Senior Mern Developer with 5+ years in scalable server-side applications & secure REST APIs
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Backend-focused Node.js developer with 4+ years of experience building scalable server-side applications using Node.js, Express.js, and MongoDB. Skilled in developing high-performance REST APIs, handling high-volume data processing, implementing secure authentication (JWT, RBAC, 2FA), optimizing database queries, and managing asynchronous workflows and concurrency in production systems, with experience integrating services like Stripe, Twilio, and SendGrid.
Shri Vaishnav Institute of Information Technology, Indore
Bachelor of Technology · Information Technology
July 1, 2016 – July 1, 2020
Long Layover
Airport Marketplace Platform
September 1, 2022 – February 1, 2023
India
Mindcrew Technologies Pvt. Ltd.
Node.js Developer
January 1, 2022 – Present
Indore, Madhya Pradesh, India
GLOREP CMS - ID (Compliance & Identity Verification Platform)
February 1, 2023 – February 1, 2026
Backend system for identity verification and compliance workflows, handling KYC processing, risk evaluation, and large-scale document management for individuals and entities. Designed a multi-tenant backend system supporting high-volume data processing, concurrent workflows, and performance-critical operations with strict tenant-level isolation. Built secure, scalable REST APIs for identity verification and risk-based compliance workflows, supporting dynamic onboarding and event-driven processing. Architected a dynamic verification workflow engine with configurable, step-based KYC processes, supporting multiple flow types with admin-driven rules, and a highly configurable risk matrix applied across both user verification and internal admin workflows, along with resumable sessions and expiry controls. Implemented multi-level role-based access control (RBAC) with granular permissions and secure authentication using JWT, CSRF protection, TOTP-based 2FA, and field-level encryption via Mongoose hooks. Optimized bulk CSV import pipelines, processing 50K+ encrypted records in under 15 minutes using streaming and batch processing techniques. Designed a MongoDB audit logging system handling 100K+ activity records, ensuring traceability, compliance, and high-performance querying. Built a scalable notification and email queue system processing 5K+ records daily with controlled concurrency (p-limit), retries, and delivery tracking. Implemented large file handling using MongoDB GridFS and developed streaming APIs for serving large media (base64) with memory-efficient processing. Developed cluster-aware schedulers using node-cron and IPC, enabling distributed job execution across multiple Node.js clusters. Built a configurable event-driven system allowing admins to define custom events and webhook integrations with detailed request/response logging, retry mechanisms, and failure tracking, along with a developer portal for API key management and external system integration. Implemented a credit-based usage system tied to verification operations (manual, workflow, and scheduled), with audit tracking. Designed and implemented a Stripe-based billing system with dynamic subscription plans and credit-based pricing, enabling super admin-controlled monetization and flexible usage models for tenant admins.
Cultural Fit Analysis
The candidate's project experience, particularly the GLOREP CMS, showcases a strong alignment with complex, backend-heavy roles requiring robust system design and security considerations. The breadth of skills across backend, database, security, and integrations indicates adaptability and a willingness to tackle diverse technical challenges. The focus on building scalable and secure systems aligns well with a senior MERN developer role that often requires handling critical business logic and data.
Soft Skills & Operational Fit
The candidate demonstrates strong problem-solving skills through complex system designs (e.g., dynamic verification workflow engine, multi-tenant architecture). The detailed project descriptions suggest a methodical approach to development and an understanding of operational challenges like concurrency, security, and scalability. Collaboration with cross-functional teams is mentioned, indicating a team-oriented mindset.