📍 100% Remote | Anywhere in Portugal

🚀 About the Role

We are looking for an experienced Senior Full-Stack Engineer with strong expertise in Software Architecture and System Design to help build and evolve modern, scalable, and high-performance web applications.

This is a senior technical role for someone who combines deep engineering knowledge with architectural thinking. You'll be responsible for designing solutions, making technical decisions, mentoring other engineers, and contributing hands-on to the development of a modern platform built with Node.js and React.

You will work closely with Product Managers, Designers, Engineers, and stakeholders to create robust, scalable, and maintainable solutions that support business growth.

🎯 Your Mission

As a Senior Full-Stack Engineer, you will:

• Design scalable and resilient systems using modern web technologies.
• Lead architectural discussions and contribute to technical strategy.
• Build and evolve high-quality applications using Node.js and React.
• Drive software engineering best practices across the development lifecycle.
• Support and mentor developers through technical leadership.
• Ensure solutions are secure, maintainable, and future-proof.

💼 Key Responsibilities

Full-Stack Development

• Design, develop, and maintain web applications using Node.js and React.
• Build scalable backend services and APIs.
• Develop modern, responsive, and user-centric frontend applications.
• Participate in all stages of the software development lifecycle.
• Deliver high-quality, maintainable, and testable code.

Architecture & System Design

• Design distributed and scalable systems that support business growth.
• Define application architecture, integration patterns, and technical standards.
• Evaluate technology choices and architectural trade-offs.
• Drive platform modernization and continuous improvement initiatives.
• Ensure solutions are aligned with performance, scalability, security, and reliability requirements.

Technical Leadership

• Act as a technical reference within the engineering team.
• Lead technical discussions and architecture reviews.
• Promote engineering best practices and development standards.
• Mentor developers through code reviews and technical guidance.
• Support technical decision-making across projects.

Quality, Performance & Reliability

• Ensure high standards of code quality and maintainability.
• Identify and address technical debt.
• Optimize application performance and scalability.
• Contribute to testing strategies, observability, and production readiness.
• Promote continuous improvement across the platform.

Collaboration & Product Delivery

• Work closely with Product Managers, Designers, QA Engineers, and Developers.
• Translate business requirements into robust technical solutions.
• Contribute to roadmap discussions, estimations, and planning activities.
• Participate actively in Agile ceremonies and delivery processes.

✅ What We're Looking For

Mandatory Requirements

• Extensive experience as a Senior Software Engineer or Tech Lead.
• Strong expertise in:Node.js
• React
• JavaScript / TypeScript
• Proven experience with:Software Architecture
• System Design
• Distributed Systems
• API Design
• Experience designing scalable and maintainable applications.
• Strong understanding of engineering best practices and design patterns.
• Experience mentoring developers and influencing technical decisions.
• Excellent problem-solving and communication skills.

🛠 Technical Skills

Backend

• Node.js
• TypeScript
• REST APIs
• Microservices
• Event-Driven Architectures

Frontend

• React
• JavaScript
• TypeScript
• Responsive Design
• Modern Frontend Architecture

Architecture & Engineering

• Software Architecture
• System Design
• Cloud-Native Applications
• Scalability & Performance
• Design Patterns
• Technical Leadership

DevOps & Quality

• Git
• CI/CD
• Automated Testing
• Monitoring & Observability
• Security Best Practices

⭐ Nice to Have

• Experience with cloud platforms (AWS, Azure, or GCP).
• Experience in product-driven environments.
• Experience with microfrontend architectures.
• Exposure to DevOps and Platform Engineering practices.
• Previous experience as a Tech Lead or Software Architect.
• Knowledge of event streaming and messaging systems.

🤝 Soft Skills

• Strong technical leadership capabilities.
• Excellent communication and stakeholder management skills.
• Strategic thinking with a hands-on mentality.
• Ownership and accountability.
• Passion for engineering excellence and continuous improvement.
• Collaborative and mentorship-oriented mindset.