4 of 4 Permanent API Design Jobs in Northern Ireland

AI Backend Engineer - Data & Integration

Hiring Organisation
Digital Iron
Location
Belfast, Northern Ireland, United Kingdom
intersection of knowledge graphs, real-time IoT data, and enterprise integration—building infrastructure that thousands of businesses will depend on. What You'll Own Design the framework that supports multiple partnership and customer models: Deep Embedded (white-label components), Best-of-Breed SaaS (standalone platform with APIs), Data Layer … Only (predictions via API) Evaluate architectural tradeoffs across complexity, risk, scalability, time-to-market, and value capture for each pattern Make build vs. buy decisions: direct API integrations vs. iPaaS middleware vs. embedded agents Define authentication strategies across OAuth 2.0, certificate-based auth, and federated identity for different ...

Enterprise Architect

Hiring Organisation
CitNOW Group
Location
Belfast, UK
Employment Type
Full-time
enterprise architecture framework that spans all acquired businesses Define standards and blueprints for integration, data architecture, and core enterprise systems Integration & Consolidation Lead the design of integration strategies to connect disparate platforms, applications, and processes across the group and with external third-parties Oversee consolidation of legacy systems while … ensure consistency, quality, and accessibility of information Implement governance frameworks for master data management, analytics, and compliance with industry regulations Traditional Enterprise Architecture Design and maintain models for business, application, and technology architectures Ensure scalability, security, and resilience across infrastructure and software platforms Innovation & Transformation Identify opportunities to leverage ...

Senior Backend Geospatial Platform Engineer

Hiring Organisation
MapBI
Location
Belfast, UK
Employment Type
Full-time
strong focus on cloud infrastructure, data engineering, and geospatial processing. You will work closely with frontend engineers, product managers, and the CTO to design and evolve a highly scalable, asynchronous, cloud-native platform. This is a hands-on senior engineering role with real technical ownership, influence over architecture … architectural decisions around scalability, performance, and security Cloud & Infrastructure (AWS) Developing on AWS using services such as: Lambda, Fargate, EC2 S3, SNS, SQS API Gateway, AppSync DynamoDB, RDS Working with Bitbucket + AWS CodePipeline for CI/CD Supporting secure, production-grade cloud deployments Geospatial & Data Engineering Working with ...

Senior Backend Developer (.NET | AI-First SaaS Platform)

Hiring Organisation
Keepnet
Location
Belfast, UK
Employment Type
Full-time
that power these systems, working in a multinational, AI-first engineering team where quality, ownership, and long-term thinking matter. What You'll Do Design, build, and maintain scalable backend services for Keepnet's Human Risk Management platform. Build clean, modular APIs that integrate internal services and third-party … enable automation, reporting, and security workflows. Develop testable, maintainable codebases using principles such as Clean Architecture, DDD, and TDD. Own the full development lifecycle: design, implementation, CI/CD (Azure), and post-release monitoring. Work on distributed and asynchronous systems using message queues, background workers, and event-driven workflows. ...