Principal Fullstack Engineer (AI)

TL;DR

Principal Fullstack Engineer (AI Platform): Building a central GenAI Platform to empower product teams with scalable capabilities for rapid development, validation, and deployment of AI agents. Focus on designing full-stack systems, shaping platform capabilities, and contributing to the development of impactful AI agents.

Location: Hybrid (8 days/month) in Warsaw, Poland

Company

hirify.global is a global technology company that provides expert software and information solutions.

What you will do

• Design and implement full-stack applications, AI agents, and platform components for rapid GenAI agent development.
• Build developer tooling, CI/CD, and observability for fast iteration.
• Apply secure SDLC and privacy-by-design practices.
• Collaborate with product, UX, and domain experts to deliver customer-focused solutions.
• Apply current LLM patterns to deliver measurable customer value.
• Drive architecture, mentor engineers, and take ownership of larger projects.

Requirements

• 8+ years of professional software engineering experience.
• Strong full-stack development skills and cloud experience (AWS/Azure/GCP).
• Expertise in AI Agent development, Backend/Frontend development, Cloud services, CI/CD, SRE, Quality engineering, or Secure SDLC.
• Proven track record delivering secure, reliable, cloud-native systems to production.
• Excellent problem-solving, ownership, and cross-functional communication.
• Applicants may be required to appear onsite at a hirify.global office as part of the recruitment process.

Nice to have

• Proven ability to deliver software products independently or in a small team.
• Experience taking AI agents from concept to production, including safety evaluations and iterative testing.
• Experience with LangChain/LangGraph and MCP; vector/RAG systems; OpenSearch.
• Worked on traditional ML tasks like training, deployment, and monitoring.
• Familiarity with regulatory frameworks such as SOC2, HIPAA, etc.

Culture & Benefits

• Be part of a dynamic global technology company.
• Thrive in a caring and inclusive culture where you can belong.
• Make a real difference in the lives of millions of people.
• Combine the stability of an established company with the agility of a startup.

Hiring process

• 15-minute intro screen.
• 2 live coding interviews.
• 1 systems design interview.
• 1 presentation of past work.