Top Software Engineer Jobs in Belfast

The Lead Software Engineer leads a team to develop high-quality software solutions, mentor junior staff, and ensure effective application performance and security.

Seeking a Senior Software Engineer with expertise in Kotlin or Java to enhance developer platforms and internal tools at Citi's CTO organization, focusing on server-side engineering and modern databases.

Lead the design and maintenance of scalable software solutions, optimize performance, mentor team members, and ensure operational integrity.

The role involves designing and implementing payment services, writing efficient backend code, and collaborating with cross-functional teams for seamless integration in a large scale distributed system.

The Junior Software Engineer Internship involves supporting vessel data processing software, performance analysis, software deployment, and documentation, within a graduate framework at Artemis Technologies.

A mid-level C# .Net Back End Software Engineer responsible for the software development lifecycle, collaborating with teams, and maintaining software applications with a focus on Azure cloud services.

Lead AI-enabled engineering initiative, designing multi-agent systems for software development, integrating AI tools, and collaborating across teams to innovate workflows.

The Senior JavaScript Software Engineer designs and builds applications using JavaScript, optimizes performance, collaborates with clients, and implements data storage solutions. Responsibilities include supporting component design, defining practices in source code management, and working in an agile environment with a focus on quality and collaboration.

Develop microservices and cloud services for Magnify's platform, collaborate with data science, and lead complex software projects in a startup environment.

The Software Engineer will build AI solutions for the Defence team, applying machine learning and high engineering standards while collaborating with technical teams.

The Software Engineer will lead the design and implementation of billing and invoicing improvements, engage with stakeholders, and mentor junior engineers while ensuring code quality and health.

The role involves designing and implementing security solutions for AI applications, collaborating across teams, and optimizing security capabilities against adversarial attacks.

Join a collaborative development team to design, implement, and maintain SaaS solutions, writing clean code and participating in Agile methodologies.

The Senior Software Engineer will build and maintain backend services while ensuring operational excellence, monitoring, and incident response, applying strong engineering principles and innovation.

Design and develop cloud-native SaaS applications, build scalable microservices, and maintain RESTful APIs. Collaborate in Agile environments, resolve production issues, and contribute to continuous improvement of engineering practices.

The Staff Software Engineer at Bazaarvoice will design and develop solutions for the Syndication platform, lead engineering excellence, mentor engineers, and resolve production issues.

Build internal developer tools (primarily in Python) as CLI tools and web apps that integrate with a Kubernetes-based platform. Collaborate with engineers to improve infrastructure, automation, and release velocity, ensuring reliable platform availability and developer productivity.

As a Software Engineer, you'll develop software for Ceph and distributed storage, collaborating with a global team to enhance cloud solutions.

Build and maintain backend-first features and integrations for Triptease's marketing channels. Work across the full stack (primarily backend), design scalable distributed systems, implement CI/CD on cloud platforms, collaborate closely with product teams, pair program, write tests (TDD), and contribute to squad strategy and product quality.

Canonical is hiring a Software Engineer to develop features for Kubernetes, focusing on operators and integrations while collaborating in a distributed team.

Design and implement robust Rust services for trading and payments while focusing on reliability and performance, collaborating on distributed systems architecture.

Design and implement robust Rust services and foundational libraries for Kraken's core infrastructure, ensuring security and maintainability while collaborating on distributed systems architecture.

As a Backend Software Engineer, you'll develop and maintain REST APIs using Django, manage cloud infrastructure, and oversee CI/CD pipelines to support consumer fintech applications.

As a Software Engineer, you will build and maintain financial platforms and applications that help homeowners track and manage their expenses, collaborate with the engineering team, and utilize AI for data insights.

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