Top Software Engineer Jobs in Belfast

The role involves developing software for Linux-based systems on autonomous devices, optimizing performance and ensuring reliability in various hardware environments.

As a Software Engineer at Canonical, you will collaborate globally to shape open-source software operations, focusing on Python and Golang development, enhance DevOps workflows, and improve infrastructure operations for cloud computing solutions.

The role involves designing and delivering open source software operations code in Python, ensuring system reliability, and collaborating with teams across the Linux stack.

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.

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.

As a Software Engineer (GenAI-Focused), you will enhance the DoiT Cloud Intelligence product, implement features, review code, and improve code health, focusing on AI and cloud technologies for cost optimization and performance.

The Sr. Software Engineer will design, develop, and maintain public APIs and integrations, ensuring high scalability and performance while improving code quality using AI tools.

As a Software Engineer, you will build features, write maintainable Roblox Lua code, collaborate with teams, and enhance gameplay for millions of players.

The Senior Full-Stack Engineer will design and build scalable UI systems, collaboratively own features, and support production quality. Responsibilities include API design, debugging, and performance tuning.

Build and operate production custody systems: signing service, key management, chain integrations, and transaction pipelines. Own end-to-end subsystems, integrate new chains, collaborate with cryptography on threshold signing and key recovery, write post-mortems, and produce clear async design docs and PRs.

Design, build, and scale Grafana Cloud Observability integrations and SDKs for cloud and Kubernetes environments. Implement middleware, dashboards, alerts, and documentation; drive features from ideation to production, participate in on-call rotations, collaborate with product, sales, and support, and contribute to open-source projects and upstream communities.

Work hands-on in a large, mature C++ (Windows/MFC) codebase to own and modernize features and subsystems, refactor legacy components, optimize performance-sensitive spectral algorithms, and collaborate with engineers and domain experts to ensure correctness, maintainability, and backward compatibility.

The role involves leading compliance quality initiatives, designing test automation frameworks, collaborating with teams, and ensuring compliance in software development.

Senior full-stack product engineer owning large product areas end-to-end: research, write specs, design wireframes, implement features across frontend and backend, and collaborate closely with product, design, and infra. Focus on solving customer problems, building durable abstractions, and shipping high-quality, scalable software.

Senior full‑stack product engineer owning a large product area end-to-end: research customers, write specs and wireframes, design and implement features across frontend and backend, collaborate with product and design, and ship high-quality scalable software.

Lead design and implementation of scalable generative AI services and reusable components using Python. Drive architectural decisions, deploy containerized applications on Kubernetes (EKS), ensure scalability/observability and CI/CD, mentor engineers, and collaborate with product and research teams to productionize LLM capabilities.

Design, build, and maintain backend API and database services for a cloud PBX platform. Drive architecture, performance optimization, debugging, CI/CD and test automation, and collaborate with QA. Mentor peers and raise engineering standards while safely evolving high-load, networked systems.

Design, implement, and operate global cloud infrastructure for a containerized SaaS. Own end-to-end infrastructure projects, IaC automation, observability, on-call reliability, and mentor engineers while collaborating with product, support, and sales.

Owner of the asset discovery experience across tokens, perpetuals, and prediction markets. Design, build, and scale features for web, mobile, and browser extension platforms. Lead initiatives to add blockchain support and new products, interface with users and developers for feedback, and help grow and hire a high-performing Discovery team.

As a Principal Engineer at M&S, you'll drive technical strategy, influence architecture, and mentor engineers while delivering on personalization, search, and machine learning features in collaboration with cross-functional teams.

The Senior Software Engineer will enhance Speechify's product experience by building foundational services, collaborating with product teams, optimizing functionality, and developing backend services using Kotlin.

As a Senior Software Engineer, you will build scalable distributed systems, improve developer experience, mentor peers, and lead incident responses.

Lead architecture for large-scale, high-availability distributed systems using Domain Driven Design. Provide project-embedded consultation, prioritize platform capabilities, drive CI/CD and cloud practices, and communicate technical strategy to stakeholders to ensure scalable, secure, and observable systems.

The role involves developing, testing, and deploying Python microservices, solving complex technical problems, and contributing to architectural decisions. Engineers will work with a product team and ensure code quality through reviews and testing, while continuously learning and improving practices.

The Senior Software Engineer will collaborate in small teams to develop and maintain backend and frontend components, focusing on high-availability systems, writing tests, and continuous delivery on Google Cloud Platform.