151 to 175 of 378 Java Jobs in London

Java Developer - (Java/Kafka/MQ Series)

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £525 per day + Umbrella rate (inc costs)
urgently seeking a highly skilled SC Cleared Java Backend Developer to join a critical project with a high-profile Government Client . This is a key technical role focusing on a vital component of the client's technology landscape: migrating a legacy message queueing system to a modern, scalable platform. … existing IBM MQ Series with Kafka across the platform. We are therefore looking for a rare and specific combination of skills: Deep expertise in Java (Backend Development). Strong, hands-on experience with Kafka (implementation, configuration, and integration). Essential knowledge of IBM MQ Series (or similar legacy messaging systems ...

Senior Java Spring Boot Software Engineer 12 month FTC

Hiring Organisation
Zenobē
Location
London Area, United Kingdom
trucks. Our rapidly growing company is looking for highly talented and motivated people to join us. THE OPPORTUNITY We are seeking a Senior Java Spring Boot Software Engineer to join our team and proactively drive the delivery of our software solutions. You will own and execute on specific features … deliver technical solutions that maintain a high standard of quality and efficiency. You will be responsible for upskilling and engaging with other engineers in Java and Spring Boot, and weigh in heavily on defining and architecting a greenfield microservices project in AWS. This position is offered as a 12-month ...

Java Software Engineer

Hiring Organisation
PSD Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 Annual
Java Software Engineer Java, J2EE, Spring, React, Node, SpringBoot, Hibernate, RabbitMQ, SQL We are seeking a Java Software Engineer with at least 5 years experience of working in a SaaS production environment. Our client is a leading provider of investment and wealth management solutions where you will joining a team ...

Senior Java Developer

Hiring Organisation
Stott and May
Location
London, England, United Kingdom
Description Senior Java Developer Location: London - Hybrid (2 days per week on-site) Day Rate: Market Rate (Inside IR35) Duration : 6 Months Role Overview We are seeking a highly skilled Senior Java Developer to join a key digital transformation initiative for one of the UK’s leading retailers. This role … driven architectures, and cloud platforms—to build high-performance systems in a fast-paced environment. Key Responsibilities Develop, enhance, and maintain backend services using Java, Spring Boot, and Spring Security. Design and implement microservices and event-driven architectures using Confluent Kafka. Build, maintain, and optimize CI/CD pipelines using ...

Java Full Stack Engineer (DV Cleared)

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£55,000
Java Full Stack Engineer looking to work on cutting-edge, high-impact digital solutions? Do you want to use your expertise to help shape major transformation programmes across government and secure environments? If you're driven by innovation, value collaboration, and enjoy solving complex technical challenges, we'd love … hear from you. Java Full Stack Engineer (DV Cleared) Consultant Level - Digital Excellence Salary: £46,330-£55,000 Base Locations: London, Manchester, Newcastle or Glasgow Organisation : Global leading IT Consulting Business (Applicants must hold active DV clearance) Are you a Java Full Stack Engineer looking to work on cutting-edge ...

Solutions Architect

Hiring Organisation
Trust In Soda
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £748 per day
best practices. Experience with chart compilation tools or GIS platforms used for hydrographic data processing. Proficiency in at least one relevant legacy language (e.g., Java, C#, or .NET 8.0) or database system (e.g., Oracle or SQL Server). ...

Senior Software Engineer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Deep experience working with and scaling Bazel for large, monorepo-based codebases. Strong passion for developer tooling and productivity. Fluency in Java, Python, Starlark, and TypeScript . Excellent problem-solving skills for complex, cross-cutting systems. Your work in the Platform Developer Experience (PDX) R&D Studio will directly impact ...

Technical Support - Salesforce Administration Chinese Speaker

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £40,000 per annum
technical support Strong hands-on experience with AWS or Azure 2+ years supporting/administering Salesforce (especially Marketing Cloud) is mandatory Basic knowledge of Java, hands on with Linux and Terraform experience Ability to write scripts in Python Experience with monitoring tools (e.g., Grafana) Understanding of full-stack web/ ...

Mobile Engineer

Hiring Organisation
Paritas Recruitment
Location
London Area, United Kingdom
leading and supporting software development Scrum teams in a matrix structure, introducing and executing technical strategies Strong skills in developing Mobile applications using Kotlin, Java and Jetpack Compose Significant and demonstrable experience of test-driven development (TDD) and using automated test frameworks, mocking and stubbing and unit testing tools ...

Investment Banking - Low Latency C++ Developer - financial markets/Linux/scripting/low latency/TCP/I

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
part of the low latency development team. The team provides industry leading low-latency trading services for our clients, utilizing FPGA, C++ and Java technologies. The candidate will be focusing on the C++ components. The ideal candidate: Is motivated by working in a high performing team, Is flexible to change ...

Head of Operations - Algo Trading

Hiring Organisation
Chapman Tate Associates
Location
London Area, United Kingdom
predictive analytics , and trading platforms (IB, MetaQuotes, B2B or C-Trader). Tech Stack: Linux-first environment on AWS . Core languages: C++ , Java , Python . Large-scale data lakes and HTML5 front ends. Why Join: Shape the firm’s operational strategy with real ownership and autonomy. High-impact role ...

Data Architect (Insurance Domain)

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Databricks CICD Knowledge of DevOps practices for data pipelines Certifications: Azure Data Engineer or Azure Solutions Architect certifications Skills Mandatory Skills: Python for DATA,Java,Python,Scala,Snowflake,Azure BLOB,Azure Data Factory, Azure Functions, Azure SQL, Azure Synapse Analytics, AZURE DATA LAKE,ANSI-SQL,Databricks,HDInsight ...

Data Architect Insurance Domain

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £100,000 per annum
Databricks CICD Knowledge of DevOps practices for data pipelines Certifications: Azure Data Engineer or Azure Solutions Architect certifications Skills Mandatory Skills: Python for DATA,Java,Python,Scala,Snowflake,Azure BLOB,Azure Data Factory, Azure Functions, Azure SQL, Azure Synapse Analytics, AZURE DATA LAKE,ANSI-SQL,Databricks,HDInsight ...

Senior Full Stack Systems Developer

Hiring Organisation
Penguin Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £85,000 per annum
Lifecycle, including front-end and back-end aspects Experience of working with software systems/programmes specifically within an environmental setting Demonstrable experience with Java Middleware Outstanding knowledge of Performance and Security in Enterprise Systems Experience of working with networks: LAN & WAN/Internet and Security Prior experience of Database ...

Senior Full Stack Systems Developer

Hiring Organisation
Penguin Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £85000/annum
overseeing the Full Software System Lifecycle of a product, demonstrating your commitment to continued development and improvement Demonstrable experience in the use of Java Middleware, API, Docker, and MQ systems Good working knowledge of performance and security in Enterprise Systems Experience of working with networks: LAN & WAN/Internet ...

Go Developer/SRE

Hiring Organisation
Square One Resources
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 690 Daily
Design & Develop: Architect, develop, and maintain robust, scalable software solutions for managing GitHub Enterprise resources. This will primarily involve writing code (Go, Python or Java) that interacts extensively with GitHub's APIs. GitHub Organization Orchestration: Build tools and services to automate the creation, configuration, and policy enforcement across multiple GitHub ...

Reliability & Operations Engineer

Hiring Organisation
Heart Mind Talent
Location
London Area, United Kingdom
reliability/SRE, support engineering, or data operations. Comfortable with a scripting language (JavaScript or Python); familiarity with a strongly-typed language (Rust/Java/C/C++) is a plus. Hands-on debugging skills: reading logs, calling API endpoints, basic troubleshooting on Linux/CLI and with HTTP ...

Senior Security Engineer, AWS Security

Hiring Organisation
Amazon Web Services (AWS)
Location
London, England, United Kingdom
experience using big data analytics and orchestration to address security challenges. Ability to develop code with at least one modern language such as Java, Go, TypeScript, Python, Rust and security code review Demonstrated technical leadership in security (e.g., tech lead, developed security architecture for a product or system, led technical ...

Cloud Solution Architect - Azure

Hiring Organisation
Microsoft
Location
London, England, United Kingdom
Authentication/OAuth Kubernetes Services/Containers API Management, API Connections Logic Apps/Function Apps Notification Hubs C#, .NET Framework/.NET Core, Java, Python or related Demonstrate a strong ability to develop strategic ongoing customer relationships to gain the trust and respect of customers. Must have outstanding customer ...

Java Software Developer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Sanderson are working closely with a SME based in the London who are looking to grow their Java Developer capability. The company are looking to modernise how organisations manage and derive data. They are fast growing and looking for dynamics people to help them grow the business and capability. Skills … required for the role: Strong experience in Java software engineering. Experience with Spring Boot, REST APIs, and microservice architectures Knowledge of Docker and Kubernetes for containerisation Exposure to cloud platforms such as AWS This role will require eligibility to be clearable to SC level. If you're interested ...

Senior Java Software Developer - FTC [UK]

Hiring Organisation
Spyrosoft Ltd
Location
West London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
Essential Skills: You will have: Excellent communicator and ability to work collaboratively in a team environment. Expertise in a mainstream object-oriented programming language: Java and Python are a must have. Experience in building cloud-native, resilient, scalable systems. Test-driven development practices (TDD, BDD, etc.). Developing using … Programming experience Expertise in developing for non-functional concerns: integration with monitoring and alerting tools, security tools, and practices GitHub Tools/Technologies AWS Java Python Pair Programming Experience A degree in Computer Science, Software Engineering, or a related field or similar work based experience. Proven experience as a Senior ...

Senior Java Engineer

Hiring Organisation
My Finance Club
Location
London Area, United Kingdom
Senior Java Engineer London Salary: £70,000 - 80,000 Bonus: TBC This is a hybrid role that requires 3 days a week office attendance About the Company An exciting opportunity has arisen for a Senior Java Engineer to be part of a highly innovative forward thinking online challenger bank start … bespoke best-of-breed banking technology, a single platform delivering loan issue, card issue and recovery. We’re looking for an exceptional Senior Java Engineer who will work closely with the Java Team Lead & CTO as we scale up and modernise our business processes and tech stack. The role includes ...

Senior Java Consultant

Hiring Organisation
Stott and May
Location
London Area, United Kingdom
Senior Java Developer Location: London - Hybrid (2 days per week on-site) Day Rate: Market Rate (Inside IR35) Duration : 6 Months Role Overview We are seeking a highly skilled Senior Java Developer to join a key digital transformation initiative for one of the UK’s leading retailers. This role plays … driven architectures, and cloud platforms—to build high-performance systems in a fast-paced environment. Key Responsibilities Develop, enhance, and maintain backend services using Java, Spring Boot, and Spring Security. Design and implement microservices and event-driven architectures using Confluent Kafka. Build, maintain, and optimize CI/CD pipelines using ...

Senior Backend Developer

Hiring Organisation
Vallum Associates Limited
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 Daily
Responsibilities AEM Development: Design, develop, and maintain AEM components, templates, workflows, and OSGi services using Java and the Sling framework. Front-End Integration: Collaborate with UX/UI teams to integrate front-end code (HTML, CSS, JavaScript/React/Angular) into AEM for a responsive user experience click apply ...

Software Engineer

Hiring Organisation
Paritas Recruitment
Location
London Area, United Kingdom
seeking a number of Java developers who have experience of developing applications that serve and communicate with large customer base for a leading bank You will need experience of security, availability, performance and observability within the context of a microservice based architecture and whilst operating at a this large scale. ...