Top Software Engineer Jobs in Belfast

Develop and enhance dqlite, a distributed SQLite database, including debugging, implementing features, and engaging with the open source community.

Analyze and optimize ClickHouse database performance, develop performance tests, support engineering teams, collaborate with core teams, and engage with the open-source community.

Responsible for the technical deployment of the Guardian system, ensuring it meets requirements, integrating with client environments, and managing customer communications.

Build and deliver internal data tools and platforms, support ingestion systems and promote operational excellence in a collaborative environment.

As a Senior Blockchain Engineer, you will design and optimize smart contracts and blockchain infrastructure, collaborate with teams to ensure secure solutions, and lead development efforts in the DeFi ecosystem. You will analyze technologies, mentor staff, and enhance performance while maintaining security best practices.

As a Backend Engineer, you will build and maintain backend services, write maintainable code, review peers' work, and learn from experienced engineers while leveraging AI tools.

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

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.

The Senior Software Engineer will lead the design and management of cloud infrastructure, automate systems, ensure security, and enhance developer experience while mentoring the team.

The Senior Software Engineer at ClickHouse will design and build backend services for database management, contribute to automation, collaborate across teams, and improve operational processes.

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.

The Sr. Software Engineer will develop public APIs, build integrations with HRIS, maintain platform services, and enhance code quality using Generative AI tools.

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.

The Software Test Engineer at Citi will focus on automation testing, creating test plans and cases, and ensuring quality through rigorous testing practices across applications.

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.

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

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.

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

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.

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 Senior Software Engineer, you'll design, develop, and implement software solutions, mentor junior engineers, and collaborate with teams to deliver high-quality products.

The Senior Software Engineer will design and architect scalable software solutions, mentor engineers, drive technical decisions, and improve engineering practices within the team.