Hey! I'm Ammar Robbani
Software Engineer & Web3 Enthusiast
Robbyn

About

Building decentralized applications and exploring blockchain innovations. Leveraging my education, skills, and experience to deliver value through technical solutions. Check out my hackathon projects to see my work in action.

Work Experience

N

Napier

Aug 2025 - Present
Software Engineer
Building backend infrastructure for a DeFi yield trading protocol. Developing APIs and integrating subgraph indexers for on-chain data. Managing AWS infrastructure including EC2, ECS, ElastiCache, and S3. Integrated DefiLlama data feeds and built Slack bot tooling for internal operations. Tech stack: Typescript, Node.js, Subgraph, AWS, PostgreSQL.
W

Webtiga

Jun 2025 - Present
Software Engineer
Building a crypto-to-fiat payment gateway for merchants. Developed invoice management system and custom on-chain indexer in Go. Architected payment processing pipeline using RabbitMQ to handle incoming on-chain transactions and reconcile them as fiat records for merchants. Tech stack: Go, RabbitMQ, PostgreSQL, EVM.
M

Manexus

May 2024 - Sep 2025
Software Engineer
Engineered digital asset and RWA properties marketplaces with smart contract integration. Developed AI-powered image generation and analysis platform. Architected scalable backend systems and APIs. Implemented semantic search and optimized data processing workflows. Tech stack: Typescript, Nest.js, Thirdweb, PostgreSQL, Langchain, Pinecone, OpenAI, Foundry, Solidity, Viem.
F

Feedloop

Sep 2021 - Feb 2024
Software Engineer
Engineered Customer Experience Platform with event tracking and marketing campaign capabilities. Developed analytics features including trend analysis, RFM modeling and user path tracking. Built device tracking system, PII compliance tools and lead management solutions. Implemented data import framework and segmentation engine. Architected multi-workspace infrastructure and core platform services. Tech stack: Typescript, Express, Cron, GraphQL, Kubernetes, Docker, PostgreSQL, Clickhouse.

Education

C

Cyfrin Updraft

2023 - 2024
Smart Contract Solidity Developer Course
I

Institut Teknologi Bandung

2016 - 2020
Bachelor of Engineering in Information System And Technology

Skills

Typescript
Javascript
React
Next.js
Nest.js
Node.js
Solidity
Foundry
Postgres
Docker
AWS
Subgraph
Wagmi
Viem
EVM Integrations
Projects

What I've been building

From DeFi protocols to AI agents — here are some of the projects I've shipped.

GTX - Great Trading Xperience

GTX - Great Trading Xperience

Built a fully on-chain Central Limit Order Book (CLOB) DEX implementing an efficient decentralized orderbook system and cross-chain swaps using an open intent-based architecture.

Next.js
Wagmi
Viem
Typescript
Solidity
Foundry
Open Intents
Hyperlane
Espresso
Arbitrum Nitro
Website
Crediflex

Crediflex

An undercollateralized lending protocol leveraging on-chain activity-based credit scoring to enable users to borrow assets beyond their collateralized amount.

Next.js
Chainlink
RainbowKit
Wagmi
Viem
Pinata
Foundry
TypeScript
Eigenlayer AVS
Alchemy
Reclaim
Website
Source
Rekt-AI

Rekt-AI

An AI-driven prediction market where users compete against AI in gamified forecasting tournaments, with AI evolving based on user-generated insights.

Coinbase SDK
AgentKit
Langchain
The Graph
Next.js
Wagmi
Viem
Typescript
Express
Foundry
Solidity
Website
Source
Kolektiva

Kolektiva

A tokenized real estate marketplace that enables users to own fractional shares of properties.

Next.js
Wagmi
Viem
Foundry
Solidity
TypeScript
Oracle
PostgreSQL
Website
D-Auction App

D-Auction App

A decentralized auction platform enabling transparent NFT auctions. Users can seamlessly create auctions, bid, and claim NFT ownership.

Next.js
Scaffold-ETH 2
RainbowKit
Wagmi
Viem
Alchemy
Foundry
Solidity
Typescript
Website
Source
youtubeDemo
Hackathons

Ship fast, learn faster

21+ hackathons and counting. Building across DeFi, AI agents, mobile, and infrastructure — winning a few along the way.

  • D

    DomainFi Challenge

    Winner - Track 2: Trading Competitions & Portfolio Tools
    Built DomaLend, a decentralized lending protocol that unlocks liquidity from tokenized domain NFTs through AI-driven valuation and automated risk assessment.
    DoraHacks
    Hackathon
  • S

    Synthesis Hackathon, MetaMask

    Built GEASS, a financial privacy agent on Base Sepolia leveraging MetaMask Delegation Framework for scoped spending delegation, private reasoning via Venice.ai, DeFi execution via Bankr, and identity separation via SIWA.
    Website
  • I

    Identity Hub AI Hackathon

    Built Mantis, an AI-powered autonomous DeFi agent on TON. Telegram bot with MCP server for natural language DeFi operations — swaps via DeDust/STON.fi, yield optimization across 4 protocols, portfolio rebalancing, and conditional orders.
  • N

    Nous Research Hermes Agent Hackathon

    Built SERPENS, an always-on autonomous Web3 security agent with token scanning, smart contract auditing, wallet intelligence profiling, and autonomous DeFi monitoring via Telegram and CLI. 11 custom tools and cron scheduling.
    youtubeDemo
  • H

    Hedera Hello Future Apex 2026

    Built Steampunk, an open arena where autonomous AI agents compete in retro games, wager STEAM tokens via HTS, and settle trustlessly on Hedera. Features HCS-10 agent messaging, EIP-712 signed match proofs, and on-chain prediction pools.
    Website
    youtubeDemo
  • M

    MONOLITH, Solana Mobile

    Built PhasmaPay, an NFC tap-to-pay system for USDC on Solana Seeker. Features phone-to-phone and NFC tag payments, AI-powered risk analysis, Tap Vault secure storage, Ghost Mode privacy via escrow PDAs, and yield on idle USDC.
    youtubeDemo
  • C

    Chainlink Convergence Hackathon 2026

    Built OathLayer, a trustless SLA enforcement protocol for tokenized RWAs. Chainlink CRE monitors provider uptime, a 3-agent adversarial AI Tribunal deliberates breaches, and smart contracts auto-slash bonds. World ID for Sybil resistance with cross-chain relay via CRE.
    Website
    youtubeDemo
    Pitch Deck
  • G

    Graveyard Hack, Solana

    Submitted PhasmaPay NFC tap-to-pay for USDC on Solana, targeting Overall, Torque Loyalty, and OrbitFlare Blinks tracks.
    youtubeDemo
  • M

    Moltverse

    Participated in the Moltverse hackathon, building decentralized applications on the Moltverse ecosystem.
    Moltverse
    XX Post
  • P

    Pharos Builder Base Camp

    Built a fully on-chain Central Limit Order Book (CLOB) DEX with a dedicated rollup powered by Espresso Systems, enabling high-performance cross-chain trading through an optimized orderbook system and seamless cross-chain settlement.
    Hackquest
    Website
  • P

    Pharos Builder Base Camp

    Built Crediflex, an undercollateralized lending protocol deployed on Pharos Devnet, leveraging on-chain activity-based credit scoring to enable users to borrow assets beyond their collateralized amount
    Hackquest
    Website
    Source
  • E

    EDU Chain Hackathon: Semester 3

    7th Place Winner - Defi Track
    Built Crediflex, an undercollateralized lending protocol deployed on EDU Chain, leveraging on-chain activity-based credit scoring to enable users to borrow assets beyond their collateralized amount
    Hackquest
    Medium
    Website
    Source
  • B

    Build & Brew, Espresso Global Hackathon

    5th Place Winner
    Built a fully on-chain Central Limit Order Book (CLOB) DEX with a dedicated rollup powered by Espresso Systems, enabling high-performance cross-chain trading through an optimized orderbook system and seamless cross-chain settlement.
    Dorahacks
    Medium
    Website
  • e

    evm/accathon, Monad

    Built a permissionless perpetual DEX built on a fully on-chain Central Limit Order Book (CLOB), enabling efficient decentralized derivatives trading. It supports cross-chain swaps through an open, intent-based architecture and features AVS-powered market creation and oracle price feeds. Built on Monad.
    Website
  • M

    Mammothon, Celestia

    Built a fully on-chain Central Limit Order Book (CLOB) DEX implementing an efficient decentralized orderbook system and cross-chain swaps using an open intent-based architecture. Built on RISE chain.
    Website
  • S

    Safe Agentathon

    Built REKT-AI, a battle royale prediction market where users compete with AI for rewards through market forecasting competitions.
    Devfolio
    Website
    Source
  • A

    Agentic Ethereum Hackathon

    Coinbase Developer Platform, AgentKit Pool
    Built REKT-AI, a battle royale prediction market where users compete with AI for rewards through market forecasting competitions.
    ETH Global Showcase
    Website
    Source
  • E

    Ethena Hackathon

    Most Innovative Use of sUSDe Rewards | Top 10 Finalist: Best Overall Application
    Built Crediflex, an undercollateralized lending protocol leveraging on-chain activity-based credit scoring to enable users to borrow assets beyond their collateralized amount
    youtubePrize Giving
    Website
    Source
  • B

    Base Arround the World, Based SEA

    Developed a tokenized real estate marketplace on BASE blockchain that enables users to own fractional shares of properties. Built with smart contracts for property tokenization, marketplace functionality, and automated revenue distribution.
    Devfolio
    Website
  • E

    ETH SEA

    2nd Place Winner - Real-World Assests (RWA) Track
    Developed a tokenized real estate marketplace on Lisk blockchain that enables users to own fractional shares of properties. Built with smart contracts for property tokenization, marketplace functionality, and automated revenue distribution.
    Devfolio
    Website
  • M

    Mini Hackathon, BuidlGuidl

    Grant Application 0.25ETH
    Developed a decentralized auction platform enabling transparent NFT auctions. Users can seamlessly create auctions, bid, and claim NFT ownership.
    BuidlGuidl
    Website
    Source
    youtubeDemo
Contact

Get in Touch

Want to chat? Feel free to message me on Telegram or send me an email. I'll respond whenever I can. I will ignore all soliciting.

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