Senior Gen-AI Engineer
CDI Bucharest (Municipiul Bucureşti)
Job description
An exciting opportunity to join our client's team at a fast-growing digital product engineering company with a global presence and a diverse team of experts. The company focuses on creating innovative products and experiences that inspire and delight. We are looking for a Senior Gen-AI Engineer to join this organization.
Responsibilities
- Design, develop, and maintain scalable Python-based APIs and backend services using FastAPI and related frameworks.
- Build, deploy, and optimize production-grade LLM applications using providers such as OpenAI and Anthropic.
- Design and implement end-to-end RAG solutions, including vector databases, semantic search, retrieval optimization, and chunking strategies.
- Develop and manage secure, scalable MCP servers and AI infrastructure.
- Build and orchestrate multi-agent systems to automate complex workflows and business processes.
- Create, test, and refine prompts, agent instructions, and LLM interactions to improve solution quality and performance.
- Leverage AI-assisted development tools (e.g., Claude Code, Cursor, GitHub Copilot) to accelerate software delivery and engineering efficiency.
- Implement event-driven architectures, messaging systems, and real-time communication patterns.
- Monitor, troubleshoot, and optimize AI and backend systems for performance, reliability, scalability, and security.
- Collaborate with cross-functional teams to deliver innovative AI solutions and establish engineering best practices.
Requirements
- 8+ years of experience developing APIs with Python
- 2+ years of experience developing and experimenting with LLMs
- Hands-on, daily use of AI-assisted and agentic coding tools to write and refactor code, automate workflows, and optimize engineering processes
- Strong experience with Python, particularly in building REST APIs using frameworks like FastAPI
- Grounding in NLP and machine learning as they relate to building LLM systems
- Strong experience working with key LLM models APIs such as OpenAI and Anthropic
- Experience building, deploying, and securing MCP servers at scale
- Understanding of multi-agent systems and their applications in complex problem-solving scenarios
- Experience designing and implementing RAG systems end-to-end, including vector databases, semantic search, retrieval quality, and chunking strategy
- Proficiency with server-side events, event-driven architectures, and messaging systems
In addition to the salary, the company offers the following benefits
- Access to private medical services.
- Sports benefits - discounts/membership for specialized vendors, wellbeing initiatives related to sport, wellbeing workshops and participation in sports events.
- Referral bonus through our special internal programme.
- Access to legal assistance and counseling services.
- Lunch tickets.
- Vacation time based on seniority with potential to increase depending on tenure in our company.
- Access to e-learning platforms and various training programs.
What is RSight®
RSight® is a next-generation recruitment solution, committed to the values of fairness, transparency, and human-centric hiring. RSight® aims to redefine recruitment, putting people and potential at the heart of every opportunity.
Application Instructions
Please submit your resume (mandatory) outlining your qualifications and interest in the position. Only candidates selected for interviews will be contacted.
Desired profile
8+ years of experience developing APIs with Python, 2+ years of experience developing and experimenting with LLMs, daily use of AI-assisted coding tools to write and refactor code, automate workflows, and optimize engineering processes. Strong background in Python, especially in building REST APIs with frameworks like FastAPI. Knowledge of NLP and machine learning related to building LLM systems. Strong experience with key LLM model APIs such as OpenAI and Anthropic. Experience building, deploying, and securing MCP servers at scale. Understanding of multi-agent systems and their applications in complex problem-solving scenarios. Experience in designing and implementing end-to-end RAG systems, including vector databases, semantic search, retrieval quality, and slicing strategy. Proficiency in server-side events, event-driven architectures, and messaging systems.
About rsight
An optimized combination between Human & Digital RSight® is bringing the recruitment to another level of experience and interaction, offering a unique recruitment experience for each client, candidate and partner. By leveraging the latest technologies and Artificial Intelligence, RSight provides recruiting organizations and individuals with an augmented quality of service and go beyond the current industry possibilities.