Contractor Senior Fullstack Java/React Developer - Remote - Peru Only

• Lead the design, development, and deployment of full-stack applications.
• Architect scalable solutions using modern frameworks and cloud technologies
• Collaborate with frontend and backend teams to build seamless features.
• Integrate APIs, databases, and third-party services.
• Review code, mentor team members, and enforce best practices.
• Write clean, testable, and maintainable code across the stack.
• Participate in planning, estimation, and client meetings.
• Troubleshoot complex problems and propose innovative solutions.

• Over 5 years of software engineering experience with solid full-stack exposure
• Proficient in JavaScript with advanced expertise in React.js and TypeScript
• Advanced experience with Java and Spring
• Additional backend experience with Node.js, Python, and .NET is a plus.
• Strong understanding of RESTful API design and database technologies (SQL/NoSQL)
• Familiar with cloud platforms AWS, Azure, GCP and containerization using Docker and Kubernetes
• Skilled in CI/CD, version control (Git), and agile methodologies
• Experience with automated testing (unit, integration, E2E)
• Excellent communication and leadership skills
• Proven ability to deliver solutions from conception through production
• B2+ or Advanced English proficiency

• Communication: Excellent written and verbal communication skills.
• Collaboration: Ability to work effectively in a team
• Problem Solving: Strong analytical and problem-solving skills.
• Adaptability: Thrives in a fast-paced, ever-changing start-up environment.
• Passion: Demonstrated enthusiasm for technology, fintech, and making an impact.

• Contract Type: Payroll
• Location: The client is located in United States/Costa Rica but the position is 100% remote.
• Contract Duration: 6+ months with the possibility of extension.
• Schedule and Time Zone: Full-time, Monday to Friday (8 hours per day, 40 hours per week).
• Timezone: Peru - overlap with USA/Costa Rica hours (EST/CST), from 8 AM to 5 PM EST/CST.

• 2 interviews and a prep call with Bertoni Solutions
• Resume review by the partner
• First interview with our partner
• 2 live technical coding interviews with the end client.
• Final interview with the client (to be confirmed)

What is the last date for applying to the job?

Which countries are accepted for this remote job?