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

Posted Yesterday
Be an Early Applicant
Hiring Remotely in Poland
Remote
Senior level
Mobile • Software
The Role
Design and deliver full-stack applications using Python, FastAPI, React, and TypeScript. Build production LLM applications with RAG, prompt engineering, structured outputs, OpenAI APIs, vector search, and document processing. Monitor and improve LLM quality, maintain Azure-hosted applications, and integrate authentication. Collaborate with clients and senior stakeholders to translate ambiguous business needs into practical technical solutions.
Summary Generated by Built In
Why Join Exadel 

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.

From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.
What powers it all? Our people are ambitious, collaborative, and constantly evolving.

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.

Skills Required

  • Strong experience with React, TypeScript, and Python, including FastAPI or similar frameworks
  • 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 virtual machines, application hosting, and Entra ID or SSO
  • Strong client-facing communication and problem-solving skills
  • Upper-Intermediate English proficiency
  • MCP server development or Claude or 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

Exadel Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Exadel and has not been reviewed or approved by Exadel.

  • Fair & Transparent Compensation — Base pay is viewed as fair and market-competitive, with salaries delivered reliably and on time. Payroll stability and dependable processes are repeatedly emphasized as strengths.
  • Healthcare Strength — Offerings include medical healthcare and localized insurance that are presented as solid core benefits. Mentions of PTO and, in some cases, retirement contributions reinforce the benefits foundation.
  • Flexible Benefits — Remote and hybrid work options feature prominently as part of the package. Learning reimbursements and lifestyle perks such as well-being initiatives and sports support add adaptable elements to the offering.

Exadel Insights

Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: Walnut Creek, CA
1,549 Employees
Year Founded: 1998

What We Do

For more than 20 years, Exadel has been delivering Digital Transformation services, enterprise and custom software solutions for Fortune 500 clients, including HPE, Deloitte, Home Depot and McKesson. With 20+ locations and delivery centers across the US and Europe, Exadel solves the most complex engineering problems using Agile methodologies, offering a scalable and skilled mix of multi-shore resources at the industry's most competitive price. Exadel’s digital transformation solutions and services help chart new strategies that are built upon creative thinking, cutting-edge design, and technical innovation, designed for the growing digital landscape of business. Enterprise Services - Digital Transformation Experts - Developing mission-critical software and mobile applications - Advising companies on how best to leverage open source technology - Helping companies plan and implement migrations to better technology stacks - Providing QA, automation, and testing services for application development - Supporting and maintaining applications and systems for companies - Providing on-line training and mentoring to companies - Assisting companies in evaluating their current enterprise software architecture and planning for improvements or new systems.

Similar Jobs

Pfizer Logo Pfizer

Director, HTA, Value & Evidence (HV&E) - Rare Disease

Artificial Intelligence • Healthtech • Machine Learning • Natural Language Processing • Biotech • Pharmaceutical
In-Office or Remote
30 Locations
121990 Employees
177K-294K Annually

Circle (circle.so) Logo Circle (circle.so)

Growth Lead, Marketplace

Artificial Intelligence • Consumer Web • Digital Media • Information Technology • Social Impact • Software
Remote
54 Locations
250 Employees
147K-160K Annually

Affirm Logo Affirm

Software Engineer

Big Data • Fintech • Mobile • Payments • Financial Services
Easy Apply
Remote
Poland
2200 Employees
259K-379K Annually

Affirm Logo Affirm

Senior Software Engineer

Big Data • Fintech • Mobile • Payments • Financial Services
Easy Apply
Remote
Poland
2200 Employees
308K-428K Annually

Similar Companies Hiring

Ford Energy Thumbnail
Automotive • Software • Energy • Utilities • Manufacturing • Renewable Energy
Glendale, Kentucky
55 Employees
Revel Thumbnail
Aerospace • Hardware • Robotics • Software
Marina Del Rey, California
70 Employees
Blee Thumbnail
Artificial Intelligence • Marketing Tech • Software
New York, New York
33 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account