Job Summary: Backend development position focused on APIs, hardware/IoT integration, and critical systems, requiring stability, performance, and reliability. Key Highlights: 1. Technical autonomy in architectural decision-making 2. Direct collaboration with hardware/electronics teams 3. Focus on critical and real-time systems Location: On-site required — Vitória/ES Company: Atman **ABOUT THE POSITION** Backend development position focused on APIs for digital products, hardware and IoT device integration, and critical / real-time systems demanding stability, performance, scalability, and production reliability. Work with technical autonomy, participate in architectural decisions, collaborate directly with hardware/electronics teams, and support critical production systems. **RESPONSIBILITIES** · Develop and maintain REST APIs and WebSockets · Implement event-driven architectures and messaging systems · Integrate backend systems with hardware and IoT devices · Work on critical and real-time systems · Participate in technical and architectural decisions · Ensure quality, security, observability, and reliability · Develop and maintain automated tests · Analyze logs, metrics, and production incidents · Collaborate closely with software, hardware, and product teams **TECH STACK AND TECHNICAL SKILLS** · Node.js, TypeScript, and JavaScript · REST APIs and WebSockets · Messaging and event streaming (Kafka) · Relational and NoSQL databases · Git · Automated testing · Observability, logging, and monitoring · Security and authentication · Docker · AWS **REQUIREMENTS** · Minimum 2 years of backend experience · Intermediate to advanced English proficiency · Bachelor’s degree in Engineering, Computer Science, Systems Analysis, or related fields **PREFERRED QUALIFICATIONS** · Conversational Spanish or Italian will be considered a strong advantage · Experience with IoT, hardware, or embedded systems · Experience with critical systems or high availability **EXPECTED TECHNICAL PROFILE** · Analytical mindset · Strong technical capability · Genuine interest in solving complex problems **SALARY RANGE** R$ 6.000 to R$ 12.000 Compensation level determined by technical assessment. **EMPLOYMENT TYPE AND BENEFITS** Employment type: CLT Working hours: Monday to Friday, 8:00 AM to 5:00 PM **Benefits:** · Meal allowance · Food voucher · Unimed health insurance plan · Dental insurance plan · Life insurance **HOW TO APPLY** Interested candidates must send their resume to vagas@atmansystems.com, specifying the area of interest in the email subject line. Job type: Full-time CLT Salary: R$6.000,00 – R$12.000,00 per month Benefits: * Medical assistance * Dental assistance * Life insurance * Meal allowance * Food voucher * Transportation allowance