Top Software Engineer Jobs in Belfast

The Staff Software Engineer will lead the design and development of a scalable network data platform for Confluent Cloud, focusing on performance, reliability, and security while managing complex software projects across teams.

Join a remote EU-based talent pipeline as a senior C++ engineer working on a custom engine or UE5. Maintain and develop game features and tools, collaborate across disciplines, and debug, profile, and optimize code for Windows PC strategy games.

Lead design and implementation of high-performance agent runtimes, backend services, and self-hosted model/agent infrastructure. Build low-latency execution systems, real-time data pipelines, telemetry loops, CI/CD for zero-downtime deployments, and ensure fleet reliability on AWS/EKS.

Design, build, and maintain automated acceptance and end-to-end test frameworks within an agile team. Collaborate with developers and analysts to define requirements and edge cases, perform exploratory testing, and validate resiliency and failure scenarios to ensure high-quality continuous delivery.

Develop and maintain bespoke web applications and services for a SaaS financial-advice platform using TypeScript/React/Node.js. Work within an Agile team to build service-oriented components, integrate REST APIs, follow best-practice for software quality and security, and share team ownership and status reporting.

Design, build, and optimize high-performance AI infrastructure systems to support intelligent agents, ensuring reliability and scalability for millions of users.

As a Staff Software Engineer, you will develop backend services for the agentic platform, integrating AI capabilities and ensuring system reliability, security, and developer usability.

The Senior Staff Software Engineer will lead the architecture of the agentic platform, define shared service designs, partner with teams for reusable capabilities, provide technical leadership, and implement cost-management and evaluation pipelines.

The Senior Software Developer will create and enhance AI prototypes, ensure technical standards, support backend service integrations, and collaborate with multidisciplinary teams.

As a Senior or Staff Software Engineer focused on SRE, you will optimize performance, manage infrastructure with code, drive observability, and collaborate with teams to enhance system reliability and efficiency.

As a Staff Software Engineer, you will lead the development of Apache Iceberg, enhancing data handling capabilities for large-scale systems, collaborating with teams, and architecting solutions for modern data lakes.

As a Senior Software Engineer, you'll design and build AI applications in Python, optimize performance, collaborate with clients, and lead technical practices. You will ensure high-quality standards and participate in agile development processes.

Design and implement core YTsaurus functionality in C++, build and evolve platform-level capabilities, improve APIs and UX for internal users, own production quality including incident response/on-call, and collaborate with stakeholders to prioritize and deliver scalable data platform features.

The Senior Software Developer will design and implement solutions for clients, customize platforms, manage requirements, optimize performance, and conduct training support. Frequent client engagement is required.

The Principal Data Engineer will design and build large-scale backend services and data pipelines, lead architectural decisions, and mentor engineers. This role requires deep technical expertise in building distributed systems and ensuring system reliability and performance optimization.

As a Senior Software Engineer, you will manage production systems, ensuring reliability and performance for Grafana Cloud's databases while working with distributed systems and Kubernetes. Responsibilities include operating multi-cloud infrastructure, diagnosing failures, implementing upgrades, and collaborating across teams for operational excellence.

This role offers graduates a chance to start their careers as Software Developers, focusing on building applications, enhancing skills, and gaining permanent placements post-training.

Lead the development of backend platforms for national security and defence clients, leveraging cloud technologies and Agile methodologies, while ensuring operational responsibility for services and collaborating in cross-functional teams.

Develop and enhance features for EnrollWise, contribute to a scalable software architecture, review code, collaborate on design and technical feasibility, and maintain software quality.

Lead the development of Runware's serverless platform by building core systems for AI workload management and providing technical guidance to the team.

The Senior Software Engineer will design and implement systems for AI integration, build scalable backend services, and mentor team members, ensuring high-quality systems that meet user needs.

As a Lead Software Engineer at Anima, you will enhance existing products and develop new ones focused on healthcare technology. You will work with various technologies, join customer calls, and potentially transition into a managerial role while impacting patient care.