51 to 75 of 103 Java Jobs in the City of London

Cloud Industry Lead - Life Sciences

Location
City Of London, England, United Kingdom
years of experience in clinical trial analysis, consulting, systems support, customer support, or training for enterprise class software. 2 years of experience with SAS, Java, and/or Python programming for supporting enterprise class applications. Bachelor’s Degree, preferably in Business, Management Information Systems, or related discipline. Experience with Life ...

Quality Test Engineer III

Location
City Of London, England, United Kingdom
with API and integration testing, including automated API-level testing. Experience designing and executing end-to-end automated tests. Good programming or scripting skills. Java is preferred, although experience with Python, JavaScript/TypeScript, C# or PHP is also suitable, provided you’re comfortable learning Java. Experience working with test ...

Global Banking & Markets - Backend Developer, Systematic Market Making - London

Location
City Of London, England, United Kingdom
Qualifications Advanced degree in relevant technical field such as Computer Science or Financial Technology. 2-5 years of relevant work experience. Proficiency in either Java or C++. Strong communication skills and the ability to work as part of a team. Preferred Qualifications Experience with building back testing for trading strategies. ...

AI Infrastructure Principal Architect

Location
City Of London, England, United Kingdom
subject. Strong understanding of computing infrastructure a subject, preferred knowledge of AI infrastructure. Well versed and proven experience in programming languages such as Python, Java, or C++. Experience with data pipeline and workflow management tools (e.g., Apache Airflow, Kubeflow). Strong problem‐solving skills and ability to work ...

Java Software Engineer

Location
City Of London, England, United Kingdom
Role Software Engineer (Java) – Associate Manager Location: London, Bristol, Manchester and Birmingham Salary: Competitive salary and package (Depending on level of experience) Please Note: Any offer of employment is subject to satisfactory BPSS and DV security clearance which typically requires 10 years continuous UK address history usually including no periods … Create and document low-level designs. Assist in the promotion and delivery of digital transformation engagements. Experience and Skills Excellent hands‐on experience with Java and associated technologies. Experience working with Spring Boot. Hands‐on knowledge of open‐source tools, libraries and standards. Some working knowledge of containers (Docker). ...

Technology Associate — AI, Data & Automation

Location
City Of London, England, United Kingdom
collaborate with business units to understand objectives, build skills, and deliver tools that improve how teams work. Expect to use C#, Python, R or Java, analyse data with SQL and pilot AI-enabled solutions while weighing data privacy, cost and maintenance. Global project work and ongoing learning are key aspects ...

Head of Test Automation Bank

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £160000/annum
Trading Salary £(phone number removed) plus benefits and bonus Location: London City and home working hybrid 50/50% Requirements: Strong software engineering JAVA background, leading enterprise-scale test automation, BDD & Cucumber The Head of Test Automation will provide strategic, technical and organisational leadership for the bank's test automation ...

Automation Tester

Location
City Of London, England, United Kingdom
scrum master, and other scrum members and teams. Automation testing skills required (preferably Selenium Webdriver and Cucumber). Proficient in programming languages (preferably Java) and SQL. Experience of working in an agile environment. Evaluation of functional and non-functional requirements for testability and suitability for automation. Experience in defining ...

Quantitative Analyst

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
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 ...

Sports Trading Quantitative Analyst

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £120000/annum
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 ...

Technical Project Manager UK Insurance (Hybrid, Contract)

Location
City Of London, England, United Kingdom
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 ...

Senior Architect (Hybrid) — AI-Driven Insurance Tech

Location
City Of London, England, United Kingdom
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 ...

Oracle Database Engineer - up to £90,000 + Bonus - Hybrid

Location
City Of London, England, United Kingdom
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
City Of London, England, United Kingdom
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 ...

Principal AI Solutions Architect

Location
City Of London, England, United Kingdom
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

Location
City Of London, England, United Kingdom
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

Location
City Of London, England, United Kingdom
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 ...

Low-Latency Backend Engineer – Market Making (London)

Location
City Of London, England, United Kingdom
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 ...

Senior Rust Engineer - Low-Latency Drone Systems (Remote)

Location
City Of London, England, United Kingdom
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

Hiring Organisation
Method-Resourcing
Location
City of London, South East, United Kingdom
Employment Type
Permanent Contract, On-site
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 ...

Senior Engineer - LMEsmart

Location
City Of London, England, United Kingdom
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 ...

Java/Kotlin Software Engineer - Agile, TDD, Spring

Location
City Of London, England, United Kingdom
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 Software Engineer — Associate Manager (Agile Delivery)

Location
City Of London, England, United Kingdom
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 ...

Software Engineer

Hiring Organisation
Station Group International Limited
Location
City of London, South East, United Kingdom
Employment Type
Permanent Contract, On-site
Salary
£65,000
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 ...

Senior Platform SRE

Location
City Of London, England, United Kingdom
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 ...