1 to 25 of 32 Contract Microservices Jobs in London

building robust enterprise systems. What you'll be doing Develop enterprise applications using Java and Spring Boot Build and enhance RESTful APIs and microservices Design scalable, high quality software solutions Collaborate with Product, QA and Engineering teams Write clean, well tested, maintainable code Participate in code reviews and Agile ceremonies ...

Nexus, JIRA, Confluence, SonarQube, Veracode, and experience using Maven, Gradle, and NPM. Solid understanding of Test-Driven Development (TDD), CI/CD pipelines, and microservices architecture, complemented by a Computer Science degree (or equivalent knowledge of OOP and data structures), experience in Agile environments, exposure to banking/financial sector ...

multiple technology programmes. Essential Skills Application Security Secure Software Development Lifecycle (SSDLC) OWASP Top 10 Secure Coding Secure Design Reviews API Security REST APIs Microservices Security Application Security Risk Assessments Threat Modelling STRIDE MITRE ATT&CK Security Architecture Risk Assessments DevSecOps CI/CD Security GitHub Actions GitLab Jenkins Azure ...

Strong problem-solving and troubleshooting skills. Ability to work effectively within a collaborative Agile environment. Desirable Experience with Python . REST/SOAP APIs. Microservices and cloud-native development. Azure integration services. CI/CD and DevOps practices. Experience integrating legacy and modern systems. Experience working within large, complex ...

systems. Knowledge of reconciliation between legacy and target banking platforms. Experience working within UK financial services or another highly regulated banking environment. Familiarity with microservices, event-driven architectures and cloud-native platforms. Experience working with Jira, Confluence and Agile/Scrum delivery practices. Disclaimer: This vacancy is being advertised ...

Develop backend services, RESTful APIs, and integrations with internal and third-party systems. Build and enhance solutions using Spring Boot, Spring MVC, Hibernate, and microservices architectures. Work closely with Architects, Business Analysts, QA teams, Product Owners, and DevOps engineers throughout the development lifecycle. Participate in code reviews and promote coding … Stack Developer. Strong hands-on development experience with Java and object-oriented programming principles. Experience building applications using: Spring Boot Spring MVC RESTful APIs Microservices Strong understanding of relational databases and SQL. Experience working with databases such as MySQL, PostgreSQL, or Oracle. Experience using Git, Bitbucket, or similar version control ...

experience. Translate process requirements into BPMN/DMN models. Design workflow components, service tasks, user tasks, and integration points. Develop and deploy Camunda-based microservices using Java/Spring Boot. Optimize workflow performance, reliability, and error-handling strategies. Coordinate with business analysts, developers, and QA teams. Ensure documentation, code reviews ...

Anthropic Claude APIs Agentic AI LangChain LangGraph CrewAI Software Engineering Strong development experience with Python, JavaScript/TypeScript, C# or Java REST APIs and microservices Software architecture and engineering best practices Desirable Skills Experience with any of the following would be advantageous but not essential : Azure, AWS or Google Cloud ...

Agentic Development and is 2 days a week in London. Description This role is primarily Java-centric - you will design and build cloud microservices on the platform - with the expectation that you actively apply AI tooling and patterns to accelerate delivery, improve code quality, and contribute to our emerging ...

Agentic Development and is 2 days a week in London. Description This role is primarily Java-centric - you will design and build cloud microservices on the platform - with the expectation that you actively apply AI tooling and patterns to accelerate delivery, improve code quality, and contribute to our emerging ...

closure. Financial event streams and downstream accounting/reporting. Reconciliation between legacy and target banking platforms. UK financial services or other regulated banking environments. Microservices, event-driven and cloud-native architectures. Jira, Confluence and Agile/Scrum. Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced ...

cloud-native engineering AWS ECS Docker/containerisation Terraform and/or CloudFormation Event-driven or event-sourced architecture AWS SNS and SQS Microservices/distributed systems SQL Server CI/CD and automated deployment Most importantly, we're looking for engineers who have personally delivered this type of migration ...

with cross-functional Agile teams to translate complex business requirements into reliable, secure, and scalable software solutions. If you are passionate about backend engineering, microservices, and writing clean, efficient code in a fast-paced environment, we want to hear from you! What You Will Do Develop & Innovate: Design, build, test … Owners, QA, and DevOps engineers throughout the software development lifecycle. Write Clean Code: Translate technical requirements into efficient, maintainable code using Spring Boot and microservices architectures. Ensure Quality: Participate in code reviews, unit testing, debugging, defect resolution, and production troubleshooting to ensure application stability. Drive Delivery: Actively participate in Agile ...

influencing technical strategy and engineering best practices. Key Requirements 7+ years of Java backend development experience. Advanced expertise in Java, Spring Boot and microservices architecture. Strong experience designing and developing REST APIs and distributed systems. Experience with Oracle, SQL/NoSQL databases and data modelling. Experience with Kafka, RabbitMQ … will be comfortable leading the design and delivery of enterprise-scale backend systems, resolving complex technical challenges, and driving engineering excellence across modern Java microservices environments. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying ...

Back End Developer £500-£540 per day | Outside IR35 Java | Spring Boot | Secure Microservices Location London (MOD site) Working Pattern 4 days per week onsite Clearance Current DV Security Clearance required Background MOD/Defence experience required The Opportunity We're looking for an experienced Back End Developer to help … build the core services behind a next-generation Defence Intelligence platform. You'll develop secure, scalable microservices and APIs that support mission-critical operational workflows, working within a highly secure environment alongside multidisciplinary engineering teams. This is an excellent opportunity to contribute to the delivery of innovative digital capabilities supporting ...

government environment Required Experience: Strong commercial experience developing with TypeScript Good understanding of software development principles and design patterns Experience working with APIs, microservices and modern development practices Strong understanding of testing, debugging and version control Experience working within Agile/Scrum development environments Experience working within public sector, government ...

government environment Required Experience: Strong commercial experience developing with Kotlin Good understanding of software development principles and design patterns Experience working with APIs, microservices and modern development practices Strong understanding of testing, debugging and version control Experience working within Agile/Scrum development environments Experience working within public sector, government ...

Full Stack Developer to join their team. The role will be working development and implementation of applications used across trading. Requirements Java, Springboot, Microservices UI - Angular, Typescript, JavaScript - (open to react also) Kafka, MQ, FIX Protocol Investment Banking or Investment Management experience. AI Driven Development tools, Claude Code, Github Code ...

Knowledge Management, Service Validation and Continual Service Improvement. Experience working with multidisciplinary teams including DevOps, SRE, Engineering, QAT and Operations. Good technical understanding of microservices, APIs, integrations and event-driven architectures. Understanding of CI/CD, monitoring, resilience, security and live-service support. Experience managing service acceptance, transition risks ...

Ensure NFRs (scalability, resilience, security, compliance) Lead design workshops and manage architecture roadmap Primary Skills: Solution architecture & HLD design Event-driven architecture (Kafka, streaming) Microservices, APIs, cloud (AWS/Azure) Payments domain (SEPA, SWIFT, Faster Payments, ISO 20022) Secondary Skills: TOGAF/architecture governance CRM (Dynamics), billing, monitoring systems Cross ...

scalable backend services using Java and/or C# . Build modern, responsive user interfaces using ReactJS . Develop and support RESTful APIs and microservices . Design, optimize, and maintain database solutions using Oracle and Couchbase . Implement and support event-driven architectures using messaging platforms such as Kafka , ActiveMQ … C# (experience in both is highly desirable). Strong frontend development experience with ReactJS . Proven experience building and supporting REST APIs and microservices . Experience working with relational and NoSQL databases, particularly Oracle and Couchbase . Experience with messaging and event-driven technologies such as Kafka , ActiveMQ , or AmazonMQ ...

IR35. This Python Developer role does require current and transferable SC Clearance. The key skills required for this Python Developer position are: Python Terraform Microservices CI/CD If you do have the relevant experience for this remote Python Developer position, please do apppy. ...

Back End Java Back End app development and building resilient, scalable, high performing enterprise applications. Expertise in messaging and event driven architecture, API development, Microservices and performance optimisation. The roles will be mainly remote but you will need to be on the client site 2 days a week ...

volume and endurance/soak testing. Knowledge of API testing tools such as Postman and REST-based services. Experience working with modern cloud and microservices-based environments. Understanding of CI/CD pipelines and test automation practices. Ability to analyse performance results and communicate findings to technical and non-technical ...

testing methodologies and industry-standard monitoring tools. Strong stakeholder management skills, working with CTOs, Enterprise Architects, and senior leadership. Knowledge of cloud-native architectures, microservices, and large-scale distributed platforms. Excellent analytical, problem-solving, and technical decision-making capabilities. Your Responsibilities: Define and govern the end-to-end performance strategy ...