Top Software Engineer Jobs in Belfast

The Software Engineer will design, develop, and support the MEMX Trading system software, focusing on production support during US evening hours.

Build backend features for restaurant partners, identify technical opportunities, own projects, collaborate with a team, and ensure service quality and performance.

The Software Engineer will design and develop scalable back-end architectures and customer-facing .NET applications, collaborating with various stakeholders to deliver high-quality features.

As a Software Engineer, you will build and maintain scalable, secure backend systems for integrating various blockchains, ensuring client fund safety and optimizing databases.

The Lead Golang Software Engineer develops server solutions, leads technical designs and code reviews, mentors colleagues, and ensures the quality of engineering practices in the Commercial Systems unit.

The Python Software Engineer will develop and maintain test automation tools for hardware certification and improve Linux testing methods.

You will build and maintain container images, automate CI/CD processes, engage with the community, and mentor junior team members in a collaborative environment.

Lead Python Software Engineer responsible for developing solutions, collaborating on designs, mentoring team members, and enhancing engineering practices.

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

We are looking for a Senior Fullstack Software Engineer to join our team, working on building and optimizing systems for electric car leasing.

Design, build, and maintain backend systems for products, focusing on APIs, data models, and distributed systems. Collaborate with teams to ensure system reliability and performance.

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

The role involves designing and implementing services in Rust and TypeScript, integrating new blockchains, and maintaining high-volume systems. Responsibilities also include security design, collaboration with teams on blockchain needs, and contributing to internal tools and documentation.

As a Senior Software Engineer, you will build scalable systems, develop services using Golang, and collaborate with cross-functional teams to enhance cryptocurrency products.

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 role involves designing and implementing features, debugging, maintaining documentation, and collaborating with the community in the Mir graphics stack.

The Back End Software Engineer will design and develop Azure SaaS applications, collaborate with teams, prototype solutions, and maintain application performance while resolving issues.

Design, develop, and maintain front-end applications using Vue and TypeScript, collaborate with teams, and integrate emerging technologies.

Responsible for setting technical strategy, collaborating across teams on backend systems, ensuring operational reliability, fostering team culture, and developing team talent.

As a Software Engineer II, you will build and maintain features on Stora's Rails-based platform, improve app stability, and collaborate with a small team on various domains.

Develop and maintain the SystemOperations application suite and own platform infrastructure for OT/IT environments. Implement IAM, device credential workflows, MQTT optimization, containerized deployments, GraphQL/SQL services, and Angular components while ensuring security and IEC-62443 compliance.

Build and evolve device and service monitoring for OT systems: design data ingestion, time-series structures, dashboards, alerting, logging and audit trails aligned with IEC-62443; develop backend services with NestJS, contribute to Angular dashboards, integrate devices, improve data quality, and enable ML-ready analytics for anomaly detection and predictive insights.

Develop and maintain SystemOperations applications (NestJS, Angular, GraphQL, SQL, MQTT). Own and improve CI/CD pipelines, release automation, tooling (GitHub, Atlassian, Nexus, SonarQube), environment administration, and observability while ensuring IEC-62443 security alignment and cross-functional collaboration.