1 to 25 of 95 RESTful Jobs in London

Mandatory hands-on experience with React js , Redux (or similar state management libraries). Solid understanding of HTML5, CSS3, JavaScript (ES6+) . Experience with RESTful API design and integration. Familiarity with databases such as MySQL, PostgreSQL, or MongoDB. Experience with version control systems like Git. Strong understanding of object-oriented ...

Business Analysts, and Transformation Leads to deliver next-generation payments solutions. Key responsibilities Application Development & Integration Design and develop Java-based backend services and RESTful APIs for payment processing, reconciliation, and message translation. Implement ISO 20022 (MX) to MT message transformation logic and related schema validation using XML/JSON ...

Design, and QA to deliver high-value solutions Design and optimise CI/CD pipelines to enable efficient, reliable software delivery Build and maintain RESTful APIs and distributed systems with a focus on scalability and performance Own complex technical challenges, from design through to production support and optimisation Promote ...

APIs, or platforms into software solutions. Domain experience in Recruitment Technology, HRTech, or closely related fields is a must. Proficient in software architecture, microservices, RESTful API design, and cloud-native development (AWS, Azure, or GCP preferred). Experience with CI/CD pipelines, automated testing, and DevOps practices. Solid grasp ...

enhance backend services using frameworks including .NET, Flask, and Django Develop user friendly front end interfaces with React, Angular or similar Create and maintain RESTful API’s, microservices, and integrations with third party systems Troubleshoot and debug issues across the stack Participate in code reviews Requirements: Experience working ...

development, APIs, and modern software engineering practices. Key Responsibilities Develop, test, and maintain applications using .NET/.NET Core/ASP.NET Design and implement RESTful APIs and microservices Write clean, scalable, and efficient code Collaborate with front-end developers, QA, and product teams Troubleshoot, debug, and upgrade existing systems Participate ...

blockers and solve systemic issues. Requirements Proven senior-level Java experience (Java 11+), including modern language features and best practices. Strong Spring Boot expertise (RESTful APIs, security, configuration, testing). Essential: scale up banking or financial services background within a regulated environment. Cloud-native experience (e.g., AWS/Azure/ ...

Troubleshoot and resolve performance and production issues Required Experience * Strong experience in Java development (Java 8+/Spring Boot) * Proven experience building microservices and RESTful APIs * Experience working in Agile delivery environments * Strong understanding of software engineering best practices * Experience with CI/CD pipelines and version control (e.g. ...

patterns to support high-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 ...

patterns to support high-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 ...

experience. Strong experience with Next.js, React, and TypeScript. Strong advocate for and power user of LLM-enabled development tools such as Claude Experience building RESTful and/or GraphQL APIs. Understanding of server-side rendering (SSR), static site generation (SSG), and modern frontend performance optimisation. Experience with SQL and/ ...

innovative solutions. Key Skills & Experience: Proven senior-level Java experience (Java 11+) including modern language features and best practices Strong expertise in Spring Boot (RESTful APIs, security, configuration, testing) Banking or financial services background within a regulated environment Cloud-native experience (AWS/Azure/GCP) Containerisation (Docker) and orchestration ...

Design, build, and maintain a React/TypeScript trading UI, delivering real-time streaming data and a seamless user experience Integrate the UI with RESTful and streaming APIs (built in Rust and Python) Own performance improvements across dashboards, widgets, and live data visualisation Collaborate with QA and DevOps to enhance ...

engineering experience Strong proficiency in Python (3.10+) with deep understanding of async programming Experience with Poetry or similar Python dependency management tools Experience building RESTful APIs and micro-services Solid understanding of database design and optimisation (both SQL and NoSQL) Experience with graph databases (Neo4j preferred) or willingness to learn ...

working. Initially 6-9 months About the role: Experience with C#/.NET, other additional languages highly desirable ie Java, Python React/TypeScript RESTful API design Apache Kafka PostgreSQL Git/GitHub workflows Automated testing Experience with Kubernetes deployments; able to build CI/CD pipelines. Observability logs ...

fast-paced environment. Essential skills and experience: Strong background in C#/.NET, API development, and integration technologies Experience designing and delivering integrations using RESTful services, messaging, or service bus patterns Solid understanding of SQL Server, T-SQL, and database performance optimisation Experience working with Azure (Functions, Service Bus, Logic ...

/NoSQL databases. Proven experience working in fast-paced environments, ideally within trading, financial services, or high-frequency environments. Proficiency in developing RESTful APIs, microservices, and working with cloud-based architectures (AWS, GCP, or similar). Expertise in testing frameworks, CI/CD, and containerization technologies such as Docker ...

APIs. Develop and maintain SharePoint Online intranet structures including architecture, navigation, branding, and content design. Integrate SharePoint with internal systems and thirdparty platforms using RESTful APIs and Microsoft Graph. SharePoint Administration & Operations Administer both SharePoint SE (onprem) and SharePoint Online environments. Manage updates, cumulative patches and platform maintenance. Monitor performance ...

security, and resilience are critical. Key Responsibilities Design, develop, and maintain robust backend services using Java 9+ and the Spring Framework Build and enhance RESTful APIs and enterprise integration layers Contribute to microservices-based architectures with a focus on scalability and fault tolerance Collaborate closely with product owners, architects ...

hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput backend systems using Core Java and SpringBoot. Build and maintain RESTful APIs and microservices that power secure payment workflows. Work with XML-based messaging standards and protocols commonly used in financial transactions. Deploy, monitor, and scale applications ...

development and working within established microservices environments. 💼 What You’ll Be Doing Building and enhancing backend services using Java & Spring Boot Developing and integrating RESTful APIs Working as part of a collaborative agile team to deliver features end-to-end Troubleshooting, debugging, and supporting production deployments 🧩 What You’ll Bring ...

development. Understanding of ITIL principles (incident, change, problem). Exposure to DevOps, CI/CD, or structured testing and release methodologies. Knowledge of APIs, RESTful services, and authentication methods. ...

across Java, microservices, performance engineering, and distributed systems. Backend Engineering Build and optimize backend services using Java (Java 17+), Spring Boot/Micronaut Design RESTful APIs, asynchronous messaging systems, and microservices. Own performance, reliability, monitoring, and observability for critical services. Ensure high engineering standards: code quality, design reviews, testing ...

month contract Responsibilities Build and maintain .NET services powering a global payments platform Contribute to event-driven microservices running in Azure Develop and maintain RESTful APIs used by internal systems and external partners Collaborate with senior engineers on system design and implementation Write clean, maintainable, and well-tested code Participate ...

team Strong communication and stakeholder engagement skills Desirable Skills Experience with modern .NET versions Exposure to cloud platforms (Azure, AWS, or similar) Experience with RESTful APIs Familiarity with Agile/Scrum environments What's On Offer Salary of £50,000 - £70,000 depending on experience onsite role in London Opportunity ...