Top Software Engineer Jobs in Belfast

The Senior Software Engineer ensures the reliability and performance of the Mural editor, collaborates on technical projects, and designs APIs for real-time collaboration. Responsibilities include product engineering, mentoring, and improving team processes while focusing on performance and developer experience.

Design, develop, and enhance Cority's software and client solutions. Lead technical decisions, produce production-ready code, mentor junior developers, collaborate with Product Owners, ensure CI/CD and testing automation, and provide support and maintenance for assigned functional areas.

Senior Software Engineer will own end-to-end delivery in a Learner Experience pod, work full-stack to shape and ship AI-first edtech features, coach engineers, collaborate with stakeholders, and maintain high engineering standards (TDD, code review).

Design, build, and operate scalable, resilient payment services and APIs for high-volume ecommerce. Own end-to-end features, improve observability and reliability, champion engineering best practices, and support production systems.

Design, build, and operate scalable backend microservices and APIs for pricing and promotions. Implement Kafka-based event-driven architectures, GraphQL/REST APIs, and resilient low-latency solutions using MongoDB, Redis, and PostgreSQL. Own features from design through deployment and production support.

Design, build, and operate scalable, resilient backend services and APIs for the full customer order lifecycle. Implement microservices, event-driven Kafka workflows, GraphQL/REST APIs, and low-latency solutions using distributed databases and caching. Collaborate with product, architecture, and business stakeholders to solve high-volume transactional commerce challenges.

Lead and contribute to Elasticsearch core search and indexing capabilities. Define technical vision for indexing, retrieval, and relevance; research algorithms and data structures; collaborate cross-team to drive roadmap, mentor engineers, and implement scalable search features.

Lead design and implementation of vector similarity search features in Elasticsearch, improve relevance and performance, invent or apply algorithms/data structures, fix bugs, collaborate with a global team, and write idiomatic modern Java.

The Lead Software Engineer designs and develops software solutions, leads teams, mentors junior members, and interacts with customers while integrating AI or ML technology.

Lead the development of software solutions for a logistics platform, overseeing technical strategy, mentoring teams, and ensuring high-quality software delivery.

As a Senior Software Engineer, you will develop and maintain ClickHouse's data ecosystem, focusing on Python integrations with orchestration and transformation tools. You'll engage with the open-source community while enhancing performance and reliability for data practitioners.

The role involves designing and maintaining scalable software platforms, troubleshooting complex problems, mentoring engineers, and establishing best practices to ensure software integrity.

Develop and optimize embedded software systems, mentor junior engineers, collaborate with cross-functional teams, and ensure software performance and reliability.

Develop and optimize embedded software for diverse hardware platforms, lead software architecture efforts, mentor junior engineers, and ensure quality through testing and collaboration with cross-functional teams.

Design, build and optimise Python-based AI applications and data storage solutions. Collaborate with clients and teams, enforce code quality, CI/CD, testing practices, and deliver scalable production systems across cloud environments while travelling to client sites.

The Senior II Software Engineer will design scalable storage solutions, solve complex issues, and improve distributed systems in an Agile environment.

Lead prototyping and delivery of high-impact software solutions by researching and applying emerging technologies, building and maintaining modern applications, contributing to architecture and technical decisions, mentoring juniors, and communicating technical trade-offs to stakeholders.

Develop reliable cloud services on the hyperscaler platform, contributing to cloud infrastructure, databases, and monitoring systems. Must write reliable code with team-oriented skills.

The role involves designing and developing AI-driven automation solutions to enhance the reliability and efficiency of applications, focusing on reducing manual tasks and improving system support through collaboration with teams and stakeholders.

The Staff Software Engineer will design and build backend platforms for content and media, develop APIs, lead architecture design, and act as a technical authority.

Build and evolve Python-based AI services powering personalised recommendation and conversational experiences. Design and implement evaluation frameworks (including LLM-based evaluation), run experiments and data-driven improvements, integrate AI services with APIs, and improve relevance, consistency, and customer outcomes at scale.

Design, build, and operate scalable Order Management capabilities for checkout, fulfilment, returns, amendments, and cancellations. Own end-to-end features, shape platform architecture, improve integrations and automation, and drive observability, resilience, and operational excellence in a high-volume retail environment.

Design, build, and own end-to-end order management capabilities for checkout, fulfilment, returns, amendments, and cancellations. Drive platform architecture, integrations, CI/CD, observability, resilience, and operational excellence. Mentor engineers, collaborate with product and fulfilment stakeholders, and continuously improve engineering standards and tooling.

Lead technical teams to design, build, test, and maintain modern, scalable software. Provide architecture and product ownership, mentor and coach junior engineers, drive CI/CD practices, and collaborate with customers to deliver high-quality solutions.

Design and implement a distributed control plane for Confluent Cloud offerings, utilizing Kubernetes and various programming languages, while supporting the product lifecycle.