Top Backend Jobs in Belfast

As a Senior Backend Engineer, you'll develop tools, APIs, and integrations using Elixir and Phoenix, while mentoring other engineers and contributing to team projects.

As a Senior Backend Engineer at HubSpot, you'll design and build impactful features, collaborate across teams, and enhance user satisfaction while empowering SMBs with our technology.

As a Senior Backend Engineer, you will collaborate with cross-functional teams to build resilient software and support various banking operations using technologies like Go and Kubernetes.

The Backend Engineer III will collaborate with cross-functional teams to design and build parts of Monzo's banking platform using technologies like Go and Kubernetes, focusing on customer outcomes and resilient software.

As a Staff Backend Engineer, you will collaborate across teams to build and improve backend systems using various technologies, focusing on customer-centric solutions and resilient software.

As a Senior Product Engineer at Attio, you'll design and build scalable backend systems, lead projects, and innovate in cloud-native architecture, ensuring performance and reliability.

The Fullstack Engineer will focus on product software engineering, agents framework engineering, and R&D in AI and cybersecurity. Responsibilities include hands-on engineering, testing, and integrating AI Agents into existing systems.

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 QA Engineer, you'll design and develop automated tests for DeFi backend systems, ensuring quality and performance. You'll validate smart contract integrations and performance under load while collaborating with teams to resolve issues.

The Senior Java Backend Engineer will lead backend development for a migration project in a complex AWS environment, focusing on automating the actuarial lifecycle in Reinsurance and ensuring alignment with architectural standards.

As a Backend Engineer, you'll design and develop scalable web applications and APIs, contributing to our AWS-based infrastructure and maintaining high engineering standards.

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

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.

Design, build, and maintain scalable features for an AI workspace platform, ensuring quality and performance while collaborating across teams.

You will design and build scalable backend systems and data infrastructure to automate financial processes, utilizing Python and GCP for global clients.

As a Senior Software Engineer, you will build scalable distributed systems, improve developer experience, mentor peers, and lead incident responses.

The Lead Backend Developer will architect and lead a team in developing a scalable retail ecosystem backend, focusing on microservices and AWS infrastructure, ensuring quality and security while providing hands-on coding and team management.

Develop and maintain scalable microservices and RESTful APIs using Java and Spring Boot on AWS infrastructure. Collaborate with the team to deliver high-quality services.

Develop and maintain highly-scalable backends for a sports betting platform. Collaborate with team on features, support production applications, and mentor juniors.

Develop microservices for a top sports betting platform, ensuring stability and scalability to accommodate millions of users. Responsibilities include feature development, code reviews, and mentoring.

As a Senior Backend Engineer, you will develop scalable microservices, design APIs, monitor system performance, and maintain service reliability across the 1inch infrastructure.

Develop scalable backend systems, mentor team members, participate in code reviews, and collaborate with Product Owners to enhance features.

As a Senior Backend Engineer, you will design and develop core backend services for user management, integrating with Keycloak, and ensuring production stability.

The role entails developing scalable backend systems using Node.js and Nest.js, ensuring high performance and security, and optimizing microservices architecture. Responsibilities also include system monitoring, code quality checks, and collaboration within a fintech context.

NetBox Labs seeks a Backend Engineer to design and maintain backend systems, collaborate on APIs, optimize data, and ensure software reliability. Ideal candidates have strong Golang and Python skills and 5+ years of experience.