Top Software Engineer Jobs in Belfast

Build and maintain a mission-critical .NET enterprise platform and event-driven microservices. Implement Kafka-based integrations and CDC pipelines, write and tune SQL Server/T-SQL, containerize and deploy with Docker/Kubernetes, use Azure and CI/CD pipelines, diagnose production issues end-to-end, participate in Agile ceremonies, and collaborate with product, QA, DevOps and partners while supporting on-call rotations.

Build and maintain a mission-critical .NET enterprise platform and event-driven microservices. Develop features, integrations using Kafka, tune SQL Server, containerize with Docker/Kubernetes, deploy via GitHub Actions, work with Azure, participate in Agile ceremonies, perform on-call triage and collaborate across product, QA, DevOps and partner teams.

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.

Senior backend engineer role building scalable, resilient Go-based backend services and APIs for cloud environments (AWS/Azure/GCP). Work with containers, Docker, Kubernetes, TDD, and performance optimisation while collaborating with client teams in a remote-first consultancy.

Design, develop, and maintain scalable web applications using .NET backend and Angular/React frontend. Collaborate on requirements, implement RESTful APIs, optimize performance, debug, maintain documentation, support end-users, and work within CI/CD and DevOps workflows.

Design, develop, customize and integrate Microsoft Dynamics 365 CRM/CE solutions. Build entities, forms, workflows, plugins, reports and dashboards using CRM SDK, C#, JavaScript, ASP.NET and SQL. Troubleshoot issues, estimate implementation approaches, collaborate with stakeholders, document solutions, and mentor junior developers. Banking domain experience preferred.

Design and lead frontend architecture and development for scalable, secure web UIs that integrate with embedded systems and cloud platforms. Build device provisioning, telemetry visualization, and remote management interfaces; optimize performance and accessibility; mentor engineers; collaborate across backend, hardware, and systems teams to deliver end-to-end solutions.

Design and develop scalable, secure frontend web applications for connected embedded systems. Lead frontend architecture, collaborate with backend/embedded teams, implement device provisioning, telemetry visualization, and remote management UIs. Optimize performance, accessibility, and maintainability; mentor engineers, participate in reviews, and drive frontend best practices.

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

Lead design and delivery of core platform systems for an AI-driven insurance ecosystem. Build scalable backend services, APIs, workflow engines, and integration layers; define standards for reliability, observability, and extensibility; mentor engineers; collaborate with product, operations, QA, and DevOps; own production stability, incident response, and reliable releases.

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

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.

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.

The role involves architecting and developing cross-platform libraries in Rust and other languages, contributing to both mobile and web applications. Responsibilities include delivering complex features and ensuring a cohesive user experience across platforms.

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

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.

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.

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.

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

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.