Full stack developer & blockchain engineer with experience in cross-chain bridging, smart contracts, and multi-chain integrations
Aktualisiert am 03.02.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 03.02.2026
Verfügbar zu: 100%
davon vor Ort: 100%
JavaScript
Blockchain
Fullstack
Node.js
NextJS
NestJS
React
Linux
Smart Contracts
EVM
Docker
CI/CD
Git
Tamil
Fluent
German
B2
English
Fluent

Einsatzorte

Einsatzorte

Bochum (+50km)
Deutschland, Schweiz
möglich

Projekte

Projekte

2 years 9 months
2023-06 - now

End-to-end NFT bridging

Full Stack Developer / Blockchain Engineer / Team Lead
Full Stack Developer / Blockchain Engineer / Team Lead
  • End-to-end NFT bridging: Design and implementation of a cross-chain NFT bridging solution for integrating multiple blockchain ecosystems.
  • Multi-chain expertise: Experience with Ethereum, Polygon, BNB, Base, Astar, Soneium, Stacks, Solana, and Bitcoin.
  • Chainlink integration: Use of Chainlink CCIP for cross-chain messaging, VRF for randomness, Functions for off-chain computations, and Price Feeds for real-time market data.
  • Smart contracts: Development and deployment of NFT and fungible token (FT) smart contracts on EVM-based chains and Stacks.
  • Cross-chain tokens & liquidity management: Development of cross-chain token solutions using Chainlink and management of liquidity across different networks.
  • Staking system: Building a complete ERC-20 staking platform with smart contracts, frontend UI, backend services, and analytics integration.
  • Full-stack bridge development: Developing the frontend, backend, storage layer, and smart contracts for a blockchain bridge.
  • Authentication & Security: Implementation of OAuth2 with Magic Link and Sign-In With Ethereum (SIWE) authentication with robust session management.
  • Databases & Caching: Working with MongoDB, Redis, PostgreSQL and SQLite for efficient data storage and retrieval.
  • Testing & Automation: Development of Foundry-based unit and integration tests for EVM smart contracts.
  • Web Development: Creating static and server-side rendered (SSR) pages to optimize performance and SEO.
  • Real-Time Event Processing: Using webhook triggers for database updates and notifications.
  • Server & Process Management: Deploying and managing server processes with Nginx and PM2 for scalability and reliability. 
  • CI/CD: Architechtured and maintained the Devops pipeline.
On Chain Bridges, Brooklyn, NY
3 years 11 months
2019-07 - 2023-05

Privacy-oriented survey platform

Full Stack Developer / ML Engineer
Full Stack Developer / ML Engineer
  • Privacy-oriented survey platform: Design and development of a decentralized survey platform on the Stacks blockchain with a focus on user privacy and security.
  • Frontend: AngularJS | Backend: Node.js | Security: PGP, TweetNaCl.
  • Development of Survey-GPT: AI-based tool for automated survey creation.
  • ML features: Question type prediction, questionnaire automation with client-side stored ML models & OpenAI.
  • Collaborative storage & access control: Implementation of role-based access controls and multi-user collaboration for joint survey management.
  • End-to-end encryption: Development of encrypted storage solutions for individual and collaborative environments to ensure maximum data security.
  • Feature development: Building email services, collaboration tools, ML components, error handling, reporting, and analytics in frontend and backend.
  • Advanced reporting & analytics: Developing comprehensive analytics dashboards and reporting capabilities to gain deep insights into survey responses.
BlockSurvey, Bangalore, India
2 years 6 months
2014-06 - 2016-11

Android App Development

Android Developer
Android Developer
  • Android App Development: Development and maintenance of Android apps with Java-based Android SDK.
  • Notebook App: Notes with voice recording, image storage, and text editing.
  • Event App: Improvement of participant engagement and event experience (Zoholics Roadshow and trade fairs).
Zoho Corp, Chennai, India

Aus- und Weiterbildung

Aus- und Weiterbildung

2010 - 2014

B.Tech Information Technology

Coimbatore Institute of Technology | Coimbatore

GPA: 7,93 / 10,0


1996 - 2010

School

Sri Jayendra Silver Jubilee School |Tirunelveli

Final Percentage: 96,5 / 100,0

Kompetenzen

Kompetenzen

Top-Skills

JavaScript Blockchain Fullstack Node.js NextJS NestJS React Linux Smart Contracts EVM Docker CI/CD Git

Produkte / Standards / Erfahrungen / Methoden

PROFILE

Full stack developer & blockchain engineer with experience in cross-chain bridging, smart contracts, and multi-chain integrations (Ethereum, Polygon, BNB, Solana, Bitcoin). Focus on end-to-end systems from frontend to backend with security, Chainlink integrations, and tokenomics. Successful implementation of Cross Chain bridges, staking systems, and AI-powered tools.


SKILLS & TECHNOLOGIES

Backend:

  • Node.js
  • Express
  • MongoDB
  • Postgres
  • Redis
  • Firebase


Blockchain:

  • EVM
  • Stacks
  • Solana
  • Bitcoin (Ordinals)
  • Chainlink (CCIP, VRF, Functions, Price Feeds)


DevOps & Tools:

  • Nginx
  • PM2
  • Git
  • Foundry
  • Hardhat
  • Remix
  • Docker
  • Prisma
  • Azure
  • GCP


AI/ML:

  • LangChain
  • ChromaDB
  • LLMs
  • OpenAI APIs


Other Tech:

  • AG-Grid
  • SendGrid
  • Algolia


EXPERIENCE

06/2023 ? PRESENT

Role: Full Stack Developer / Blockchain Engineer / Team lead

Customer: On Chain Bridges, Brooklyn, NY


Tasks:

Development of cross-chain bridges, smart contracts, and staking systems.


07/2019 ? 05/2023

Role: Full Stack Developer / ML Engineer

Customer: BlockSurvey, Bangalore, India


Tasks:

Development of a decentralized, data protection-oriented survey platform with AI-supported tools.


06/2014 ? 11/2016

Role: Android Developer

Customer: Zoho Corp, Chennai, India


Tasks:

Android developers with experience in developing productive apps based on the Java-based Android SDK.

Programmiersprachen

JavaScript
Angular JS, React JS, NextJS
HTML
CSS
Python
C/C++
JAVA
SQL
Linux
Solidity
Clarity
Rust

Einsatzorte

Einsatzorte

Bochum (+50km)
Deutschland, Schweiz
möglich

Projekte

Projekte

2 years 9 months
2023-06 - now

End-to-end NFT bridging

Full Stack Developer / Blockchain Engineer / Team Lead
Full Stack Developer / Blockchain Engineer / Team Lead
  • End-to-end NFT bridging: Design and implementation of a cross-chain NFT bridging solution for integrating multiple blockchain ecosystems.
  • Multi-chain expertise: Experience with Ethereum, Polygon, BNB, Base, Astar, Soneium, Stacks, Solana, and Bitcoin.
  • Chainlink integration: Use of Chainlink CCIP for cross-chain messaging, VRF for randomness, Functions for off-chain computations, and Price Feeds for real-time market data.
  • Smart contracts: Development and deployment of NFT and fungible token (FT) smart contracts on EVM-based chains and Stacks.
  • Cross-chain tokens & liquidity management: Development of cross-chain token solutions using Chainlink and management of liquidity across different networks.
  • Staking system: Building a complete ERC-20 staking platform with smart contracts, frontend UI, backend services, and analytics integration.
  • Full-stack bridge development: Developing the frontend, backend, storage layer, and smart contracts for a blockchain bridge.
  • Authentication & Security: Implementation of OAuth2 with Magic Link and Sign-In With Ethereum (SIWE) authentication with robust session management.
  • Databases & Caching: Working with MongoDB, Redis, PostgreSQL and SQLite for efficient data storage and retrieval.
  • Testing & Automation: Development of Foundry-based unit and integration tests for EVM smart contracts.
  • Web Development: Creating static and server-side rendered (SSR) pages to optimize performance and SEO.
  • Real-Time Event Processing: Using webhook triggers for database updates and notifications.
  • Server & Process Management: Deploying and managing server processes with Nginx and PM2 for scalability and reliability. 
  • CI/CD: Architechtured and maintained the Devops pipeline.
On Chain Bridges, Brooklyn, NY
3 years 11 months
2019-07 - 2023-05

Privacy-oriented survey platform

Full Stack Developer / ML Engineer
Full Stack Developer / ML Engineer
  • Privacy-oriented survey platform: Design and development of a decentralized survey platform on the Stacks blockchain with a focus on user privacy and security.
  • Frontend: AngularJS | Backend: Node.js | Security: PGP, TweetNaCl.
  • Development of Survey-GPT: AI-based tool for automated survey creation.
  • ML features: Question type prediction, questionnaire automation with client-side stored ML models & OpenAI.
  • Collaborative storage & access control: Implementation of role-based access controls and multi-user collaboration for joint survey management.
  • End-to-end encryption: Development of encrypted storage solutions for individual and collaborative environments to ensure maximum data security.
  • Feature development: Building email services, collaboration tools, ML components, error handling, reporting, and analytics in frontend and backend.
  • Advanced reporting & analytics: Developing comprehensive analytics dashboards and reporting capabilities to gain deep insights into survey responses.
BlockSurvey, Bangalore, India
2 years 6 months
2014-06 - 2016-11

Android App Development

Android Developer
Android Developer
  • Android App Development: Development and maintenance of Android apps with Java-based Android SDK.
  • Notebook App: Notes with voice recording, image storage, and text editing.
  • Event App: Improvement of participant engagement and event experience (Zoholics Roadshow and trade fairs).
Zoho Corp, Chennai, India

Aus- und Weiterbildung

Aus- und Weiterbildung

2010 - 2014

B.Tech Information Technology

Coimbatore Institute of Technology | Coimbatore

GPA: 7,93 / 10,0


1996 - 2010

School

Sri Jayendra Silver Jubilee School |Tirunelveli

Final Percentage: 96,5 / 100,0

Kompetenzen

Kompetenzen

Top-Skills

JavaScript Blockchain Fullstack Node.js NextJS NestJS React Linux Smart Contracts EVM Docker CI/CD Git

Produkte / Standards / Erfahrungen / Methoden

PROFILE

Full stack developer & blockchain engineer with experience in cross-chain bridging, smart contracts, and multi-chain integrations (Ethereum, Polygon, BNB, Solana, Bitcoin). Focus on end-to-end systems from frontend to backend with security, Chainlink integrations, and tokenomics. Successful implementation of Cross Chain bridges, staking systems, and AI-powered tools.


SKILLS & TECHNOLOGIES

Backend:

  • Node.js
  • Express
  • MongoDB
  • Postgres
  • Redis
  • Firebase


Blockchain:

  • EVM
  • Stacks
  • Solana
  • Bitcoin (Ordinals)
  • Chainlink (CCIP, VRF, Functions, Price Feeds)


DevOps & Tools:

  • Nginx
  • PM2
  • Git
  • Foundry
  • Hardhat
  • Remix
  • Docker
  • Prisma
  • Azure
  • GCP


AI/ML:

  • LangChain
  • ChromaDB
  • LLMs
  • OpenAI APIs


Other Tech:

  • AG-Grid
  • SendGrid
  • Algolia


EXPERIENCE

06/2023 ? PRESENT

Role: Full Stack Developer / Blockchain Engineer / Team lead

Customer: On Chain Bridges, Brooklyn, NY


Tasks:

Development of cross-chain bridges, smart contracts, and staking systems.


07/2019 ? 05/2023

Role: Full Stack Developer / ML Engineer

Customer: BlockSurvey, Bangalore, India


Tasks:

Development of a decentralized, data protection-oriented survey platform with AI-supported tools.


06/2014 ? 11/2016

Role: Android Developer

Customer: Zoho Corp, Chennai, India


Tasks:

Android developers with experience in developing productive apps based on the Java-based Android SDK.

Programmiersprachen

JavaScript
Angular JS, React JS, NextJS
HTML
CSS
Python
C/C++
JAVA
SQL
Linux
Solidity
Clarity
Rust

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