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13 Contract API jobs in County Down + 20 miles
Migrate and refactor legacy APIs to modern architectural standards whilst ensuring API contract compatibility * Understanding of RESTful API design, microservices architecture and cloud-native development
Migrate and refactor legacy APIs to modern architectural standards whilst ensuring API contract compatibility * Understanding of RESTful API design, microservices architecture and cloud-native development
Validate API integrations, security implementations and accessibility standards (WCAG 2.1) * Experience with API testing, mobile application testing and cross-platform validation
Validate API integrations, security implementations and accessibility standards (WCAG 2.1) * Experience with API testing, mobile application testing and cross-platform validation
Proficiency in React Native, JavaScript/TypeScript and React fundamentals * Solid understanding of REST API integration, asynchronous programming and cross-platform development
Proficiency in React Native, JavaScript/TypeScript and React fundamentals * Solid understanding of REST API integration, asynchronous programming and cross-platform development
Proficiency in React Native, JavaScript/TypeScript and React fundamentals * Solid understanding of REST API integration, asynchronous programming and cross-platform development
Proficiency in React Native, JavaScript/TypeScript and React fundamentals * Solid understanding of REST API integration, asynchronous programming and cross-platform development
Validate API integrations, security implementations and Strong Customer Authentication (SCA) flows * Deep understanding of mobile testing (iOS and Android), API testing and cross-platform validation
Validate API integrations, security implementations and Strong Customer Authentication (SCA) flows * Deep understanding of mobile testing (iOS and Android), API testing and cross-platform validation
Strong knowledge of mobile architecture, REST API integration and asynchronous programming
Strong knowledge of mobile architecture, REST API integration and asynchronous programming
Validate API integrations, security implementations and Strong Customer Authentication (SCA) flows * Deep understanding of mobile testing (iOS and Android), API testing and cross-platform validation
Validate API integrations, security implementations and Strong Customer Authentication (SCA) flows * Deep understanding of mobile testing (iOS and Android), API testing and cross-platform validation
Strong knowledge of mobile architecture, REST API integration and asynchronous programming
Strong knowledge of mobile architecture, REST API integration and asynchronous programming
You'll have the opportunity to work with the latest technologies and tools, including Python Fast API, MQTT, Docker, Kubernetes and much more. * Python (Fast API) * Experience designing and implementing REST APIs (Fast API)
You'll have the opportunity to work with the latest technologies and tools, including Python Fast API, MQTT, Docker, Kubernetes and much more. * Python (Fast API) * Experience designing and implementing REST APIs (Fast API)
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React Hook Form & Zod: Complex validation, schema inference, API contracts * API-first development with type-safe contracts
React Hook Form & Zod: Complex validation, schema inference, API contracts * API-first development with type-safe contracts
2021 Best API & Best Trading Technology - presented by Global Fintech Awards
2021 Best API & Best Trading Technology - presented by Global Fintech Awards
2021 Best API & Best Trading Technology - presented by Global Fintech Awards
2021 Best API & Best Trading Technology - presented by Global Fintech Awards
Awareness of the iManage REST API and its application
Awareness of the iManage REST API and its application
86 exact matches jobs are outside your preferred location
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Secure API integration: rate limiting, authentication, and governance via Azure API Management.
Secure API integration: rate limiting, authentication, and governance via Azure API Management.
PREMIUM
Strong commercial experience with Node.js (Back End services and API development). * Knowledge of RESTful API design and integration.
Strong commercial experience with Node.js (Back End services and API development). * Knowledge of RESTful API design and integration.
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Deep understanding of API technologies (REST, GraphQL, XML-RPC)
Deep understanding of API technologies (REST, GraphQL, XML-RPC)
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Senior Front-End Developer - 1 Year Contract - Remote
Senior Front-End Developer - 1 Year Contract - Remote
Stealth IT Consulting Limited
UK
From £450 to £500 per day
Understanding of API integrations and cross-functional workflow
Understanding of API integrations and cross-functional workflow
Senior Full Stack Developer (SC Cleared) - 12 Month Contract - Remote
Senior Full Stack Developer (SC Cleared) - 12 Month Contract - Remote
Stealth IT Consulting Limited
UK
From £450 to £500 per day
Strong understanding of API development and microservices
Strong understanding of API development and microservices
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• Strong backend engineering background delivering high-scale systems with AI components (Python/Java, RAG frameworks, vector databases, API engineering).
• Strong backend engineering background delivering high-scale systems with AI components (Python/Java, RAG frameworks, vector databases, API engineering).
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SPFx, TypeScript/JavaScript, Graph API, PnP PowerShell experience
SPFx, TypeScript/JavaScript, Graph API, PnP PowerShell experience
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We are looking for a highly skilled Lead Business Analyst / Product Owner to lead the design, development, and delivery of API solutions that enable seamless integration across our digital ecosystem. This hybrid role combines strategic product ownership with hands-on business analysis to ensure our API platform meets business needs, enhances interoperability, and supports scalable growth. * Define and own the API product backlog, aligning with business objectives and technology strategy. * Act as the voice of the customer for API consumers, ensuring usability and developer experience. * Gather, analyze, and document functional and non-functional requirements for API development. * Collaborate with architects and engineering teams to design API specifications, JSON, XM
We are looking for a highly skilled Lead Business Analyst / Product Owner to lead the design, development, and delivery of API solutions that enable seamless integration across our digital ecosystem. This hybrid role combines strategic product ownership with hands-on business analysis to ensure our API platform meets business needs, enhances interoperability, and supports scalable growth. * Define and own the API product backlog, aligning with business objectives and technology strategy. * Act as the voice of the customer for API consumers, ensuring usability and developer experience. * Gather, analyze, and document functional and non-functional requirements for API development. * Collaborate with architects and engineering teams to design API specifications, JSON, XM
NEWPREMIUM
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Familiarity with integration tools and methods (e.g., API-based integrations, middleware solutions and automation platforms).
Familiarity with integration tools and methods (e.g., API-based integrations, middleware solutions and automation platforms).
My client are seeking a JavaDeveloper with strong expertise in Apache Kafka, Node.js, and AWS cloud services. The role involves designing and implementing scalable, event-driven architectures, building microservices, and deploying solutions in a cloud-native environment. Essential Skills & Experience * Strong commercial experience with Java (core + modern frameworks) * Hands-on experience with Node.js * Proven background delivering solutions in AWS environments * Understanding of microservices, APIs and distributed systems * Experience working in Agile / DevOps environments * Familiarity with CI/CD pipelines and cloud-native tooling * Experience with Kafka Desirable * Previous experience working in public-sector or secure environments
My client are seeking a JavaDeveloper with strong expertise in Apache Kafka, Node.js, and AWS cloud services. The role involves designing and implementing scalable, event-driven architectures, building microservices, and deploying solutions in a cloud-native environment. Essential Skills & Experience * Strong commercial experience with Java (core + modern frameworks) * Hands-on experience with Node.js * Proven background delivering solutions in AWS environments * Understanding of microservices, APIs and distributed systems * Experience working in Agile / DevOps environments * Familiarity with CI/CD pipelines and cloud-native tooling * Experience with Kafka Desirable * Previous experience working in public-sector or secure environments
Java Developer 12 month Contract - 1 Stage Interview
Java Developer 12 month Contract - 1 Stage Interview
Stealth IT Consulting Limited
UK
Up to £400 per day £400 (Inside IR35) Per Day
Role Overview - We are seeking a skilled Java Developer with strong experience across Java, Node.js, and AWS to support large-scale digital transformation projects within a secure public-sector environment. You will join a collaborative engineering team focused on delivering secure, scalable and high-quality services. Key Responsibilities * Develop, maintain and optimise backend services using Java and Node.js * Build and deploy applications on AWS following best practices * Work within an Agile delivery team, contributing to sprints, ceremonies and code reviews * Collaborate with architects, product owners and other engineers to deliver high-impact features * Ensure code quality, security and performance are upheld * Support CI/CD processes, testing and automation - Essential Skills & Experience * Strong commercial experience with Java (core + modern frameworks)
Role Overview - We are seeking a skilled Java Developer with strong experience across Java, Node.js, and AWS to support large-scale digital transformation projects within a secure public-sector environment. You will join a collaborative engineering team focused on delivering secure, scalable and high-quality services. Key Responsibilities * Develop, maintain and optimise backend services using Java and Node.js * Build and deploy applications on AWS following best practices * Work within an Agile delivery team, contributing to sprints, ceremonies and code reviews * Collaborate with architects, product owners and other engineers to deliver high-impact features * Ensure code quality, security and performance are upheld * Support CI/CD processes, testing and automation - Essential Skills & Experience * Strong commercial experience with Java (core + modern frameworks)
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Looking for a Technical Business Analyst to support squads across a high-profile digital environment. You'll work closely with technical and business teams, shaping requirements and supporting delivery from discovery through to live service. The role requires someone confident engaging directly with technical and business stakeholders, translating business needs into technical requirements, and supporting squads through the full lifecycle. * Gather and refine requirements with stakeholders * Translate discovery outputs into clear epics and user stories * Work with architects and developers to validate technical feasibility * Understand RESTful APIs, data flows, and integration patterns * Contribute to agile ceremonies and support iterative delivery * Work across legacy and modern service environments * Proven experience as a Technical BA within digital or engineering
Looking for a Technical Business Analyst to support squads across a high-profile digital environment. You'll work closely with technical and business teams, shaping requirements and supporting delivery from discovery through to live service. The role requires someone confident engaging directly with technical and business stakeholders, translating business needs into technical requirements, and supporting squads through the full lifecycle. * Gather and refine requirements with stakeholders * Translate discovery outputs into clear epics and user stories * Work with architects and developers to validate technical feasibility * Understand RESTful APIs, data flows, and integration patterns * Contribute to agile ceremonies and support iterative delivery * Work across legacy and modern service environments * Proven experience as a Technical BA within digital or engineering
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