1 to 25 of 58 Java Jobs in the City of London

SDLC to rapidly comprehend large codebases, generate production‐quality code, and accelerate delivery. Required Qualifications 8+ years of professional software development experience in Java (Java 17+ preferred), with strong command of concurrency, collections, and modern language features. Demonstrated experience with AI assisted engineering tools (e.g., Claude Code, GitHub Copilot Agent ...

orchestration patterns Strong software architecture and system design experience Strong background in: microservices architecture event-driven systems distributed systems Strong backend engineering experience using Java/Spring Boot or equivalent Experience working with: REST APIs Kafka/RabbitMQ/messaging systems Docker Kubernetes cloud-native deployments Strong understanding of security ...

Full Stack/Back End Java Developer - AI Location: London (Hybrid - 3 days onsite) Contract: 12 Months (PAYE) Rate: £550 per day PAYE (£66.94 per hour base rate, excluding holiday pay accrual) We are seeking an experienced Full Stack Java Developer , Back End Java Developer , or strong Front End Developer … best practices. Produce and maintain technical documentation. Support continuous improvement initiatives across the software engineering function. Required Skills & Experience Strong commercial experience with Core Java and Java EE . Experience developing RESTful APIs , web services and Service-Oriented Architecture. Strong understanding of Object-Oriented Programming, Design Patterns and Application Architecture. ...

knowledge management challenges. Proven Track Record: Experience leading and mentoring others Programming Skills: Have heavily used modern object-oriented languages such has C# or Java Enterprise Expertise : Expertise in software design patterns, clean code, and clean architecture principles & Knowledge of how to build REST APIs and have experience of messaging. ...

seeking a highly skilled Specialist with 5 to 7 years of hands-on experience in Core Java, React, and cloud-native architecture to join our client's Investment Banking engineering team. In this role, you will design, build, and maintain high-throughput, low-latency applications tailored for risk management systems. … client. Key Responsibilities End-to-End System Design & Development: Architectural design and development of robust microservices and interactive user interfaces using Core Java, Kotlin, Spring Boot, and ReactJS. Real-Time Data Processing: Build and maintain scalable event-driven architectures utilizing Apache Kafka and Apache Flink for real-time risk data ...

Harvey Nash Group is seeking a experienced Full Stack/Back End Java Developer to work on enterprise-scale applications in London. The role involves developing RESTful APIs, working with AI-assisted coding tools, and collaborating across engineering teams in an agile environment. You will contribute to design, develop, test … maintain software using Core Java, Java EE, Spring Boot and modern front-end techs. #J-18808-Ljbffr ...

technical design and continuous improvement initiatives What we're looking for Experience working with Iress Xplan Strong software engineering background Commercial experience with Java and/or Python Experience with AWS or Azure API and systems integration experience Strong understanding of software engineering best practices Experience within Wealth Management, Financial ...

fast-paced environme nt.Preferred Qualificatio ns:Experience with cloud platforms (e.g., AWS, Azure, Google Clou d).Familiarity with other programming languages such as Java or C ++.Understanding of front-end technologies (e.g., JavaScript, HTML, CSS) is a pl us.Prior experience in a financial services or trading environme nt.Strong analytical ...

years of experience designing and developing enterprise‐scale applications. Strong foundation in software engineering including frontend, backend, APIs, data, and cloud architecture. Expertise in Java or C# as a primary language; hands‐on experience with Python, Rust, and TypeScript/JavaScript. Proven delivery experience applying agentic AI to modernise legacy ...

with modern AI platforms — OpenAI, Claude, Vertex AI, or open‐source models — including building or using abstraction layers for multi‐provider pipelines. Strong Python, Java or equivalent experience building 12‐factor applications + Infrastructure as Code (Terraform, Helm). Experience in client‐facing communication and collaboration, including leading technical discussions ...

solutions across the full lifecycle Hands-on expertise with Microsoft-based environments (e.g. Azure testing tools, AI platforms) Proficiency in one or more: Python, Java, JavaScript, SQL, or R Proven experience in: AI/Generative AI testing RAG (Retrieval-Augmented Generation) solution validation (e.g. RAGAS framework) CI/CD, DevOps ...

security control Security & Resilience: Deep understanding of threat modelling, authentication patterns, and observability Modern Development: Familiarity with languages such as Ruby, Python, or Java, alongside CI/CD, TDD, and containerisation Communication: Exceptional ability to simplify complex topics and build consensus across diverse groups Desirable Attributes Experience with enterprise ...

both technical and business audiences, and comfortable working with multiple global stakeholders. Expert Knowledge in One Or More Of Hands-on programming experience in Java or Python Significant solutions architecture and system design experience Experience of using Agentic AI coding tools - e.g. Claude Code, Co-Pilot Agent Mode, Devin Experienced ...

relevant discipline, or equivalent practical experience, with evidence of strong quantitative skills or data engineering expertise. Strong hands‐on programming experience in Python or Java . Good working knowledge of SQL , including troubleshooting, optimisation and data analysis. Ability to learn new tools, internal platforms and delivery workflows quickly. Familiarity with ...

translate them into technical specifications. Design, develop, and implement secure, scalable, and reliable micro-services to deliver client-facing application(s) using a Java backend and React frontend. Optimize performance and reliability through continuous testing, debugging, and refinement. Stay abreast of industry trends and emerging technologies to drive innovation … more junior developers, fostering a culture of learning and growth within the team. Ideally, you should have... 7+ years of professional experience in Java development, with a focus on building client-facing APIs or platforms Strong written and verbal communication skills, with experience managing and mentoring diverse teams. Knowledge ...

visualisation platforms Experience building dashboards or data‐intensive tools in high‐throughput, SLA‐bound environments Ability to work with backend services in Python or Java to debug and extend the full data path Familiarity with data visualisation libraries such as D3, Plotly, ECharts, or similar Proven ability to take initiative ...

both new and existing systems. Provide on‐call support as needed. Qualifications A minimum of 2+ years’ experience using at least one of Python, Java, and C++, and can work comfortably in multiple programming languages A track record of working directly with end customers, scoping and delivering production systems ...

STEM subject such as Computer Science, Electrical Engineering, Physics, etc. 7+ years of professional software development experience in an object‐orientated language (Java, Python, C++, or other OO technology) including data structures and algorithms. A good understanding of the principles behind test‐driven development (TDD) with hands‐on experience ...

partner Jooble Below is a snippet of the job description. To read the full text, please click on the "Apply Now" link. Requirements Java Java Springboot JEST (good to have) TypeScript (good to have) AWS services knowledge (Lambda, Kinesis Stream, SQS, Eventbridge) BDD framework cucumber (good to have) CI... ...

BlackRock seeks a Senior Software Engineer to join the Aladdin Engineering Private Markets team in London. You will design and deliver secure microservices with Java backend and React frontend, focusing on RBAC, permissions management, and integration with the central authentication platform. You will mentor junior developers, drive API-first development ...

interested in candidates with experience in many of the following: Strong software development experience. Proficiency in at least one compiled language such as: C++ Java C# Experience with scripting or utility languages such as: Python JavaScript PowerShell Perl Familiarity with: Source control IDEs and debugging tools Unit testing Continuous Integration ...

Principal Software Engineer/Developer (Java Spring Boot AWS) London/WFH to £120k Are you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. As a Principal Software Engineer you will lead client … sites), you'll join a friendly, diverse, upbeat team. About you : You have experience within a financial services or Fintech environment You have strong Java development skills including multi-threading and concurrency You have experience with Spring Boot and microservices environments You have a good knowledge of REST APIs ...

environment, producing technical designs and collaborating with finance stakeholders. The ideal candidate should have over 6 years of software development experience, strong proficiency in Java or Python, and significant knowledge of data structures and system design. Join our commitment to diversity and innovation. #J-18808-Ljbffr ...

assisted software development practices, and implementing automation strategies for operational stability. The ideal candidate will have advanced skills in programming languages like Python and Java, experience with AI-assisted development tools, and a solid understanding of financial services IT systems. This position offers a chance to lead and innovate. #J ...

reliability frameworks, observability platforms, and performance engineering systemes that traders rely on daily. Lead incident response like a battlefied commander Dive deep into Java Kotlin, Python, Microservices, Kafka, Grafana, Splunk, Dynatrace and full modern SRE arsenal Work shoulder to shoulder with elite traders across Equities, Fixed Income, FX & Beyond Turn ...