Senior Backend Engineer – Node.js

Wordly

. Design, extend, and maintain Node.js backend services, modules, and APIs .

Posted 10/5/2026full-timeRemote • California • United States, Argentina, Brazil, CanadaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in designing, maintaining, and extending Node.js backend services and APIs, with a strong focus on asynchronous programming, distributed systems, and integration testing. Proficient in using AI-assisted development tools and collaborating effectively within a remote team environment.

Highest-signal resume keywords

Node.js Backend DevelopmentAsynchronous ProgrammingDistributed SystemsUnit and Integration TestingAI-Assisted Development Tools

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Node.jsJavaScriptBackend FrameworksMicroservicesNoSQL DatabasesEvent Streaming SystemsCI/CD PipelinesDebuggingUnit TestingIntegration Testing

Soft Skills

Self-MotivatedCross-Functional Collaboration

Tools & Technologies

GitHub CopilotCursorWindsurfClaude Code

Certifications & Qualifications

B.S. Degree in Computer Science

Industry Keywords

Backend EngineeringProduction EnvironmentsTechnical DesignCode ReviewsRemote Team

Tech Stack

Tools & technologies

Distributed SystemsJavaScriptNode.jsNoSQL

About the role

Key responsibilities & impact

Design, extend, and maintain Node.js backend services, modules, and APIs
Add new capabilities to existing Node.js modules while maintaining compatibility, reliability, and maintainability
Integrate Node.js services and modules with backend services, APIs, and platform components
Own complex backend features from technical design through implementation and delivery
Improve and support existing backend services, including debugging and resolving complex production issues
Implement solutions involving distributed systems, messaging and event streaming systems, caches, and NoSQL data stores
Write and maintain comprehensive unit and integration tests and improve test coverage and code quality
Participate in technical design and code reviews
Identify opportunities to improve maintainability, reliability, and engineering practices
Work cross-functionally with Product, engineers, and technical leads
Use AI-assisted development tools effectively and responsibly
Support Wordly’s real-time translation services delivered in 50+ languages

Requirements

What you’ll need

5+ years of hands-on backend engineering experience, including significant professional experience building and maintaining Node.js services and APIs
Strong hands-on experience with Node.js and JavaScript in backend production environments
Experience extending and maintaining existing Node.js modules, services, and integrations
Experience with Node.js backend frameworks
Strong understanding of asynchronous programming and event-driven backend patterns
Strong experience working in distributed systems and microservice environments
Experience with messaging and event streaming systems, NoSQL databases, distributed caches, and CI/CD pipelines
Strong experience writing and maintaining unit and integration tests
Experience debugging and resolving complex issues in backend services
Experience using AI-assisted development tools such as GitHub Copilot, Cursor, Windsurf, Claude Code, or similar
Experience with modern software development workflows, including version control and code review practices
Comfortable working with a fully remote team
Self-motivated and able to independently deliver complex backend features
B.S. degree in Computer Science or equivalent from an accredited institution is a desired qualification
No visa sponsorship

Benefits

Comp & perks

Fully remote position
Office space in Los Altos, California available for San Francisco Bay Area residents who wish to utilize it