1 to 25 of 108 REST Jobs in London

expertise in Python and proficiency in at least one additional language. Proven experience building GUI applications using frameworks such as PyQt5 or PySide. Hands-on experience with Django (ORM, REST framework, views, templates). Strong background in React and modern front-end development (Redux, Hooks, etc.). Experience working with Git, Docker, and cloud environments (AWS, Azure, or GCP). More ❯

Development Solid software engineering background with proficiency in Python, JavaScript/TypeScript, Java, or Go Experience with modern frameworks (React, Node.js, Django, FastAPI) Knowledge of microservices architecture, API design (REST, GraphQL) Experience with containerization (Docker, Kubernetes) and cloud-native development patterns DevOps & SRE Practices Experience implementing CI/CD pipelines and DevOps methodologies Knowledge of infrastructure monitoring (Datadog), log aggregation More ❯

BDD frameworks such as SpecFlow, Cucumber, or Reqnroll) Experience testing and validating structured data formats - XML, JSON, CSV, etc. Familiarity with XPath, JSONPath, and schema validation techniques Experience with REST API testing using tools or libraries such as Postman, Playwright API fixtures, or other HTTP client frameworks Knowledge of version control systems (eg, Git, GitHub, Azure Repos) Understanding of CI More ❯

Docker, Vagrant, Chef, Puppet, Selenium, etc as is a familiarity with Azure cloud services & setting up/managing resources/deploying apps. Experience with working with and developing multiple (REST) APIs, documented with Open API/swagger etc is also desirable as is other API messaging formats e.g. JSON, XML, SOAP This full stack developer role is offering a starting More ❯

Lead System Architect (PCLSA) certification is essential. In-depth knowledge of PEGA frameworks, including Customer Service, Decisioning, and Smart Disputes. Hands-on expertise in system integrations using SOAP/REST APIs, JMS, MQ, and Kafka. Comprehensive understanding of case management, decisioning capabilities, and the PEGA rules engine. Nice to have: Active Security Clearance (SC) Proven experience working within Agile delivery More ❯

heart of London. Ideally AI Tech Stack in play but not limited to and the client are open to new tech: CI/CD pipelines, Jira, Git, Confluence, Jenkins, REST API testing, SNS, SQS, Kafka, AWS MSK, Code Rabbit, Cursor, Claude Code, Perl, JavaScript, C#. A great opportunity taking full ownership of the automation strategy. Designing, building, and scaling frameworks More ❯

heart of London. Ideally AI Tech Stack in play but not limited to and the client are open to new tech: CI/CD pipelines, Jira, Git, Confluence, Jenkins, REST API testing, SNS, SQS, Kafka, AWS MSK, Code Rabbit, Cursor, Claude Code, Perl, JavaScript, C#. A great opportunity taking full ownership of the automation strategy. Designing, building, and scaling frameworks More ❯

in Dynamics 365 CE configuration and customisation. Hands-on with Power Platform including Power Apps, Power Automate, Power BI, and Dataverse . Strong integration skills with Azure Logic Apps , REST/SOAP APIs , and KingswaySoft . Experience with CI/CD , DevOps , and GIT version control. Proficient in SQL , SSIS , and Azure Data Factory (ADF) . Working knowledge of Agile More ❯

hands-on experience in front-end engineering Strong expertise in React.js and modern JavaScript fundamentals Experience working with Python services or frameworks for back-end integration Solid understanding of REST APIs, microservices, and contemporary web architecture Experience in enterprise-grade or engineering tools environments A commitment to clean code, testing, and continuous delivery Confident communication skills and a proactive, ownership More ❯

the ability to present advanced technical topics and deliver tailored demos to different audiences Experience working in middleware technology, ideally within API management, IAM or integration Good knowledge of REST, JSON and XML Some scripting experience, ideally with Java or JavaScript/Python Hands-on experience with cloud providers (AWS, Azure, GCP) Ability to design deployment architectures (HA, DR, etc More ❯

Be Doing: Own architecture and technical decisions across squads; accountable for how software is built and shipped. Design and develop distributed, scalable microservices (C# .NET Core or Node.js) and REST/JSON APIs. Build modern React + TypeScript UIs with component-driven design, advanced state management, and reusable frameworks. Leverage AWS services (Lambda, API Gateway, SQS/SNS, Step Functions More ❯

independently Collaborative, but comfortable taking ownership Adaptable and eager to learn new tools and skills Degree-level education preferred Core Competencies (Must-Have) Full-Stack Development Build and maintain REST APIs, web applications, and reusable React components/services Strong Node.js + TypeScript skills, including modern ES6+ patterns Ability to assess, select, and integrate NPM packages with a focus on More ❯

the use of AI and automation to enhance productivity across the team. What experience do I need: Strong background building and scaling Python-based systems (FastAPI, Flask, or Django REST). Proven leadership experience in a development environment Solid expertise in microservices, APIs, messaging patterns, and distributed systems. Proficient with cloud platforms (AWS, GCP, Azure) and containerisation (Docker; Kubernetes preferred More ❯

paired programming, etc. Experience building scalable, distributed web applications in Scala (Java with Scala experience gained in personal projects may be considered) Experience of working with Microservices Experience with REST and asynchronous event driven programming Demonstrable experience in using automated testing solutions Problem solving skills: you will be able to logically break down a problem into smaller manageable parts to More ❯

switching, DNS, DHCP). Hands-on experience developing automation using Ansible and Python . Familiarity with Cisco NSO and YANG modelling or similar orchestration tools. Understanding of network APIs (REST/NETCONF) and data formats ( XML/JSON ). Experience integrating automation into CI/CD pipelines using Git-based workflows. Comfortable working in Linux-based environments (RedHat, CentOS, Ubuntu More ❯

switching, DNS, DHCP). Hands-on experience developing automation using Ansible and Python . Familiarity with Cisco NSO and YANG modelling or similar orchestration tools. Understanding of network APIs (REST/NETCONF) and data formats ( XML/JSON ). Experience integrating automation into CI/CD pipelines using Git-based workflows. Comfortable working in Linux-based environments (RedHat, CentOS, Ubuntu More ❯

Connectivity, Risk, GUI, Middleware, Middle Office. Deep understanding of fundamental computer science concepts. Experience with distributed caching technologies (GigaSpaces, Ignite, Coherence). Full-stack skills in Core Java and REST APIs. Practical knowledge of multi-threading, event-driven programming, and memory optimization. Strong problem-solving and analytical abilities. Knowledge of performance tuning techniques. Familiarity with enterprise SDLC tools like JIRA More ❯

applications + Experience building backend services/APIs in Go (or strong Go exposure alongside another typed backend language) Understanding of distributed systems design fundamentals and secure API design (REST and/or gRPC) Familiarity with Redis and MongoDB Experience with software engineering best practices (unit testing, code reviews, design documentation) Experience in applying SOLID principles and Test-Driven Development More ❯

contract. You'll work within a multidisciplinary team building secure, high-performance Back End services. Key Skills Strong commercial experience with Go (Golang) Additional experience with Java beneficial Microservices, REST APIs, distributed systems Secure development practices and familiarity with high-security environments Working knowledge of CI/CD and containerised environments (Docker/Kubernetes) Responsibilities Develop and maintain Go-based More ❯

experience across multiple types (functional, regression, integration). Desirable: Exposure to test automation tools (e.g., Selenium, Cypress, Playwright). Experience in API testing and tools such as Postman or REST Assured. Basic understanding of SQL and data validation. Familiarity with Agile/Scrum delivery environments. ISTQB Advanced Level Test Analyst/Test Manager certification (or equivalent). Please feel free More ❯

and development with Java-based technologies Experience in a senior developer or technical leadership role Strong, hands-on expertise with Java , Spring Boot , and microservices architecture Solid experience building REST APIs and working with containerisation tools such as Kubernetes or OpenShift Strong RDBMS skills and experience working with high-volume enterprise systems Front End development capability with Angular , JavaScript , and More ❯

and development with Java-based technologies Experience in a senior developer or technical leadership role Strong, hands-on expertise with Java , Spring Boot , and microservices architecture Solid experience building REST APIs and working with containerisation tools such as Kubernetes or OpenShift Strong RDBMS skills and experience working with high-volume enterprise systems Front-end development capability with Angular , JavaScript , and More ❯

Order Management) modules. Lead technical design sessions, establish architectural standards, and ensure alignment with enterprise IT strategy. Guide development teams in building robust workflows, integrations, and custom applications using REST/SOAP APIs and Integration Hub. Collaborate with business stakeholders, product owners, and cross-functional teams to translate business needs into scalable technical solutions. Architect integrations with ERP, CRM, and More ❯

cost-efficient operation. Exceptional communicator: Able to collaborate effectively across disciplines, engaging confidently with technical teams, product partners, and non-technical stakeholders. Technologies: Back-end: Java 21, Spring Boot, REST, Postgres/Jooq/Flyway, JUnit/TestContainers/Mockito, AWS (EC2, RDS, Cognito, S3, KMS), Containerization (Docker/kubernetes) Front-end: TypeScript, React, and Tailwind CSS Join a growing More ❯

databases • You have delivered software that is used by a large user base (thousands of users) • Well versed using Git/GitHub • Hands-on experience building and working with REST based APIs • Experience working with Docker, AWS • Experience utilising CI/CD tools for automating builds, tests and deployments • Good communication and teamwork skills, able to work remotely both independently More ❯