Architecting scalable backend systems
Ajay Vishwakarma

Engineering scalablesystems built forreal-world impact.

I architect robust backend systems and performance-driven applications designed for scale and production stability.

Scalable Backend SystemsProduction-FocusedOpen to Remote

Currently Building...

Live

Software Engineer

MERNAI/MLfastAPI
Built for ScaleEngineered for PerformanceProduction-Ready Backend SystemsReal-Time ArchitecturesAI-Driven SaaS PlatformsHigh-Throughput APIsSecure Cloud InfrastructureTech FuturistBuilt for ScaleEngineered for PerformanceProduction-Ready Backend SystemsReal-Time ArchitecturesAI-Driven SaaS PlatformsHigh-Throughput APIsSecure Cloud InfrastructureTech Futurist

By the numbers

Engineering Impact

0%
Manual Processing
reduced via automation
0%
Matching Accuracy
intelligent ATS scoring
0%
API Performance
optimized synchronization
0%
Screening Time
saved for recruiters

Precision Engineered

Selected
Work

Projects
0
Experience
0 yrs
Shipped
0%
Screenshot of TeamSketch
Real-time Collaboration
2024

TeamSketch

High-performance collaborative whiteboard application with real-time multi-user interaction, advanced drawing tools, and WebSocket communication.

  • React.js
  • Socket.io
  • Node.js
  • Tailwind CSS
Screenshot of Paytm Clone
Fintech Application
2024

Paytm Clone

Secure fintech application featuring user authentication via NextAuth and onramp transaction functionality. Implements real-time balance updates and transaction history.

  • Next.js
  • Express.js
  • PostgreSQL
  • Turborepo
  • Tailwind CSS
  • NextAuth
Jun 2024
Screenshot of PDF-Chat Application
NLP Parsing
2024

PDF-Chat Application

Full-stack PDF chat application using FastAPI, React.js, and PostgreSQL. Integrated LangChain for NLP processing and Google Drive API for secure storage (50MB+).

  • FastAPI
  • React.js
  • PostgreSQL
  • LangChain
  • Google Drive API
May 2024
Screenshot of Medium Blog Clone
Content Platform
2024

Medium Blog Clone

Responsive blog platform with secure authentication and optimized API. Achieved significant load time reductions and cross-device consistency using Tailwind CSS.

  • React.js
  • Node.js
  • PostgreSQL
  • Tailwind CSS
  • Workers
Mar 2024

8 selected works

Explore Archive
2026

The Chronicles

Professional
Landscape

A trajectory of technical growth, product engineering, and strategic contributions across diverse industries.

2026

Freelance Software Dev.

Active

Software Engineer

RemoteJan 2026 – Present
0%

manual processing reduced

Impact & Key Results

  • Architected and implemented scalable backend workflows for a property-tech CRM, automating lead generation pipelines
  • Optimized API performance by 40% through scheduled data caching and efficient database synchronization
  • Engineered a production-grade softphone module for call lifecycle management and real-time state tracking
  • Refactored time-intensive operations into asynchronous background jobs, increasing throughput by 45%
  • Strengthened data integrity using optimized indexing and transactional database patterns
Next.jsNode.jsPostgreSQLRedisCRM
2025

Cloudnexus

Full Stack Developer

Bhopal, IndiaDec 2024 – Oct 2025
0%

ATS accuracy boost

Impact & Key Results

  • Spearheaded development of Jobra AI (intelligent ATS), improving matching accuracy by 45% and saving 60% screening time
  • Collaborated with Anthropic (P18, P28, Claude Code) to enhance LLM performance, increasing interpretability by 25%
  • Designed a Threat Management System with 2FA, secure RBAC, and dynamic Excel ingestion/visualization
  • Interviewed and evaluated engineering candidates, reducing onboarding time by 30%
  • Mastered prompt engineering to enhance productivity by 30% and enable early deliveries
React.jsNode.jsMongoDBAnthropic APIAI/ML
2024

Stackmentalist

Full Stack Developer Intern

Pune, MaharashtraSep 2024 – Nov 2024
0%

module delivery rate

Impact & Key Results

  • Developed official company website using Next.js, Next-Intl (multilingual), and Tailwind CSS
  • Created robust CRM APIs documented with Swagger, improving scalability and efficiency
  • Built HRMS modules: Attendance (location-based), Tasks, Holidays, Leaves, and Real-time Notifications
  • Demonstrated high-quality solution delivery within tight deadlines and cross-functional teamwork
Next.jsNext-IntlTailwind CSSSwagger
2023

Persistent

Martian Summer Intern

Bhopal, M.P.Sep 2023 – Nov 2023
0%

training completion

Impact & Key Results

  • Completed comprehensive training in DBMS, Computer Networks, and OS with a 95% completion rate
  • Applied theoretical knowledge to 20+ practical coding challenges, enhancing problem-solving skills
  • Developed in-depth SDLC understanding, improving project planning abilities by 40%
  • Boosted code quality by 25% through iterative development and mentor feedback
DBMSComputer NetworksOSSDLC

Future Proofing

Ready to scale your next
technical venture?

Start a Conversation
FOUNDATION

Foundation

Engineering Education

Academic foundations that shaped my engineering thinking.

EDUCATION

OIST · Bhopal, M.P.

Bachelor of Technology

Computer Science (AIML)

Jul 2020 — Jun 2024

  • Specialization in AI/ML alongside core computer science fundamentals
  • Systems thinking, algorithms, and full-stack backend development
  • Built production-ready web applications from sophomore year onward
AlgorithmsSystem DesignData StructuresBackend DevAI / ML
7.9/ 10

CGPA

Oriental Institute of Science and Technology

SYS.CLASS — ENG.MATRIX.v5

Engineering Capability Matrix

Precision-engineered systems across the full stack — architecture to deployment.

Refined Digital Alchemy • Precision Engineered Portfolio System
Live Work

Currently Building

Engineering in motion — systems under active development and continuous iteration.

Build Log — 2026
01

PropTech CRM

Active
Stack
Next.js · Node.js MongoDB · Fine tuning
Phase
Phase II — Pipeline Automation

Scalable backend architecture for a property-tech CRM — automating lead generation pipelines, optimizing API performance via scheduled caching, and integrating a production-grade softphone module with real-time call lifecycle management.

0%
Milestones
Lead generation pipeline — automated & live
API caching layer — 40% performance gain
Softphone module — call lifecycle integration
Async background jobs — throughput scaling
Stack
NXNext
NDNode
PGPostgreSQL
FTFine tuning
DKDocker
Archive — System.Log.v3
Field Notes

Engineering Notes

Fragments of architecture thinking, captured during active system design and deep technical iteration.

Feb 2026
Jan 2026
Nov 2025
Oct 2025
01ArchitectureFeb 2026

The Real Cost of Abstraction Layers

Every abstraction is a bet that the future resembles today's assumptions. The best codebases delay generalization until a pattern emerges three times — premature abstraction creates coupling that is invisible during development and punishing during scale.

Architecture · System Design · Backend
02PerformanceJan 2026

Latency as a Product Personality

When we optimized the CRM API layer from ~340ms to ~67ms median response, the shift wasn't just in metrics — it changed how users described the product. Response time is the system speaking before any UI element does. Engineers who treat it as purely technical miss a product lever.

Performance · Infrastructure · API Design
03ReliabilityNov 2025

Designing Systems That Fail Gracefully

The failures that cause the most damage are never in the runbook. Building the Jobra AI ATS taught me that robustness comes not from predicting every failure mode, but from designing recovery paths that work even for surprises.

Reliability · Distributed Systems · ATS
04SystemsOct 2025

Event Schemas Are Contracts in Disguise

Async event systems feel decoupled at the interface but are semantically coupled beneath. Changing what an event means is harder than changing a synchronous API — the feedback loop is slower and the blast radius much larger.

Architecture · Events · Domain Design
Open Channel

Let's Build Something
Meaningful.

Focused systems. Thoughtful execution. Built to last.