151 to 175 of 279 Java Jobs in London

engineering teams Collaborate with stakeholders across the business Experience Required Proven leadership in data or AI engineering Strong technical background (Python, or Go/Java/Scala) Experience delivering cloud-native data/AI platforms Deep knowledge of GCP (BigQuery, Dataflow, Pub/Sub, Vertex AI) Experience with LLMs (e.g. ...

across our engineering hubs (London, New York City, and Sydney) About You Professional experience programming in a strongly typed programming language such as C#, Java, C++, Go, or Rust Working knowledge of producing quantitative applications targeting at least one major asset class (e.g. Credit, Rates, FX, Equities, Commodities, etc.) Degree ...

setting clear direction while staying close enough to the code to guide architecture and best practices. Ideally you will have managed teams working with Java and modern backend technologies, a proven track record of leading engineers, and a pragmatic, calm approach to problem-solving. Technical Requirements Strong previous commercial experience … with Java/managing JVM engineers Promote DevOps (build/run it) methodology and practices Experience designing and delivering microservices-based architectures Solid understanding of CI/CD pipelines , including build automation, testing, and deployment Familiarity with modern engineering practices: automated testing, infrastructure as code, monitoring, and observability Technology Stack ...

ideal candidate will have strong expertise in modern web frameworks, Azure services, and secure application development practices. This role involves working on a Java/Spring-based platform hosted on AKS, ensuring scalability, security, and performance. Key Responsibilities: Design and develop responsive web applications using Angular , React , or Next.js with … Tailwind CSS . Implement secure authentication and authorization using Microsoft Azure AD B2C (OIDC/OAuth2, MFA). Integrate with backend services built on Java Spring Boot running on AKS . Work with Azure Database for PostgreSQL and implement RBAC + ABAC for data isolation and security. Configure and manage ...

Credit eTrading Developer (Java) Duration : 12 Months (with renewals) Pay Rate : £750 (inside) Location : London - 4 days a week in the office I'm currently supporting a leading financial services consultancy that partners closely with front-office trading teams to deliver high-performance electronic trading solutions. This role sits within … electronic trading Participating in peer code/design reviews Supporting QA teams and resolving production issues with a strong feedback loop Upgrading systems to Java 17, modern frameworks, and the Solace messaging platform Key Responsibilities Develop, optimise, and maintain server-side Java services for low-latency trading Implement multi-stream ...

services listed below:- S3 Athena Glue- Lambda DynamoDB OpenSearch CloudFormation API Gateway ECS CloudWatch Programming and Core Services • Fluency in Kotlin/Java, NodeJS, TypeScript • SQL Databases: Experience with SQL, and NoSQL databases such as DynamoDB Security – strong understanding of security principles within the AWS environment, including RBAC ...

Java Software Engineer – Data Engineering Up to £100,000 + bonus and benefits 4:1 hybrid in office – City of London Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility … PostgreSQL. This is a growing team focused on data ingestion and building tooling for the wider firm. What you’ll do: Build and enhance Java backend services (APIs, batch jobs, integrations) used across the business Write clean, testable code with solid engineering discipline (testing, code review, debugging, production support) Maintain ...

Java FullStack Developer London Based - 3 days in the office Salary up to £75K A well-established IT firm is looking for an experienced Java Full Stack Developer to join a high-profile banking client to contribute to a large-scale development project. You will join a dynamic development team … performance server-side logic. UI Development: Construction of responsive interfaces and layouts using modern JavaScript frameworks. API & Microservices: Development of RESTful services utilizing the Java Spring Boot ecosystem. Data Management: Design and maintenance of SQL/NoSQL databases and ORM integration. Quality Control: Execution of unit testing, code reviews ...

Java FullStack Developer London Based - 3 days in the office Salary up to £75K A well-established IT firm is looking for an experienced Java Full Stack Developer to join a high-profile banking client to contribute to a large-scale development project. You will join a dynamic development team … performance server-side logic. UI Development: Construction of responsive interfaces and layouts using modern JavaScript frameworks. API & Microservices: Development of RESTful services utilizing the Java Spring Boot ecosystem. Data Management: Design and maintenance of SQL/NoSQL databases and ORM integration. Quality Control: Execution of unit testing, code reviews ...

Java Developer - IDAM/IDM SME - SC Cleared - £550 - £650 per day - remote with occasional travel Developer - IDAM/IAM SME SC Cleared - £550 - £650 per day We are looking for a Developer with very strong and proven IDAM (Identity and Access Management) experience for a large Government client click ...

week Duration of Assignment: 06 Months The Role In this role, you design and develop ETL workflows using Pentaho Data Integration, writing and optimizing Java and SQL code to support efficient data processing click apply for full job details ...

concurrency, algorithms, and data structures Experience working with distributed, low-latency data systems Solid Linux/Unix and Shell Scripting capability Exposure to Java and/or Python is advantageous Domain Expertise Experience with electronic trading platforms or market data systems Understanding of cross-asset trading workflows and data life ...

testing Drive modern engineering practices and support AI-assisted development tools Resolve technical debt, improve performance, and ensure scalable architecture Requires strong Salesforce Apex, Java, CI/CD, integrations, automation, and refactoring experience Previous experience working in Fintech or regulated environments is beneficial What to do next If this Salesforce ...

well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science ...

well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science ...

maintainable code Participate in code reviews and mentor junior engineers Contribute to CI/CD pipelines and release processes Technology Stack Languages: Kotlin (primary), Java (legacy) Architecture: MVVM, Clean Architecture UI: XML and/or Jetpack Compose Networking & Data: REST APIs, Retrofit, Coroutines/Flow Android: Jetpack (ViewModel, Navigation) Testing ...

. Excellent understanding of T24 TAFJ running on MS SQL database. Understanding the challenges of upgrading T24 from the TAFC/jBase environment. Excellent Java development skills for T24. Solid experience in T24 integration, interfacing and customisation of Browser Excellent opportunity to join a great bank for the long term ...

consulting capacity to optimise use of trading products Key Skills & Experience Strong quantitative mindset with passion for data and research Strong Python development skills (Java exposure beneficial but not core) Experience with electronic trading strategies and market microstructure Knowledge of European equities markets Exposure to distributed systems and large-scale ...

part in shaping architecture, mentoring engineers, and driving best practices across the platform. They’re looking for people with experience in: Kotlin (or strong Java engineers willing to transition) AWS or other major cloud platforms Event-driven & microservices architectures Working in modern, product-driven tech environments Leading teams while remaining ...

Excellent understanding of T24 TAFJ running on MS SQL database. Understanding the challenges of upgrading T24 from the TAFC/jBase environment. xkybehq Excellent Java development skills for T24. Solid experience in T24 integration, interfacing and customisation of BrowserExcellent opportunity to join a great bank for the long term Interested ...

Strong experience with Temenos Transact T24 (including R24, AA, TPH, SC, RP modules) Expertise in TAFJ , MS SQL , and jBC development Working knowledge of Java within T24 environments is desirable . Proven experience in integrations, APIs, and system customisation (Browser) Solid understanding of banking products and core systems ...

grounding in algorithms, data structures, and software design Experience building complex systems — not just application-layer UI Exposure to a statically typed language (C++, Java, C#, Rust, etc.) Understanding of performance trade-offs in rendering and interaction Working knowledge of basic linear algebra Why this role stands ...

integration skills (RESTful APIs, web services) Good understanding of Blue Prism architecture, components, and solution layers Background in software development or system configuration (C#, Java, C++, etc.) Ability to interpret complex process flows and build scalable, reliable automations Soft Skills Clear communicator who can simplify complex technical detail Strong analytical ...

implementation projects, preferably utilising the Microsoft stack; - Ideally experienced in delivery of eCommerce projects, preferably utilising Magento and/or .Net or Java-based basket platforms; - Experience of delivery on online solutions such as eCommerce and/or customer portals with complex integration to line of business systems and payment ...

deeply about the end user experience, possess a strong desire to learn, and feel comfortable with at least one statically compiled language (C#, C++, Java, Swift, Rust etc). Technical Diligence - You value version control and code review, you are architecturally curious, you maintain documentation. You advocate for your ideas ...