151 to 175 of 1,632 Java Jobs in London

experience (writing and optimising queries, working with schemas). Native mobile experience — iOS (Swift/Objective-C, CocoaPods) and/or Android (Kotlin/Java, Gradle), including building or maintaining native modules. In-app payments integration (Braintree, Stripe, or similar). Firebase (Crashlytics, Cloud Messaging/push, Remote Config, Analytics ...

operating scalable, resilient, production-grade backend systems and cloud-native services - Expert-level coding capability in modern programming languages such as Python, TypeScript, Java, Go, or similar, with the ability to personally contribute high-quality production code while guiding technical direction - Deep hands-on expertise building enterprise AI applications using ...

operating scalable, resilient, production-grade backend systems and cloud-native services - Expert-level coding capability in modern programming languages such as Python, TypeScript, Java, Go, or similar, with the ability to personally contribute high-quality production code while guiding technical direction - Deep hands-on expertise building enterprise AI applications using ...

means essential. Technical Skills & Knowledge Strong programming skills in Python and TypeScript, with experience of SQL and cloud-based development. Experience with C#, Java or other programming languages would be an advantage. A solid understanding of APIs, authentication, web services, data formats and relational databases. Experience developing internal applications, automations ...

software engineering principles. Experience with one or more modern technology stacks such as: JavaScript/TypeScript React/Next.js Node.js PHP/Laravel .NET Java Good understanding of APIs and system integrations. Experience working with relational databases such as PostgreSQL or MySQL. Understanding of Git version control and modern development ...

data handling and migration processes. Configuration Management/Scripting and Programming: Hands-on experience with scripting and programming languages such as Bash, Python, Core Java, and Scala. Previous work experience on Configuration management and using tools like Ansible, Chef, Puppet, AWS SSM, etc. Other Qualifications (OQs) Familiarity on-prem VMware ...

LLMs integration, fine-tuning and associated tools (e.g. LangChain, Agent frameworks).* Competency in at least one other programming language (e.g. C/C++, Java).* Experience going from POC to production-grade system.**Key Behaviours*** Curious Innovator: You stay up to date with frontier AI technologies and enjoy experimenting ...

4+ years of experience in software engineering and/or technology consulting Experience in at least two modern programming languages such as TypeScript, Python, Java or Go. Proven ability to architect, build and deploy complex agentic systems, including agent‐to‐agent communication Ability to build auditable agentic systems that ...

other containerisation technologies Proven Git proficiency, including collaborative branching workflows Proficiency in at least one major programming language (such as Ruby, Python, or Java) Experience employing AI tools throughout the development lifecycle to speed up problem-solving and delivery Experience testing with RSpec Preferred Knowledge/Experience: Experience with Ruby ...

security role. Proven experience conducting security design reviews and threat modelling. Strong understanding of AWS security architecture and cloud security best practices. Experience securing Java-based microservices and distributed systems. Knowledge of modern authentication and authorisation patterns (OAuth2, OIDC, JWT, etc.). Experience assessing API security risks and controls. Strong ...

highly proficient in administering both Linux and Windows, and have practical, enterprise-level experience supporting IIS/.NET applications as well as Java Spring Boot services. You have built and maintained CI/CD pipelines (primarily GitHub Actions; Bamboo experience a plus) with DevSecOps principles baked in—integrating security scans ...

focus on their managed Kubernetes and Serverless offerings.* Automation & Code: Proficiency in Terraform, Helm, and YAML. Ability to read/write code in Go, Java, or Node.js to assist with microservices troubleshooting.* Business Acumen: Ability to explain the business impact of "MTTR" and "Deployment Frequency" to executive stakeholders.* Education: Bachelor ...

/CD, modern SDLC, TDD, and code review. Data: Working with relational, columnar, and vector stores, grounded in sound data-modelling principles. Languages: Python, Java, TypeScript/JavaScript, SQL, and relevant AI SDKs. Mentoring: Developing skills in mentoring engineers through pair programming and day-to-day collaboration. Communication: Clear written ...

right task, you can expect to work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript/TypeScript, Java, C#Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NETCloud platforms: AWS, GCP, Azure CI/CD: Jenkins, GitHub Actions ...

instrumental in designing, developing, and implementing robust, scalable, and AI-enabled solutions across our platforms. The successful candidate will possess deep expertise in Java, Angular, microservices, and event-based architectures, combined with a proven ability to leverage agentic AI to create intelligent agents that solve complex business challenges. This … integrating advanced AI capabilities into our core engineering practices. Key Responsibilities: Design, develop, and maintain high-performance, scalable, and secure full-stack applications using Java, Angular, microservices, and event-based architectures. Lead the integration of AI capabilities into existing and new applications, focusing on creating and deploying agentic AI solutions ...

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 ...

JPMorganChase is seeking a Software Engineer III in London to own end-to-end delivery of secure, full stack features. You will design, implement, and operate services built on microservices, Kafka, and CI/CD ...

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 ...

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Equities Trading Technology ...

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 ...

foster them, it's deeply embedded within our DNA. Invest in us and we'll invest in you! Job Description As an Intermediate Java Software Engineer, you will be part of a cross-functional team, working on developing high-quality, maintainable software solutions to meet our clients' needs. You will … contribute to process improvements, while also taking ownership of key tasks and responsibilities within the project. You will use programming languages such as Java and associated frameworks (e.g., Spring/Spring Boot, JUnit, Hibernate, etc.) to develop software that aligns with client requirements. You will follow best engineering practices ...

Test Containers. Working knowledge of event/message brokers such as Kafka and MQ.Advanced JavaStrong experience in Object-Oriented Programming (OOP).Advanced knowledge of Java 17+ features and practical experience with Spring Boot. Skilled in developing RESTful services, including REST design principles, Swagger/OpenAPI, and Spring REST MVC. Proficient … building and delivering enterprise-grade Java applications. Hands-on experience with data structures, algorithms, concurrency, and multi-threading. Database ManagementStrong SQL knowledge with experience in relational databases such as Postgres. Working knowledge of object storage solutions, e.g., AWS S3.Familiarity with database version control tools like Flyway and Liquibase. Cloud ArchitectureExperience ...

Full Stack Java Developer - Active SC, Active NPPV3, Java, React & TypeScriptUp to £550 per day (Inside IR35) Remote6 Months We are looking for an experienced Full Stack Java Developer to join a large-scale digital programme, delivering modern applications within a microservices environment. Active SC Clearance is essential. Key Requirements … Strong experience developing full stack applications using Java (Spring Boot), React and TypeScript. Active SC Clearance - Must have. Proven experience working within microservices architectures, building scalable and maintainable solutions. Strong knowledge of PostgreSQL or other relational SQL databases. Hands-on experience with Docker and containerised application deployment. Experience applying Test ...