14 of 14 API Design Jobs in Northern Ireland

Director Data & Analytics API Experience - Data Services

Location
Belfast, Northern Ireland, United Kingdom
Director Data & Analytics API Experience - Data ServicesSkip to main contentBy clicking “Accept All Cookies,” you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts.# CareersDirector Data & Analytics API Experience - Data Services page is loaded## Director … Data & Analytics API Experience - Data ServicesApplylocations: Belfast - Millennium Housetime type: Full timeposted on: Posted Todayjob requisition id: 34591**Director Data & Analytics API Experience - Data Services****Background:**CME Group runs some of the world’s largest and most important trading venues, including derivatives exchanges, FX/FI platforms. ...

Director Data & Analytics API Experience - Data Services

Hiring Organisation
CME- Group
Location
Belfast, Down, United Kingdom
Salary
£ 80 K
Director Data & Analytics API Experience - Data ServicesBackground:CME Group runs some of the world’s largest and most important trading venues, including derivatives exchanges, FX/FI platforms. The trading participants include leading investment banks, hedge funds, proprietary trading firms, investment managers, and retail traders, as well as additional … stakeholders such as independent software vendors (ISVs) and data redistributors. To support our unique data and analytics products, we are now building a unified API-first distribution framework, simplifying consumption and value extraction.The Role:We are seeking a key stakeholder for the CMEG External Data-Analytics (DA) APIs ...

Principal Developer

Hiring Organisation
Version 1
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
agile delivery methodology to ensure timely and high-quality delivery of software applications.Technical Ownership: Take technical ownership of a product or software solution, covering design, estimation, shaping, and user story/requirement creation.Solution Documentation: Document solutions, including architecture, configuration, release, and support handover.Stakeholder Collaboration: Collaborate and liaise with other … coding best practices and modern architectural patterns, including microservices and message-driven architectures.Non-Functional Requirements: Experience developing applications with non-functional requirements in mind.Application Design: Experience in application/digital services design.Software Engineering Practices: Proficiency in software engineering practices like code reviews, CI/CD pipelines, and SOLID/ ...

Innovation Software Developer

Hiring Organisation
EOS IT Solutions
Location
Armagh, United Kingdom
Salary
£ 70 K
ServicesDevelop secure, scalable REST and gRPC services using FastAPI, Flask, and Node.js.Implement authentication, authorization, observability, testing, and performance monitoring.Ensure reliability, maintainability, and best-practice API design.Deliver Digital Twin ExperiencesIntegrate real-time operational data with advanced 3D and 4D visualizations.Work with OpenUSD, NVIDIA Omniverse, and Unreal Engine technologies.Create interactive digital ...

Senior Kotlin Developer

Location
Belfast City District, Northern Ireland, United Kingdom
Kotlin and Java on the AWS Cloud platform, following best practice. In addition to Kotlin, this project utilises Typescript/Node.js using the GOV.UK Design System. Kubernetes and Docker to schedule and run services hosted on AWS Cloud. You’ll join a Scrum Team of cross-functional skills working … including microservices and message-driven architectures NFR/Non-Functional requirement understanding and experience developing applications with this in mind Application/Digital Services Design experience Experience in software engineering practices like Code Reviews, CI/CD Pipelines and SOLID/DRY principals Hands-on developing/coding role ...

GenAI Full-Stack Engineer Lead

Hiring Organisation
Citigroup
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
across the organisation to build scalable developer platforms, influence engineering strategy and drive the adoption of Generative AI and modern engineering practices.Key ResponsibilitiesDrive the design and delivery of enterprise-scale applications supporting critical business functions and large user populations.Remain hands-on with software architecture, system design, code reviews … using Kubernetes, containers, microservices and event-driven architectures.Strong understanding of distributed systems, resiliency patterns, scalability and performance engineering.Strong knowledge of SQL and NoSQL technologies, API design and integration patterns.Excellent communication and stakeholder management skills with the ability to influence technology decisions across numerous teams and organisations.Growth mindset with ...

Senior Software Developer

Location
Newtownabbey, Northern Ireland, United Kingdom
that powers both internal operations and the public-facing auction website. It has been built as a modern TypeScript solution using a Node.js backend API with NestJS, a React administrative portal, and a Next.js customer-facing website. The product is hosted on a contemporary AWS cloud architecture using infrastructure … storage, content delivery, real-time capabilities and observability built in. You'll be responsible for ongoing development, bug fixes and iterative enhancements across the API, admin portal and customer website, while continuing to evolve the platform using current engineering practices and AI-enabled delivery methods. Collaboration & knowledge transfer (first ...

GenAI Full-Stack Engineer Lead

Location
Belfast City District, Northern Ireland, United Kingdom
organisation to build scalable developer platforms, influence engineering strategy and drive the adoption of Generative AI and modern engineering practices. Key Responsibilities Drive the design and delivery of enterprise-scale applications supporting critical business functions and large user populations. Remain hands-on with software architecture, system design, code … containers, microservices and event-driven architectures. Strong understanding of distributed systems, resiliency patterns, scalability and performance engineering. Strong knowledge of SQL and NoSQL technologies, API design and integration patterns. Excellent communication and stakeholder management skills with the ability to influence technology decisions across numerous teams and organisations. Growth ...

Senior Java Developer (6 month contract)

Location
Belfast City District, Northern Ireland, United Kingdom
Greenfield build – no legacy codebase Cloud-native tech stack (Java, Spring Boot, AWS, GitHub Actions, Jenkins) Regulatory focus (MiFID II, EMIR, SFTR, etc.) Responsibilities Design and implement scalable, cloud-native backend components using Java and Spring Boot Collaborate with cross-functional teams to deliver features supporting transaction reporting … post-trade transparency, and venue/instrument data flows Translate regulatory requirements into robust, auditable technical solutions Participate in Agile ceremonies and contribute to design, development, testing, and documentation Write unit, integration, and functional tests; support automated test pipelines Deploy services in AWS and contribute to CI/ ...

Cloud-Native Senior Software Engineer (Hybrid)

Location
Belfast City District, Northern Ireland, United Kingdom
Instil Software Ltd is seeking experienced Senior Software Engineers to design, build, and operate scalable cloud-native solutions using Java, Python, C#/.NET and TypeScript. You’ll influence architecture, drive API design, and guide production deployments across AWS, Azure, or GCP. You’ll work with cross ...

Mid-Level Data Engineer (Python/ AWS)

Location
Belfast, Northern Ireland, United Kingdom
cloud-based data platform. This is a hands-on role focused on designing, building, and improving data pipelines and services, while also contributing to API design and occasional frontend work where needed. You’ll work across the stack, primarily in Python and AWS, helping to deliver reliable, well … data through APIs, and supporting a platform that removes bottlenecks and enables better use of data across the organisation. What You’ll Be Doing Design, build, and maintain ETL/ELT pipelines in production environments Develop ingestion and egress patterns to support reliable data access and integration Work with ...

Staff Software Engineer (Provenance)

Hiring Organisation
Cloudsmith
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
modern CI/CD approach, deploying multiple times per day, and we support a global set of customers who are engineers like us.Key ResponsibilitiesBuild: Design, implement, and ship the provenance ingestion service — capable of accepting provenance and attestation payloads from CI/CD systems, public registries, signed bundles … Experience designing pipelines that handle varied, schema-evolving, high-volume payloads reliably and at scale — including robust error handling and observability.Data Modelling: Ability to design storage schemas that efficiently represent signed metadata envelopes, artefact graphs, and queryable relationships. API Design: Experience building and versioning APIs consumed ...

Software Engineer

Location
Derry/Londonderry, Northern Ireland, United Kingdom
sales colleagues to understand what we are building and why. What you’ll do Ship features end-to-end using AI agents, from design through to production. Take ownership of components and projects without needing constant direction. Contribute to code reviews and architectural discussions. Maintain and improve the engineering … more senior responsibilities as you develop and the team expands. What we need from you Strong technical fundamentals. Comfortable across front-end, back-end API design, and database work. Can understand and create production quality experiences with technical and customer minded care. Ability to work independently. ...

Software Engineer

Location
Derry and Strabane District, Northern Ireland, United Kingdom
sales colleagues to understand what we are building and why. What you will do Ship features end-to-end using AI agents, from design through to production. Take ownership of components and projects without needing constant direction. Contribute to code reviews and architectural discussions. Maintain and improve the engineering … more senior responsibilities as you develop and the team expands. What we need from you Strong technical fundamentals. Comfortable across front-end, back-end API design, and database work. Can understand and create production quality experiences with technical and customer minded care. Ability to work independently. ...