1 to 25 of 113 REST Jobs in the City of London

JavaScript frontend framework Supporting production applications, ideally at scale Modern software development tools and processes such as Git, CI/CD pipelines and automated testing Developing, documenting and maintaining REST APIs AWS services such as IAM, Lambda, RDS, S3, and CloudFront Database technologies, schema design and SQL System design for modern web applications Eligible for security clearance Nice to Have More ❯

JavaScript frontend framework Supporting production applications, ideally at scale Modern software development tools and processes such as Git, CI/CD pipelines and automated testing Developing, documenting and maintaining REST APIs AWS services such as IAM, Lambda, RDS, S3, and CloudFront Database technologies, schema design and SQL System design for modern web applications Eligible for security clearance Nice to Have More ❯

in Microsoft Azure services: API Management, Service Bus, Logic Apps, Azure Functions WebApps, Storage, Networking, Security (RBAC, OAuth, SAML) Solid software development experience with: C# (.NET/.NET Core) REST APIs, SQL Server (T-SQL), HTML/CSS/JavaScript/React, Python Comfortable with tools like Azure Data Factory , Databricks , Power Automate , Power Platform , Copilot Studio . Strong knowledge More ❯

re Looking For: Strong Python developer with experience in multithreaded programming and frameworks like Flask. Comfortable in Linux environments, familiar with SQL databases. Knowledge of APIs and modern protocols (REST, HTTP, JSON). Experience with CI/CD tools and version control (Git, Jenkins, GitHub Actions, etc.). Familiar with automated testing libraries (Pytest, Google Test). Strong communicator, able More ❯

re Looking For: Strong Python developer with experience in multithreaded programming and frameworks like Flask. Comfortable in Linux environments, familiar with SQL databases. Knowledge of APIs and modern protocols (REST, HTTP, JSON). Experience with CI/CD tools and version control (Git, Jenkins, GitHub Actions, etc.). Familiar with automated testing libraries (Pytest, Google Test). Strong communicator, able More ❯

pipelines • Broad knowledge & practical expertise in front-end technologies including JavaScript, TypeScript, React, and Node.js. • Strong understanding of Advanced Typescript concepts (e.g. Generics, Mapped & Utility types etc.) • Knowledge of REST APIs and tools for testing API endpoints. • Understanding of Agile software development methodologies and shift-left testing practices. • Required experience in Design & developing automated tests for frontend and backend services More ❯

pipelines • Broad knowledge & practical expertise in front-end technologies including JavaScript, TypeScript, React, and Node.js. • Strong understanding of Advanced Typescript concepts (e.g. Generics, Mapped & Utility types etc.) • Knowledge of REST APIs and tools for testing API endpoints. • Understanding of Agile software development methodologies and shift-left testing practices. • Required experience in Design & developing automated tests for frontend and backend services More ❯

Proven experience with: Java 11+/Spring Boot/Spring Cloud Microservices and containerisation (Docker, Kubernetes, OpenShift) Cloud platforms (AWS, Azure, or GCP) Messaging and integration technologies (Kafka, ActiveMQ, REST, GraphQL) Databases (SQL and NoSQL) Familiarity with enterprise integration patterns and secure system design. Experience working in Agile/DevOps environments . Strong understanding of security principles and data protection More ❯

Proven experience with: Java 11+/Spring Boot/Spring Cloud Microservices and containerisation (Docker, Kubernetes, OpenShift) Cloud platforms (AWS, Azure, or GCP) Messaging and integration technologies (Kafka, ActiveMQ, REST, GraphQL) Databases (SQL and NoSQL) Familiarity with enterprise integration patterns and secure system design. Experience working in Agile/DevOps environments . Strong understanding of security principles and data protection More ❯

insurance journey, leveraging modern technology, intuitive design, and deep industry insight to deliver standout experiences – particularly in the automotive and mobility sectors. Responsibilities: Designing and developing backend services and REST APIs using Kotlin and Java Building and integrating front-end interfaces using React.js, TypeScript & PostgreSQL Creating and maintaining AWS Lambda functions and infrastructure using Terraform Collaborating closely with product, design More ❯

insurance journey, leveraging modern technology, intuitive design, and deep industry insight to deliver standout experiences – particularly in the automotive and mobility sectors. Responsibilities: Designing and developing backend services and REST APIs using Kotlin and Java Building and integrating front-end interfaces using React.js, TypeScript & PostgreSQL Creating and maintaining AWS Lambda functions and infrastructure using Terraform Collaborating closely with product, design More ❯

Python, particularly building multithreaded applications with Flask, and experience in integrating with relational databases (SQL). Comfortable developing in Linux-based environments. Familiarity with modern APIs and protocols like REST, HTTP, and JSON, as well as containerization tools such as Docker. Effective communicator, capable of producing technical documentation and sharing regular progress insights. Previous involvement in Agile projects, using tools More ❯

Python, particularly building multithreaded applications with Flask, and experience in integrating with relational databases (SQL). Comfortable developing in Linux-based environments. Familiarity with modern APIs and protocols like REST, HTTP, and JSON, as well as containerization tools such as Docker. Effective communicator, capable of producing technical documentation and sharing regular progress insights. Previous involvement in Agile projects, using tools More ❯

custom MVC frameworks. Solid architecture and design skills for complex, scalable applications. Expertise in relational database schema design and optimization (MySQL). Proficiency with Git workflows, LAMP stack, and REST API integrations. Strong knowledge of HTML5, CSS (specificity, inheritance, positioning), JavaScript, AJAX, and DOM manipulation. Experience with unit/functional testing and Docker containerization. Excellent problem-solving and critical thinking More ❯

maximum performance. Key Skills & Experience Strong commercial experience with React, TypeScript, Java, and Spring Framework . Proven track record of delivering fullstack applications in agile environments. Solid understanding of REST APIs, microservices, and cloud deployment (AWS/Azure/GCP a plus). Experience with CI/CD pipelines, Git, and modern development tooling. Strong problem-solving skills and ability More ❯

maximum performance. Key Skills & Experience Strong commercial experience with React, TypeScript, Java, and Spring Framework . Proven track record of delivering fullstack applications in agile environments. Solid understanding of REST APIs, microservices, and cloud deployment (AWS/Azure/GCP a plus). Experience with CI/CD pipelines, Git, and modern development tooling. Strong problem-solving skills and ability More ❯

these interfaces are easy to navigate, linkable, responsive and accessible. • Practical experience of test-driven development and constant refactoring in continuous integration environment. • Experience with HTML, CSS, Web Service (REST), Junit (or Selenium). • Working knowledge of OpenShift/Kubernetes, Docker & sHelm preferable. • Practical experience with build tools, source code control (preferably Git), and continuous integration. More ❯

these interfaces are easy to navigate, linkable, responsive and accessible. • Practical experience of test-driven development and constant refactoring in continuous integration environment. • Experience with HTML, CSS, Web Service (REST), Junit (or Selenium). • Working knowledge of OpenShift/Kubernetes, Docker & sHelm preferable. • Practical experience with build tools, source code control (preferably Git), and continuous integration. More ❯

in an Agile environment Experience working with Git on small to medium sized teams Experience with relational and NoSQL databases, including PostgreSQL, Couchbase, or Cassandra Experience designing and developing REST APIs for high volume clients Strong analytical, problem-solving/quantitative skills Ability to effectively communicate with internal and external business partners Bachelor’s degree in Computer Science, Engineering and More ❯

in an Agile environment Experience working with Git on small to medium sized teams Experience with relational and NoSQL databases, including PostgreSQL, Couchbase, or Cassandra Experience designing and developing REST APIs for high volume clients Strong analytical, problem-solving/quantitative skills Ability to effectively communicate with internal and external business partners Bachelor’s degree in Computer Science, Engineering and More ❯

commercial experience with Java 17+ . Deep knowledge of Spring Boot and microservice architecture. Proven hands-on experience with Kafka (or RabbitMQ, Pulsar, or similar). Strong understanding of REST APIs and integration patterns. Experience with cloud environments (AWS, Azure, or GCP). Good knowledge of CI/CD tools and containerisation (Docker, Kubernetes). Understanding of system design, distributed More ❯

commercial experience with Java 17+ . Deep knowledge of Spring Boot and microservice architecture. Proven hands-on experience with Kafka (or RabbitMQ, Pulsar, or similar). Strong understanding of REST APIs and integration patterns. Experience with cloud environments (AWS, Azure, or GCP). Good knowledge of CI/CD tools and containerisation (Docker, Kubernetes). Understanding of system design, distributed More ❯

Excellent problem-solving and communication abilities Preferred: Candidates with experience in Confluent Kafka and its ecosystem will be given preference: • Experience with Kafka Connect, Kafka Streams, KSQL, Schema Registry, REST Proxy, Confluent Control Center • Hands-on with Confluent Cloud services, including ksqlDB Cloud and Apache Flink • Familiarity with Stream Governance, Data Lineage, Stream Catalog, Audit Logs, RBAC • Confluent certifications (Developer More ❯

Excellent problem-solving and communication abilities Preferred: Candidates with experience in Confluent Kafka and its ecosystem will be given preference: • Experience with Kafka Connect, Kafka Streams, KSQL, Schema Registry, REST Proxy, Confluent Control Center • Hands-on with Confluent Cloud services, including ksqlDB Cloud and Apache Flink • Familiarity with Stream Governance, Data Lineage, Stream Catalog, Audit Logs, RBAC • Confluent certifications (Developer More ❯

8+ years of experience in full stack development. MongoDB & JPA: Proficient in database design, management, and optimization. GitLab: Strong knowledge of version control systems and CI/CD pipelines. REST API Services: Proficient in designing and consuming RESTful web services. Kafka: Skilled in implementing real-time data pipelines and messaging systems. Splunk: Expertise in monitoring, logging, and troubleshooting application performance. More ❯