Top Software Engineer Jobs in Belfast

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.

Build and operate backend services and data platforms powering context retrieval and enrichment for AI assistants. Design scalable data processing, streaming, and retrieval pipelines, create reusable APIs, ensure observability and performance, and collaborate cross-functionally to deliver production-grade, data-intensive systems.

The Technical Architect leads teams to develop high-quality software solutions, manages staff performance, and collaborates on technical design while integrating user journeys and non-functional requirements.

The role involves designing and implementing security solutions for AI applications, collaborating across teams, and optimizing security capabilities against adversarial attacks.

As an Infrastructure Software Engineer, you will install and deploy Imogen into client cloud environments, lead technical discovery, apply XP practices, and collaborate closely with clients and team members.

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.

The Software Application Developer will engage in full-stack JavaScript development, provide technical support, manage database structures, and troubleshoot issues while working in an Agile environment.

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.

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

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 role involves creating and automating infrastructure features for data platforms using Python, with a focus on distributed systems and collaboration within a global team.

Join Canonical's OpenStack Engineering team to develop and manage Charmed OpenStack and Ceph, focusing on Python code and infrastructure automation.

The role involves automating OpenSearch operations by developing features in Python, collaborating with an international team, and providing expertise on data platforms.

The role involves collaborating with a distributed team to develop and debug software for Linux, focusing on high-quality code and system-level issues.

As a Software Engineer on the data platform team, you'll automate data platform operations, write Python code, and collaborate on solutions within a distributed team.

Develop and maintain system-level Go code, model data, and design database schema for cloud infrastructures. Collaborate with a distributed team to ensure code quality.

Lead the development of scalable backend services, mentor engineers, and enhance service reliability through code quality and monitoring improvements, all focused on Go programming and distributed systems.

As a Senior Machine Learning Engineer, you'll design and implement ML models, develop data pipelines, and collaborate on AI features at Mural.

As a Senior Software Engineer, you'll maintain critical parts of ClickHouse's Data engineering ecosystem, focusing on JVM-based frameworks and ensuring high-performance integrations for real-time analytics and data workloads.

Design and implement backend systems and APIs for HyperDX, scale deployments and infrastructure, and drive operational excellence for observability data processing.

The Staff Software Engineer will develop and maintain core services, collaborate with teams on technical solutions, and improve deployment processes within a Linux environment.

Design, build, and scale highly available full-stack and backend systems for Hopper's fintech B2B platform (HTS). Ship features using Scala and React, leverage GCP (BigQuery, Pub/Sub), design microservices, integrate with airline and enterprise partners, and collaborate cross-functionally to deliver testable, scalable solutions.

Lead software development and data engineering efforts for a scalable SaaS platform. Own full SDLC, design scalable systems, manage and wrangle billion-record datasets, lead projects, conduct code reviews, mentor engineers, and deliver customer-focused solutions within a fully remote UK-based role.

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.

Lead teams to develop high-quality software solutions, mentor junior members, and interact with customers while managing technical ownership of projects.