Solution & System Architecture
Turning business problems into boundaries that scale.
Open to architecture & technical leadership conversationsCo-Founder & CTO, Solution Architect, Technical Lead, Full-Stack Engineer, AI-native Builder
Kartik TyagiI design systems, and lead the teams that build them.
I'm an engineer and architect who turns ambiguous problems into systems people can rely on — from legacy modernization to cloud-native platforms, security tooling, and AI-driven engineering workflows.
- 6+YearsEngineering, architecture & technical leadership
- 250+Legacy systemsCOBOL Pathway systems reverse-engineered for modernization
- 20+Products shippedAcross product, enterprise, security & open source
- 7.2k+SO reputationReaching 5.2M+ developers on Stack Overflow
01About
Engineer, architect, builder.
Six-plus years across engineering and architecture — legacy modernization, cloud-native platforms, security tooling, and AI-driven engineering workflows.
I care about decisions that age well: clear contracts, honest trade-offs, and architecture a new engineer can reason about a year in.
Think in systems. Build for the people who inherit them.
How I think
- 01
Architecture is decisions, not diagrams
Make the trade-offs explicit. Choose deliberately.
- 02
Optimize for the engineer who inherits it
Clear seams, honest names. Boring beats clever.
- 03
Understand before you replace
Reverse-engineer the why before touching the how.
- 04
Leverage over effort
Build the thing that builds the things.
02Expertise
What I do best.
Full-Stack Engineering
End-to-end delivery across Java, Node, and React.
Cloud & Distributed Systems
Cloud-native platforms on AWS with pragmatic reliability.
Legacy Modernization
COBOL to Java. Monoliths to services. Without breaking the business.
Cybersecurity Engineering
Threat-intel, exposure management, and analysis platforms.
AI-native Engineering
Models and agents as first-class parts of the toolchain.
Product & Technical Leadership
Leading teams from zero to shipped.
The toolbox
Languages & Frameworks
- Java
- Spring Boot
- Node.js
- TypeScript
- JavaScript
- NestJS
- Express.js
- React.js
- Next.js
- React Native
Cloud & DevOps
- AWS (EC2 · S3 · EKS · R2)
- DigitalOcean
- Terraform
- Docker
- Kubernetes
- Jenkins
- GitHub Actions
- CI/CD
- Firebase
- Jest
Data & Messaging
- PostgreSQL
- MongoDB
- MySQL
- Oracle Database
- DynamoDB
- ClickHouse
- ScyllaDB
- OpenSearch
- Valkey
- Sequelize
Architecture & Tooling
- Microservices
- REST APIs
- GraphQL
- WebSocket
- WebRTC
- Grafana
- Prometheus
- Dynatrace
- Proxmox
- Swagger
AI · IDEs · Models
- Cursor
- Devin
- OpenCode
- Windsurf
- GitHub Copilot
- Claude (Opus · Sonnet)
- Composer
- GPT
- Gemini
- Hugging Face
03Experience
Where I've done the work.
- 2024 — Present
Creospan
Pune, India- Technical LeadOct 2025 — Present
- Senior EngineerDec 2024 — Sep 2025
- Reverse-engineered 250+ COBOL Pathway systems into modernization strategy.
- Designed a closed-loop AI + validation pipeline for COBOL → Java.
- Solution Architecture
- COBOL → Java
- Microservices
- AWS
- MuleSoft
- IBM MQ
- Terraform
- 2024
Artios Media Consulting
ConsultingHyderabad, India- Technology Solutions Consultant2024
- Architected BreachX, PrivilegeZero, CTEM & Malware Bucket.
- Built Credibl and EthixFirst — bulk credentialing and workplace ethics.
- React
- React Native
- Node.js
- MongoDB
- AWS
- Threat Intel
- 2023 — 2024
Grid Dynamics
Bengaluru, India- EngineerSep 2023 — Mar 2024
- REST services in NestJS · TypeScript · Prisma.
- React apps + AWS CI/CD delivery.
- NestJS
- TypeScript
- Prisma
- React.js
- MUI
- AWS
- 2021 — 2023
Mutual Mobile
Hyderabad, India- EngineerAug 2022 — Feb 2023
- Associate EngineerFeb 2021 — Aug 2022
- APIs in NestJS · TypeScript · MongoDB with Jest & Swagger.
- React interfaces + Agile delivery across the SDLC.
- NestJS
- TypeScript
- MongoDB
- React.js
- Jest
- AWS
- 2020 — Present
Adorway
FounderIndia- Co-Founder & CTOJan 2020 — Present
- Led architecture for Orkaiva HRM and CopConnect.
- Scaled EthicalLearner from zero; shipped SLR Astro and client platforms.
- Node.js
- Express
- MongoDB
- React
- React Native
- Microservices
04Projects
Things I've built.
Professional
Cobol to Java
Modernization intelligence for legacy systems.
- COBOL
- Java
- OpenCode AI
- Validation
Enterprise
Product
Orkaiva
Modular, multi-tenant HRM platform.
- Microservices
- Node.js
- React
- Multi-tenancy
- AWS
Product
Product
SLR Astro
Consultations, delivered on mobile.
- React Native
- Node.js
- Realtime
Mobile
Security
PrivilegeZero
Threat intelligence, operationalized.
- Threat Intel
- React
- Node.js
Security
Professional
Credibl
Digital credentials at scale.
- React
- Canvas / SVG
- Node.js
Client work
Security
BreachX
Attack-resistance & proactive defense.
- Vulnerability Research
- React
- Node.js
Security
Product
CopConnect
Cyber-safety, made reachable.
- React Native
- Node.js
- Secure comms
Social impact
Security
CTEM
Continuous Threat Exposure Management.
- Exposure Mgmt
- Automation
Security
Security
Malware Bucket
Automated malware analysis.
- Malware Analysis
- Automation
Security
Product
EthixFirst
Workplace ethics & integrity.
- React
- Node.js
- Workflow
Product
Open Source
React-DevDotTo
Published NPM package for React devs.
- React
- TypeScript
- NPM
NPM
Experiment
Ananta
A calmer new-tab, your way.
- Browser Extension
- JavaScript
Browser extension
05Engineering × AI
How AI fits into my engineering.
AI as part of the toolchain, not a novelty — used with judgment and verified against reality.
ai-native-workflow
01
Reverse-engineering the unknown
Reading decades-old systems fast — mapping internals and surfacing hidden business rules.
02
Exploring solution space
Pressure-testing architectures early — so the design that ships is chosen, not stumbled into.
03
Closed-loop modernization
AI proposes, validation checks, context accumulates. Repeatable, honest migrations.
04
Context-aware automation
Agents that know a codebase's conventions handle the mechanics; humans handle decisions.
IDEs & Agents
- Cursor
- Devin
- OpenCode
- Windsurf
- Copilot
Models
- Claude Opus
- Claude Sonnet
- Composer
- GPT
- Gemini
Applied to
- Modernization
- Reverse-engineering
- Automation
- Architecture
Used well, AI compounds a team's knowledge. Used carelessly, it compounds its mistakes.
06Beyond the code
Life happens away from the keyboard.
Cricket
A captain's game — reading situations before the ball is bowled.
Billiards
Thinking two or three shots ahead. Position over pot.
Mountains
Perspective on hard problems, somewhere above the tree line.
Innovation
Happiest with a blank repo and a new idea.
Recognition
A few things I'm proud of.
- 7.2k+ reputation on Stack OverflowAnswers that have reached 5.2M+ developers worldwide.
- Hackathon wins — HackVSIT & HackPCBTRecognized for building under pressure at national hackathons.
- MongoDB Node.js Developer PathMongoDB Certification Program.
- AMCAT Technical CertificationAspiring Minds — SHL.
Education
Where the foundations were laid.
B.Tech, Computer Science & Engineering
Lovely Professional UniversityPunjab, India
What's next
Let's build something that lasts.
An architecture you're shaping, a hard modernization, or a product still on the whiteboard — I'd like to hear about it.