Lead Front-end Engineer (React + .NET)

Experience and Skills

• 5+ years of professional software engineering experience, with at least 3 years of production-level React experience.
• Proven experience leading engineering teams as a Tech Lead, Team Lead, or Engineering Manager (must be clearly documented in your resume).
• Deep expertise in modern React, including hooks, functional components, and state management.
• Strong proficiency in TypeScript, ES6+, RESTful APIs, and asynchronous JavaScript.
• C1 English level or higher.
• Hands-on experience with REST APIs, Software Architecture, Technical Leadership.
• UX experience with a strong understanding of user-centered design principles and the ability to translate UX requirements into effective frontend solutions
• Deep expertise in .NET and Entity Framework, including hands-on C# development. The platform is backend-driven, so this role works directly in the .NET codebase.

Skills

• React
• TypeScript
• JavaScript
• REST APIs
• State Management
• Software Architecture
• Technical Leadership
• .NET
• C#

Key Responsibilities

• Lead and mentor a team of frontend and cross-functional engineers, setting daily technical direction and code review standards.
• Architect and build complex React components and feature modules with minimal supervision.
• Optimize application performance using code splitting, memoization, and efficient state management.
• Work directly in the .NET backend (C# and Entity Framework) and design API contracts with backend engineers.
• Identify and resolve team bottlenecks, diagnose production issues across browsers, and maintain high standards for testing and documentation.

Benefits

We provide the opportunity to participate in impactful and technically rigorous industrial data projects that drive innovation and professional growth. Our work environment emphasizes technical excellence, collaboration, and continuous innovation.

Niuro supports a 100% remote work model, allowing flexibility in work location globally. We invest in career development through ongoing training programs and leadership opportunities, ensuring continuous growth and success.

Upon successful completion of the initial contract, there is potential for long-term collaboration and stable, full-time employment, reflecting our long-term commitment to our team members.

Joining Niuro means becoming part of a global community dedicated to technological excellence and benefiting from a strong administrative support infrastructure that enables you to focus on impactful work without distraction.

Nice to Have

• Jest
• React Testing Library
• Fintech

This role demands a technical leader who can drive the development of high-performance, responsive web interfaces using React while taking ownership of daily team operations. You will act as a force multiplier, unblocking engineers, establishing frontend best practices, and mentoring the team, all while remaining hands-on with the codebase. Working in a distributed Latin American team, you will own end-to-end feature implementation from component architecture to production deployment. Your work directly impacts the user experience of a high-precision tax preparation platform where speed, accuracy, and accessibility are critical. The platform is backend-driven, so you will also work hands-on in the .NET codebase (C#, Entity Framework) alongside backend engineers.