Senior Backend Engineer (Node.js/NestJS)

TL;DR

Senior Backend Engineer (Node.js/NestJS): Build and maintain scalable backend services for a greenfield standalone product with an accent on system architecture, APIs, and infrastructure. Focus on designing clean architectures, implementing CI/CD pipelines, establishing engineering best practices, and mentoring other engineers.

Location: Remote from Brazil with expected overlap during European business hours (CET/CEST)

Company

European tech company building a new standalone product from the ground up.

What you will do

• Build and maintain scalable backend services using Node.js and NestJS
• Design clean system architecture for the new product
• Take ownership of features from concept through deployment
• Define and implement APIs, services, and backend infrastructure
• Collaborate with frontend engineers, product managers, and designers
• Establish development standards, CI/CD pipelines, and best practices
• Mentor engineers through code reviews and technical feedback

Requirements

• 5+ years of backend engineering experience
• Strong experience with TypeScript, Node.js, and NestJS
• Experience designing scalable backend architectures
• Strong understanding of software design principles and maintainable systems
• Experience with relational databases (PostgreSQL or similar)
• Experience with Git, CI/CD pipelines, and Docker
• Experience mentoring or supporting other engineers
• Experience working in agile teams (Scrum or Kanban)
• Strong communication skills in English (written and verbal)
• Availability for 9–12 months, starting ASAP
• Comfortable working remotely with European time zone overlap (CET/CEST business hours)

Nice to have

• Experience with microservices or event-driven architectures
• Experience building greenfield or standalone products
• Familiarity with AI-related components such as RAG or vector databases
• Experience integrating AI services or data-driven systems
• Conversational German
• Previous experience working with European clients or distributed teams

Culture & Benefits

• Build something new on a greenfield product
• Real technical ownership and influence on architecture
• Modern engineering environment with AI-assisted development tools
• Collaborative remote-first team with async-friendly culture
• International exposure working with a European tech company from Brazil