Top Software Engineer Jobs in Belfast

Develop microservices and cloud services for Magnify's platform, collaborate with data science, and lead complex software projects in a startup environment.

Develop and maintain cloud integrations and observability apps, contributing to observability solutions and representing the company at events.

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

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

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.

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 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.

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.

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.

The Software Engineer will build AI solutions for the Defence team, applying machine learning and high engineering standards while collaborating with technical teams.

A mid-level C# .Net Back End Software Engineer responsible for the software development lifecycle, collaborating with teams, and maintaining software applications with a focus on Azure cloud services.

The Software Engineer will focus on AI-native engineering practices, build innovative interfaces for software delivery, ensure system reliability, and have a strong backend expertise, particularly in Go, with a production mindset.

The Senior Software Engineer will design APIs, implement frontend and backend solutions, and improve development practices within a collaborative team.

As a Software Engineering evaluator, you will curate code examples and evaluate AI-generated code for efficiency while collaborating with cross-functional teams to enhance AI-driven solutions.

As a Senior Software Engineer, you will develop and maintain Alpaca's platform services, including event streaming infrastructure and authentication systems, while ensuring software quality and reliability.

The Senior Software Engineer II will design and implement generative AI services, drive architectural standards, mentor engineers, and collaborate across teams to enhance data solutions.

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.

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.

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 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.

Join a collaborative development team to design, implement, and maintain SaaS solutions, writing clean code and participating in Agile methodologies.

The Staff Software Engineer at Bazaarvoice will design and develop solutions for the Syndication platform, lead engineering excellence, mentor engineers, and resolve production issues.