Remote Senior Backend Node Lead – Cloud, AI & Impact

Sonatafy Technology, Inc.; Scottsdale (AZ); Remote; MXN 1,285,000 - 2,386,000; Full time

Job summary

Sonatafy Technology, Inc. is seeking a Senior Backend Engineer to lead a high-performing engineering team across Latin America. The role focuses on scalable architecture, mentoring engineers, and delivering reliable backend systems that power U.S.-based teams.

You will drive coding standards, review designs, and collaborate with frontend peers to ensure performance and quality. AI experience is a plus, and the company promotes a remote-first culture with growth opportunities.

Qualifications

• 7+ years of backend engineering experience.
• Experience leading high-throughput, high-availability applications.
• 4+ years of experience with Node.js and MongoDB in a corporate environment.
• 2+ years of experience with Angular.
• Strong systems experience with AWS services (EC2, ECS, S3, Lambda, Rekognition, Elasticache, AmazonMQ, CloudWatch).
• Experience with Docker and container orchestration.
• DNS, VPNs, Networking, Firewalls, static asset delivery, load balancing, and auto-scaling.
• Preferred: Experience with AI.
• Strong understanding of web design best practices and modern web trends.
• Excellent communication and leadership skills.

Responsibilities

• Lead and mentor a team of engineers, fostering a collaborative and high-performing environment.
• Propose and implement scalable architectural patterns to support the application's growth and ensure maintainability.
• Define and enforce coding standards, best practices, and architectural guidelines.
• Follow and contribute to existing software design patterns.
• Identify and resolve data/process bottlenecks.
• Maintain and update the codebase.
• Collaborate with the Frontend team to ensure new features are performant and meet design requirements.
• Conduct code reviews and provide constructive feedback.
• Troubleshoot and resolve complex technical issues.

Skills

Team leadership

Mentoring

Code reviews

Communication

Problem solving

Tools

Node.js

MongoDB

Angular

AWS

Docker

Job description

Sonatafy Technology, Inc. is seeking a Senior Backend Engineer to lead a high-performing engineering team across Latin America. The role focuses on scalable architecture, mentoring engineers, and delivering reliable backend systems that power U.S.-based teams.

You will drive coding standards, review designs, and collaborate with frontend peers to ensure performance and quality. AI experience is a plus, and the company promotes a remote-first culture with growth opportunities.