Software Developer Jobs in Northern Ireland, United Kingdom

Software Engineer on the embedded team at Hyster-Yale UK Limited, building and testing embedded software for lift trucks. Day‑to‑day duties include interpreting requirements, designing and coding in C, unit and bench testing, and collaborating with hardware and global teams.

Product and Technology Team at Versant builds and evolves the core systems powering the golf course management platform, handling millions of bookings annually. The Software Engineer will design, develop, and maintain scalable backend services and APIs, contribute to architecture discussions, and ensure reliability, performance, and security.

Intapp seeks a Software Engineer to join its Belfast development team. The role involves collaborating with product and engineering managers to design, build, and enhance client-facing software.

CME Group is seeking a Software Engineer III to join the Market Data Services team in Belfast. The role involves developing and maintaining systems for CME's derived market data products.

CME Group is seeking a Software Engineer III to join the Enterprise Credit team in Belfast. The role involves developing enterprise applications using Java, cloud technologies, and automation tools.

Product and Technology team at Versant Media, building the core systems for a golf course management platform that handles millions of bookings annually. The mid-level engineer designs, develops and maintains scalable backend services and APIs, contributes to architecture, and ensures reliability, performance and security.

Data Services Domain within Technology at CME Group builds and operates market data infrastructure. The Software Engineer III develops Java and Python modules, writes unit tests, conducts code reviews, and optimizes deployments to ensure data integrity and regulatory compliance.

Product Development team at aPriori Technologies builds and modernizes enterprise automation solutions for manufacturing insights. The Senior Software Engineer designs, develops, and refactors complex Java/Spring Boot applications, mentors a mixed team, and implements CI/CD pipelines with Docker and Kubernetes.

DailyPay Backend Engineering team builds robust, scalable Go microservices to power the on‑demand pay platform. The role designs, develops and maintains backend services and APIs, drives the transition to event‑driven microservices, optimises database performance, collaborates with cross‑functional partners, and mentors engineers.

Rapid7 Labs team builds world‑class research and security data platforms. As a Software Engineer II you sustain and develop core research projects like vulnerability intelligence, Project Sonar, and Project Lorelei, maintain RESTful APIs, manage cloud infrastructure on AWS with Kubernetes and Terraform, and drive agile software practices.

Menu team at Olo builds and operates the real‑time system that manages, publishes and serves billions of menu records for restaurants. The Software Engineer writes clean, maintainable C# code, participates in peer reviews, and owns small‑to‑medium features while collaborating closely with Product to shape solutions.

AI Data Team at Speechify, building petabyte‑scale audio datasets to power next‑generation text‑to‑speech models. The role scrapes new audio sources, extends GCP‑based ingestion pipelines, and collaborates with scientists to improve cost, throughput, and quality.

Software Engineer at Merchant Warehouse (NI) Ltd. Designs and develops server‑side payment gateway products using C#/.NET, optimizing performance and integrating with payment partner systems. Works on web technologies (HTML, JavaScript, CSS, XML/XSLT) and applies design patterns and OO principles.

Speechify’s iOS Core Product team builds the #18 productivity app that turns PDFs, books, and web pages into audio for millions of users worldwide. The role leads key engineering and product decisions, actively shipping production code, and shaping the roadmap for a fast‑growing, fully distributed team.

Speechify’s Platform team builds and maintains backend services for text‑to‑speech, payments, analytics, and subscriptions. As a Software Engineer, you’ll design, develop, and optimize robust APIs, oversee the backend landscape, and collaborate on B2B solutions for enterprise clients.

Join Proofpoint’s Belfast PPS Engineering team to modernize the flagship Email Security platform. Contribute to building and improving large‑scale services, write clean Java code, develop APIs, and learn event‑driven systems.

Apex Fintech Solutions’ Investigations team builds secure identity verification and watchlist screening services that power our digital wealth platform. The Software Engineer II designs, implements, and tests backend services in Java, automates CI/CD pipelines, and collaborates with product and design to deliver reliable features.

Software Engineer at Olo Network builds scalable APIs for a mobile app connecting restaurant brands with customers. Working remotely from Northern Ireland, you’ll design high‑quality components, contribute to architecture decisions, and address technical debt.