1 to 25 of 117 Permanent REST Jobs in London

a basic understanding of JUnit for testing and cloud platforms . Key Responsibilities: · Design, develop, and maintain backend services using Java and Spring Boot · Build and maintain microservices and REST APIs · In-depth experience in building RESTful APIs and microservices using Spring Boot. · Proficient in using Spring Boot starters, auto-configuration, and Spring Security. · Integrated Spring Data JPA with Spring 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 ❯

Front-end JavaScript frameworks like Angular & React - Traditional Relational Database technologies like Oracle, MS SQL Server and - No SQL Databases like MongoDB or DynamoDB - SOA & Microservices architecture implementation using REST APIs, queue-based messaging patterns, exposure to Mulesoft/Kong is a plus - On-premise/cloud-based infrastructures, SDLC pipelines, and deployments/configurations and definition/evangelism of More ❯

on both frontend (React) and backend (Node.js, Go) components Improve DevOps practices, CI/CD pipelines, and cloud infrastructure (AWS) Contribute to intuitive user interfaces and robust APIs (GraphQL, REST, gRPC) Help drive integration with LLMs and hybrid AI systems Participate in architecture discussions, code reviews, and agile ceremonies What We’re Looking For: Strong experience in full-stack development More ❯

and OOP principles. Advanced hands-on knowledge of Selenium WebDriver , Cucumber , and BDD methodologies. Strong understanding of CI/CD practices , with experience using Jenkins . Experience in testing REST/SOAP web services , APIs, and microservices. Proven ability to conduct performance testing using JMeter . Proficiency with AWS infrastructure and enterprise test environments. Familiarity with the Utilities industry . 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 ❯

performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical direction Build, integrate, and maintain REST APIs and backend services Champion best practices in software quality, CI/CD, observability, and DevOps Collaborate with cross-functional teams including Product, QA, and DevOps Optionally take on people More ❯

collaborative and agile environment where autonomy and technical input are both valued and encouraged. What you’ll be working with: PHP (Laravel) and MVC frameworks MySQL Backend API development (REST) HTML, CSS, JavaScript, Bootstrap Vue.js or similar JavaScript frameworks Azure DevOps, CI/CD pipelines Linux-based environments What we’re looking for: 3–6 years’ experience in a full More ❯

Application Development areas: " Expertise in application architecture using modern technologies such as cloud native development, 12 factor Apps, microservices, serverless, API management, Kafka, etc. " Deep knowledge of Microservices, Containers, REST APIs development, API Management tools (e.g. MuleSoft, Apigee), Kafka " Solution architect with broad expertise in wide range of digital technologies in areas of application platform development, web and mobile development More ❯

Application Development areas: Expertise in application architecture using modern technologies such as cloud native development, 12 factor Apps, microservices, serverless, API management, Kafka, etc. Deep knowledge of Microservices, Containers, REST APIs development, API Management tools (e.g. MuleSoft, Apigee), Kafka Solution architect with broad expertise in a wide range of digital technologies in areas of application platform development, web and mobile More ❯

of distributed systems and data structures and algorithms (DSA) 5+ years of professional backend development experience (preferably in the game industry) Solid experience with real-time networking, WebSockets, RPCs, REST APIs, gRPC, etc. Hands-on experience with matchmaking algorithms, player session management, and anti-cheat systems. Deep understanding of database systems, including SQL & NoSQL solutions (PostgreSQL, Redis, MongoDB, etc.). More ❯

in collaborating with agile development teams in reviewing application architecture, design and implementation against quality standards Solid experience in modern design patterns Expertise towards SOA & Microservices architecture implementation using REST APIs, queue-based messaging patterns, relational and NoSQL databases Working knowledge of Machine learning model integration and MLOps pipelines. Working knowledge of orchestration for AI services. Working knowledge of on More ❯

understanding of JSF (JavaServer Faces) and Spring, Spring Boot, Angular UI frameworks. Strong experience in Velocity templates, iBatis or myBatis, GIT, Jenkins Experience in developing and consuming web services (REST/SOAP). Strong knowledge of database concepts and experience working with DB2. Familiarity with Azure cloud services and deployment practices. Proficient in writing efficient SQL queries and optimizing database More ❯

skills Exporure to streaming, messaging or event driven architecture You'll have an advantage if you have experience on: Messaging technologies, such as Kafka or SNS/SQS HTTP, REST or other API technologies (we use OpenSpec or AsyncAPI) Modern DevOps mentality, frequent CI/CD release cycles, aware of the value of self service Knowledge of infrastructure as code More ❯

via web and hypermedia APIs Proficient in Web Technologies like HTML, CSS, JavaScript, React.js, Next.js and Node.js, and in event-driven and eventual consistency systems using Kafka, .Net, Java, REST APIs, AWS, Terraform and DevOps Nice to have:experience in data pipping and modelling using SQL, DBT, ETL, Data Warehousing, Redshift and Python, and ecommerce and mobile applications background Additional More ❯

within AWS Hands-on experience with AWS services, such as; ALB, S3, ElastiCache, IAM, CloudWatch, DynamoDb, EKS Knowledge and experience on Kubernetes is advantageous Experience in building scalable, distributed REST/HTTP-based microservices on hybrid cloud environments Experience with high concurrency applications, multithreading, low-latency, servers architectures Hands-on experience with Jenkins and establishing robust CI/CD pipelines 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 ❯

work. The role is fully remote with very occasional site visits required. Key focus: Designing, developing, and customising SuiteCRM modules, workflows, and plug-ins Building and maintaining API integrations (REST/SOAP) Troubleshooting, optimising performance, and ensuring data integrity/security Collaborating with analysts, QA, and UX teams to deliver robust solutions Requirements: 8 years' hands-on experience with SuiteCRM More ❯

Strong understanding of architecture, scalability, and delivering high-quality code. Desirables As a Software Engineer, can you... Bring 3+ years of professional engineering experience. Work with GraphQL, gRPC, or REST API design. Apply knowledge of relational databases such as MySQL or PostgreSQL. Demonstrate exposure to AI integrations or enterprise SaaS platforms. If you want to take ownership of your work More ❯

and is comfortable working across a polyglot environment, with experience in: Object Oriented Programming MVC Java frameworks (ideally Spring/Jakarta EE/Grails) Frontend: JavaScript, jQuery, HTML CSS REST web services ORM (e.g. Hibernate) Working knowledge of Linux MySQL or PostgreSQL You should also bring: Strong problem-solving and communication skills Ability to work independently as well as collaboratively More ❯

with varying skill levels and provide guidance through peer reviews Experience in Azure, including DevOps CI/CD processes, Service bus Architecture, Microservices, Functions, Web apps, IAC Experience developing REST API-driven mobile first web applications Experience of frontend application development, with a focus on React.js, Next.js and TypeScript Jira, Bitbucket, Git Flow, Confluence, Azure Devops, Azure App Centre, Service More ❯

successful candidates will have experience around Deployment, Debugging, Testing (TDD, BDD), Scaling and Monitoring scalable web applications as expected, using a wide variety of technologies such as Java, C#, REST, cloud services Google Cloud Platform (GCP, Azure, AWS) and SQL. Additionally, experience working within a microservice framework. Responsibilities: Inspections and carry out code and peer reviews to provide assurance of More ❯

with varying skill levels and provide guidance through peer reviews Experience in Azure, including DevOps CI/CD processes, Service bus Architecture, Microservices, Functions, Web apps, IAC Experience developing REST API-driven mobile first web applications Experience of frontend application development, with a focus on React.js, Next.js and TypeScript Jira, Bitbucket, Git Flow, Confluence, Azure Devops, Azure App Centre, Service More ❯

communication skills, both verbal and written in English. What will you be doing: Participate in the development of all ScanmarQED's cloud-based software Implement data-intensive web applications, REST services, and GraphQL in a microservice architecture Integrate and test data exchange and data processing modules with the applications. Develop reusable back-end components. Write Unit and Integration tests for More ❯