Top Software Engineer Jobs in Belfast

Join the 3D graphics team at Mapbox, working on open source vector map rendering, graphics programming, and improving performance for location technologies.

As a Senior Software Engineer, you'll develop scalable full-stack solutions, mentor team members, and drive product improvements focused on reducing climate impact.

Design and build key features for an AI coding platform, focusing on user experience and product growth in a collaborative environment.

The Staff Software Engineer will develop AI tools integrated with game engines and services, focusing on C++ and automation for game development.

As a Senior Software Engineer, you'll design scalable backend systems, optimize databases, deploy workloads on AWS, and mentor mid-level engineers.

As a Senior Software Engineer, you'll lead backend and edge/IoT engineering, implement scalable solutions, mentor peers, and collaborate with teams to deliver impactful AI solutions.

Lead Software Engineer responsible for backend and edge/IoT engineering, mentoring teams, designing scalable solutions, and implementing CI/CD processes.

Design and develop software solutions from scratch, collaborating on government projects, and participating in the software development lifecycle.

The Senior Software Engineer will manage full software development life cycle, focusing on data engineering, project leadership, code quality, and customer-centric development.

As a Senior Software Engineer on the Localization Team, you will develop localization tools and libraries, improve internationalization in Firefox, and collaborate with the community and peers to support Mozilla's mission.

Design, develop, and maintain mobile applications using React Native, focusing on user onboarding and experience optimization while mentoring other engineers and influencing technical strategies.

As a Senior Software Engineer at Kraken, you will design and maintain backend systems, SDKs, and APIs, enabling efficient growth engineering. You will improve internal tools, enhance developer workflows, and ensure system reliability across multiple teams.

As a Staff Software Engineer on the Growth team, you will lead technical projects impacting user acquisition, mentor engineers, and ensure system reliability and scalability.

Design, develop, and maintain payment processing systems. Optimize user experiences, ensure security, mentor engineers, and influence technical decisions.

As a Senior Software Development Engineer, you will develop complex mapping software, collaborate on tasks, design systems, and promote operational excellence.

As a Senior Software Engineer, you'll tackle high-impact problems by creating full-stack applications, collaborate across teams, and drive user engagement through strategic engineering solutions fitted for growth.

Design and implement robust Rust services for Kraken's core infrastructure, focusing on security, maintainability, and operational resilience in production environments, while collaborating with product teams and debugging issues across the stack.

The Staff Software Engineer will build backend capabilities for Kraken's platform, focusing on distributed systems and integrating AI functionalities while ensuring high standards of reliability.

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

Design and implement robust Rust services for trading and payments, focusing on performance and user impact while collaborating on distributed systems architecture.

The Sr. Software Engineer (FE) will lead the development of scalable frontend applications using React. Responsibilities include systems design, testing strategy, performance optimization, AI integration, and mentoring.

The Sr. Software Engineer will design and maintain public APIs and integrations with HRIS systems, ensuring high availability and performance while using Generative AI tools to improve code quality.

As a Senior Software Engineer, you will design and implement distributed storage components for streaming tables, improve performance and reliability, and contribute to the Apache Fluss project.

As a Staff Software Engineer, you will develop backend services for the agentic platform, integrating AI capabilities and ensuring system reliability, security, and developer usability.

The Senior Staff Software Engineer will lead the architecture of the agentic platform, define shared service designs, partner with teams for reusable capabilities, provide technical leadership, and implement cost-management and evaluation pipelines.