Senior Full Stack Software Engineer & Cloud Architect with 3+ years of professional experience engineering high-concurrency, mission-critical systems across Healthcare, FinTech, E-Learning, and Real Estate domains.
Specialized in .NET 8/9, ASP.NET Core, C#, Angular, React, and Next.js 15, my engineering focus revolves around Clean Architecture, Domain-Driven Design (DDD), resilient API design, and database query optimization.
namespace Enterprise.Core.Architecture;
public record SeniorEngineerProfile
{
public string Name { get; init; } = "Vishal Maurya";
public string Title { get; init; } = "Senior Full Stack Engineer & Cloud Systems Architect";
public string Experience { get; init; } = "3+ Years Professional Enterprise Systems";
public string Focus { get; init; } = "High-Throughput Distributed Backends & Modern Reactive Frontends";
public IReadOnlyList<string> CorePrinciples { get; init; } = [
"Clean Architecture & DDD",
"SOLID & Self-Healing Codebase",
"Zero-Trust Security & Granular RBAC",
"Low Latency & High Performance Optimization"
];
}| Domain | Core Technologies & Frameworks |
|---|---|
| Backend & APIs | |
| Frontend & UI | |
| Data & Persistence | |
| Architecture & Patterns | |
| DevOps & Infrastructure |
Active contributor solving high-complexity architectural issues, security validations, and asset pipelines in production open-source ecosystems:
| Ecosystem / Platform | Architectural Problem Solved | Pull Request | Payout Status |
|---|---|---|---|
| calcom / cal.com | WebEx & Integration Webhook Sanitization: Attendee email URI encoding, casing normalization, and HTTP error boundary reporting | PR #2744 | |
| open--webui / open--webui | RAG Vector Database Connection Resiliency: Exponential backoff client wrapper and Chroma/Qdrant timeout retry logic | PR #4512 | |
| dubinc / dub | Short Link Edge KV Cache & Rate Limiting: Fixed window epoch EXPIREAT rate-limiter alignment across Vercel Edge functions | PR #1920 | |
| dubinc / dub | Analytics Timezone Bucket Aggregation: Timezone transformation normalization prior to interval quantization in ClickHouse query engine | PR #1842 | |
| triggerdotdev / trigger.dev | Webhook Signature Verification: Constant-time HMAC byte length normalization and timing-safe digest comparison | PR #3120 | |
| twentyhq / twenty | SMTP Provider Payload Validation: Strict port bounds validation (1-65535) and connection socket timeout safeguards |
PR #5489 | |
| calcom / cal.com | Embed React 18.2 Mount Safeguard: Idempotent initialization and async effect resolution under React 18 Strict Mode | PR #17563 | |
| Bitcoindefi / OpenAO | Real-Time World Asset Telemetry & Boundary Rate Limiting: LRU texture cache engine, token-bucket rate limiting, and asset prebuild verification | PR #371 | |
| Bitcoindefi / OpenAO | User Map Isolation & Quotas: Reserved namespace partitioning (100k-999k), economic security rules, and portal world-boundary enforcement |
PR #369 | |
| Bitcoindefi / OpenAO | Map Proposal & Moderation System: State machine engine (draft -> review -> published), validation rules, and schema migrations |
PR #368 | |
| Bitcoindefi / OpenAO | Docker Multi-Stage Build Map Exporter: Zero-dependency optimized asset generator & Next.js prebuild verification | PR #370 | |
| prereview / rapid-prereview | API Security & Integrity: Strict payload sanitization, DOI regex validation, and request route hardening | PR #76 |
|
Mission-critical healthcare enterprise solution handling inpatient/outpatient admissions, doctor scheduling, pharmacy inventory, lab report workflows, and multi-tier insurance billing. Architecture Highlights: Clean Architecture, CQRS, Repository Pattern, N-Tier separation, Database Indexing. Tech Stack: |
Interactive educational ecosystem supporting video streaming, automated grading, progress telemetry, instructor revenue distribution, and certificate generation. Architecture Highlights: Serverless API routes, optimized SSR/SSG caching, granular RBAC, relational data modelling. Tech Stack: |
|
High-volume property portfolio management platform featuring dynamic lead pipelines, automated agent commission rules, digital lease contract tracking, and financial analytics. Architecture Highlights: High-speed read queries with Dapper, stored procedures, audit logging, responsive UI. Tech Stack: |
Real-time online examination platform designed for thousands of simultaneous examinees with dynamic question shuffling, automated proctoring telemetry, and instant results calculation. Architecture Highlights: Real-time socket communication, low-latency state synchronization, resilient failover. Tech Stack: |
Whether you are looking to discuss Enterprise System Design, .NET Core Microservices, Full Stack Architecture, or explore high-impact engineering opportunities: