76 to 100 of 267 Java Jobs in London

following tools and technologies: Data Visualization: Tableau, Power BI, QlikView, Looker Data Transformation & Querying: SQL, M Code, DAX, or similar Automation Languages: Python, Java, C#, R, or similar Automation Tools: Power Automate, UiPath, Blue Prism, Alteryx, Zapier Workflow Automation/Scripting: VBA, Shell Scripting, JavaScript Experience managing or contributing ...

Fastest Growing Start-up in the UK Defence We are partnered with one of the UK's fastest-growing start-ups. They are a very technically focused group building cutting-edge decision-making technology. The ...

seeking an experienced Backend Developer with strong expertise in Core Java to build scalable, high-performance APIs and work effectively within large, complex codebases. This role plays a critical part in developing and enhancing a microservices-based platform that supports risk management and backend operations for both corporate and retail … continuously improve SDLC processes Support additional ad hoc technical tasks as required Technical Skills: 5+ years of experience in software engineering with strong Core Java expertise At least 2 years of experience working with SQL databases Strong experience in API development and automation Familiarity with cloud platforms such ...

their goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid role … offers the opportunity to build scalable, real-time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput ...

Senior Java Software Engineer - Java 11+, Spring, Spring Boot, Microservices, Kafka, Akka, Docker/Kubernetes, Real-time, TDD/BDD, Reactive Programming, MongoDB Payments A Senior Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought after by a global Fintech ...

live trading environments Ensure best practices in software development, testing, and documentation Required Qualifications Strong programming skills in C#, Python and/or C++ (Java or other languages a plus) Solid understanding of data structures, algorithms, and software engineering principles Experience working with large datasets and time-series data Familiarity ...

financial services Strong understanding of equities trading, including OMS/EMS and market connectivity Experience with system design and low-latency, high-performance applications (Java/C++) Familiarity with SDLC and CI/CD tools (e.g. JIRA, Confluence, Git, Jenkins) Strong analytical, problem-solving, and stakeholder management skills Excellent written ...

product, BA, and programme leadership What They’re Looking For Strong experience with Azure, Kubernetes, and cloud-native architecture Proficiency in Python, .NET, or Java Hands-on experience with GenAI/LLMs and machine learning Experience building AI agents/multi-agent systems Knowledge of APIs, event-driven systems, data ...

Oversee vendor relationships and offshore resource planning Contribute to governance, risk and compliance initiatives Skills and Experience Extensive experience in software development with strong Java expertise Proven leadership experience managing engineering teams Experience overseeing the full software delivery lifecycle Background within financial services, ideally capital markets Strong understanding of cloud ...

cloud-native environments (Kubernetes, microservices) Ability to define and improve SLIs, SLOs, and alerting strategies Proficiency in at least one language (Python, Go, or Java) Experience with infrastructure-as-code (Terraform, Ansible) Nice to Have Experience in financial services or regulated environments Exposure to large-scale, complex distributed systems ...

adopted developer tooling What they’re looking for Strong JavaScript and TypeScript fundamentals (framework-agnostic mindset) Experience with a statically typed language (C++, C#, Java, Python, etc.) Deep understanding of algorithms, data structures, and software design Experience building complex systems — not just application-layer UI Familiarity with React, Angular ...

Experience Essential Strong Salesforce (Sales Cloud) experience Proven background as a Technical Lead/Solution Architect/Solution Engineer Experience with: AWS (Glue, AppFlow) Java development API integrations (REST/SOAP) CI/CD pipelines & cloud deployment (AWS/Azure) Experience working across business requirements/user journeys (BA background ...

systems) Experience working within or alongside network engineering or infrastructure operations teams Programming experience in at least one language such as Python, Go, or Java Strong understanding of SLOs, SLIs, and modern reliability engineering practices Strong analytical and problem-solving skills with a focus on automation and system reliability Desirable ...

Java Messaging Engineer | eBond Trading Platform We are seeking a high-caliber Java Backend Developer to join the Booking & Messaging cell of a global electronic trading platform. This role is at the heart of the 'eBond' ecosystem, managing high-throughput trade flows and external venue connectivity. Your Technical Arsenal Core … Java Mastery: Expert-level Java (8+) with a focus on Multithreading, Concurrency, and Asynchronous processing. Reactive Systems: Hands-on experience with Functional Reactive Programming (RxJava, Java 9 Flow API, or similar). Low Latency Messaging: Deep understanding of 60East AMPS , Kafka, or Solace. You should be comfortable with Pub/ ...

augmented transformation within an engineering team, including guardrails and coaching. Sitecore CMS experience, minimum 2 years. .NET Core experience, minimum 2 years. Java Spring or Spring Boot experience, minimum 2 years. Experience with modern web application frameworks and integration technologies. Full stack development experience including web, microservices and databases. ...

degree in computer science, engineering, or a related field. Minimum 6 years of relevant industry experience. Proficiency in programming languages such as Python, Java, or GoLang. Experience with AI and machine learning technologies, particularly in the context of coding assistants. Strong problem-solving skills and the ability to think critically ...

maintainable code, systems design and software architecture Experience working across multiple technology stacks Strong experience with library‐appropriate, strongly typed languages such as C++, Java, C#, Go or Rust, along with relevant front‐end frameworks High adaptability and the ability to learn new technologies quickly Interest in modern technologies such ...

platform delivery Bachelor's degree in Computer Science, Engineering, or related field-or equivalent industry experience in lieu of a degree. Experience with .NET, Java, APIs, microservices, SQL/NoSQL databases, and CI/CD pipelines; strong understanding of cloud/on-prem infrastructure, firewalls, and security protocols. What ...

using Python for analytics, tooling, or supporting components alongside core trading platforms. Background in trading, risk, or financial markets technology is beneficial. Exposure to Java or other JVM-based languages is an advantage. Why Work Here? You will join a technology-focused environment where high-performance, low-latency engineering ...

technical debt across multiple teams Actively mentor and develop engineers, fostering a culture of continuous learning What we're looking for Deep expertise in Java Deep expertise in system design and distributed architectures Track record of leading technical initiatives across multiple teams Strong experience with cloud platforms (AWS, Azure ...

Software Engineer Our new client are expanding their engineering capability and are looking for talented Software Engineers with a strong focus on Java to join a growing team. If you thrive in modern engineering environments and enjoy building scalable, high-quality services, this role will put your skills to work … meaningful, production-grade systems. What You'll Work On You'll be developing robust, secure, and efficient services using modern Java frameworks and tooling. Expect to contribute to API development, containerised applications, and cross-functional engineering initiatives. Must-Have Skills Strong commercial experience with Java Hands-on expertise with RESTful ...

You'll join a front-office electronic trading team responsible for the systems that directly drive execution across EMEA markets. This is not a support function, you'll be building and enhancing the algorithmic engines ...

services and APIs, delivering features end-to-end in collaboration with cross-functional teams. Develop cloud-native and containerised applications using technologies such as Java (Spring Boot), Python (FastAPI), Node.js and modern datastores. Build solutions within an Agile and DevSecOps environment, embedding security and quality throughout the delivery lifecycle. Integrate … teams. Required Skills & Experience DV security clearance is essential. Proven experience as a backend or software engineer delivering production systems. Strong coding ability in Java, Python and/or JavaScript/TypeScript. Solid understanding of backend engineering fundamentals, design patterns and API design. Experience working in Agile teams (e.g. Scrum ...

Principal Java Engineer London – Hybrid (1 day per week onsite) Are you a senior/lead hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is an opportunity to work … near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events Build event-driven architectures using modern Java and reactive frameworks Work extensively with non-blocking I/O, asynchronous flows, back-pressure, and concurrency Contribute to system and API design, focusing ...

technology company in Greater London is seeking an experienced software developer with a strong background in Java or other JVM-based languages, including Scala. The ideal candidate should have experience in microservices architecture and cloud services. Familiarity with containerization tools like Docker and Kubernetes is also required. This role ...