWS and have a genuine interest in AI. This suits someone who has moved beyond the early stages of their career and is ready ...

Remote Software Engineer

Hiring Organisation
Turing
Location
Central London / West End, London, United Kingdom
models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go; evaluating and refining AI-generated code for efficiency, scalability, and reliability; and working with cross-functional teams to enhance enterprise-level … Like? Working on AI model training initiatives by curating code examples, building solutions, and correcting code in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code to ensure that it is efficient, scalable, and reliable. Collaborate with cross-functional teams to enhance ...

Remote Senior JavaScript/React Engineer

Hiring Organisation
Turing
Location
City of London, London, United Kingdom
across the full stack — in Python for backend and ML workflows, and JavaScript (React, Node.js) for frontend and API layers, alongside C/C++, Java, Rust, and Go. You will evaluate and refine AI-generated code for efficiency, scalability, and reliability, and work with cross-functional teams to enhance enterprise … initiatives by curating code examples, building solutions, and correcting code across both Python and JavaScript (React, Node.js), with additional work in C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code across backend and frontend contexts to ensure that it is efficient, scalable, and reliable. Collaborate with ...

Remote Senior Python Engineer

Hiring Organisation
Turing
Location
Central London / West End, London, United Kingdom
across the full stack — in Python for backend and ML workflows, and JavaScript (React, Node.js) for frontend and API layers, alongside C/C++, Java, Rust, and Go. You will evaluate and refine AI-generated code for efficiency, scalability, and reliability, and work with cross-functional teams to enhance enterprise … initiatives by curating code examples, building solutions, and correcting code across both Python and JavaScript (React, Node.js), with additional work in C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code across backend and frontend contexts to ensure that it is efficient, scalable, and reliable. Collaborate with ...

Remote Software Engineer ($300/hr.)

Hiring Organisation
Turing
Location
City of London, London, United Kingdom
making corrections — with a primary focus on Python across backend services, data pipelines, and ML infrastructure, alongside JavaScript (including ReactJS), C/C++, Java, Rust, and Go. You will evaluate and refine AI-generated code for efficiency, scalability, and reliability, and work with cross-functional teams to enhance enterprise-level … training initiatives by curating code examples, building solutions, and correcting code — primarily in Python, with additional work in JavaScript (including ReactJS), C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code to ensure that it is efficient, scalable, and reliable. Collaborate with cross-functional teams to enhance ...

Remote Senior Python Engineer

Hiring Organisation
Turing
Location
City of London, London, United Kingdom
across the full stack — in Python for backend and ML workflows, and JavaScript (React, Node.js) for frontend and API layers, alongside C/C++, Java, Rust, and Go. You will evaluate and refine AI-generated code for efficiency, scalability, and reliability, and work with cross-functional teams to enhance enterprise … initiatives by curating code examples, building solutions, and correcting code across both Python and JavaScript (React, Node.js), with additional work in C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code across backend and frontend contexts to ensure that it is efficient, scalable, and reliable. Collaborate with ...

Remote Senior Backend Engineer (Python/FastAPI)

Hiring Organisation
Turing
Location
City of London, London, United Kingdom
across the full stack — in Python for backend and ML workflows, and JavaScript (React, Node.js) for frontend and API layers, alongside C/C++, Java, Rust, and Go. You will evaluate and refine AI-generated code for efficiency, scalability, and reliability, and work with cross-functional teams to enhance enterprise … initiatives by curating code examples, building solutions, and correcting code across both Python and JavaScript (React, Node.js), with additional work in C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code across backend and frontend contexts to ensure that it is efficient, scalable, and reliable. Collaborate with ...