151 to 175 of 1,351 Java Jobs in London

Senior Java Architect - Payments Location: London (Hybrid) Contract: 6 Months Initial Pay Rate: £550-£600 - Outside IR35 About the Role We're supporting a global financial services organisation undergoing a significant banking transformation programme. As part of this journey, they are building next-generation banking capabilities and modernising core platforms … that support cross-border payments, settlement, reconciliation, and banking operations. We are seeking an experienced Java Engineering Architect to provide technical leadership across backend engineering, architecture, and delivery. This role will play a key part in shaping modern banking platforms built on cloud-native technologies, microservices, event-driven architecture ...

Senior Java Architect - Payments Location: London (Hybrid) Contract: 6 Months Initial Pay Rate: £550-£600 - Outside IR35 About the Role We're supporting a global financial services organisation undergoing a significant banking transformation programme. As part of this journey, they are building next-generation banking capabilities and modernising core platforms … that support cross-border payments, settlement, reconciliation, and banking operations. We are seeking an experienced Java Engineering Architect to provide technical leadership across backend engineering, architecture, and delivery. This role will play a key part in shaping modern banking platforms built on cloud-native technologies, microservices, event-driven architecture ...

approach, you’re comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. Key Responsibilities Design, develop, and maintain high-performance Java-based applications Integrate AI/ML models into production-grade backend systems Build RESTful APIs and microservices using modern Java frameworks Collaborate with data scientists … quality standards Work with cloud platforms to deploy AI-powered services Contribute to architecture decisions and technical roadmaps Design, develop, and maintain high-performance Java-based applications Integrate AI/ML models into production-grade backend systems Build RESTful APIs and microservices using modern Java frameworks Collaborate with data scientists ...

display and foster them,itsdeeply embedded within our DNA. Invest in us andwellinvest in you!. Job Description We are seeking an experienced Senior Java Engineer to join our UK Digital Data & Cloud Practice. Our Digital Practice is expanding rapidly and you will have the opportunity to achieve medium … career goals. You will be working for one of our high-profile trading clients within the financial services domain, contributing hands-on to a Java-based development team supporting a high-volume message processing environment. The team is heavily Java-focused, operating within a client ecosystem that relies extensively ...

Position Overview Senior Software Engineer – Jamf Insights Web Application (Hybrid, London, United Kingdom) What you’ll do Lead technology transition and build skills in a recognized tech company. Work on the web application that powers ...

hackajob is partnering directly with Version 1 to hire for this role. Company Description Version 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions ...

hackajob is partnering directly with Version 1 to hire for this role. Company Description Version 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions ...

Java Developer Algo Trading Leading London-based trading firm has an outstanding opportunity for a Java Developer to join their Algo Trading Strategy team. This will be building out a brand new greenfield trading platform. You will be 1 of 2 developers for this project. Our client … house with performance figures of 22%. They are currently looking to expand their high and intraday trading presence across FX and commodities. The Java Developer will: • Work closely with the Head of Trading and the Quant Team and assist in design and development of new trading algorithms, mainly ...

Senior Java Developer - Java/Spring/AWS - Remote - £60,000 - HealthTech/Tech for Good Senior Software Developer required for a HealthTech, tech-for-good business delivering software that supports patient care and rehabilitation across the healthcare sector. Salary: £60,000 Location: Remote (UK) Great benefits included This … genuine opportunity to work on technology with real, measurable impact on people's health outcomes. Key Responsibilities: Design and develop software features using Java, AWS and PostgreSQL Write clean, maintainable, well-tested code Participate in code reviews and QA processes Troubleshoot and resolve client-reported issues Contribute to technical documentation ...

help insurers, reinsurers, brokers, and MGAs modernize operations, enhance underwriting and claims capabilities, and accelerate digital transformation using data, analytics, and advanced platforms. Java Software Engineer – AI Enabled Engineering · UK We are seeking a skilled Java Software Engineer with a growing interest and demonstrated exposure to AI/ML integration. … This role is primarily Java-centric — you will design and build cloud-native microservices on our BPA (Beyond Policy Administration) platform — with the expectation that you actively apply AI tooling and patterns to accelerate delivery, improve code quality, and contribute to our emerging AI-driven product features. The right candidate ...

experience as a Technical Architect, Lead Developer, or Solution Architect. Expertise in cloud platforms (AWS, Azure, or GCP). Hands-on experience with Node.js, Java, and/or Python. Knowledge of microservices, serverless, APIs, DevOps, Docker, Kubernetes, and IaC. Understanding of GDS standards, security-by-design, and public sector delivery. ...

Financial Services or Capital Markets background. Experience creating and delivering comprehensive Test Strategies and Test Plans. Excellent SQL skills. Strong automation experience using: Selenium Java UFT Experience using: Azure DevOps ALM (Application Lifecycle Management) Experience with: CREST settlement systems CREST proprietary messaging SWIFT messaging ISO15022/ISO20022 messaging Windows UNIX ...

Financial Services or Capital Markets background. Experience creating and delivering comprehensive Test Strategies and Test Plans. Excellent SQL skills. Strong automation experience using: Selenium Java UFT Experience using: Azure DevOps ALM (Application Lifecycle Management) Experience with: CREST settlement systems CREST proprietary messaging SWIFT messaging ISO15022/ISO20022 messaging Windows UNIX ...

growth by raising automation levels, and helping us engineer a world‐class money transfer product. What do you need? Engineering Expertise: Professional experience with Java or other JVM‐based languages, including the Spring framework. Experience building and designing scalable web applications that handle large amounts of traffic - ideally using React ...

such an environment is preferred. Deep expertise in Microsoft .NET technologies and C#. Strong proficiency in one or more additional languages such as Java, Python, Rust, or JavaScript. Experience developing back-end applications. Experience with Microsoft Azure services and cloud-based application development. Strong experience with relational databases and data ...

software engineering and system design background Experience delivering enterprise applications using AWS, Azure or GCP Strong engineering experience with technologies such as Python, SQL, Java, .NET or JavaScript Experience working with modern enterprise data technologies such as Snowflake and/or Databricks Good understanding of enterprise data platforms, data architecture ...

money, accelerating product growth by raising automation levels, and helping us engineer a world-class money transfer product. Qualifications Engineering Expertise: Professional experience with Java or other JVM-based languages, including the Spring framework. Experience building and designing scalable web applications that handle large amounts of traffic - ideally using React ...

considered an advantage.* Previous experience in Technical Sales of Observability, Monitoring, APM, RUM, SIEM is desirable.* Proficiency in coding with high-level programming languages (Java, Go, Python) - advantage* Candidates should have hands-on experience and the ability to integrate these technologies into customer environments, providing tailored solutions that meet diverse ...

certification on software engineering concepts and advanced applied experience Hands-on practical experience delivering system design, application development, testing, and operational stability Advanced Java and Typescript experience Demonstrated experience leading effective use of enterprise-authorized AI-assisted software development tools within the work environment (e.g., for coding, code review, test ...

backend or distributed systems engineering Strong experience designing and building microservices-based architectures Proficiency in at least one modern backend language (e.g., Go, C++, Java, Python, or similar) Experience designing and implementing APIs (REST and/or gRPC) Deep understanding of distributed systems concepts (consistency, availability, partition tolerance, etc.) Experience ...

fast‐paced enterprise environment. Programming Core: Deep expertise in Apex and JavaScript (ES6+), with strong roots in Object‐Oriented Programming (such as Python, Java or C#) an advantage. Front‐End & UI: Extensive hands‐on experience building modern UI components with Lightning Web Components (LWC) and Aura. Integrations: Proven track record ...

experience in full stack development, with strong proficiency in modern front-end frameworks (e.g., Angular, React, Flutter, Dart) and back-end technologies (e.g., Java, Spring Framework, Oracle, MongoDB, SQL). Strong understanding of REST APIs, cloud platforms, DevOps practices, and modern software development lifecycle processes. AI Agentic process engineering & skills ...

Computer Science, Engineering, Maths, Physics). Coding Aptitude :3+ years ofprogramming experiencein Rust orC++ and the willingness to learn new languages quickly.Withtheexpectation tocontributeacrossRust/Java/C++/Pythoncodebases asrequired. Experience with Linux development : Experience with using Linux and developing software running on Linux. Experience with virtualisation and containers ...

production-impacting projects. Minimum Qualifications Proven experience as a backend internet services software engineer in a high-level language such as Golang (preferred), C++, Java, or Python. Successful track-record and proven experience of leading projects from design to launch, using business needs to determine velocity and scope. Deep understanding ...

such an environment is preferred.Essential Technical SkillsDeep expertise in Microsoft .NET technologies and C#.Strong proficiency in one or more additional languages such as Java, Python, Rust, or JavaScript.Experience developing back-end applications.Experience building and supporting core business applications, shared services, frameworks, or reusable libraries within a complex enterprise environment.Experience with ...