Lead Fullstack Engineer (React+Next.js)

Nix

Brazil (Europe, LATAM) Remote permanent

Posted: April 2, 2026

Required Skills

Job Description

Our Client is building a SaaS platform used globally to streamline business-critical workflows and transform document-driven processes into intelligent, automated systems. Their platform powers agreement lifecycle experiences at a massive scale, serving millions of organizations across highly regulated and enterprise environments.

The team develops a unified, widget-based frontend platform that standardizes how product teams deliver modern, high-performance user interfaces. This platform provides a shared shell, micro-frontend architecture, and automated CI/CD pipelines that distribute versioned UI components globally with high reliability.

Part of the work includes supporting secure, compliance-heavy environments designed for federal-grade workloads. Engineers design systems that are secure by default, privacy-aware, and built on zero-trust principles. The role involves solving advanced platform challenges such as resilient rollouts, deterministic builds, telemetry without exposing sensitive data, and high-availability architecture in constrained environments.

This is an opportunity to shape platform standards, performance practices, and developer tooling in a system operating at meaningful scale.

Responsibilities

• Design and implement reusable frontend components within a micro-frontend architecture.

• Build and maintain a shared UI platform that enables consistent user experiences across products.

• Develop scalable CI/CD pipelines that publish versioned frontend artifacts for global delivery.

• Contribute to secure-by-default engineering patterns aligned with compliance requirements.

• Optimize performance, observability, and reliability across distributed frontend systems.

• Collaborate with cross-functional teams to define platform standards and engineering best practices.

• Integrate frontend systems with RESTful and/or gRPC backend services.

• Support high-availability deployments in regulated or restricted environments.

Required Qualifications

• 8+ years of professional software development experience.

• Strong proficiency in TypeScript and React.

• Experience building reusable, production-grade frontend component libraries.

• Experience with frontend testing frameworks and test automation.

• Solid experience with Next.js, Node.js, and Express.

• Proven track record delivering SaaS products.

Preferred Qualifications

• Experience across the full software development lifecycle.

• Familiarity with schema modeling (e.g., JSON Schema or XML Schema).

• Experience with Agile and test-driven development methodologies.

• Experience with Azure DevOps or comparable CI/CD tooling.

• Knowledge of micro-frontend frameworks.

• Experience building or consuming RESTful or gRPC services.

• Strong written communication skills in asynchronous environments.

• Passion for platform engineering and high-quality software craftsmanship.

We offer*:

• Flexible working format - remote, office-based or flexible

• A competitive salary and good compensation package

• Personalized career growth

• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)

• Active tech communities with regular knowledge sharing

• Education reimbursement

• Memorable anniversary presents

• Corporate events and team buildings

• Other location-specific benefits

*not applicable for freelancers

Why Apply Through MisuJob?

AI-Powered Job Matching: MisuJob uses advanced artificial intelligence to analyze your skills, experience, and career goals. Our matching algorithm compares your profile against thousands of job requirements to find positions where you have the highest chance of success. This saves you hours of manual job searching and ensures you only see relevant opportunities.

One-Click Applications: Once you create your profile, applying to jobs is effortless. Your resume and cover letter are automatically tailored to highlight the most relevant experience for each position. You can apply to multiple jobs in minutes, not hours.

Career Intelligence: Beyond job matching, MisuJob provides valuable career insights. See how your skills compare to market demands, identify skill gaps to address, and understand salary benchmarks for your experience level. Make data-driven decisions about your career path.

Frequently Asked Questions

How do I apply for this position?

Click the "Register to Apply" button above to create a free MisuJob account. Once registered, you can apply with one click and track your application status in your dashboard.

Is MisuJob free for job seekers?

Yes, MisuJob is completely free for job seekers. Create your profile, get matched with jobs, and apply without any cost. We help you find your dream job without any hidden fees.

How does AI matching work?

Our AI analyzes your resume, skills, and experience to understand your professional profile. It then compares this against job requirements using natural language processing to calculate a match percentage. Higher matches mean better fit for the role.

Can I apply to jobs in other countries?

Absolutely. MisuJob features jobs from companies worldwide, including remote positions. Filter by location or look for remote opportunities to find jobs that match your preferences.

Ready to Apply?

Join thousands of job seekers using MisuJob's AI to find and apply to their dream jobs automatically.