Full Stack Developer – MERN

🕒 September 12

🌐 Brazil, Chile, +4 more countries – Remote

🇧🇷 Brazil – Remote 🇨🇱 Chile – Remote 🇨🇴 Colombia – Remote 🇺🇾 Uruguay – Remote 🇦🇷 Argentina – Remote 🇵🇪 Peru – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 19%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Workana

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2012

👥 HR Tech

🏪 Marketplace

🎯 Recruiter

💰 Series C on 2024-02

HR Tech • Marketplace • Recruitment

Workana is a leading platform in Latin America that connects businesses with remote talent across various disciplines. With over a decade in the market, Workana specializes in providing businesses with pre-selected and certified developers and freelancers for specific time periods or project-based tasks. The platform supports hiring in diverse fields such as IT & Programming, Design & Multimedia, Writing & Translation, and more, offering payment flexibility in local currencies or USD. Workana ensures satisfaction with protected payments and a satisfaction guarantee, aiming to grow businesses quickly and sustainably by leveraging the best remote talent available.

📋 Description

• Maintain, debug, and scale a production MERN application • Build secure Data Export and Analytics APIs for Microsoft Power BI and other external systems • Design large-data workflows using MongoDB cursors, batching, Node.js streams, CSV exports, and Amazon S3 • Implement secure multi-tenant access with authentication, authorization, API credentials, rate limiting, and strict organization-level data isolation • Design and optimize MongoDB and Mongoose schemas, indexes, aggregation pipelines, Atlas Search configurations, and database queries • Analyze query performance using explain() and implement appropriate optimization strategies • Build reliable asynchronous workflows with concurrency controls, retries, idempotency, leases, locks, timeouts, and failure recovery • Develop new features end-to-end across React, Redux, Node.js, and Express • Integrate and maintain third-party services, including AI/NLP tools, Twilio, SendGrid, Stripe, Microsoft services, Slack, and AWS services • Improve application performance, security, reliability, logging, monitoring, and observability • Investigate and resolve production issues in a large, established application • Collaborate directly with the CTO to define technical solutions, prioritize work, and deliver reliable production features • Contribute to technical documentation, development standards, and continuous improvement of the platform

🎯 Requirements

• 5+ years of professional experience developing full stack applications with the MERN stack • Advanced experience with MongoDB, Express, React, and Node.js • Strong experience designing and developing backend systems and production-grade APIs • Proven experience building data-access, reporting, analytics, or data-export APIs • Strong knowledge of REST APIs, API design, and API versioning • Solid understanding of authentication, authorization, and multi-tenant application security • Practical experience with Node.js streams, backpressure, batching, and processing large datasets without loading everything into memory • Strong knowledge of concurrency, retries, idempotency, timeouts, failure recovery, and asynchronous processing • Deep experience with MongoDB indexes, aggregation pipelines, query optimization, explain(), and Mongoose • Strong AWS experience, particularly with EC2, S3, IAM, CloudFront, and WAF • Strong React and Redux experience in established production codebases • Availability to work in alignment with U.S. West Coast / Los Angeles business hours

🏖️ Benefits

• Compensation in USD • Fully remote, long-term opportunity • Work directly with a technical founder and CTO • Professional growth toward a technical lead position