We are looking for a **Senior Node.js Backend Developer**, passionate about technology, to join our team. As part of the **Product Engineering team**, you will be challenged to build, evolve, and scale highly available solutions that process millions of interactions daily. We seek someone who loves solving complex problems, values technical excellence, and wants to directly impact the journey of thousands of businesses. **Responsibilities and assignments** **Your challenges to make a difference in this team:** * **SaaS Platform Evolution:** Maintain and evolve high-throughput messaging and communication systems, ensuring resilience and low latency; * **Architecture Modernization:** Lead the transition from legacy systems to modern technologies while ensuring business continuity; * **Engineering Culture:** Influence the team with best practices in software design, automated testing, and rigorous code reviews; * **Product Focus:** Collaborate with the product team to translate business needs into scalable, sustainable long-term software solutions. All our positions are open to everyone. Here, people are unique—we respect and value differences. **Requirements and qualifications** **The Humanz profile we seek:** * **Node.js Expertise:** Deep understanding of the *Event Loop*, memory management, and performance optimization. Ability to navigate and transition between legacy codebases (**Node.js 12**) and the latest ecosystem versions (**Node.js 24**); * **Framework Ecosystem:** Solid experience with **NestJS** for new solutions, plus proficiency maintaining and evolving applications built on **Express** and **Koa**; * **TypeScript:** Mastery of the language, advanced typing, and best practices in object-oriented and functional development; * **Asynchronous Messaging:** Practical experience implementing and consuming event-driven architectures using **Apache Kafka** and **AWS SQS**; * **NoSQL Databases:** Robust experience in modeling, aggregation, and query tuning in **MongoDB**; * **Observability and DevOps:** Hands-on experience instrumenting Node.js applications (via **OpenTelemetry, Datadog**, or similar), ensuring efficient metrics, logs, and tracing. Familiarity with **CI/CD pipelines**. **Nice-to-have (not required):** * Prior experience with **AWS Amazon DocumentDB**; * Practical knowledge and application of **SDD (Software Driven Development)** or documentation-driven development methodologies; * Use of **Artificial Intelligence tools** in daily workflows (Copilot, Claude, etc.) to accelerate productivity and code quality; * Prior experience in the CPaaS or large-scale SaaS market; * Experience with Claude Code. **Additional information** We are a technology company developing Zenvia Customer Cloud—a comprehensive AI solution—aimed at revolutionizing customer experience across every stage of the journey, from acquisition through post-sales. If you’ve ever interacted with a chatbot, received support via social media channels, or made a purchase over WhatsApp, our solution powers it. We operate across multiple countries in Latin America, serving over 10,000 customers. **What makes us a great place to work?** * We are fully remote, with flexible working hours. * Zenvia Care is our benefits program for you and your family. * Healthcare: health and dental plans with no co-payment for employees, plus coverage for dependents; life insurance; telemedicine; and access to medical specialties. * Wellness care: birthday day off; Gympass; free sports coaching and nutritional counseling; and free telepsychology—including for dependents. * Parental care: extended maternity and paternity leave; pregnancy monitoring; and childcare allowance up to 71 months. * Remote Care: policy supporting temporary relocation; R$1.500,00 for home office equipment; monthly remote work allowance of R$250,00—with the option to allocate R$50,00 toward Private Pension; Alelo Tudo benefit of R$988,00 for meal/food vouchers or flexible benefits; and partnership with Woba for coworking spaces across Brazil. * Career development: internal mobility program; access to a Learning Hub to support your growth and help you unlock your full potential and shape your career at ZENVIA. * Profit-sharing, because you helped build it. * Direct connection with colleagues across countries and an informal work environment where peers share knowledge, collaborate, and learn together. * Transparency, open dialogue, and psychological safety—so everyone can truly be themselves. **Join us as a HUMANZ** To us, people are unique. A HUMANZ understands, respects, and learns from differences and individualities; sets clear goals; enjoys the journey; and delivers results as one unified team. We make mistakes, succeed, and learn together. We want professionals who challenge the status quo, drop excuses, and get things done—because we empower people to unlock their true potential and achieve peak performance. At ZENVIA, everyone is respected. Within the ZENVIA World, you can develop and apply your core capabilities while staying authentic. All this with plenty of humor, lightness, empathy, and, above all, respect for others. And we’re building a strong team to help realize our aspiration of becoming the global leader in customer experience communications. We want the best talent on our teams, sharing our collaborative environment where everyone grows and develops together. Join ZENVIA! ZENVIA. By Humanz for Humans. We seek diverse talent across our teams—sharing learnings and growing together, building a collaborative environment grounded in autonomy and respect. **We are fully remote and offer flexible hours. Join us as a Humanz!** As humans, we’re fascinated by technological innovations because they let us explore our territory in new and unexpected ways. Now, as Humanz (how we call our team members), we believe human evolution must happen hand-in-hand with technological evolution and artificial intelligence—to shape a new world of experiences. In the ZENVIA World, we’re curious, breathe innovation, and aim to lead necessary change—building a place where you can be authentically yourself, free from constraints, with lightness and respect for individual differences and diversity. We enjoy the journey and deliver extraordinary results—as one unified team. We believe people are unique and each of us has the potential to continuously develop our abilities and learn. **We make mistakes, succeed, and evolve together.** If you want to be part of this story, **ZENVIA** is the place for you. Our purpose is to **shape a new world of experiences**, making our customers’ brand experience more personal, engaging, and fluid—through faster, more strategic, and more efficient interactions.
João Silva
Indeed · HR
João Silva
Indeed · HR
