Senior Javascript Developer

Zipdev

. Design, develop, and maintain scalable web applications using modern JavaScript technologies.

Posted 9/22/2026contractRemote • Colombia, Mexico, BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing scalable web applications using modern JavaScript technologies, with a strong focus on frontend and backend functionality, RESTful API integration, and automated testing. Proficient in mentoring developers and contributing to technical architecture and engineering standards.

Highest-signal resume keywords

JavaScript DevelopmentTypeScript ProficiencyReact Framework ExperienceNode.js Backend DevelopmentRESTful API Integration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaScriptTypeScriptHTML5CSS3Node.jsRESTful APIsUnit TestingIntegration TestingSoftware ArchitectureAsynchronous Programming

Soft Skills

Problem-SolvingCommunicationMentoring

Tools & Technologies

GitCI/CD WorkflowsDockerAWSAzureGCP

Industry Keywords

Agile MethodologiesMicroservicesDistributed SystemsClean Code PrinciplesEvent-Driven Architecture

Tech Stack

Tools & technologies

AngularAWSAzureCypressDistributed SystemsDockerGoogle Cloud PlatformGraphQLJavaScriptJestMicroservicesNext.jsNode.jsNoSQLReactTypeScriptVue.js

About the role

Key responsibilities & impact

Design, develop, and maintain scalable web applications using modern JavaScript technologies.
Build and maintain high-quality frontend and backend functionality.
Translate product requirements and designs into reliable, maintainable software.
Develop reusable components and services following modern development best practices.
Integrate RESTful APIs and third-party services.
Write clean, efficient, well-documented, and testable code.
Develop and maintain automated tests to ensure software quality and reliability.
Troubleshoot, debug, and resolve application issues.
Participate in code reviews and contribute to engineering standards.
Optimize application performance, scalability, and responsiveness.
Collaborate with product managers, designers, QA engineers, and other developers.
Contribute to technical architecture and development decisions.
Participate in Agile ceremonies, planning, and estimation.
Mentor junior and mid-level developers when needed.
Stay current with modern JavaScript frameworks, libraries, and development practices.

Requirements

What you’ll need

5+ years of professional software development experience.
Strong hands-on experience with JavaScript and modern JavaScript standards.
Strong experience with TypeScript.
Experience with at least one modern frontend framework, such as React, Angular, or Vue.js.
Strong understanding of HTML5 and CSS3.
Experience developing and integrating RESTful APIs.
Experience with Node.js and backend JavaScript development.
Strong understanding of asynchronous programming and event-driven architectures.
Experience with relational or NoSQL databases.
Experience writing unit and integration tests.
Strong understanding of software architecture, design patterns, and clean code principles.
Experience with Git and modern CI/CD development workflows.
Experience debugging and optimizing production applications.
Strong problem-solving and communication skills.
Must be based in Latam.
Nice to Have: Experience with React and Node.js; Next.js or other modern fullstack frameworks; AWS, Azure, or GCP; Docker and containerized applications; microservices and distributed systems; GraphQL; Jest, Cypress, or Playwright; AI/LLM integrations or AI-assisted development tools; mentoring or leading developers.

Benefits

Comp & perks

Work remotely Monday - Friday, 40 hours a week (no weekends)