1 to 25 of 28 Permanent Java Jobs in the City of Westminster

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 ...

technologies across the Food & International Food team and, as part of our modernization drive, will be introducing new ones. The sorts of technologies include: Java, Micronaut, PL/SQL ReactJS, Next.js Azure Cloud, Dynatrace (observability) Mule, Kafka, MQ Blue Yonder Dispatcher Essential Experience Significant track record of strategic and innovative ...

stack engineering and system/application architecture. Prior experience in securities, financial services, or modern engineering-first organizations is a plus Strong proficiency in Java, Spring Boot, SQL, and the design of RESTful and streaming based APIs. Hands on experience delivering cloud native solutions, including microservices, containerization, and modern deployment ...

seeking the following: Hands-on AI development using modern tools and IDEs (e.g., Windsurf). Solid understanding of programming concepts and microservices Proficiency in Java with Spring. Experience with CI/CD, automated testing (JUnit/Spock), and containers (Docker). Familiarity with microservices, observability/telemetry (e.g., Splunk, AppDynamics ...

science or a related discipline, or equivalent work experience required advanced degree preferred Expert-level competency in one or more modern programming languages (e.g., Java, Go, JavaScript, Python). Proven expertise with modern build automation and CI/CD tools (e.g., GitHub Actions, GitLab CI/CD, Jenkins, Bazel, Gradle ...

Collaborate with internal stakeholders to solve and understand critical production issues Requirements Industry software engineering experience, preferably within financial services Proficient with C#, Python, Java or similar Good knowledge of database design and data structures Proficiency with SQL-related technologies Knowledge of AWS such as ECS, S3, DynamoDB is desirable ...

Security instincts. Sound secrets management and least‐privilege IAM as a default, not an afterthought. Polyglot comfort. You can read across Python, TypeScript, and Java well enough to unblock a build or debug a pipeline you don't need to own those apps, just keep them shipping. A bias ...

practical implementation and troubleshooting. JSON Web Tokens (JWT) and token-based authentication and authorisation. Identity Providers (IdPs) and enterprise identity and access management solutions. Java and development of secure, production-grade backend services. Git-based software delivery, including modern CI/CD practices. Kubernetes and containerised application environments. ...

Marks & Spencer Plc is seeking a Senior Software Engineer focused on backend development for our Customer Support and Contact Centre platforms. You will design, build and operate services that power CCaaS integrations with Zendesk, Twilio ...

degree in Engineering, Computer Science, a related field, or equivalent practical experience. 6 years of experience coding with one or more programming languages (e.g., Java, C/C++, Python). Experience troubleshooting technical issues for internal/external partners or customers. Preferred qualifications: Master's degree in Computer Science, Engineering ...

business needs into technical specifications. Technical confidence in evaluating system architectures, with the ability to provide 'Day 1' feasibility assessments. Demonstrated coding ability with Java or Python, and database knowledge with the ability to construct complex SQL queries. About the job As a Senior Product Deployment Engineer within gTech ...

Associate and Professional level) Security experience A keen interest in technology Have previously been hands on At least one software development language (Python, NodeJS, Java, .Net etc.) CDK, Typescript, Terraform An interest in mentoring and developing others Additional Information Why Version 1? At Version 1, we believe in providing ...

Lead Engineer in a high-growth, production-grade environment, ideally within fintech, challenger banking or a regulated digital business. Deep, hands-on expertise in Java and Spring Boot, with strong instincts for building scalable, resilient, distributed systems. Solid working knowledge of AWS, including compute, storage, networking and the operational considerations ...

business needs into technical specifications. Technical confidence in evaluating system architectures, with the ability to provide 'Day 1' feasibility assessments. Demonstrated coding ability with Java or Python, and database knowledge with the ability to construct complex SQL queries. Responsibilities: Partner with regional product leads and sales to assess customer marketing ...

effectively with both technical and non-technical stakeholders. Someone who empowers teams, removes obstacles and creates clarity. Our Tech Stack React, Next.js and TypeScript Java and Kotlin Python Swift GraphQL Azure What’s In It For You Working at M&S means being part of something bigger - helping to deliver ...

Experience working with language models like LLM's APIs and optimizing their usage for specific applications. Experience with the following programming languages: Python, C++, Java, R, SQL Strong written & verbal communication skills and ability to communicate complex technical concepts to non-technical stakeholders Strong client-facing skillsets in a consulting ...

expertise in domain. Bachelor’s degree or equivalent practical experience. 8 years of experience in full-stack software development using languages such as C++, Java, Kotlin, and Typescript. 3 years of experience with front-end frameworks, full-stack development, or API development. 1 year of experience with software design, architecture ...

advise customers, lead technical consultations, and help design scalable data integrations for measurement implementations across enterprise advertising clients. Role requires strong coding ability in Java or Python and SQL, plus experience translating business requirements into technical specifications for complex architectures and data activation #J-18808-Ljbffr ...

experience. 7 years of experience troubleshooting technical issues for internal/external partners or customers. Experience in either system design or reading code (e.g., Java, C++, or Python). Preferred qualifications: Master’s degree in Business, Statistics, Mathematics, Economics, Engineering or Applied Science, or a related field. 10 years ...

technical direction. 3 years of experience working in an organization involving cross-functional, or cross-business projects. Experience working with program languages such as Java and Kotlin. Responsibilities: Manage a team of software engineers as a Tech Lead Manager (TLM). Review and contribute to technical design documents, ensuring code ...

Services. Build full-stack applications and internal engineering tools, including backend services, APIs, automation layers, and user-facing interfaces using technologies such as Python, Java, React, or Angular. Engineer scalable solutions that support central operational use cases such as self-service tooling, operational dashboards, alert enrichment, incident reduction, service recovery … Computer Science, Engineering, or a related technical discipline, or equivalent practical experience. Strong full-stack development experience, with hands-on expertise in Python and Java for backend or service-layer engineering. Strong working knowledge of front-end development using React or Angular, including building interfaces for operational or engineering ...

Morgan Hunt UK Limited is partnering with a government organisation to appoint a Senior Full Stack Java Developer on a 6-month contract, with a strong likelihood of extension. The role involves developing modern cloud-native applications using Java 21, Spring Boot, and front-end tech, within an Agile team. ...

hackajob is partnering directly with BNY Mellon to hire for this role. We're seeking a future team member for the role of Java Full Stack Engineer with AI-driven development exposure to join our Conventional Trust Platform team. This role is located in London . In this role … make an impact in the following ways: Define and execute the enterprise Java full stack technology strategy, aligned with business transformation goals. Champion AI driven development practices (e.g., AI-assisted coding, automated testing, remediation, and code quality). Drive modernization initiatives including cloud migration, microservices, event-driven architectures ...

hackajob is partnering directly with Solirius Reply to hire for this role. About Us: Solirius Reply delivers technical consultancy and application delivery to our clients in order to solve real world problems and allow our ...

applications and services. Proven experience managing a team of engineers across global locations. Extremely proficient in Python and an object-oriented language such as Java or C/C++. Skilled in implementing data visualizations using Tableau, Dash, or Power BI. Familiarity with Scala, Java, and/or kdb/Q. ...