176 to 200 of 1,142 Permanent REST Jobs

Java Developer Minimum 6 years of work experience as a Java Developer Experience working at and with enterprise organisations Solid experience with Java and/or Kotlin, Spring Boot, REST, integration testing, and Microservices Database knowledge of Oracle, SQL, and/or NoSQL Knowledge of Google Cloud Platform (GCP) or Amazon Web Services (AWS). Kubernetes and Docker is a More ❯

Azure cloud services. Define and enforce comprehensive testing strategies (unit, integration, E2E) using Jest, Testing Library, Playwright, and champion TDD/BDD practices. Architect and implement scalable, secure APIs (REST, GraphQL), event-driven services (Kafka), and robust error handling. Advanced SQL (PostgreSQL), schema design, query optimisation, and NoSQL where appropriate; lead data modelling and migration strategies. Demonstrate expert knowledge and More ❯

with server-side languages and frameworks (e.g. Java/SpringBoot) Excellent knowledge with front-end languages and frameworks (e.g. typescript/react) Good knowledge of integration technologies (e.g. GraphQL, REST etc..) Experience in developing, debugging, and maintaining code with modern programming languages and database querying languages Solid understanding of agile methodologies such as CI/CD, Applicant Resiliency, and Security More ❯

integration platforms such as AWS, Azure, Power Automate, or MuleSoft composer Understanding of cloud services and architectures in AWS and/or Azure Familiarity with API design and management, REST/SOAP services, and event driven architectures Experience in documenting integration solutions, data flows, and technical specifications Strong problem-solving skills and ability to work in cross-functional teams Good More ❯

CD practices and platforms You have a demonstrable understanding of Service Oriented Architectures (SOA), as well as Micro-Services Architecture; You know JavaScript frameworks, MVC patterns and principles of REST APIs (OpenAPI), are second nature to you; Your knowledge of the Java platform exceeds our expectations; You have excellent communication and presentation skills in English; You are self sufficient as More ❯

strategy and product vision. Lead the development of high-performance web applications using Angular, .NET, and Azure services. Oversee the design and evolution of robust API layers (GraphQL and REST), ensuring consistency, discoverability, and strong contract boundaries across services. Champion DevOps culture by embedding CI/CD pipelines, automation, and observability into team workflows. Partner with UX and product teams More ❯

technologies, environment, and services (Application Gateway, Queues, Azure Function, B2C) Expert knowledge of best practices in back-end architecture, including performance, security and scalability Good experience with C#, JSON, REST APIs, JavaScript/TypeScript Demonstrated experience in leading development teams Working knowledge of Agile Scrum development methodologies Working knowledge of Azure Dev Ops. Domain knowledge in life-cycle assessment is More ❯

experience as a professional IBM RPG Developer Proficiency in RPG coding, using modern IDE (such as IBM Rationale Developer or VS Code) Experience integrating RPG applications with web services (REST/SOAP) Familiarity with APIs, JSON/XML parsing, and data transformation Strong experience with RPGLE (free and fixed format), including modern free-format syntax. Proficiency in IBM i (AS More ❯

and reusable code; you live TDD & BDD . Extensive knowledge of the backend software development lifecycle . Understanding of Kotlin (considered as an advantage). Solid understanding of Microservices , REST APIs and Event sourcing. Deep understanding of Java , Spring Frameworks, MongoDB and NoSQL. Decent understanding of and experience with CI/CD, AWS, Kubernetes and Docker. Experience working with agile More ❯

will be expected to have the following: 6+ years commercial experience with Java Good understanding of JVM (memory model, concurrency, data structures) Spring framework, Spring Boot Maven Knowledge of REST APIs & Microservices MongoDB JUnit and TDD Nice to haves: AWS Kotlin Git Pipelines Javascript, React Redis Knowledge of Linux Key Details Reporting to: CTO Hours: Full time Location London - Hybrid More ❯

will be expected to have the following: 6+ years commercial experience with Java Good understanding of JVM (memory model, concurrency, data structures) Spring framework, Spring Boot Maven Knowledge of REST APIs & Microservices MongoDB JUnit and TDD Nice to haves: AWS Kotlin Git Pipelines Javascript, React Redis Knowledge of Linux Key Details Reporting to: CTO Hours: Full time Location London - Hybrid 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 ❯

lakes, streaming platforms MLOps Tools: MLflow, Kubeflow, DVC, model registries Architecture: Microservices, API design, event-driven architectures, serverless Programming: Python, and familiarity with other languages Containerization: Docker, Kubernetes Integration: REST APIs, message queues, ETL/ELT pipelines Key Competencies Strategic thinking and ability to align AI initiatives with business goals Problem-solving mindset with analytical approach to identifying AI opportunities More ❯

with full-stack web application development Experience with Java 1.8+ Experience with Spring components: Core, Boot, Data, MVC Experience with SQL Server, Oracle Experience with writing RESTful API interfaces (REST w/JSON) using Spring Boot for Microservices and Red Hat OpenShift Experience with highly complex application security requirements Experience with relational database design and modeling with SQL Server and More ❯

Bill Rate: $89/hour C2C Location: Washington, DC Duration: 12+ months/long-term Interview Criteria: Telephonic + Skype Direct Client Requirement Job Description: Advanced Web Application and REST API Development: Lead the design, development, and deployment of sophisticated web applications using .Net/C# and modern JavaScript frameworks such as React, Angular, or Vue.js. Develop and enhance web 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 ❯

migrating applications to AWS (Cloud) will be an added advantage 12. Knowledge of Cloud computing concepts (AWS) and using CI/CD tools 13. Familiar with extracting data from REST APIs 14. Strong problem-solving and troubleshooting skills with on call responsibilities 15. Oracle/Snowflake experience is a plus Note: If you are interested, please share your updated resume More ❯

Job Qualifications Bachelor's degree in Computer Science, Software Engineering, or a related field. 5+ years of hands on experience in Java J2EE development, with expertise in: EJB to REST conversion Spring framework WildFly or similar Java EE application servers Swing UI modernization to JS/TS web framework (preferably migrating to Svelte) Strong experience with SQL databases (PostgreSQL preferred More ❯

developing analytical reports from large data sets. Technical Skills: Strong scripting abilities in languages such as Python and Bash and C# a plus. Experience with protocols such as FIX, REST, SFTP, MQ and WebSocket APIs. Familiarity with SQL and relational databases. Experience with Windows/Linux operating systems and the command line. Familiarity with monitoring and alerting tools and concepts. More ❯

implement the middleware solutions including installation & administration, utilizing best practices & provide recommendations to optimize system performance using Mulesoft, messaging, cloud, and several integration technologies. Design, implement, & maintain APIs (SOAP & REST). Lead and liaise with the application development teams to build API capability, including security and policy management. Lead and assist with developing & maintaining a service/API registry. Perform More ❯

architecture role exposure. • Deep expertise with Angular (component architecture, NgRx/State mgmt, CLI, Ivy, DX). • Strong hands-on experience building and operating .NET Core microservices (C#, DDD, REST/gRPC, health checking, logging, tracing). • Proven Azure experience: compute, networking, storage, identity, monitoring, and IaC. • Practical knowledge of SwiftUI and Jetpack Compose architecture best practices and tradeoffs. • Exposure 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 ❯

Key Requirements: Strong experience in Java 8/11, Spring Framework, Spring Boot Frontend with JavaScript (Angular preferred) & Back End NodeJS Microservices development PostgreSQL or other relational DB experience REST APIs Exposure to CI/CD & DevOps (Git, Jenkins, Ansible) AWS experience (ECS, EKS, API Gateway, Serverless) Active SC Only Available immediately or 2-3 weeks' notice Based around Manchester More ❯

Some Retail or Supply Chain or Warehousing or Logistics related experience Required Bachelor's or Masters in Computer Science or Information Systems degree Required tech stack: .NET core 7+ (REST, DI, Entity Framework), SQL (any), Kafka Need 1 senior .Net Developer PERM Need 2 junior/medium .Net Developers PERM Aventura Florida Must speak clearly GC or USC Req US More ❯

a financial institution or other highly regulated industries. - 5+ years in Python, Ruby, PowerShell, Bash, C#, or Java - Proven experience with API design, service discovery, and communication patterns (e.g., REST, messaging queues) with a focus on data security. - Strong understanding of DevOps practices such as Continuous Integration/Continuous Delivery (CI/CD) and Infrastructure as Code (IaC - HashiCorp Vault More ❯