AI Engineer / AI Agent Developer

Location: Remote or office work in Serbia or Ukraine; working schedule Monday-Friday, 8 am-5 pm EST.

Company

hirify.global is a fast-growing outsourcing company providing logistics and IT services.

What you will do

• Design, develop, and deploy custom AI agents, autonomous workflows, and AI-powered applications.
• Integrate LLMs and generative AI APIs, including OpenAI, Anthropic, and other providers, into business applications.
• Implement tool calling, function calling, context management, memory, multi-step execution, and single-agent or multi-agent architectures.
• Integrate agents with business systems, databases, third-party platforms, APIs, and internal tools; develop supporting backend services.
• Build RAG and knowledge retrieval solutions, then test, debug, evaluate, and optimize agents for accuracy, reliability, performance, and cost.
• Translate business requirements into technical solutions and own projects from discovery and design through deployment, documentation, and continuous improvement.

Requirements

• 2+ years of experience in Software Engineering, Backend Development, AI Engineering, or a related technical role.
• Hands-on experience building AI agents or AI-powered applications and developing working solutions rather than only configuring existing tools.
• Strong programming skills in Python and/or JavaScript/TypeScript.
• Experience with LLMs, generative AI APIs, and OpenAI API, Anthropic API, or other LLM providers.
• Understanding of AI agent architecture, including workflows, tool calling, function calling, context handling, and task orchestration.
• Experience with REST APIs, third-party integrations, backend services, software architecture, debugging, testing, and version control.
• Ability to translate business requirements into technical solutions, independently drive implementation, troubleshoot complex problems, and optimize performance and reliability.
• Strong analytical, problem-solving, communication, and collaboration skills with technical and non-technical stakeholders.
• English proficiency at B2 level or higher.

Nice to have

• Experience with LangChain, LangGraph, CrewAI, AutoGen, or similar AI agent frameworks and orchestration tools.
• Experience building multi-agent systems, autonomous AI workflows, and real-business or enterprise automation solutions.
• Knowledge of RAG, embeddings, semantic search, vector databases, prompt engineering, structured outputs, AI safety, and LLM guardrails.
• Experience with AWS, Azure, Google Cloud, Docker, CI/CD, cloud infrastructure, AI evaluation, observability, monitoring, and performance optimization.
• Experience with SQL and NoSQL databases and integrations with CRM, ATS, ERP, or other business systems.
• Portfolio of AI agents, applications, or projects demonstrating hands-on implementation skills.

Culture & Benefits

• Remote or office work depending on location, with flexible collaboration options based on project requirements.
• Competitive salary in USD and performance-based bonus opportunities.
• Equipment provided and paid time off.
• English courses and professional development opportunities.
• Practical AI projects addressing real business challenges, with opportunities for technical ownership and experimentation.