Top Software Engineer Jobs in Belfast

Seeking a Senior Software Engineer for designing, developing, and maintaining software solutions; focusing on billing platforms and collaboration across teams.

As a Staff Software Engineer, you will lead frontend platform development, improve UI solutions, and mentor engineers while ensuring alignment with business needs.

As a Senior iOS Engineer, you will lead engineering decisions, ship production code for the iOS app, and participate in product discussions to enhance the existing app architecture.

As a Software Engineer II at Affirm, you will develop backend systems, collaborate with product teams, and support operations, ensuring timely project delivery while fostering team engagement and growth.

The Software Engineer will design, develop, and maintain backend services and APIs for Speechify, ensuring they meet business and scalability requirements. The role involves collaboration on B2B solutions and aligning backend architecture with product strategy.

Develop and maintain high-volume exchange connectivity software, work within an agile team, write efficient code, and mentor team members.

The Senior Software Engineer will develop and maintain backend systems for Apex's Margin product, focusing on scalability, performance, and collaboration with cross-functional teams. Responsibilities include backend development, microservices engineering, API design, and mentorship of junior engineers, ensuring secure and efficient solutions for financial systems.

The Senior Software Engineer will design and build backend services for health data, improve reliability, and deliver robust solutions to enhance patient care.

The Software Engineer will build customer-facing products for healthcare, focusing on full-stack feature development and user experience, while engaging with customers and iterating on the product based on feedback.

The role involves writing high-quality back-end code in Java or Kotlin, contributing to architectural decisions, and automating SDLC processes. You will lead a small team, apply AI in projects, and ensure clear communication across distributed teams.

The role involves training large language models to write production-grade code, comparing snippets, refactoring code, and providing feedback for reinforcement learning processes.

The Software Engineer will train large language models by reviewing code snippets, improving AI-generated code, and providing detailed feedback, ensuring efficiency and correctness.

Train large language models to write code by reviewing code snippets and providing feedback for improvements. Requires 3+ years of Ruby experience.

As a Software Engineer in AI, you will train large language models, rank and review code snippets, and provide feedback for improvements.

The role involves training large language models to write production-grade code using Java, performing code reviews, refactoring, and providing detailed explanations for coding decisions.

Train large language models to write production-grade code across languages, review and improve AI-generated code, and maintain the RLHF feedback pipeline.

As a Rust Software Engineer, you'll train large language models to generate and refine code, compare snippets, and ensure quality through detailed code reviews.

Design and implement billing systems while optimizing performance and mentoring engineering teams. Collaborate with finance and compliance to translate business needs into technical solutions.

The Senior Software Engineer II will enhance operational excellence by designing automated reliability systems, incident management tooling, and observability infrastructure while mentoring teams and implementing AI-driven solutions.

Senior engineer responsible for end-to-end delivery of scalable, reliable features. Design and implement Python-based services, work with Kubernetes and cloud platforms, contribute to architecture, champion testing/monitoring, and mentor junior engineers while partnering with product and UX teams to meet customer needs.

The Senior Software Engineer II on the Sustainability team develops scalable software solutions for vehicle telematics, focusing on efficiency and environmental benefits. Responsibilities include leading technical discussions, collaborating on design, shipping features, and maintaining production systems while promoting company values.

As a Software Engineer, you'll create and optimize workforce analytics platforms using JavaScript/TypeScript, AWS services, and data modeling, while collaborating in an agile team for customer-focused delivery.

The Senior Software Engineer will design high impact features, collaborate with teams, ensure maintainable systems, and write quality code.

The role involves improving Paddle's developer experience by managing backend services, API practices, and SDK development using Go and AWS. You'll collaborate with cross-functional teams to shape user experience and stability in production systems.

The Software Deployment Engineer will oversee Guardian deployments, ensuring alignment with requirements, capturing customer needs, and integrating solutions, alongside documentation and stakeholder communication.