5 of 5 Permanent API Design Jobs in Northern Ireland

Backend Software Engineer - SaaS - Remote (Northern Ireland) JBLE1 NI

Hiring Organisation
VANRATH
Location
Belfast, UK
genuine impact on technical direction, engineering standards, and long-term platform strategy. As a Senior Backend Engineer, you will take ownership of backend architecture, API design, infrastructure, and platform reliability. You will work closely with developers across the business to improve scalability, security, performance, and operational excellence while … experience working with AWS cloud infrastructure including services such as Lambda, RDS, S3, and IAM * Strong understanding of application security, authentication, authorisation, and secure API design * Experience designing, optimising, and scaling relational databases (PostgreSQL preferred) * Experience with CI/CD pipelines, DevOps practices, and production environments * Comfortable leading ...

Senior Backend Developer JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
people who bring something new to the team, not just technical skills. What You'll Be Doing As a Senior Backend Developer, you will design, build, and optimise high-quality server-side applications and APIs that power complex digital experiences. Working closely with front-end engineers, DevOps specialists, cloud … building scalable APIs and microservices Hands-on experience with cloud platforms (AWS, Azure, or GCP), including serverless compute Solid understanding of authentication, authorisation, and API security best practices Strong problem-solving skills and familiarity with cloud-native development patterns Desirable Experience with headless e-commerce platforms such as commercetools ...

Senior Backend Developer ( Go/Java) JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
experience. You'll work closely with engineering, DevOps, and product teams while mentoring others and helping shape the future of the platform. Key Responsibilities: Design, build, and maintain scalable backend services in Go and Java that deliver a seamless and reliable user experience. Lead internal and customer-facing projects … from concept through delivery, with strong ownership and high-quality execution. Own backend architecture, driving improvements in system design, reliability, and maintainability. Build high-availability, cloud-native infrastructure that scales with customer growth. Improve monitoring, alerting, and observability to ensure fast detection and resolution of customer-impacting issues. Contribute ...

Software Engineer (PHP) JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
Solid understanding of performance optimisation and scalable architecture Experience working in cloud environments (AWS, Azure or GCP) Understanding of distributed systems and API design Experience with databases and performance tuning Familiarity with containerisation (Docker/Kubernetes beneficial) Comfortable working in a start-up or high-growth environment ...

Principal React Engineer JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
frontend architecture and standards across the organisation Drive adoption of React and TypeScript best practice across multiple teams Build and scale component libraries and design systems Partner with Product and UX to deliver clean, intuitive interfaces Mentor engineers and contribute to the overall capability of the team Own performance … accessibility, and long-term maintainability of the frontend Work closely with backend teams on API design and integration Champion modern tooling, testing practices, and CI/CD Contribute to the technical roadmap and broader engineering strategy What You'll Bring Essential Strong commercial experience with React and TypeScript ...