Top Software Engineer Jobs in Belfast

The Software Engineer II will design and optimize financial technology solutions, collaborate with cross-functional teams, and maintain robust code while ensuring compliance with industry standards.

The Software Engineer II role involves developing new features, maintaining services, collaborating with teams, and ensuring products meet customer needs.

As a Software Engineer II, you will design, build, and optimize billing services on the Apex Ascend platform using languages like Java and Python. Responsibilities include developing microservices, testing, debugging, and collaborating with teams to enhance billing applications.

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.

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.

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

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

Join Citi as a Python Software Engineer focused on Generative AI to design and develop production-grade AI solutions for Markets, collaborating with cross-functional teams to drive innovation.

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.

Lead architectural development across core products, focusing on operational excellence and innovation while driving collaboration and growth within teams.

The Senior Programmer Analyst will lead development using modern software engineering and DevOps practices, requiring extensive Java and Go expertise, along with fostering collaborative developer culture.

The Senior Software Engineer will design, develop, and maintain software solutions, focusing on customer identity verification and data analysis while collaborating with cross-functional teams to deliver robust products.

Train large-language models (LLMs) by evaluating, ranking, repairing, and refactoring code. Provide detailed feedback and maintain the RLHF pipeline.

The Software Engineer will analyze, rank, and improve AI-generated code, providing feedback for reinforcement learning in a remote role.

The role involves training large-language models to improve code generation, reviewing and editing AI-generated code, and providing feedback for reinforcement learning refinement.

The Senior Software Engineer will develop backend systems and Market Data APIs, focusing on high-performance solutions in a fast-paced environment, utilizing cloud-native technologies.

As a Software Engineer, you will help train large-language models in code evaluation and training, focusing on Ruby, with an emphasis on code review and improvement.

Train large-language models to improve code quality by comparing snippets, providing feedback, and refining AI-generated code. Requires strong communication skills and attention to detail.

Responsible for training large-language models by reviewing, ranking, and improving AI-generated code. Requires strong software engineering skills.

Review, rank, and improve AI-generated code to train LLMs: compare implementations, repair/refactor for correctness, efficiency, and style, and provide detailed feedback for RLHF pipelines. Work asynchronously as a remote contractor, injecting ratings, edits, and test results to improve model outputs.

Evaluate and improve AI-generated code: compare and rank snippets, repair and refactor for correctness, efficiency, and style, and inject detailed feedback and test results into the RLHF training pipeline as an asynchronous remote contributor.

Review, rank, and improve AI-generated code across languages, focusing on Ruby. Repair/refactor code, provide detailed written justifications, and inject ratings/edits/test results into the RLHF pipeline to help train models.

Evaluate, rank, repair, and refactor AI-generated code to improve correctness, efficiency, and style; provide detailed written feedback for RLHF pipelines; and help maintain the code-evaluation and training workflow remotely.

Review, rank, repair, and refactor AI-generated code to improve correctness, performance, and style. Provide detailed written feedback and edits for RLHF pipelines, converting expert judgments into signals used to train models. Work asynchronously as a remote 1099 contractor.