Top Software Engineer Jobs in Belfast

As a Software Engineer at Euphoric, you'll develop AI-driven features, collaborate across the tech stack, maintain quality code, and contribute to an innovative benefits platform.

The Software Engineer will focus on AI-native engineering practices, build innovative interfaces for software delivery, ensure system reliability, and have a strong backend expertise, particularly in Go, with a production mindset.

Build and launch backend features and services using Python/Flask and other technologies, own projects end-to-end, identify high-impact improvements, collaborate with product and design, ensure quality, testing, monitoring, and production reliability for services at scale.

Lead and execute manual and automated testing for web, API, desktop, and mobile products. Build and maintain automated test suites, create test plans and cases, document and track defects, collaborate with Agile teams, improve testing processes and frameworks, and mentor junior QA engineers.

Lead the design and implementation of scalable, distributed systems, focusing on Reporting and Insights applications for clients. Guide software initiatives, mentor team members, and drive engineering best practices.

Design, build, and evolve backend-focused experimentation platform services, APIs, automation, and developer tooling. Set technical direction, champion a self-service model, ensure production readiness (observability, resilience), partner with product and engineering teams, mentor engineers, and document APIs and operational processes.

Design, build and evolve backend-focused experimentation platform capabilities (APIs, services, automation, developer tooling). Set technical direction and standards, enable a self-service model, partner with product and engineering teams, mentor engineers, and ensure production readiness with observability, resilience, and clear documentation.

Lead design, build, and operate high-quality cloud software for the Customer Data Platform. Own technical delivery end-to-end, mentor engineers, support on-call, improve observability, testing, security, and collaborate with Product, Design and adjacent teams to deliver scalable solutions.

Lead design, build, test, and operate cloud-based services for the Customer Data Platform. Deliver complex features end-to-end, improve code quality, support on-call operations, mentor engineers, collaborate with Product/Design, and drive reliability, observability, and secure engineering practices.

Design, implement, and maintain scalable server-side microservices for audio/video communication using Java and TypeScript. Lead CI/CD (Jenkins), collaborate with product and engineering teams, troubleshoot production issues, perform RCA/post-mortems, mentor developers, and drive architecture and reliability for WebRTC-based media backend services.

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.

The Senior Software Cybersecurity Engineer analyzes software for security, performs threat modeling, leads security efforts, mentors teams, and integrates security throughout the development lifecycle.

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.

Build and maintain high-throughput, reliable database integrations to replicate data into ClickHouse. Debug production issues, improve observability and reliability, participate on-call, collaborate with customers and cross-functional teams, and influence product roadmap.

Lead the architecture of Tide's agentic platform, ensuring reliable, scalable services. Collaborate across teams to design APIs and integration standards, focusing on developer experience and analytics.

The Staff Software Engineer will develop backend services for Tide's AI platform, integrate components, ensure reliability, and shape AI engineering patterns.

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

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 create and enhance AI prototypes, ensure technical standards, support backend service integrations, and collaborate with multidisciplinary teams.

As a Technical Lead, you'll oversee technical projects, mentor engineers, ensure high-quality solutions, and influence strategic decisions in a collaborative environment.

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.

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 technical direction and deliver large-scale authentication systems (OAuth/OIDC/SAML/LDAP/SCIM) in Go. Drive cross-team architecture, mentor senior engineers, ensure low-latency multi-tenant reliability, and represent Grafana in the identity community.

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