Senior/Lead Full-Stack Software Engineer (Python, React, AI)
What You’ll Do
Design, develop, and deliver full-stack applications using Python, FastAPI, React, and TypeScript
Build and deploy LLM-powered applications to production using RAG, prompt engineering, structured outputs, and OpenAI APIs
Implement vector and hybrid search solutions and document processing for PDF, Word, and Excel files
Evaluate, monitor, and improve LLM application quality using Langfuse or similar tools
Develop and maintain applications on Azure, including app hosting, VMs, and authentication integrations
Collaborate directly with clients, lead sessions with senior non-technical stakeholders, and communicate progress clearly
Translate ambiguous business needs into practical technical solutions
What You Bring
Strong experience with React, TypeScript, and Python, including FastAPI or similar frameworks
Proven experience delivering at least one LLM-powered application to production
Hands-on experience with RAG, prompt design, structured outputs, and OpenAI APIs
Experience with vector or hybrid search and parsing PDF, Word, and Excel documents
Familiarity with LLM evaluation and observability tools such as Langfuse
Working knowledge of Azure, including VMs, application hosting, and Entra ID / SSO
Strong client-facing communication and problem-solving skills
Nice to Have
MCP server development or Claude / AI agent integrations
Experience with PII protection, GDPR, and EU data residency, including tools such as Presidio
Background in finance, private equity, or M&A due diligence
English level
Upper-Intermediate
Legal & Hiring Information
Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more.
Reasonable accommodations are available to enable individuals with disabilities to perform essential functions.
Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs.
Compensation details are shared with candidates at the early stage of the recruitment process.
The offer is not binding until a signed contract is in place.
Your Benefits at Exadel
Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details.
International projects
In-office, hybrid, or remote flexibility
Medical healthcare
Recognition program
Ongoing learning & reimbursement
Well-being program
Team events & local benefits
Sports compensation
Referral bonuses
Top-tier equipment provision
Exadel Culture
We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters.