Senior/Lead Full-Stack Software Engineer (Python, React, AI)

<h3>Why Join Exadel&nbsp;</h3> <p>We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.</p> <p>From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.<br>What powers it all? Our people are ambitious, collaborative, and constantly evolving.</p> <h3>What You’ll Do &nbsp;</h3> <ul> <li>Design, develop, and deliver full-stack applications using Python, FastAPI, React, and TypeScript</li> <li>Build and deploy LLM-powered applications to production using RAG, prompt engineering, structured outputs, and OpenAI APIs</li> <li>Implement vector and hybrid search solutions and document processing for PDF, Word, and Excel files</li> <li>Evaluate, monitor, and improve LLM application quality using Langfuse or similar tools</li> <li>Develop and maintain applications on Azure, including app hosting, VMs, and authentication integrations</li> <li>Collaborate directly with clients, lead sessions with senior non-technical stakeholders, and communicate progress clearly</li> <li>Translate ambiguous business needs into practical technical solutions</li> </ul> <h3>What You Bring</h3> <ul> <li>Strong experience with React, TypeScript, and Python, including FastAPI or similar frameworks</li> <li>Proven experience delivering at least one LLM-powered application to production</li> <li>Hands-on experience with RAG, prompt design, structured outputs, and OpenAI APIs</li> <li>Experience with vector or hybrid search and parsing PDF, Word, and Excel documents</li> <li>Familiarity with LLM evaluation and observability tools such as Langfuse</li> <li>Working knowledge of Azure, including VMs, application hosting, and Entra ID / SSO</li> <li>Strong client-facing communication and problem-solving skills</li> </ul> <h3>Nice to Have</h3> <ul> <li>MCP server development or Claude / AI agent integrations</li> <li>Experience with PII protection, GDPR, and EU data residency, including tools such as Presidio</li> <li>Background in finance, private equity, or M&amp;A due diligence</li> </ul> <h3>English level</h3> <p>Upper-Intermediate</p> <h3>Legal &amp; Hiring Information&nbsp;</h3> <ul> <li>Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more.</li> <li>Reasonable accommodations are available to enable individuals with disabilities to perform essential functions.</li> <li>Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs.</li> <li>Compensation details are shared with candidates at the early stage of the recruitment process.</li> <li>The offer is not binding until a signed contract is in place.</li> </ul> <h3>Your Benefits at Exadel&nbsp;&nbsp;</h3> <p>Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details.</p> <ul> <li>International projects</li> <li>In-office, hybrid, or remote flexibility</li> <li>Medical healthcare</li> <li>Recognition program</li> <li>Ongoing learning &amp; reimbursement&nbsp;</li> <li>Well-being program</li> <li>Team events &amp; local benefits&nbsp;</li> <li>Sports compensation&nbsp;</li> <li>Referral bonuses&nbsp;</li> <li>Top-tier equipment provision</li> </ul> <h3>Exadel Culture</h3> <p>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.</p>