Senior, Fullstack (Node/React) Engineer - GP, Remote: Colombia - Costa Rica, Fulltime, Digital Product Development

Confidential

Not specified permanent

Posted: February 3, 2026

Required Skills

Job Description

Senior Fullstack Engineer (Node/React)

Gorilla Logic is looking for a Senior-Level Software Developer with experience in Node.js, React, and Postgres to join our team in building and enhancing our client’s web application. You will collaborate with engineers in a fast-paced Agile environment, contributing to both backend and frontend development while ensuring scalable and efficient solutions. Success in this role will be measured by how well you combine problem-solving skills, self-motivation, and a strong technical foundation to drive high-quality software delivery.

Responsibilities

Design, develop, and maintain scalable web applications using Node.js (backend) and React (frontend).

Implement and optimize PostgreSQL queries and database structures for performance and reliability.

Write clean, maintainable, and well-documented code following industry best practices.

Participate in code reviews, providing constructive feedback to improve code quality and maintainability.

Work closely with cross-functional teams, including designers, QA engineers, and product owners, to define and refine requirements.

Participate in daily stand-ups, sprint planning, and retrospectives, contributing to an efficient development process.

Identify and resolve performance bottlenecks, bugs, and technical debt in both backend and frontend code.

Monitor application health and reliability, implementing scalability improvements as needed.

Stay up to date with new technologies, frameworks, and best practices in full-stack development.

Proactively identify opportunities to improve development processes and application architecture.

Contribute to a collaborative and learning-focused team culture.

Technical Requirements

Strong experience with Node.js and Express.js for building scalable and efficient backend services.

5 years of frontend development experience with React and state management libraries like Redux or MobX.

Experience with modern JavaScript (ES6, ES7) and TypeScript.

Proficiency in handling asynchronous operations, event-driven architectures, and middleware.

Understanding of component-based architecture, hooks, and reusable UI patterns.

Experience with responsive and cross-browser development.

Experience writing and optimizing complex SQL queries and stored procedures.

5+ years of experience working in Agile environments (Scrum, Kanban, or SAFe).

Strong ability to collaborate with clients and stakeholders, translating business needs into technical solutions.

Experience in iterative development, backlog grooming, and delivering features in a consulting capacity.

Experience with unit testing, integration testing, and end-to-end testing using Jest, Mocha, Cypress, or similar frameworks.

Familiarity with test-driven development (TDD) and best practices for writing maintainable code.

Bonus Skills

Understanding of AI-assisted coding tools (GitHub Copilot, Tabnine) and their impact on software development efficiency.

Basic understanding of machine learning libraries and how they interact with Node.js & Python-based services.

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