Senior Full Stack Developer

5 days ago

Nairobi, Nairobi Area, Kenya 1e0fd12b-4280-407e-8978-b0967d5db2db Full time 60,000 - 120,000 per year

My client is seeking a Senior Full-Stack Developer with strong mobile and backend expertise to help build and scale our educator platform across Africa. You'll play a key role in designing, deploying, and maintaining features that empower schools and teachers to succeed—even in low-bandwidth environments. This is a 6-month contract role with the opportunity to transition into a full-time position and a path to full benefits, based on performance and alignment with company goals.

Key Responsibilities

  • Design, build, and maintain backend services using , MongoDB Atlas, and AWS (EC2).
  • Develop and enhance our Flutter mobile application (integrated with Hive for local storage).
  • Implement secure integrations with Flutterwave, Xendit, Stripe, and Thunes for payments.
  • Use React to manage the web interface and admin dashboards.
  • Build and optimize real-time data syncing via WebSockets.
  • Integrate communication and notification services (FCM, Twilio, SendGrid).
  • Manage file storage and access through Google Console (Drive Connect).
  • Deploy and maintain cloud infrastructure for reliability, scalability, and security.
  • Integrate and test LLM APIs (OpenAI, Claude, and Gemini) to support AI-driven learning and admin features.
  • Collaborate closely with education, design, and product teams to deliver meaningful, user-friendly experiences.
  • Conduct QA testing and troubleshooting across devices and environments

Qualifications

  • 5+ years of professional experience in software development.
  • Strong proficiency in , Flutter, React, and MongoDB.
  • Solid understanding of AWS infrastructure and DevOps practices.
  • Experience deploying mobile-first applications optimized for low-connectivity regions.
  • Experience working with payment gateways and secure API integrations.
  • Familiarity with LLM APIs (OpenAI, Claude, Gemini) for applied use cases.
  • Knowledge of WebSocket, Firebase Cloud Messaging, and SendGrid/Twilio integrations.
  • Strong debugging and performance optimization skills.
  • Excellent communication and documentation habits.

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