1 to 25 of 30 REST Jobs in Northern Ireland

code reviews Work on solutions that demand performance, resilience, and zero downtime What You'll Bring Commercial experience with Java, Spring Boot, Spring MVC , and related frameworks Understanding of REST API development , SQL/MySQL , and microservice architecture Familiarity with DevOps tools: Git, Maven, Jenkins , and containerisation (Docker/Kubernetes) Strong commitment to quality, clean code, and continuous delivery Excellent More ❯

Agile environment Demonstrable experience designing, developing and maintaining distributed, event-driven, cloud-native systems Expert in the latest versions of .NET Framework and .NET Core (C#) Experience in API (REST, GraphQL) design and development Experience in relational database design and optimization (MSSQL, MySQL, etc.) Experience in the deployment and management of cloud (AWS, Azure, etc.) assets Demonstrable understanding of the More ❯

of web application security Technical mentorship of less experienced engineers What you'll need: At least 6 years of experience as a Backend Software Engineer Experience designing and implementing REST APIs (Fast API) Experience working with SQL databases Practical knowledge of Linux (CLI, bash) Experience mentoring and leading engineering team Practical knowledge of modern web application deployment infrastructures Fluency in More ❯

example in engineering best practices, and support more junior developers within the team. Key Responsibilities Design and develop scalable, distributed systems using modern engineering principles Develop and maintain APIs (REST, GraphQL) and data integrations Contribute to the continuous delivery pipeline and cloud infrastructure Take ownership of key features, ensuring timely and high-quality delivery Support Agile delivery through active involvement More ❯

solutions clearly with cross-functional teams and leadership Required Skills & Experience: Extensive experience with Core Java, JEE technologies, and modern web frameworks Proven track record in designing and deploying REST/SOAP APIs using JSON and XML Hands-on experience with Kafka (setup, maintenance, stream processing) Proficiency with containerisation tools such as Docker and Kubernetes Strong working knowledge of RDBMS More ❯

dictate Demonstrated leadership and project management skills Consistently demonstrates clear and concise written and verbal communication Strong command on Java (Core, JDBC, MT, Collections, I/O), Spring Boot, REST, GraphQL web services Sound understanding of SQL/PL-SQL on Oracle DB Extensive working knowledge on container platform based on Kubernetes, Kafka, Redis Experience with Unix commands, shell scripting. More ❯

as RabbitMQ, Kafka Scripting languages - Groovy/Ruby/Python CI/CD Tools, automated testing, delivery (Teamcity, Jenkins etc) Knowledge of networking protocols UDP, TCP, HTTP Experience with REST, WebSockets Version Control – preferably Git Grails Framework JavaScript – Bootstrap/JQuery More ❯

Support, and Infrastructure teams. Required skills: Experience with the following technologies: Java (Core, JDBC, Collections, I/O) , Spring Boot ; Exposure to SQL/PL-SQL on Oracle DB REST web services Unix commands and Korn shell scripting; Familiarity with standard data structures and algorithms; Logical thinking, s trong analytical and problem solving skills; innovative and solutions oriented Effective time More ❯

frameworks for web and API testing. Familiarity with tools like Cypress, Playwright, Appium, or similar. In terms of the tech, our client works with TypeScript, Angular 18, PHP (Symfony), REST APIs, Node.js (Lambda), MySQL (Aurora), AWS, Kubernetes, Docker, with Kotlin/Java and Swift for mobile. Experience across a combination of these technologies, or a demonstrated ability to pick up More ❯

Integration/Continuous Delivery pipelines Working knowledge of modern architecture patterns e.g., microservices, containerisation Strong written, verbal and presentation skills Experience with some of the following tools: Selenium, Appium, REST Assured, SOAP UI, Serenity, SpecFlow, Cucumber, Jenkins, CircleCI, TeamCity, Docker, Kubernetes, Terraform, JMeter, Gatling A strong interest in implementing automation frameworks that cover API, web, mobile, console and desktop applications More ❯

frontend components and applications using React and TypeScript • Translate complex FinOps workflows into usable, intuitive interfaces in collaboration with product and backend teams • Design and optimize API interactions using REST and GraphQL • Champion frontend performance through techniques such as code splitting , lazy loading , and caching • Prioritize security , implementing best practices in frontend/backend data flows • Contribute to UI/… frontend applications with React , TypeScript , JavaScript (ES6+) , HTML5 , and CSS3 • Proven ability to create high-performance, responsive, and accessible interfaces for data-rich SaaS platforms • Expertise integrating APIs using REST and/or GraphQL • Experience with frontend build tools, testing frameworks, and CI/CD best practices • Passion for clean UI design, usability, and a user-first development approach • Strong More ❯

and timeframes requirements. Maintaining, tuning and repairing applications to keep them performing according to technical and functional specifications. Performing preventive maintenance activities Microservice and API development (RESTful, experience of REST design and implementation). Understanding API security protocols (OAuth 2.0/0penID Connect). Knowledge of Kubernetes, API managers and WebLogic. Experience with OpenShift Container platform, 3scale API and KeyCloak. More ❯

Deliverables, are applicable to this Role: Expert in Java development, with experience using industry-standard frameworks, e.g. Quark us/Spring Boot. Microservice and API development (RESTful, experience of REST design and implementation). Knowledge of kubernetes API managers and WebLogic. Experience with OpenShift Container platform, 3scale API and KeyCloak. Testing frameworks and TDD (like Cucumber or J unit). More ❯

influence without authority A pragmatic problem-solver who values collaboration, quality, and simplicity Nice to Have: Experience with design systems (Storybook, Figma tokens, etc.) Familiarity with back-end integration (REST/GraphQL APIs) Prior experience in mentoring, coaching, or managing other engineers Exposure to server-side rendering or edge rendering techniques Why Join? Remote-first culture across Northern Ireland — flexible More ❯

with the latest in cloud and AI-augmented development... let’s talk. 🧱 Tech you'll use: Python, JavaScript, Bash Node.js, React, Flask Docker, Kubernetes, AWS, Terraform Kafka, RabbitMQ, GraphQL, REST PostgreSQL, MongoDB, Redis, Elasticsearch AI-assisted development tools and workflows 🎯 What you'll do: Design and build production-ready applications from frontend to backend Ship scalable, secure APIs and data More ❯

Key Deliverables are applicable to this Role: Expert in Java development, with experience using industry-standard frameworks, e.g. Quarkus/Spring Boot. Microservice and API development (RESTful, experience of REST design and implementation). understanding of API security protocols Knowledge of Kubernetes, API managers and WebLogic. Experience with OpenShift Container platform, 3scale API and KeyCloak. Testing frameworks and TDD (like More ❯

internal knowledge bases and runbooks. Post Deployment Services. MINIMUM (ESSENTIAL) REQUIREMENTS : Experience working with Extend and/or Cloud technologies preferably AWS. Experience with working with web service technologies (REST, SOAP). Experience developing Extend applications. Strong development experience in working with Java/Node JS languages. Experience developing serverless AWS apps. Experience working with CI/CD pipelines. Experience More ❯

Working knowledge of modern architecture patterns e.g., microservices, containerisation, their suitability, complexities, and alternatives Strong written, verbal and presentation skills Experience with some of the following tools: Selenium, Appium, REST Assured, SOAP UI, Serenity, SpecFlow, Cucumber, Jenkins, CircleCI, TeamCity, Docker, Kubernetes, Terraform, JMeter, Gatling Evidence of contributions to open-source community A programming language or cloud certification Eligibility for UK More ❯

backend infrastructure that powers cloud intelligence at scale. Key Responsibilities • Design and build cloud-native services using Golang or Python • Develop scalable microservices and distributed systems • Build robust APIs (REST/GraphQL) and high-throughput backend components • Collaborate with fronted engineers (Vue.js) and data platform teams (Snowflake, Airflow) • Shape CI/CD pipelines and observability practices • Influence technical direction and … SaaS companies • Strong backend development experience with either: Golang , ideally with experience in Kubernetes-based systems • Proven experience in distributed systems and asynchronous architecture • Familiarity with scalable API development (REST/GraphQL) • Strong understanding of CI/CD and monitoring/logging best practices • Excellent collaboration and communication skills • Comfortable working in remote, distributed teams Bonus Points For • Experience with More ❯

Mentoring Junior Developers What You Bring Extensive experience as a backend or full stack engineer Strong skills in Java and Spring Boot Proven background in scalable microservices architecture and REST APIs Test-driven development mindset with attention to quality and security Experience with agile methodologies and continuous delivery Ability to work on-site 3 days a week as part of More ❯

Proven experience in a senior/lead engineering role within a high-scale, complex environment. Expert-level proficiency in Java , with strong knowledge of tools such as Spring, Hibernate, REST, Docker, Maven, Git, Jenkins, JUnit/TestNG/Mockito. Strong understanding of software engineering best practices across the full SDLC. A collaborative mindset with excellent communication and mentoring abilities. A More ❯

Qualifications Relevant work experience with a Bachelor's Degree, an Advanced Degree (e.g. Masters, MBA, JD, MD) ora PhD. Technical and Domain Expertise Experience in Java technologies, API (SOAP & REST), and web development; background in Payment Gateway, Card Payments, or Financial Services (e.g., merchant/partner portals, billing & reporting) is a plus. Proficiency in reviewing technical specifications, user requirements, and More ❯

/.NET Strong knowledge of WPF and SQL Solid understanding of clean architecture and design principles Confident communicator that can work across teams and directly with customers Familiarity with REST APIs and reporting tools Why Apply? Long-term career development in a stable and growing company Competitive salary with bonus scheme Investment in your learning, training, and professional growth Make More ❯

the team Essential Skills & Experience: Expert-level C# development with experience in .NET Core and .NET Framework Experience designing and building distributed, event-driven systems Strong API development skills (REST and/or GraphQL) Proficient in relational databases (MSSQL, MySQL, etc.) Experience deploying and managing applications in cloud environments (AWS or Azure) Hands-on involvement across the SDLC including QA More ❯

and alternative project delivery approaches. Strong understanding and practical experience with various integration approaches, patterns, and standards within the Salesforce ecosystem, including event-based, ETL, ESB, point-to-point, REST, SOAP, and Canvas. Expertise in Salesforce security and privacy best practices, encompassing SSO, user provisioning and management, OAuth flows, and data encryption at rest. Exceptional Communication: You should possess confident More ❯