151 to 175 of 419 Java Jobs in London

Test Engineer

Hiring Organisation
IXICO
Location
City of London, London, United Kingdom
processes and ways of working. Desirable Proven experience of executing software testing with minimal supervision. Knowledge in scripting or programming languages (e.g. Bash, Python, Java). Working with Linux command line tools. Identifying tasks, dependencies and risks during backlog grooming. Providing reasonable test estimates. Knowledge of clinical trial and image ...

Staff Engineer - Permanent role (Java 17)

Hiring Organisation
Nicoll Curtin Technology
Location
London, UK
Employment Type
Full-time
Description Staff Engineer - Java 17 London, UK (Hybrid) Permanent Up to £85,000 + benefits About the Role This is a chance to join a global technology leader, working alongside one of the UK's most recognisable retail brand, on a large-scale transformation of its digital and engineering ecosystem. … technical authority, combining deep hands-on delivery with architecture ownership and engineering leadership. Build and evolve Back End services using Java 17 and Spring Boot Design and implement event-driven architectures using Kafka, including schema evolution, idempotent consumers, and resilient messaging patterns Contribute to system design and architectural decisions across ...

Full Stack Java Developer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£40,000 per annum, Negotiable, Pro-rata, Inc benefits
About The Role FDM is a global business and technology consultancy seeking a Full Stack Java Developer to work for our client within the Fintech sector. This is initially a 6 month contract with the potential to extend and will be a hybrid role that will be based in London. … client is seeking to onboard a Java engineer with predominantly full stack experience and a desire to join an established agile squad, to deliver new requirements and fixes for client projects. This individual will take on complex stories required for implementing the international Processing Engine (IPE) application to meet client ...

Backend Developer

Hiring Organisation
scrumconnect ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
delivery, and scalable digital services that genuinely make a difference. Role Overview We are seeking an experienced Senior Backend Developer with strong expertise in Java and Spring Boot to design, develop, and maintain scalable Back End systems. The ideal candidate combines solid software engineering fundamentals with the ability to effectively … coding assistants to accelerate delivery, improve code quality, and enhance engineering productivity. Key Responsibilities Design, develop, and maintain scalable Back End services using Java (8/11/17+) and Spring Boot Build, optimize, and maintain RESTful APIs and microservices-based applications Collaborate with Front End, DevOps, product ...

Full Stack Java Developer

Hiring Organisation
FDM Group
Location
London, UK
Employment Type
Full-time
Description About The Role FDM is a global business and technology consultancy seeking a Full Stack Java Developer to work for our client within the Fintech sector. This is initially a 6 month contract with the potential to extend and will be a hybrid role that will be based … London. Our client is seeking to onboard a Java engineer with predominantly full stack experience and a desire to join an established agile squad, to deliver new requirements and fixes for client projects. This individual will take on complex stories required for implementing the international Processing Engine (IPE) application ...

Java & React

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
data processing with highly responsive front-end interfaces, all hosted in a modern cloud environment. What You Will Do Build scalable applications using Core Java, multithreading, and ReactJS to handle heavy datasets efficiently. Engineer cloud-native solutions by designing, maintaining, and deploying applications leveraging Kubernetes and Amazon AWS. Design … business problems. What You Bring to the Table 5 to 7 years of experience in full-stack software engineering. Deep backend expertise in Core Java, specifically with multithreading, complex algorithms, and data structures. Frontend proficiency building responsive UIs with ReactJS, JavaScript/TypeScript, and state management tools (Redux or Context ...

Backend Software Engineer Java Kafka - Tech Consultancy

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Backend Software Engineer/Developer (Java Kafka) 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 … days a week in the London, City office (or at client sites), you'll join a friendly, diverse, upbeat team. About you : You have Java development skills including multi-threading and concurrency You have experience with Spring Boot and microservices environments You have a good knowledge of REST APIs ...

Technical Lead

Hiring Organisation
XCEEDANCE LIMITED
Location
London Area, United Kingdom
Technical Lead – Java (AI Enabled) Engineering · UK About Xceedance Xceedance is a global provider of strategic consulting, managed services, and technology solutions to the insurance industry. We help insurers, reinsurers, brokers, and MGAs modernize operations, enhance underwriting and claims capabilities, and accelerate digital transformation using data, analytics, and advanced platforms. … seeking an accomplished Technical Lead with deep Java expertise and demonstrated experience integrating AI/ML capabilities into production systems. This role combines hands-on engineering with technical leadership — you will own the architecture and delivery of cloud-native microservices on our BPA (Beyond Policy Administration) platform, lead a team ...

Data Engineer - London, UK

Hiring Organisation
Randstad Technologies
Location
London, UK
Employment Type
Full-time
pipelines for large-scale transactional or financial data. Fluency in Scala (Scio/Dataflow) and comfort with cloud-native development on GCP. (Experience with Java, Python, and BigQuery is a plus). Strong communication skills to collaborate with Finance, Product, and Engineering teams to ship auditable, reliable systems that meet ...

Data Engineer - London, UK

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £757 per day
large-scale transactional or financial data. Fluency in Scala (Scio/Dataflow) and comfort with cloud-native development on GCP . (Experience with Java, Python , and BigQuery is a plus). Strong communication skills to collaborate with Finance, Product, and Engineering teams to ship auditable, reliable systems that meet regulatory ...

Senior Cloud Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Requirements Proven experience as a Cloud Architect working in the finance or tech space Strong experience with AWS Strong technical background, ideally with Python, Java, or C# Extensive experience working with ETL pipelines and large-scale data Proficiency in SQL What’s on Offer 12-month rolling contract with ...

P&L Python Developer

Hiring Organisation
Apex Systems
Location
London Area, United Kingdom
unblock current bandwidth constraints, and ensure continued delivery momentum within a fixed multi-year funding envelope. • 5+ years of strong Python development experience (optional Java) with demonstrable experience of having designed and developed complex server-side components. • Experience working in Financial Services specifically within markets in front office derivatives risk ...

Real-Time Architect

Hiring Organisation
Digisourced
Location
City of London, London, United Kingdom
architect ures• Driving scalability, resilience, fault tolerance and latency optimisa tion• Defining architecture standards and supporting engineering teams across deli very Key S kills✔ Java, C++ and/or P ython✔ Event-Driven Architec tures✔ Kafka, Pulsar or Azure Event Hubs✔ Real-Time Data Streaming & Anal ytics✔ Distributed Systems ...

Integration Engineer

Hiring Organisation
17918
Location
London, United Kingdom
integration Strong distributed systems and troubleshooting experience Experience in real-time/high-throughput environments Strong SQL and backend/scripting skills (C#, Python, Java, C++) Customer-facing delivery experience Capital markets experience is a bonus This is a high-impact integration role focused on ownership, solution design, and client ...

Senior Software Engineer – Data Visualisation & Graphics | London

Hiring Organisation
techstack Recruitment
Location
London Area, United Kingdom
algorithms, data structures, and software architecture Experience building complex software products rather than purely application-layer development Exposure to languages such as C++, Java, C#, Rust, Go, or similar Understanding of performance optimisation and rendering trade-offs Appreciation of the mathematical concepts underpinning data visualisation and graphics Passion for engineering ...

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
East London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
Ilford, Essex, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
Uxbridge, Middlesex, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
Barnet, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
North West London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...

Founding Engineer / Technical Lead

Hiring Organisation
Coburg Banks Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
telematics, automotive, fleet, or transport technology Geospatial systems and location intelligence Technical Environment Experience across several of the following is valuable: Python, TypeScript, Go, Java, or similar REST APIs and distributed architectures AWS and cloud infrastructure PostgreSQL and data-intensive systems Docker, CI/CD, observability, and reliability engineering Third ...

Java Technical Lead

Hiring Organisation
Adecco
Location
Wembley, London, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £85,000 per annum
Java Technical Lead - Modernisation & Cloud Engineering Wembley, London (5 days on-site) Up to £85,000 per annum The Opportunity We're partnering with a well-established, multinational organisation embarking on a major transformation- rebuilding its digital engine from the ground up . They are looking for a Modernisation Engineering … Lead who breathes engineering excellence . If you're a 10+ year Java/Spring Boot expert who is tired of bloated, unmaintainable systems and wants the authority to "fix it properly" , this is your opportunity to make a lasting impact. You will work directly with the Head of Architecture ...

Quantitative Trading & Research - Rates - Quantitative Developer - Vice President

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
continuous improvement Document designs, interfaces and operating procedures to support transparency and knowledge sharing Required Qualifications, Capabilities, and Skills Proficiency in programming with Java, C++ or another object‐oriented language Experience performing data analysis in Python, including proficiency with data science libraries such as NumPy and pandas, and visualization tools ...

Senior Solutions Engineer - Qatar & S.Africa Fly-in London, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
technologies, including hands‐off expertise with sophisticated proofs‐of‐concept and public cloud platform(s). Coding expertise in a core programming language (Python, Java, Scala). Foundational understanding of Apache Spark architecture is preferable; hands‐on skills will be advantageous. Key Notes for the role: Location for the role ...