Top Software Engineer Jobs in Belfast

Lead design and implementation of C++ software for secure embedded payment terminals, handling EMV/contactless/mobile transactions, cryptography and POS integrations. Drive full SDLC delivery, mentor engineers, improve CI/CD and tooling, troubleshoot embedded stacks, and collaborate with product and test teams to deliver production-grade solutions.

As a Staff Software Engineer, you will lead software development for payment solutions, enhance code quality, and ensure compliance standards.

Lead the design and development of complex Rails features, mentor junior engineers, define technical direction, and ensure high-quality code while collaborating with stakeholders.

Responsible for building scalable distributed systems, mentoring teammates, innovating on technical solutions, and improving team processes. Requires expertise in backend languages, especially Golang and Typescript.

Design, implement, and maintain Golang infrastructure services for Confluent Cloud. Ensure availability, performance, and capacity planning of cloud systems while collaborating with engineering teams.

Design and maintain Golang infrastructure services for the Confluent Cloud Platform, ensuring performance, availability, and capacity planning of the service.

The Principal Software Engineer will enhance product features, mentor team members, and handle a variety of technical challenges within the engineering team, focusing on quality and performance.

Join Reedsy to develop and improve a collaborative word processor, adding features and ensuring performance and security for users.

As a Staff Software Engineer, you will develop scalable software solutions, provide technical leadership, conduct code reviews, mentor engineers, and ensure operational excellence and innovation in the software development process.

The Software Development Engineer will develop full-stack applications, ensure code quality, participate in Agile ceremonies, and mentor team members, focusing on secure coding and delivery.

The Principal Software Engineer will lead the design, implementation, and maintenance of scalable software solutions, mentor other engineers, and drive engineering excellence, particularly focusing on developer tools and cloud-native environments.

The Staff Software Engineer designs and develops payment processing solutions, mentors team members, improves software methodologies, and collaborates on product delivery.

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.

The role involves designing, developing, and maintaining high-throughput systems for the billing platform, collaborating with teams, leading technical discussions, and mentoring other engineers.

As a Senior Software Engineer, you will collaborate to build and maintain Co-op applications, develop APIs, coach colleagues, and resolve technical challenges.

This role involves designing, implementing, and maintaining the VERA engine core and its ecosystem, focusing on production-grade stream processing and system-level software development.

As a Software Development Engineer II, you will develop and maintain web services for navigation solutions, ensuring reliability and performance while collaborating with the team.

The role involves developing scalable backend services, AI-enabled tools for marketers, and ensuring collaboration in real-time in a remote setting.

As a Software Engineer, you'll build reliable systems, drive innovation in autonomous squads, and mentor within a collaborative engineering community.

As a Senior Software Engineer at Rewardful, you'll improve infrastructure, optimize performance, implement scalable solutions, and develop new features for our SaaS affiliate management platform.

The Staff Software Engineer will lead a team in developing cloud-enabled products, manage technical design, mentor junior engineers, and enhance G-P's platform with integrations and API management.

The Senior Software Engineer will design and build integrations, develop microservices, maintain APIs, and collaborate with product teams to fulfill business needs.

This role involves enhancing Firefox development workflows, mentoring team members, and improving integration and automation processes while working in a distributed team.

Develop software features for high-performance packet forwarding systems, integrate with hardware teams, and ensure software quality through testing and documentation.

The Staff Engineer will enhance developer workflows and platforms, focusing on local development, integration of AI in SDLC, and collaboration to improve CI/CD and productivity metrics.