Senior Full Stack Engineer
First seen by Alion on Sep 1, 2026.
About the role :
We are a fast-growing fintech innovator, seeking a Mid-Level MERN Stack Engineer to help shape the next generation of CRM and customer engagement technology for the banking and deposit industry. In this role, you will design, develop, and optimize scalable web applications while leveraging modern engineering practices and AI-assisted development tools. You will work closely with product, design, and QA teams to deliver high-impact solutions that improve customer engagement, operational efficiency, and business outcomes.
Key Responsibilities :
- Design, develop, and maintain scalable web applications using React and Node.js
- Implement robust backend APIs and microservices, ensuring security and performance
- Utilize AI-assisted coding tools (e.g., Github CoPilot, Cursor) to improve development efficiency and code quality
- Collaborate with cross-functional teams including product, design, and QA to deliver high-impact features
- Integrate and optimize MongoDB databases for data-driven applications
- Write clean, maintainable, and well-documented code following best practices and code reviews
- Manage version control workflows using Git and participate in agile software development processes
- Contribute to the continuous improvement of engineering standards, tooling, and processes
- Troubleshoot, debug, and resolve application issues in a timely manner
- Stay current with emerging technologies and proactively suggest enhancements relevant to fintech and SaaS platforms
Requirements :
- Minimum of 4 years of professional experience in web application development
- Strong hands-on experience with React, Node.js, and Express.js
- Must have experience using AI-assisted development tools such as GitHub Copilot or Cursor
- Proficiency in JavaScript (ES6+) and version control with Git
- Excellent problem-solving and communication skills
- Bachelors degree in Computer Science, Engineering, or related field (or equivalent practical experience)
Tech Stack :
- Must have: React, Node.js, AI-Assisted Tools, Git, JavaScript (ES6+), Express.js
- Good to have: MongoDB, AWS
- Bonus: TypeScript, Docker, CI/CD pipelines, Fintech/SaaS experience
Benefits :
- Competitive salary and performance-based bonuses
- Comprehensive health insurance for employees and dependents
- Opportunities for professional growth and upskilling in AI/ML technologies
- Collaborative, transparent, and innovation-driven culture
- Cutting-edge projects in fintech and customer engagement
Skills
Full Stack, Node.js, React.js, Javascript, MongoDB, Express.js, MERN Stack, AI Integration, ES6