Senior/Lead Full Stack Engineer (ReactJS, MongoDB)

Join Exadel as a Senior/Lead Full-Stack Software Engineer and build scalable apps that make an impact. You’ll explore new tech, work with the latest tools, and thrive in a fast-moving Agile team.

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.

About The Client

AI-driven healthcare startup revolutionizing cancer diagnostics by building intelligent, scalable systems that empower pathologists with faster, more accurate decision-making. Core platform integrates clinical decision support tools with a laboratory information system (LIS) tailored for modern pathology workflows. Backed by domain experts and cutting-edge research, our mission is to improve patient outcomes through precision medicine.

Project Tech Stack - FastAPI (Python), ReactJS (JavaScript/TypeScript), MongoDB, AWS, RESTful APIs, Git, CI/CD, HIPAA-compliant systems.

What You’Ll Do

• Design, develop, and maintain backend APIs using FastAPI to power clinical and lab data systems.
• Build dynamic, intuitive, and accessible frontend interfaces using ReactJS for pathologists and lab staff.
• Develop robust data pipelines and integrate MongoDB for both structured and unstructured medical data storage.
• Collaborate closely with data scientists, pathologists, and UX designers to deliver AI-powered clinical decision support tools.
• Ensure all systems are HIPAA-compliant and meet SOC 2 Type II standards for security and reliability.
• Participate in Agile sprints, contribute to code reviews, and support continuous integration and delivery workflows.
• Maintain high availability and scalability in clinical environments, leveraging AWS services when needed.
• Write thorough unit and integration tests for backend and frontend components.
• Contribute to system architecture discussions, technical documentation, and overall product strategy.

What You Bring

• 3+ years of professional software development experience with a strong focus on FastAPI, MongoDB, and ReactJS.
• Proficiency in Python and JavaScript/TypeScript.
• Solid understanding of RESTful API design, asynchronous programming, and database schema design for document stores.
• Proven experience in building modern SPAs (Single Page Applications) using React and component-based architecture.
• Familiarity with healthcare standards and secure data handling practices (e.g., HIPAA, PHI, FHIR).
• Experience deploying and monitoring applications in a cloud environment (preferably AWS).
• Proficiency with Git, CI/CD pipelines, and DevOps workflows.
• A high level of algorithm knowledge is required.
• Availability to maintain a working hour overlap from 9:00 AM to 2:00 PM EDT

Nice To Have

• Experience with AI/ML integration in clinical workflows.
• Background in medical imaging or pathology systems.
• AWS certifications or relevant cloud technology credentials.

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