51 to 75 of 96 Java Jobs in the City of London

mathematical modelling . Experience working with large datasets and performing detailed data analysis. Proficiency in one or more of Python, C#, C++ or Java . Experience within data science, quantitative analysis or statistical modelling . Strong analytical and problem-solving abilities. Excellent attention to detail and numerical accuracy. Strong communication ...

with an understanding of products, policies, claims, distribution channels, and customer journeys Good to have: experience delivering projects involving pricing and quotations, data enrichment, Java based development, and software development testing Excellent stakeholder management, communication, and influencing skills Relevant certifications such as PRINCE2, PMP, APM, or Agile qualifications (highly desirable ...

deliver microservice-based applications in partnership with product teams, ensuring rapid iterations and production-ready quality across global engineering groups. The role emphasizes strong Java 17+ expertise, deep PostgreSQL knowledge, and leadership to scale high-performing teams while advancing #J-18808-Ljbffr ...

Travelers Europe is seeking a Senior Architect to lead architectural strategies across Java/.NET and API platforms. You will guide complex applications, drive Services-Oriented Architecture, and enable event-driven architectures with a focus on performance and stability. Hybrid work policy allows three days in the office ...

Experience administering Oracle ASM and Data Guard for HA/DR Desirable - Oracle Database Engineer (Oracle DBA): Oracle Certified Master (OCM) Oracle APEX experience Java development knowledge Git or Stash version control Understanding of server architecture, enterprise storage, networking and firewall concepts Familiarity with ITIL and formal service management processes ...

Backend Java Developer – Data Fabric/Platform Engineering Location: London (Hybrid) Employment: Permanent Salary: £70,000 – £90,000 base (dependent on experience) If your idea of backend engineering is more than CRUD APIs and microservices boilerplate — this role is for you. We’re building the core backend services … critical path of data access . This is deep backend + data infrastructure work . 🚀 What You’ll Do Build core backend services in Java (17/21) for access control and query manipulation Implement deterministic policy/rule engines for data governance Work on SQL parsing, planning, validation ...

play a central role in shaping the next generation of intelligent services across our enterprise technology landscape. You will combine deep expertise in Java-based architecture with modern AI patterns — including agentic workflows, large language model (LLM) integrations, and retrieval-augmented generation (RAG) — to drive our AI transformation strategy forward. … workflows, multi-agent systems, and LLM integration patterns that automate complex business processes across customer-facing and internal platforms. Architect scalable, resilient solutions using Java, Spring Boot, Spring AI, REST APIs, event-driven architectures, and microservices — establishing reference implementations that accelerate AI adoption across engineering teams. Participate actively in enterprise ...

Senior Software Engineer - Java Order Management System (OMS) - Trading Platform So, who are we? IG Group is a FTSE 100 fintech operating across five continents, serving over 1.4m customers and handling billions of dollars in transactions - built on scale, trust, and proof. We didn't pivot to innovation … order’s path through the platform is decided, tracked and recorded. You will join as a senior engineer on that service: designing and building Java services where correctness is not negotiable and latency is measured rather than guessed. When something goes wrong here, the teams who trade and support ...

Senior Java/FIX Engineer - IG Prime Prime Java/FIX Engineer ‰ So, who are we? IG Group is a FTSE 100 fintech operating across five continents, serving over 1.4m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn't pivot to innovation … team: testing, documentation, and challenging designs that won't hold up What You'll Need: Substantial commercial experience building backend systems in Java — enough that you've owned services in production, made the architectural calls, and lived with the consequences Strong command of concurrency and multi-threading — not just ...

traders and engineers to deliver robust, low-latency infrastructure. The ideal candidate has a strong technical background with 2–5 years of experience in Java or C++, and a solid track record in backtesting and low-latency trading strategies within a financial context. #J-18808-Ljbffr ...

communication. The role requires production Rust experience (2+ years) and familiarity with Tokio or other asynchronous frameworks. A background in C/C++ or Java is a plus, with emphasis on low-latency, high-throughput architectures. #J-18808-Ljbffr ...

Senior Software Engineer: Sports Betting Up to £120,000 + Bonus + Excellent Benefits London - 5 Days On-Site | Python | Java | AI | Low Latency | Distributed Systems Build software where performance, mathematics and real-time decision-making genuinely matter. We're partnering with a highly technical sports betting business continuing … evolving systems used within a quantitative sports betting environment. You'll work across: Designing and building scalable backend services Developing primarily with Python and Java Building low-latency and high-throughput systems Processing large volumes of real-time data Developing distributed and event-driven architectures Building integrations with external platforms ...

Physics also considered) Required Knowledge and Level of Experience: Degree in Computer Science, IT or related disciplines. 5+ years’ experience in software development with Java (JVM), including performance optimisation and profiling. Deep understanding of cloud infrastructures, usage patterns, across at least one major cloud vendor. Knowledge of off-heap data … orchestration (Docker, Kubernetes). Public cloud (e.g., AWS) and IaC (e.g., CloudFormation) Skills set and Core Competencies Required for Role: Highly proficient in Java; able to build high-throughput, low-latency services. Understanding of containers and Kubernetes; ability to implement complex network topologies in cloud like environments. Ability to scale ...

Skills and Experience You possess strong development experience in Java and Kotlin. You have familiarity with Agile processes and Test-Driven Development (TDD). Technical Expertise You understand Computer Science, Object-oriented Programming (OOP), Design Patterns, Data Structures, and Algorithms. Knowledge of additional technologies such as Scala, React, Spring, Oracle ...

Java Developer London (Remote) 4 months £466 per day inside IR35 - Umbrella only Active/eligible SC clearance required If you enjoy turning complex system work into clean, reliable application components, this could be a great next step click apply for full job details ...

client is in the Financial Sector and is looking for a new Java Engineer to join the team. This role is hybrid with 3 days a week in Central London. In this role you will be working in a small team of 10 on a brand new AI focused product. … Client Details Our client is in the Financial Sector and is looking for a new Java Engineer to join the team. This role is hybrid with 3 days a week in Central London. In this role you will be working in a small team of 10 on a brand ...

Accenture is seeking a Software Engineer (Java) – Associate Manager for delivery across London, Bristol, Manchester and Birmingham. The role involves high‐quality Java development, Spring Boot, and working within an agile, scrum-driven team to deliver critical functionality and digital transformation engagements. You will collaborate across disciplines, implement tests ...

architecture. Collaborative Problem-Solving: Join interactive whiteboard sessions and workshops to tackle complex technical challenges. Hands-on Development: Build and scale robust services using Java and Python. Cross-Functional Work: Partner in person with DevOps, Data Science, Product, and UX teams. Core Tech Stack: Backend: Java, Spring/Springboot, Python ...

Observability and instrumentation: hands‐on OpenTelemetry experience (spans, metrics, traces, context propagation) and production use of Honeycomb, Datadog, Dynatrace, or Grafana; able to instrument Java or Python services directly. SLOs and error budgets: proven track record designing customer‐meaningful SLIs, setting error budgets, configuring multi‐window burn‐rate alerts … strong advantage on IG’s hybrid estate; solid understanding of cloud networking and IaC (Terraform preferred). Software engineering: production‐quality coding in Java and/or Python; comfortable contributing to application codebases to implement reliability patterns, not just configuring infrastructure around them. Distributed systems: strong understanding of how large ...

while helping shape the architecture and technical direction of highly available, distributed software platforms. Design and develop backend applications and services within a Java environment. Build and enhance distributed systems operating at high throughput and availability. Design event-driven architectures and integrations using Kafka. Shape technical approaches and contribute … issues. Improve observability, maintainability and engineering practices across the platform. Key Skills Significant commercial software engineering experience within complex production environments. Deep hands-on Java development experience. Strong understanding of distributed systems and scalable application design. Strong experience with Kafka and event-driven architectures. Experience designing microservices, APIs and integration ...

Overview Vacancy for Lead Developer Java/Scala at The National Archives (UK) 23 January 2023 London Full-Time Person specification About you You are an enthusiastic and organised individual who is keen to join a growing team and make a positive contribution. You have the confidence to advise … 11th to the early 21st century are all to be preserved in the system. We currently operate a series of workflows constructed predominantly in Java, Scala, XSLT and XML Schema running in a Linux environment and we expect Cloud services to play a large role in our future architecture. ...

Broadridge Financial Solutions seeks a Principal Engineer – Full Stack Java to lead technical strategy for client-facing Gloss platform components. You will shape architecture, drive scalable, secure services, and guide teams across the stack. The role blends deep hands-on coding with broad technical influence, partnering with product ...

leading digital archiving organization in London seeks a Lead Developer proficient in Java and Scala to oversee software development in their Digital Preservation team. You will manage systems critical to preserving national digital records and lead innovation within the department. The ideal candidate has experience in Linux and AWS, mentoring ...

will lead agile teams responsible for building and delivering secure, scalable technology products across multiple applications. You will apply deep technical expertise in Java, drive architecture improvements, and mentor engineers while partnering with business teams to implement impactful changes. #J-18808-Ljbffr ...

Quantitative Developer - Python/Java - Market Risk & FRTB Based in London - hybrid - 2-3 days per week Permanent £70K - £110K We are seeking experienced Python or Java Developers with exposure to Quantitative Analytics, Market Risk and Financial Markets to join a specialist technology team working on critical risk analytics ...