Senior Software Engineer (Agentic AI & API Platform)

TL;DR

Senior Software Engineer (Agentic AI & API Platform): Designing and delivering high-throughput, low-latency backend APIs and frameworks for agentic AI use cases with an accent on contract-first API design, performance/scalability, and resilient, self-describing integrations. Focus on building REST/GraphQL capabilities, implementing observability (metrics, tracing, structured logging), and driving incident remediation for mission-critical product flows.

Location: Ireland, Dublin

Salary: €86,400–€129,600 base (EU location)

Company

hirify.global builds AI-driven platforms for managing people and money, enabling next-generation work experiences.

What you will do

• Lead end-to-end design and development of complex backend services and APIs for Product Engineering teams.
• Define evolvable API contracts and data models using OpenAPI and internal standards, aligning with product managers, architects, and partner teams.
• Expose capabilities via REST, GraphQL, and integration patterns that are friendly to AI agents and external consumers.
• Drive performance and scalability improvements, including latency optimization, capacity planning, and resiliency strategies.
• Design and implement observability for product APIs (metrics, tracing, structured logging) and use data to guide technical decisions and SLOs.
• Provide technical leadership through design reviews/RFCs/spikes, mentor engineers, and own root-cause analysis and long-term remediation during incidents.

Requirements

• 8+ years of software development engineering, architecting, building, and scaling robust backend systems.
• 5+ years hands-on production experience with TypeScript or Python.
• 4+ years dedicated experience designing, building, and maintaining scalable web APIs (REST and/or GraphQL) with contract-first design (e.g., OpenAPI/Swagger).
• 3+ years experience with distributed systems, high-throughput workloads, concurrency, or advanced caching strategies.
• 2+ years experience implementing and managing production observability (structured logging, distributed tracing, metrics) and owning on-call/incident remediation.

Culture & Benefits

• Flex Work model: spend at least 50% of time each quarter in the office or in the field with customers, prospects, and partners.
• Opportunity to collaborate in offices for important moments for remote “home office” roles.
• Company culture focused on integrity, empathy, and shared enthusiasm.
• Support for growth: tools to develop skills and long-term investment in employees.