Senior Backend Engineer (Node.js, AWS)

TL;DR

Senior Backend Engineer (Node.js/AWS): Building and operating backend services for IoT telemetry ingestion and time-series data processing with an accent on serverless architecture and high-frequency data handling. Focus on designing scalable APIs, optimizing PostgreSQL performance, and ensuring production reliability through collaborative architectural decision-making.

Company

hirify.global is a global provider of business and tech advisory, enterprise solutions, and software development services with over 6,000 specialists.

What you will do

• Design and implement APIs and serverless services using Node.js and TypeScript on AWS Lambda.
• Define and maintain event-driven architectures for IoT telemetry ingestion.
• Optimize Aurora PostgreSQL data models and manage time-series data retention and performance.
• Implement end-to-end observability with actionable alarms, logs, metrics, and traces.
• Build and maintain CI/CD pipelines using GitHub Actions and AWS CodeArtifact.
• Mentor team members, elevate coding standards, and manage operational risks like concurrency and capacity planning.

Requirements

• Must be based in Argentina (Buenos Aires or Cordoba).
• Solid experience in backend development with Node.js and TypeScript.
• Proven expertise in AWS serverless services (Lambda, IAM, VPC, API Gateway, SQS/SNS).
• Strong knowledge of PostgreSQL and Amazon Aurora, including modeling and performance tuning.
• Experience with high-frequency time-series data ingestion and processing.
• Technical English proficiency for documentation and code comments.

Nice to have

• Experience with AWS IoT Core (MQTT) and TimescaleDB.
• Familiarity with AWS CDK, Lambda Powertools, and monorepo tools like Turborepo or NX.
• Knowledge of OpenTelemetry, SRE practices, and containerization (Docker, ECS).
• Background in industrial IoT contexts (SCADA, MES).

Culture & Benefits

• Long-term project with real ownership of mission-critical components.
• Collaborative environment with shared and documented architectural decision-making.
• Opportunities for professional growth in IoT and serverless-first architectures.
• Culture focused on innovation, teamwork, and continuous improvement.
• Commitment to equal opportunities in recruitment and career development.

Hiring process

• Talent acquisition interview to discuss goals and company fit.
• Technical interview focusing on problem-solving and expertise.
• Potential customer interview for alignment.