Senior Full Stack Engineer (React, Node.js, CRM) – Remote

About the role

We are looking for a senior full‑stack engineer to join our talent network and work remotely with US‑based clients on complex web applications. You will collaborate daily with designers and engineers, delivering end‑to‑end features using React, Node.js and CRM integrations.

Key responsibilities

• Design, develop and maintain full‑stack JavaScript/TypeScript applications with React and Node.js.
• Implement server‑side rendering solutions such as Next.js.
• Build and expose reliable backend APIs and service‑to‑service integrations.
• Integrate and maintain Salesforce and other marketing tools (HubSpot, GA, Statsig, Optimizely).
• Deploy and operate services on AWS using Lambda, API Gateway, S3 and CloudWatch.
• Write automated tests (Jest, Cypress, Playwright) and monitor performance with New Relic, Sentry or Datadog.
• Contribute to internal design systems and CI/CD pipelines.
• Mentor junior engineers and influence architectural decisions.

Required profile

• 5+ years of professional software engineering experience.
• 3+ years in technical leadership or mentorship roles.
• Advanced English communication skills.
• Completed a four‑year college degree.
• Proven ability to work autonomously in remote, Agile/Scrum teams.

Required skills

• React, Next.js, JavaScript, TypeScript.
• Node.js, RESTful API design.
• AWS services (Lambda, API Gateway, S3, CloudWatch).
• Salesforce CRM integration.
• Marketing platforms: HubSpot, Google Analytics, Statsig, Optimizely.
• Testing frameworks: Jest, Cypress, Playwright.
• Observability tools: New Relic, Sentry, Datadog.
• CI/CD pipelines and version control (Git).

What we offer

• Access to high‑impact projects with US startups and enterprise clients.
• Flexible, fully remote work schedule.
• Opportunity to grow within a transparent talent network rated 4.2 stars on Glassdoor.