Top Tech Jobs & Startup Jobs in Belfast

Develop, test, and maintain backend services, REST APIs, integrations, and workflow automation for customer-facing cloud platforms. Troubleshoot backend services, databases, and integrations; participate in code reviews, testing, and technical discussions; and collaborate with product, UX, data, security, QA, and platform teams. The role emphasizes maintainable code, enterprise systems, cloud technology, and continued backend engineering development.

Design, develop, test, and maintain scalable backend services and APIs for Agent Studio. Build orchestration, configuration, integrations, deployment, lifecycle, authentication, authorization, observability, and runtime management capabilities. Collaborate with frontend, AI/ML, product, UX, DevOps, and platform teams to deliver reliable, secure, high-performance services. Troubleshoot complex production issues and contribute to technical designs, code reviews, testing, and continuous engineering improvements.

Designs and leads frontend architecture for real-time, conversational web experiences. Develops reusable components, responsive interfaces, APIs, testing, observability, accessibility, and secure applications. Partners with Product, UX, backend, and ML teams; leads initiatives from design through production; troubleshoots complex issues; conducts reviews; mentors engineers; and establishes standards for performance, reliability, scalability, and maintainability.

Develop and optimize machine learning and generative AI solutions for digital agents, including LLMs, NLP, RAG, retrieval, experimentation, evaluation, and statistical analysis. Build scalable data and ML pipelines using Python, SQL, and Spark; assess model quality, reliability, safety, and business impact; and support production deployment. Collaborate with engineering, product, and data science teams while mentoring less experienced colleagues.

Designs, develops, and maintains scalable backend services, APIs, and data capabilities for analytics, dashboards, and visualizations. Responsibilities include processing and aggregating structured and unstructured data, optimizing performance, collaborating with frontend, data, UX, product, and DevOps teams, and supporting reliable production deployments. The role also involves technical design, testing, monitoring, troubleshooting, code reviews, and continuous improvement of analytics services.

The Site Reliability Engineer will operate and improve production cloud environments, build infrastructure automation, enhance observability, optimize distributed system performance, and support incident response. The role focuses on reliability for Voice/Unified Communications and AI-enabled services, including real-time media quality, graceful degradation, dependency isolation, and recovery procedures. Responsibilities include capacity planning, release validation, monitoring, troubleshooting, service-level management, and collaboration with development, Voice/UC, and AI engineering teams.

Lead and develop a software engineering team responsible for scalable backend services, APIs, data processing, and production operations. Own delivery across the software lifecycle, establish quality and reliability practices, partner with Product and AI/ML teams, manage priorities and risks, coach engineers, recruit talent, and build an inclusive culture. The role requires strong backend, cloud, distributed systems, CI/CD, observability, and people leadership experience.

Support and advance the application security program: review designs and architecture, advise engineering/DevOps on secure SDLC practices, run static/dynamic scans and manual assessments, triage external pentest and bug-bounty findings, and drive security process improvements.

Senior Software Engineer on the Customer Analytics Engineering team building scalable backend services in Java (JDK11+). Design, develop, and maintain analytics platform features, optimize SQL for MySQL and Snowflake, troubleshoot production issues, improve architecture and performance, participate in code reviews, mentor teammates, and drive modernization and technical debt reduction.

Collaborate with development teams to deploy and maintain applications on GCP using Kubernetes, Docker, Helm, ArgoCD and Terraform. Build automation pipelines, support deployments/upgrades/troubleshooting, manage infrastructure as code, document processes, and participate in on-call rotation.