The demand for developers who can seamlessly bridge modern front‑end frameworks with robust back‑end services has never been higher. Companies are racing to deliver fast, accessible web experiences while maintaining scalable APIs, making full‑stack expertise a premium skill set. This React + Python role in Chicago offers a chance to leverage eight years of experience on high‑impact projects and command a competitive contract rate.

Job Summary

We are seeking a senior‑level React/Python Engineer to design, build, and optimize responsive user interfaces and high‑performance backend APIs. The role involves using React with Vite for UI development, ensuring performance and accessibility, while crafting Python‑based services, managing MySQL databases with SQLAlchemy/Alembic, and implementing comprehensive testing with Vitest, Playwright, and Pytest.

Top 3 Critical Skills Table

Interview Preparation

1. How do you optimize a React application for performance and accessibility?
   What the interviewer is looking for: Understanding of code‑splitting, memoization, lazy loading, ARIA roles, keyboard navigation, and Lighthouse metrics.
2. Explain the process of building a RESTful API with Python and SQLAlchemy.
   What the interviewer is looking for: Ability to design endpoints, handle serialization, manage sessions, and implement CRUD operations safely.
3. Describe a migration strategy using Alembic for a production MySQL database.
   What the interviewer is looking for: Knowledge of version‑controlled migrations, handling data transformations, and rollback procedures.
4. What are the advantages of using Vite over traditional bundlers like Webpack in a React project?
   What the interviewer is looking for: Insight into faster dev server start‑up, native ES modules, and simplified configuration.
5. How would you set up end‑to‑end testing with Playwright alongside unit tests in Vitest and Pytest?
   What the interviewer is looking for: Ability to orchestrate testing layers, share fixtures, and integrate CI pipelines for full coverage.

Resume Optimization

• React
• Vite
• UI development
• Performance optimization
• Accessibility compliance
• Python
• API development
• MySQL
• SQLAlchemy
• Alembic
• Vitest
• Playwright
• Pytest

Application Strategy

When reaching out to the recruiter, send a concise email that greets the recipient, briefly introduces yourself, and attaches your resume. Clearly highlight your top skills—such as React, Python, and API development—and reference any relevant projects where you delivered high‑performance, accessible interfaces or robust backend services. Make sure to map your experience directly to the key requirements listed in the job description.

Career Roadmap