Senior Full Stack Developer

Company: Zapdrive Technologies Pvt. Ltd. (Parké)

Location: Kochi, Kerala

Employment Type: Full\-time

Experience: 5\+ years preferred

Salary: Based on experience and technical expertise

• *About Parké**

Parké is a parking technology company offering parking bookings, partner operations, SaaS parking management and integrated parking solutions. We are looking for a hands\-on Senior Full Stack Developer to take technical ownership of our mobile apps, web platforms and backend systems.

• *Role Overview**

Develop and maintain the Parké User App, Partner App, Admin Panel, website and SaaS platform, with responsibility for production stability, data accuracy and release quality.

• *Key Responsibilities**

• Develop and maintain mobile applications using React Native and Expo, and web applications using React.
• Build secure, scalable APIs using Node.js, Express, JavaScript and TypeScript.
• Manage MongoDB databases, including schema design, indexing, query optimisation and data integrity.
• Own critical workflows such as bookings, check\-in/check\-out, parking charges, payments, refunds, wallets, subscriptions and revenue reports.
• Evaluate how each change affects connected apps, services and reports before implementation.
• Test multiple scenarios, edge cases and failure conditions, and complete regression checks before confirming a fix.
• Investigate production issues, identify root causes and implement lasting solutions.
• Maintain integrations with Razorpay, Google Maps, Firebase, AWS S3, SMS and WhatsApp services.
• Manage deployments on AWS Elastic Beanstalk and Amplify, with proper environment separation, monitoring and rollback procedures.
• Strengthen authentication, access controls, credential management and SaaS customer data isolation.
• Maintain technical documentation covering architecture, APIs, databases, integrations and deployment procedures.
• Review code, mentor developers and coordinate with design, operations and management to deliver agreed priorities.

• *Required Skills**

• Strong hands\-on experience with React, React Native, Node.js and Express.
• Proficiency in JavaScript and TypeScript.
• Experience with MongoDB and Mongoose.
• Working knowledge of Redux Toolkit, RTK Query, REST APIs and JWT authentication.
• Experience with Expo, EAS builds and Android/iOS release workflows.
• Practical AWS deployment and troubleshooting experience.
• Experience integrating payment gateways, verifying webhooks and preventing duplicate payment processing.
• Strong Git/GitHub practices, code review skills and automated testing experience.
• Ability to independently troubleshoot issues across frontend, backend, database and infrastructure.

• *Preferred Experience**

• SaaS, marketplace, booking or transaction\-based products.
• Bluetooth thermal printer integration, QR scanning and push notifications.
• Socket.IO, scheduled jobs and communication between backend services.
• CI/CD, performance monitoring, database backups and recovery.
• Parking hardware integrations such as ANPR cameras, RFID readers and boom barriers.

• *What We Expect**

A developer who takes ownership from requirement understanding through deployment and verification, communicates blockers early, and ensures changes work correctly across all affected scenarios.

• *How to Apply**

Interested candidates apply through indeed or share your updated resume to whatsapp 8138084344

Pay: ₹30,000\.00 \- ₹60,000\.00 per month

Work Location: In person