Company Description
We are a multinational team of individuals who believe that with the right knowledge and approach, technology is the answer to the challenges that business face today. We have been bringing this knowledge and approach to our customers since 2016, helping them translate technology into their success.
With Swiss roots and our own development team in Lima and throughout the region, we offer the best of both cultural areas: the talent and passion of Latin American professionals combined with Swiss organization skills and mindset.
Job Description
IMPORTANT: This opportunity is exclusively available for bilingual applicants (Native Spanish and English B2+ or Advanced fluency) currently living/located in Perú. If you do not meet these criteria, we kindly ask that you refrain from applying, as applications that do not meet these requirements will not be considered.
We are looking for a Senior Fullstack Developer with extensive experience in Java/React and modern web technologies to join a dynamic development team. The ideal candidate will work closely with an internal and external team to develop high-quality software solutions. This role requires strong proficiency in both frontend and backend technologies.
Responsabilities

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.

Qualifications
Requirements

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

Additional Information
Soft skills we’re looking for:

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 details:

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.

Interview Process: * 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)

Bertoni Solutions

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