151 to 175 of 340 Java Jobs in London

scale. Who You Are Experienced Software Engineer, specialising in Android development, and are open to working across different platforms. You have experience in designing and building distributed services in Java/Kotlin. You are familiar with agile practices, testing methodologies, and CI/CD. You are comfortable working with BQ, data analysis, and SQL queries in order to make data More ❯

deliver end-to-end solutions. Continuously improve systems, processes, and tooling — from testing and observability to introducing new technologies and AI-driven enhancements. What you bring Strong experience with Java , Spring Boot, and API development in enterprise-scale environments. Hands-on knowledge of SQL and NoSQL databases, asynchronous processing, and cloud-native systems. Background in continuous delivery, testing methodologies, and More ❯

one or more of the following technologies: HTML/CSS/Javascript/Node/Typescript React Native/Redux Native development on iOS and/or Android (Swift, Java) Figma Netlify Python Degree in Computer Science, similar technical field of study or equivalent practical experience Interest and ability to learn other coding languages as needed You love problem solving More ❯

in Azure. Ideally demonstrated through architecture design, delivery leadership, and complex problem resolution. Knowledge of at least one programming languages and its frameworks, including CI/CD tooling (Python, Java, .NET, TypeScript) Track record of building technical practices or capability teams within a consulting or Professional Services organization. Strong pre-sales experience, including bid support, solution shaping and presentation, and More ❯

masters student who is eligible for an internship role in 2026, with possibility to convert to full time after the internship. Have experience programming in Python, C/C++, Java and/or experience with statistical analysis, numerical programming, or machine learning in Python, Pandas, R. Are an ambitious entrepreneur with a track record of exceptional intellectual achievement. Are a More ❯

to support modelling and data analytics · As an AWS Solutions Architect or Lead, or similar · Strong Python experience or other object oriented or a functional programming language such as Java, Scala, C#, or R · Data warehousing – building operation ETL data pipelines across several sources, and constructing relation and dimensional data models · Built and maintained scalable infrastructure through IaC frameworks (e.g. More ❯

Drive the implementation of strategic enhancements that improve overall system performance and efficiency. Skills, Knowledge and Experience You have expert-level proficiency in a core programming language like Python, Java, or Scala, with an emphasis on AI/ML data processing. You possess experience with cloud data services and technologies, ideally within the GCP ecosystem (e.g., Dataflow, Pub/Sub More ❯

techniques such as infrastructure as code and CI/CD Experience with graph-based data workflows using Apache Airflow Programming skills in one or more of the following: Python, Java, Scala, R and experience in writing reusable/efficient code to automate analysis and data processes Experience in processing large volumes of data using parallelism techniques/tooling, such as More ❯

working across teams and organizations to collaboratively shape the technical roadmap. Hands-on experience with search and indexing technologies such as Elasticsearch, Lucene, or Solr, Strong skills in core Java and familiarity with advanced data structures and concurrency constructs, as well as newer language features like lambdas. You have a strong desire to optimize and leverage the most efficient algorithms More ❯

Job Title: ICON Payment Framework (IPF) Java Developer Location: Manchester Duration : 31/12/2025 Rate: £500 per day INSIDE IR35 We are looking for a highly skilled ICON Payment Framework (IPF) Developer with strong Java expertise to join our Payments Technology team. The successful candidate will play a key role in designing, developing, and maintaining payment processing solutions … internal security, risk, and regulatory frameworks (e.g., PSD2, ISO 20022). • Maintain technical documentation and contribute to knowledge sharing across teams. Required Skills & Experience: • 5+ years of experience in Java development within financial services. • 2+ years of hands-on experience with Finastra ICON Payment Framework (IPF). • Strong understanding of payment processing systems, messaging standards (SWIFT, ISO 20022, SEPA, CHAPS More ❯

At Mindera, we craft software with people we love. We're looking for a Principal Java Engineer with strong Retail experience who can join our crew Please note: This is a six month contract that sits outside IR35. You will be required to work in Paddington 3 days a week. What does the role involve? Lead technical deep dives and … knowledge sharing in the teams, anticipating challenges and proposing solutions Start influencing product and business decisions Hands-on Software Development: Write high-quality Java code using frameworks such as Spring Boot or Micronaut. Build robust services that support secure, high-volume payment transactions. Develop integrations with acquiring banks, payment gateways, and fraud detection tools. Cloud & DevOps Practices: Build and support … support. Continuous Improvement: Continuously improve platform reliability, performance, and cost-efficiency. Stay up-to-date with technology trends and proactively identify innovation opportunities. Requirements Proven experience as a Principal Java Engineer in backend-heavy environments in teams having multiple levels of engineering. Strong experience in Java 17+, ideally with experience in using Spring Boot or Micronaut. Kotlin experience is a More ❯

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. More ❯

Senior Software Development Engineer in Test (SDET) - Java, JBehave/Cucumber, Microservices Perm 3 days a week on-site in Farringdon, London Up to £75,000 per annum A rapidly growing fintech organisation is transforming access to finance for small and medium-sized businesses click apply for full job details More ❯

in Labware LIMS implementation, enhancements and support work. Knowledge of other LIMS applications like LabVantage LIMS, Sample manager, StarLIMS... Knowledge of Oracle, SQL Experience in programming language like Core Java, Java Script Preferred At least 10 years of experience in Pharma, R&D, Healthcare domain with implementation experience of Labware LIMS At least 10 years of experience in creating requirement More ❯

management experience Ability to influence cross-functional teams and senior stakeholders Extensive experience building complex Android applications System design and architecture capabilities Application accessibility Strong development experience using Kotlin, Java, and Jetpack Compose Experience with Agile methodologies, TDD, and CI/CD practices This is an excellent opportunity to help shape the future of digital banking and contribute to a More ❯

engineers. Strong focus on learning, experimentation, and AI/ML innovation. What You'll Bring Engineering leadership experience in fast-paced environments (3+ years). Strong full-stack skills (Java, TypeScript/JS, SQL/NoSQL). Hands-on experience with AWS, microservices, scalable systems. Ability to own architecture to execution to optimisation. Clear communicator and strong team mentor. What More ❯

we use) but you should be enthusiastic and willing to learn new things. Experience in any of the following would be an advantage: Software development in Go, C, C++, Java, Scala, C# or Swift. Kernel and device driver development for Windows, Linux, or Mac. Systems Analytics; Dynamic tracing and performance analysis tools such as Instruments, VTune, DTrace and eBPF. Observability More ❯

User Management Resource Management Application Management Proficient in Hawk – writing rulebases for infrastructure monitoring Administration experience with RV, RVRD Technical & Development Skills Proficiency in Linux commands Expertise in Core Java & J2EE design patterns Strong understanding of SOA , Web Services (WSDL, SOAP) OOAD, UML , RUP modeling expertise Extensive experience with XML technologies: XML, XSD, DTD, XSLT, XPath Database & Application Servers Experience More ❯

Fixed Income. Partner with trading and technology teams across London and Amsterdam to deliver cross-asset solutions. Support continuous improvement and automation across the trading workflow. Key Requirements Strong Java development experience, ideally within rates, swaps, or IRS. Proven background working with trading systems or front-office technology. Solid understanding of fixed income pricing, market data, and risk fundamentals. Minimum More ❯

new technologies and complex problems Play a vital part in building API-driven technology solutions that drive business forward The ideal candidate: Solid foundation in object-oriented programming with Java, ideally with Spring Boot or Micronaut Basic understanding of designing simple, service-oriented systems Confident, motivated, and eager to learn new technologies and deliver high-quality results How to Apply More ❯

Degree in Software Engineering, Computer Science, or a related field (Bachelor's minimum; advanced degree preferred) in Top US Colleges or Universities. Strong proficiency in languages like Python, JavaScript, Java, or C++, among other popular languages Experience with debugging, testing, and validating code Comfortable with technical writing and attention to detail Project Timeline Start Date: Mid to Late November Commitment More ❯

experience of overseeing the Full Software System Lifecycle of a product Experience of working with software systems/programmes within an environmental setting 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 and Security Prior experience of More ❯

experience of overseeing the Full Software System Lifecycle of a product Experience of working with software systems/programmes within an environmental setting 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 and Security Prior experience of More ❯

experience of overseeing the Full Software System Lifecycle of a product Experience of working with software systems/programmes within an environmental setting 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 and Security Prior experience of More ❯

experience of overseeing the Full Software System Lifecycle of a product Experience of working with software systems/programmes within an environmental setting 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 and Security Prior experience of More ❯