151 to 175 of 369 Java Jobs in London

squad Proven experience working in both backend services and mobile technologies Exceptional programming skills and knowledge of building APIs using modern OO languages preferably Java, SOLID principles, SOA, HTTP and REST Experience with AWS and strong understanding of cloud-based development Extensive, demonstrable knowledge of designing architectures that are secure ...

Senior Java Developer Annual Salary: Competitive with performance-related bonus Location: City of London (Hybrid - 3 days a week onsite) Job Type: Full-Time, Permanent A new exciting opportunity has become available for an experienced Senior Java Developer to join a growing Technology department working specifically within Capital Markets … improvement of engineering standards. Collaborate with Client Services and Product Management to understand requirements and propose solutions. Manage and mentor a small team of Java developers, promoting a culture of quality, ownership, and continuous improvement. Required Skills & Qualifications: 7+ years' Java development experience in Financial Services. Strong understanding of capital ...

Responsibilities Engineering Standards : Define and enforce Java and Node.js coding standards across the engineering team, with a strong emphasis on robust exception handling, binary stream processing, structured logging using Application Insights, and security‐first development practices. Cloud‐Native Readiness : Ensure all application logic is designed for containerisation from inception. This … contract tests, to minimise regressions and ensure deployments are stable and verifiable prior to production release. The Ideal Candidate Experience : 10+ years of professional Java development experience, with proven production ownership of Spring Boot–based microservices architectures. Azure Integration : Demonstrated experience building applications that integrate with Azure-native services, including ...

Principal Java Engineer (AWS/Microservices) Salary: Up to £100,000 + 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 and programmes Design and oversee ...

backend approaches Support compliance – Ensure systems align with standards such as ISO27001 and PCI What we’re looking for Strong backend engineering experience with Java (11+) & Spring Boot Event-driven architecture expertise – Kafka or similar Cloud experience – ideally AWS; Kubernetes knowledge beneficial Deep understanding of microservices, REST APIs & distributed systems ...

Hiring: Junior Java Spring-boot Developer Location: Onsite (London) Type: Full-time | Permanent Level: Junior London based candidates only. Job Summary: We are seeking a skilled and motivated Java Developer to join our growing software development team. As a Java Developer, you will be responsible for designing, developing, and maintaining … high-performance, scalable, and reliable Java-based applications. You’ll collaborate with cross-functional teams to deliver robust software solutions that meet business requirements. Company Profile: Information Tech Consultants Ltd is a UK-based IT consultancy working with global clients including Fortune 500 & FTSE 100 companies. We are seeking ...

Title: Lead Modernization Engineer Java/Node.js Salary: Paying up to £80,000 per annum Location: Wembley London - 5 days on-site Our client, a well-established and diversified multinational organisation, is seeking a Lead Modernization Engineer Java/Node.js to join their team. Skills Solid Experience in Java development … design principles, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email logic via SendGrid. Duties Engineering Standards: Define and enforce the clients Java and Node.js coding standards across the team - with a specific focus on robust exception handling, ninary stream handling, structured logging via Application Insights, and adherence ...

driving strategic transformation through AI tools, and developing high-availability services. The ideal candidate has over 8 years of software development experience, particularly in Java, and a proven track record in developing event-driven architectures. Competitive benefits and a commitment to diversity and inclusion are part of the offering. #J ...

searching for a software developer in Greater London to work on the Consolidated Trade Ledger initiative. This role requires over 8 years experience in Java and familiarity with AI tools like GitHub Copilot. You will design and implement high-availability, cloud-native services while collaborating with global teams. The position ...

data infrastructure Develop quantitative research platforms and tools Optimize performance-critical financial applications Requirements: 2+ years software engineering experience Strong C++/Python/Java skills Trading experience preferred but not essential Our network: Pay: $150K-$800K+ based on experience Locations: London, Remote Focus: Trading platforms, risk systems, data infrastructure ...

clean energy for the charging of electric vehicles. In this position, they are looking for experience in: 3+ years commercial experience JVM development - Java, Kotlin or Scala (Bonus) if you have already worked with Kotlin Microservices architecture Public cloud technologies e.g. AWS Have worked in modern, product-focused tech companies ...

front-office, brokerage, exchange, ISV, software vendor or market data business. Experience within Equities or Fixed Income markets. Familiarity with modern tech stacks, including Java, Python or C++. Experience working within an electronic trading environment is essential. Excellent analytical, communication, and stakeholder management skills. 🌍 Why Join? You’ll be part ...

solving skills Strong in communication, able to relate to relevant internal and external stakeholders along with end users Good to Have Working knowledge in Java, PL/SQL, Oracle Angular experience is an added plus ...

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 ...

just find problems — you help fix them. Have solid experience in penetration testing and offensive security Can spot vulnerabilities in code (especially Java and Node.js) Understand modern architectures — AWS, microservices, APIs Communicate clearly and give practical, actionable remediation advice Comfortable scripting and contributing to larger projects in Python Take ownership ...

modern React frameworks WebSockets, streaming data, or real-time UI updates D3.js, charting libraries, or custom data visualisation Backend languages such as Python, C++, Java, or Go Familiarity with GraphQL, RESTful APIs, or event-driven systems Nice to Have (But Not Required) Exposure to financial markets, trading systems, or time ...

e.g., distinct services for data parsing, logic processing, and reporting). Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases. Practical experience building for live, non-mocked environments and handling multi-turn system interactions. Outstanding attention to detail ...

e.g., distinct services for data parsing, logic processing, and reporting). Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases. Practical experience building for live, non-mocked environments and handling multi-turn system interactions. Outstanding attention to detail ...

e.g., distinct services for data parsing, logic processing, and reporting). Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases. Practical experience building for live, non-mocked environments and handling multi-turn system interactions. Outstanding attention to detail ...

e.g., distinct services for data parsing, logic processing, and reporting). Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases. Practical experience building for live, non-mocked environments and handling multi-turn system interactions. Outstanding attention to detail ...

e.g., distinct services for data parsing, logic processing, and reporting). Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases. Practical experience building for live, non-mocked environments and handling multi-turn system interactions. Outstanding attention to detail ...

e.g., distinct services for data parsing, logic processing, and reporting). Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases. Practical experience building for live, non-mocked environments and handling multi-turn system interactions. Outstanding attention to detail ...

e.g., distinct services for data parsing, logic processing, and reporting). Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases. Practical experience building for live, non-mocked environments and handling multi-turn system interactions. Outstanding attention to detail ...

e.g., distinct services for data parsing, logic processing, and reporting). Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases. Practical experience building for live, non-mocked environments and handling multi-turn system interactions. Outstanding attention to detail ...

central to the team’s core systems Python is widely used across quant and data groups Open to candidates from other OO backgrounds (C++, Java, Go) with strong fundamentals Exposure to high‐performance, low‐latency, or business‐critical systems is valuable Financial markets experience is not essential, but interest ...