Software Engineer
I architectend-to-endsolutions.
Hi, I'm Vishawjeet Sidhu. I transform complex problems into elegant mobile apps and cloud-native web platforms.
Work
Experience.
My professional journey in building scalable applications and solving complex engineering problems.
Instep Technologies
05/2025 - PresentFull Stack Intern
Developed international client project modules using Flutter, Next.js, and Express.js, ensuring seamless integration between frontend and backend.
- Implemented caching strategies that improved API response time by ~40% and enhanced overall app performance.
- Optimized application workflows, reducing app loading time by ~50% and improving user experience.
- Designed and managed a cloud-native notification architecture using AWS Lambda, EventBridge, EC2, SQS, and Firebase.
- Applied agentic AI workflows to design and automate module development, cutting manual effort by 25%.
Technical
Expertise.
My stack is pragmatic and adaptable. I prioritize tools that offer type safety, scalability, and excellent developer experience.
Frontend Development
Backend Development
Tools & Technologies
Selected
Projects.
Deep dives into complex problems. No fluff, just code and architecture.
PrepWAI
AI-powered platform offering real-time technical mock interviews using dynamic, context-aware agentic workflows.
- AI-tailored interviews based on job description
- Real-time interview simulation with WebSockets
- Retrieval-Augmented Generation using Pinecone
- Instant feedback, performance analytics, and evaluation
- Token-based credit system with Razorpay integration
- Hybrid database architecture (PostgreSQL + MongoDB)
EduClinic
A platform connecting students, alumni, industries, and institutions for jobs, mentorship, events, and collaboration.
- Role-based dashboards for students, alumni, and industries
- Job boards, event management, and engagement tracking
- Industry dashboard to post jobs, courses, and browse profiles
- Real-time discussions and community spaces with Pusher
- Rich user profiles with projects, skills, and qualifications
- Admin panel for college approval and user management
Psychiatrist Assist AI
Mental wellness app helping psychiatrists monitor and assist patients remotely via real-time tracking and AI insights.
- Mood and sleep monitoring with trend analysis
- Task tracking system for behavioral activation
- Weekly assessment tests
- Personal AI assistant (Agentic Workflows)
- Doctor dashboard with patient risk analytics
Latest Writing
View all postsBuilding a Scalable Multi-Channel Notification System on AWS
Architecting a fault-tolerant, event-driven notification pipeline using AWS Lambda, SQS, and EventBridge to handle millions of triggers for a global client.
Read articleBehind the Architecture of PrepWAI: Designing an End-to-End AI Interview Platform
How I built a fully automated interview pipeline using Dual Agent architecture, Vector Search, and a multi-database strategy to simulate real-world technical interviews.
Read articleBFCET Hack 2.0: A 36-Hour Journey to 2nd Place
Over two unforgettable days, my team 4FIVE6 clinched 2nd place in a 36-hour hackathon, building a mental wellness app that combines agentic workflows and sentiment analysis.
Read articlePsychiatrist Assist AI: A Mental Wellness Companion
A mobile application designed to bridge the gap between psychiatrists and patients, offering remote mental health support through advanced AI technology.
Read articleDesigned & Built with love ❤️