Senior Backend Engineer (Node.js)

SENIOR BACKEND ENGINEER ABOUT PYYNE Pyyne is a modern technology consultancy engineering the next generation of digital products and services. At Pyyne, we believe in using technology to unlock business potential, create sustainable growth, and drive forward digital excellence. Our solutions range from advanced Software Engineering, Cloud, and Data & AI solutions. JOB SUMMARY Pyyne is seeking a Senior Backend Engineer with strong experience in Node.js, distributed systems, and cloud-native architectures to work as a Technical Consultant out of our Remote (Brazil) office. This is a high-impact role for Pyyne as we partner with high-growth companies to design, build, and scale mission-critical backend platforms and distributed systems. A successful candidate in this role will collaborate closely with client engineering teams, contribute to architectural decisions, and deliver scalable backend solutions that power high-volume products and integrations. KEY RESPONSIBILITIES - Design and implement scalable backend services primarily using Node.js - Build and maintain event-driven architectures using messaging systems such as RabbitMQ - Architect and operate cloud-native systems on AWS - Partner with client engineering teams to design distributed systems and improve system architecture - Contribute to technical strategy and architectural discussions across projects - Ensure high reliability, scalability, and observability of production systems - Perform code reviews and mentor engineers to promote engineering best practices - Troubleshoot complex production issues and improve system performance - Support the delivery of high-quality solutions across multiple client engagements Must Have Skills: - Strong backend development experience with Node.js - Experience building event-driven architectures using messaging systems (RabbitMQ or similar) - Experience designing and operating systems on AWS - Strong understanding of distributed systems and scalable architectures - Experience designing REST APIs and service integrations - Experience maintaining production systems with high reliability requirements Nice to Have Skills: - Experience with Golang or Kotlin - Experience with stream processing frameworks such as Apache Flink - Experience with Kafka or other distributed streaming platforms - Experience with Kubernetes and container orchestration - Experience designing high-throughput event pipelines - Experience working with large-scale data systems Benefits: - Flexible remote working environment. - Career development opportunities in a fast-growing company.