Full Stack Engineer II: React + Kotlin for FinTech

Compunnel, Inc.; Charlotte (NC); On-site; USD 90,000 - 140,000; Full time

Job summary

Compunnel, Inc. in Charlotte, NC is seeking a Full Stack Engineer II to join our technology team. You will build and enhance scalable web applications using React for the frontend and Kotlin/Java for backend services.

The candidate should drive high-quality software delivery, participate in code reviews, collaborate with product and design teams, and leverage modern tooling including AI-assisted development to boost productivity while maintaining code quality.

Qualifications

• 5+ years of professional software engineering experience.
• Strong hands-on experience with React.js.
• Backend development experience using Kotlin or Java.
• Experience with NoSQL databases such as MongoDB.
• Strong understanding of modern software development principles and Agile practices.
• Excellent communication and collaboration abilities.

Responsibilities

• Design, develop, test, and maintain modern web applications using React.js.
• Build and support scalable backend services and APIs using Kotlin (preferred) or Java.
• Develop and integrate RESTful APIs and microservices.
• Work with NoSQL databases, including MongoDB, to support application data requirements.
• Collaborate with product owners, architects, designers, and engineering teams to deliver business solutions.
• Participate in code reviews and ensure adherence to engineering best practices.
• Troubleshoot and resolve application performance, scalability, and reliability issues.
• Contribute to application architecture, technical design discussions, and technology decisions.
• Write clean, maintainable, and well-tested code.
• Leverage AI-assisted development tools responsibly to improve efficiency while maintaining code quality and engineering standards.

Skills

React.js

Kotlin

Java

NoSQL

Agile

Problem solving

Communication

Tools

MongoDB

Redux

Kafka

Job description

Compunnel, Inc. in Charlotte, NC is seeking a Full Stack Engineer II to join our technology team. You will build and enhance scalable web applications using React for the frontend and Kotlin/Java for backend services.

The candidate should drive high-quality software delivery, participate in code reviews, collaborate with product and design teams, and leverage modern tooling including AI-assisted development to boost productivity while maintaining code quality.