5 of 5 API Design Jobs in Northern Ireland

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/ ...

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 ...

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

Hiring Organisation
3D Personnel LTD
Location
Londonderry, County Londonderry, Derry, County Derry / Londonderry, United Kingdom
Employment Type
Permanent
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. ...