151 to 175 of 337 Java Jobs in London

# Sr. Java DeveloperDeveloperLondonAugust 20, 202588400 - 98700/monthFull TimeApplication ends: **May 12, 2026**Apply Now### Job DescriptionA Sr. Java Developer is responsible for designing, developing, and maintaining high-quality Java applications. They collaborate with cross-functional teams to deliver scalable and efficient solutions, troubleshoot complex issues, and optimize system … capabilities, and staying updated with emerging technologies are essential for driving innovation and ensuring seamless application performance.### Key Responsibilities* Design, develop, and implement complex Java-based software solutions effectively.* Collaborate with team members to define project requirements accurately.* Optimize application performance for scalability, security, and efficiency consistently.* Troubleshoot and resolve ...

counterparty risk. You will translate quantitative methodologies into scalable software within cloud-based risk infrastructure and production environments. The role requires strong Python, Java or C++ skills, solid database knowledge, and Docker in cloud environments, with collaboration across global teams to enhance risk management capabilities. #J-18808-Ljbffr ...

looking for a Senior Software Engineer II to join their team in Greater London. The role focuses on designing and maintaining scalable tools using Java and Spring Boot while collaborating across teams to drive innovative solutions that enhance customer value. With a starting salary range ...

systems. You will work alongside exceptional engineers and tackle complex technical challenges in a collaborative culture. The ideal candidate has strong skills in C++, Java, Rust, or Python and a technical background. The role offers a competitive salary of up to £150k with meaningful equity, alongside benefits like private health ...

diverse team on advanced features such as fraud prevention, identity services, money transfers, and onboarding. The ideal candidate has strong back-end experience in Java, cloud platforms, and a track record of #J-18808-Ljbffr ...

State Street Corporation in London is seeking an enthusiastic full-stack developer to write high-performance Java and Rust code as part of the EFX London team. You will contribute to bespoke trading solutions that operate across FX markets globally, on a follow-the-sun basis, within large mesh-based ...

across the full migration lifecycle. Key Responsibilities: Design and implement Teamcenter migration strategies and data migration frameworks Develop custom migration utilities using ITK, SOA, Java, C/C++, Python or Shell scripting Perform data extraction, transformation, validation, mapping and reconciliation Support migration planning, testing, cutover and deployment activities Troubleshoot migration ...

which can focus on being the world\'s most accountable and sustainable cloud provider Qualifications Tech agnostic but preferable experience working with Golang, Rust, Java and/or C/C++. In-depth knowledge of distributed systems, building solutions at scale where performance, reliability and availability are key considerations. Confident ...

enough to write, review and turn around code to a high standard Strong fundamentals in a modern strongly-typed or object-oriented language (.NET, Java, Python, TypeScript or similar). Direct .NET experience is a plus but not essential if you can ramp quickly with AI-assisted tooling Real, practical ...

repositories, branching, merge requests, and code reviews Sound understanding of networking concepts including IP addressing, CIDRs, TCP/IP, and TLS certificates Experience supporting Java applications, JVMs, and process management Nginx administration, particularly as a reverse proxy Performance tuning and capacity management across CPU, memory, and storage Experience with OpenVPN ...

repositories, branching, merge requests, and code reviews Sound understanding of networking concepts including IP addressing, CIDRs, TCP/IP, and TLS certificates Experience supporting Java applications, JVMs, and process management Nginx administration, particularly as a reverse proxy Performance tuning and capacity management across CPU, memory, and storage Experience with OpenVPN ...

driven architectures and asynchronous processing patterns Cloud-native infrastructure supporting globally distributed workloads You may interact with services and systems built in: Python Go Java Kotlin C# TypeScript/Node.js Ruby Rust API Design You will design, build, and consume: RESTful APIs GraphQL APIs Company UK's market leading media ...

testing, disaster recovery, and capacity planning Experience with observability platforms with Splunk, Grafana, Prometheus. Demonstrable fluency in at least one of the following languages: Java, Python, or Go. Experience with Kubernetes, Nginx, Envoy, Prometheus, and/or Docker. Preferred Qualifications Understanding of standard networking protocols and components such as: HTTP ...

practices, continuous delivery and code reviews Experience working with relational and non‐relational databases, query optimisation and designing schemas is a plus Knowledge of Java and Spring boot and experience with a messaging system, like Kafka, is a plus Being part of the on‐call rotation for our critical services ...

Computer Science, a related field, or equivalent practical experience. 7 years of experience in software or data engineering, including programming in Python, Go, or Java, and experience with design patterns, testing frameworks, and API contract design. Experience in back-office clearance, trade reconciliation, and identifying or mitigating transaction settlement risks. ...

Visa, Mastercard, Interac) Experience working in complex, multi‐service or event‐driven architectures Familiarity with a range of tools and technologies including: Development: Kotlin, Java Data storage: DynamoDB, MySQL Infrastructure as code and CI/CD: Terraform, GitLab CI/CD We don’t require experience in every area listed ...

with deciding when to invest in centralisation vs bespoke, and in driving adoption. Experience in at least one major Programming language (e.g. Python, Ruby, Java). True advocate for an empowered engineering team over 10x engineers, with a passion for coaching, mentoring, and sponsoring. A strong passion for critically assessing ...

experience applying them to improve data reliability and ownership.Experience designing and enforcing data contracts and quality SLAs in distributed data ecosystems.Proficiency in Python, Java, or Scala, and experience building pipelines with Databricks, Spark, or Kafka.Strong understanding of data governance principles, privacy regulations (GDPR, CCPA), and secure data handling practices.Familiarity with ...

Proven experience in Java Spring development (Spring Core and Spring Boot) Strong understanding of FIS CD Trade Clearing application or comparable middle office trading solutions In-depth knowledge of software development lifecycle, CI/CD (GitLab), and secure development practices Hands-on experience building scalable systems using Java and Python ...

Software Developer (Java/Oracle) - SC Cleared Location: London or Leeds (Hybrid - 50% onsite) Duration: 6 months Clearance: SC Cleared (an active SC Clearance is required) Our high profile Banking client is looking for an experienced Software Developer to join a collaborative working group supporting a critical payments platform environment. … quality, performance, and maintainability Support and troubleshoot production environments Quickly learn and adapt to the RTGS2 ecosystem Essential Skills & Experience Oracle PL/SQL Java Spring Boot Kafka Hibernate Proven track record in code delivery and production support Strong organisational skills and self-motivation High level of integrity and accountability ...

Nomura is seeking a technologist for its Global Execution Services algo team. The role focuses on design, development, and deployment of core algorithmic trading platforms used across global markets. You will work closely with quants ...

Corporate Actions Platform owning the end‐to‐end delivery of critical components. Design and implement scalable, high‐performance full‐stack solutions using Java, Oracle, and enterprise messaging frameworks. Utilise and drive adoption of AI capabilities into the team’s daily practice to accelerate delivery. Ensure all solutions align with architecture … Qualifications Technical Skills Significant experience in software engineering with additional senior leadership experience (e.g., Head of Engineering, Technical Lead). Expert‐level proficiency in Java and frameworks like Spring Boot for building microservices. Strong expertise with relational databases (Oracle) and data modelling (canonical data models, JSON). Deep experience with ...

Principal Java Engineer (AWS/Microservices) Salary: Up to £105,000 + Bonus + Benefits Location: Coventry or Central London - Hybrid (2 days per week onsite) Working Hours: 40 hours per week - Full time Job Type: Permanent A globally established organisation is seeking an experienced Principal Java Engineer to shape … engineering excellence, defining technical standards and leading the design of scalable, high-availability systems across a modern cloud-native environment. Responsibilities for the Principal Java Engineer: Define and evolve engineering strategy, standards and best practices across your domain Lead technical direction across multiple engineering teams (on and offshore) and programmes ...

Freelance Senior Java Resource on Contract Total Experience : 4 years Skills: Java Development, Acquainted with usage of Jira, Usage of Eclipse, Maven and Code management using GitHub Expectation: Attend daily stand up meeting with client, develop and review code. End to End responsibility. Remuneration: INR 80,000 per month … development techniques including HTML, AngularJS, CSS3 and JavaScript. Experience in mobile app development with demonstrated experience in Android and IOS. Experience in Java and Python. Exposure to MVC frameworks such as spring, hibernate, & other java related frameworks. Exposure to packages in Python, including numpy, pandas, matplotlib, etc. Familiar with relational ...

Wise in London is seeking a Senior Software Engineer II for the FinCrime - Scam Prevention Team. You will own end-to-end delivery, applying Java and Spring to scale defenses against fraud and protect customer funds. The role balances backend work (80%) and frontend (20%), with an emphasis on quality ...