Top Software Engineer Jobs in Belfast

As a Senior Backend Engineer, you will design, build, and maintain scalable backend services for HubSpot's Global Search, collaborating with teams to optimize data retrieval and system performance.

The Senior Software Engineer II will develop impactful production code, design new features, and enhance user experiences while collaborating with cross-functional teams.

The Junior Software Developer will collaborate on a cloud-native monitoring stack, developing features, debugging, and representing Canonical at events.

As a Senior Software Engineer, you will develop and manage a MongoDB solution on various platforms, ensuring reliability and security while contributing to a small team focused on impactful projects.

As a Mid-Level Backend Engineer, you'll enhance the reliability, observability, and scalability of the EVC platform by building API integrations, improving system performance, and strengthening infrastructure.

Lead design, optimization, and deployment of automation efforts using large-scale ML/AI systems, ensuring scalable and efficient infrastructure.

You will influence the product roadmap, design and maintain systems, mentor team members, and contribute to an open-source culture in a fully remote team.

As a Senior Software Engineer at TrueLayer, you will develop and maintain distributed systems, ensuring scalability and reliability while collaborating with product and engineering teams.

As a Senior Software Engineer, you will design, develop, and deliver solutions for user-generated content management, focusing on quality, security, and scalability. Responsibilities include TDD, working on microservices, coaching junior engineers, and resolving production issues.

The Staff Software Engineer will own architecture for Java ecosystem infrastructure and build systems, ensuring secure, reproducible build workflows while mentoring peers and enhancing developer tools.

As an Intern Software Engineer, you will work on extending product lines, improve patient care through algorithm development, and develop API integrations.

Build and optimize Alpaca's algo trading platform, focusing on high-performance brokerage services while leveraging frontend and backend engineering skills.

The Software Application Developer will engage in full-stack JavaScript development, provide technical support, manage database structures, and troubleshoot issues while working in an Agile environment.

As a Principal Software Engineer, you will lead engineering teams, innovate on application security platforms, mentor peers, and drive technical implementations in cloud-native architectures.

Lead the design and implementation of scalable, distributed systems, focusing on Reporting and Insights applications for clients. Guide software initiatives, mentor team members, and drive engineering best practices.

This role involves designing, implementing, and supporting backend data systems, aggregating data, and guiding technology choices while ensuring high performance and availability.

As a Staff Software Engineer, you will lead the technical strategy for JavaScript infrastructure, develop tooling, and mentor other engineers in this infrastructure-centric role.

Lead teams to develop high-quality software solutions, mentor junior members, and interact with customers while managing technical ownership of projects.

As a Senior Machine Learning Engineer, you'll design and implement ML models, develop data pipelines, and collaborate on AI features at Mural.

As a Principal Data Engineer, lead the design and development of high-performance data systems, ensuring reliability and scalability while leveraging Apache Kafka and cloud technologies.

As a Software Development Engineer, you'll develop the Endpoint Privilege Management Solution, focusing on high performance, system design, and quality improvement while guiding junior team members.

Lead the development of backend platforms for national security and defence clients, leveraging cloud technologies and Agile methodologies, while ensuring operational responsibility for services and collaborating in cross-functional teams.

As a Senior Software Engineer, you'll maintain critical parts of ClickHouse's Data engineering ecosystem, focusing on JVM-based frameworks and ensuring high-performance integrations for real-time analytics and data workloads.

Design and implement backend systems and APIs for HyperDX, scale deployments and infrastructure, and drive operational excellence for observability data processing.

The Senior Software Engineer will design, build, and evolve customer-facing backend services and public APIs, working closely with Product and Experience teams.