**Your journey to revolutionizing e-commerce in Brazil starts here!** How about experiencing a work environment that’s even better than a package delivery? At Melhor Envio, care for our team members is reflected in every detail. Every day, we simplify life for online sellers. And to reach even further, we invest in the development, training, and well-being of those who make it all happen: the \#MelhorTime. **We are Brazil’s leading shipping platform** A company within the LWSA Group, focused on e-commerce delivery logistics and passionate about helping thousands of online merchants across the entire national territory. We were founded in Pelotas/RS and, in 2022, were named “Solution of the Year” by the E-Commerce Brasil Award. Today, over 100,000 entrepreneurs rely on our platform. As a Backend Developer, you will implement solutions, dive into challenging projects, develop APIs, model databases, and optimize application performance. You’ll collaborate closely with your team to ensure code quality and system scalability—evaluating and identifying appropriate solutions to minimize risks and negative impacts on customers. Join the \#MelhorTime and help optimize e-commerce package deliveries with us! **Responsibilities and duties****Your typical day will include:** Among daily tasks, the following stand out: * **Make a real impact** on the lives of thousands of merchants by architecting solutions that optimize the national e-commerce and logistics ecosystem; * **Work in agile squads**, applying agile methodologies to consistently deliver value to our customers; * **Architect and develop technology solutions**, focusing on integrating logistics and parcel delivery systems, while applying best practices to support scalability, security, and quality; * **Ensure ecosystem quality** through rigorous code reviews (Code Review), mentoring Level I developers, and promoting engineering best practices; * **Maintain software**, prioritizing project security and quality; * **Proactively monitor production system health (Observability)**, anticipating incidents and proposing continuous improvements; * **Validate technical feasibility** of new products and assist in backlog prioritization, balancing technical debt with new features; * **Manage the continuous delivery (CI/CD) lifecycle**, ensuring secure and automated deployments; * **Optimize the development workflow** using AI assistants (e.g., **Cursor** or **Claude Code**) to accelerate writing repetitive code, generating tests, and producing documentation—ensuring more time for architecture and complex business problems; * **Use AI tools analytically**, supporting bug diagnosis in distributed systems, task planning, and performance analysis—ensuring all tool suggestions undergo your technical judgment and adhere to team best practices; * **Actively contribute to evolving squad agile methodologies**, going beyond ceremonies to drive continuous process improvement—aiming for more predictable, high-quality deliveries; * **Foster a culture of continuous learning**, staying updated on market trends (e.g., new Laravel versions and AI tools) and sharing knowledge via mentoring, Tech Talks, or technical documentation. **Requirements and qualifications****To excel in this role, you’ll need:** * **Software backend development experience** in high-demand environments; * **Experience with NodeJS and the NestJS framework**; * **Proficiency in relational databases** (PostgreSQL, MySQL); * **Practical experience with Docker** in development; * **Knowledge of Software Engineering principles**: Clean Architecture, SOLID, Design Patterns (GoF), and Automated Testing (TDD/BDD); * **Understanding of web technology fundamentals** and key protocols and standards: TCP/UDP, HTTP/HTTPS, SMTP, SSH, FTP, SSL/TLS, DNS, WebSocket, OAuth, JWT, RESTful; * **Solid experience with collaborative workflows** (GitHub, GitLab, or BitBucket); * **Problem-solving and analytical mindset**: Ability to diagnose complex issues in distributed systems and propose definitive solutions. **Bonus points if you have:** * **Familiarity with PHP/Laravel**, especially for performance-critical components; * **AWS experience**: Proficiency with services such as Lambda, S3, SQS, SNS, and DynamoDB; * **Observability experience**: Use of tools like New Relic, Datadog, ELK Stack, or OpenTelemetry; * **Experience with Event-Driven Architectures** and messaging systems; * **Security focus**: Practical knowledge of **DevSecOps** and vulnerability mitigation (OWASP Top 10); * **NoSQL database experience**: MongoDB or Redis for distributed caching strategies; * **Experience in High-Availability environments** **Additional information** **What we offer:** **** Health insurance; Dental insurance; Meal allowance / food voucher; Childcare assistance; Life insurance; Profit-sharing program (PPR); Birthday day off; Life insurance; Wellhub; 6-month maternity leave and 20-day paternity leave; Flexible working hours; Partnerships with numerous institutions and businesses in education, health, leisure, entertainment, and other areas. **Important note:** All open positions at LWSA Group are open to everyone, regardless of gender, ethnicity, sexual orientation, disability, and/or socioeconomic background. We emphasize that all our job openings are inclusive of people with disabilities (PwDs). Did you know LWSA is a digital solutions ecosystem composed of multiple companies? That’s right—and each one shares the same mission: **transforming businesses so they can grow and thrive through technology**. Our team is recognized for its **passion, creativity, persistence, and collaboration**. Just like the professionals building their careers here, each of our brands has its own unique identity—but all share the same drive to evolve and consistently deliver excellence. **There’s a place for you at LWSA!** Here, you can build your career in an environment of **autonomy, respect, and diversity**, within a company committed to developing its professionals to keep innovating and creating tomorrow’s solutions. So, are you ready to join this ecosystem and discover all the possibilities we offer for your career? If you feel there’s a “match” with our profile and would like to share your resume, that’s the first step toward becoming part of our team!
João Silva
Indeed · HR
João Silva
Indeed · HR
