# Emre Keskin

**Senior Full-Stack Engineer** | Ankara, Turkey

6+ years building production systems in TypeScript, Node.js and Next.js — from smart contracts handling user funds to infrastructure serving 20B+ requests/month.

- Website: https://www.emrekeskin47.com
- Email: emrekeskin47@outlook.com
- Telegram: @emrekeskin47
- LinkedIn: https://www.linkedin.com/in/emrekeskin47
- GitHub: https://github.com/EmreKeskin47
- X: https://x.com/emrekeskin047
- Resume (PDF): https://www.emrekeskin47.com/assets/resume.pdf

## Skills

TypeScript, Node.js, Next.js, React, React Native, Redis, MongoDB, WebSockets, Docker, AWS, Solidity, Rust

## Experience

### KoinArcade

Founder & Full-Stack Developer | Remote | January 2026 - Present

- Built the full-stack platform (Next.js, Node/Fastify, MongoDB, Redis, WebSockets) supporting real-time matchmaking, spectating live matches, leaderboards, and automated tournament flows.
- Founded a web-based Web3 skill-gaming platform with free practice, PvP matches, and tournaments, reaching ~3,000 users and ~32,000 games played in its first 6 months on mainnet.
- Designed and deployed upgradeable Solidity smart contracts (OpenZeppelin) for the platform vault handling token deposits and withdrawals.

Technologies: TypeScript, Next.js, Node.js, MongoDB, Redis, WebSockets, Solidity

### Simply Staking

Full Stack Blockchain Developer | Malta (Remote Contractor) | January 2024 - July 2025

- Developed Spectrum Nodes, a Node-as-a-Service platform now processing 20B+ API requests monthly across 150+ networks, with automated deployment, monitoring, and lifecycle management.
- Integrated the Fuel Network into Hyperlane's interoperability bridge protocol (including UI and CLI tooling), enabling secure cross-chain messaging and asset transfers across 100+ blockchain networks.

Technologies: Rust, Sway (FuelVM), TypeScript, DeFi, AWS, Docker

### Rise In

Web3 Content Developer | USA (Remote Contractor) | June 2023 - March 2024

- Developed a 6-hour, 22-lesson Solana development bootcamp officially endorsed by the Solana Foundation, hosted on solana.com/developers and joined by ~16,500 builders.
- Developed a 10-hour, 22-lesson Chiliz development bootcamp with the Chiliz team, hosted on their official docs.
- Delivered developer tutorials and live coding sessions across Polkadot, ICP, and BNB.

Technologies: Rust, Solana, TypeScript

### Nova Ratio

Full Stack Blockchain Developer | Turkey (Remote Contractor) | February 2022 - February 2023

- Implemented custom CW721 NFT contracts (random-metadata minting, airdrop, staking, marketplace, upgrades) and CW20 token contracts for experimental DeFi products.
- Products shipped (Stake Dragons, Fortis Oeconomia, Inspirest) together reached ~5,000 users and ~15,000 on-chain transactions.

Technologies: Rust, CosmWasm, CosmJS, React, Node.js, DeFi

### Laundrative

Full Stack Developer | Ankara, Turkey | February 2021 - December 2021

- Development of two mobile applications and a website which deliver online ordering and POS software for laundry and dry cleaning service providers.
- Client-side of all applications (including cross-platform mobile applications) are built with React and React Native.

Technologies: React, React Native, Java, MySQL, AWS

## Education

- EU Business School (Barcelona, Spain), 2022-2023: Master's degree, Finance (3.4 GPA - Cum Laude)
- Bilkent University (Ankara, Turkey), 2015-2020: Bachelor's Degree, Computer Science

## Certifications

- Complete NFT Web Development (2021): Solidity - Web3js
- Build a Blockchain & Cryptocurrency Edition (2020): Blockchain development fundamentals
- React Native – The Practical Guide (2020): Mobile application development
- IELTS (2020): Score 8.0

## Languages

English, Turkish

## Projects

### KoinArcade

Skill-Based Web3 Gaming Platform | 2026-01 | Redis, Solidity, TypeScript, Next.js, MongoDB, Docker
Live: https://koinarcade.com/

KoinArcade is a browser-based competitive gaming platform where players can practice free games, compete in PvP matches and tournaments, and withdraw eligible winnings through supported stablecoins. The platform uses KOIN as an internal accounting unit rather than a tradable token, with prize pools funded by player entries and outcomes determined entirely by skill-based gameplay.

- Built a full-stack Web3 gaming app with free practice, PvP matches, tournaments, quests, referrals, and leaderboards
- ~3,000 users and ~32,000 games played in the first 6 months on mainnet
- Created Solidity smart contracts for an upgradeable arcade vault supporting token deposits, withdrawals, and platform custody flows
- Implemented real-time multiplayer gameplay and matchmaking for Chess, Reversi, NeonBlocks, HigherLower, and Trivia

### Fuel-Hyperlane Integration

Cross-chain Interoperability for Fuel Network | 2025-01 | Rust, Sway, TypeScript
Live: https://www.usenexus.org/

Hyperlane is an interoperability protocol enabling cross-chain messaging and asset transfers. Fuel is an Ethereum Layer-2 powered by the FuelVM. This integration allows Fuel to communicate with any blockchain in the Hyperlane network.

- Enabled cross-chain messaging between Fuel and 100+ blockchain networks
- Implemented custom Interchain Security Modules (ISMs) for secure message verification
- Developed Warp Route contracts and hooks, so that asset transfer can also include custom logic
- Created UI for users to interact with Fuel-Hyperlane bridge
- Developed CLI tooling for developers to be able to create token route configs, deploy them and connect them to already existing routes from CLI

### Spectrum Nodes

Enterprise RPC Infrastructure | 2024-01 | TypeScript, Next.js, Golang, Docker
Live: https://spectrumnodes.com/

High-performance blockchain RPC node management platform, initially intended for Chainlink usage. Now serving 20+ billion monthly API requests across 150+ networks.

- Built real-time monitoring dashboard with custom metrics aggregation and alerting
- Developed rate limiting and authentication middleware with API key management

### ICP Hub Turkey Bootcamp

Official DFINITY program | 2023-10 | Rust, NFT, DAO
Live: https://www.linkedin.com/company/icphubturkey/posts/?feedView=all

Comprehensive blockchain development bootcamp followed by a hackathon, officially endorsed by the DFINITY Foundation. Featured direct participation from the Founder & Chief Scientist, Global Adoption Lead, and Community Programs Lead — delivered in person to approximately 200 developers.

- Taught in-person to ~200 developers, with direct participation from DFINITY leadership
- Developed advanced canister architecture using Motoko and Rust for decentralized applications
- Implemented Internet Computer consensus algorithms and subnet management protocols
- Built end-to-end DApps with actor-based programming model and orthogonal persistence
- Created comprehensive assessment framework with hands-on project evaluations
- Designed curriculum covering query/update calls, inter-canister communication, and cycles management

### Solana Bootcamp

Endorsed by Solana Foundation | 2023-09 | Rust, Anchor, TypeScript
Live: https://solana.com/developers

Development and delivery of a comprehensive Solana development bootcamp, officially recognized and endorsed by the Solana Foundation. The course equips developers with the skills needed to build on the Solana blockchain. Authored and filmed 6 hours of on-demand video across 22 lessons, hosted on solana.com/developers with a verified on-chain certificate.

- Joined by 16,292 builders with a 4.9★ average rating
- 6 hours of on-demand video across 22 lessons in 5 sections, with a verified on-chain certificate
- Official Solana Foundation endorsement
- Comprehensive curriculum covering Solana development
- Hands-on projects and real-world applications

### Chiliz Bootcamp

Built with Chiliz Team | 2023-07 | Solidity, Moralis, Thirdweb, TypeScript
Live: https://docs.chiliz.com/quick-start/free-online-course

Development and delivery of a comprehensive Chiliz development bootcamp. The course combines hands-on development with theoretical understanding, focusing on modern tools such as Moralis and Thirdweb. Authored and filmed 10 hours of on-demand video across 22 lessons, hosted on Chiliz's official documentation site with a verified on-chain certificate.

- Joined by 1,514 builders with a 4.8★ average rating
- 10 hours of on-demand video across 22 lessons in 4 sections, with a verified on-chain certificate
- Official collaboration with Chiliz team
- Featured in official Chiliz documentation
- Integration with Moralis and Thirdweb platforms

### Finceptor

DeFi liquidity protocol with a launchpad plugin | 2023-02 | Solidity, Next.js, Ethers.js
Live: https://www.finceptor.app/

Finceptor is a DeFi capital and liquidity financing platform natively built for Web3 protocols to access token financing at pre-token, token launch, and post-token stages. It offers token launch and Liquidity-as-a-Service (LaaS) products, enabling crypto projects to issue liquidity vaults, tokens, and bonds to access liquid markets and communities of real backers. Co-developed the smart contract layer as part of the founding engineering team; the platform has since grown to serve ~20,000 users.

- Co-developed contracts for a platform now serving ~20,000 users
- Token launch platform
- Liquidity-as-a-Service (LaaS) products
- Liquidity vaults and bonds system
- Pre-token and post-token financing

### Fortis Oeconomia

Experimental Financial Toolkit | 2022-11 | CosmWasm, CosmJS, Rust, Cosmos SDK
Live: https://www.fortisoeconomia.space/

Fortis Oeconomia is an experimental decentralized financial instrument protocol that allows people to use Cosmos-SDK-based tokens and coins in unprecedented ways. Available on both the Juno and Chihuahua networks.

- Multi-network deployment (Juno and Chihuahua)
- Experimental DeFi protocols
- Cosmos SDK integration
- Novel financial instruments

### Stake Dragons

NFT based Play-to-Earn Game | 2022-06 | Rust, CosmWasm, Next.js, Node.js
Live: https://stakedragons.net

Stake Dragons features a dashboard for an NFT-based game, offering a comprehensive suite of blockchain functionalities. The platform includes random NFT minting, NFT airdrops, secure NFT staking, a dynamic NFT marketplace for trading, and an NFT upgrade system.

- Part of a suite of Nova Ratio products reaching ~5,000 users and ~15,000 on-chain transactions combined
- Random NFT minting system
- NFT airdrops functionality
- Secure NFT staking mechanisms
- Dynamic NFT marketplace
- NFT upgrade system

### Inspirest

Custom NFT Marketplace | 2022-01 | Rust, CosmWasm, CosmJS, CW721
Live: https://inspirest.io/

Custom NFT contracts using CW721 and frontend integration using CosmJS, integrated into an already existing website to provide NFT marketplace functionality.

- Custom CW721 NFT contracts
- CosmJS frontend integration
- Marketplace functionality
- Existing website integration

### Zomia Center

Aid & Advocacy in Ungoverned Areas | 2021-08 | React, Node.js, Firebase
Live: https://www.zomiacenter.org

The Zomia Center encourages the free exchange of information among scholarly and humanitarian communities. Named for the historically contested uplands of Southeast Asia, the Center builds on a rich tradition of non-state scholarship and activism.

- Scholarly and humanitarian focus
- Information exchange platform
- Non-state scholarship support
- Southeast Asian regional focus

### Cryptogram

Cryptocurrency News/Price Tracking | 2021-05 | Next.js, Node.js
Live: https://cryptogram-client.vercel.app/

Cryptogram is a platform designed to provide data-driven insights to crypto traders. It aggregates reliable cryptocurrency events, market overviews, and whale transactions from multiple authoritative sources including Binance, CoinMarketCap, Coindar, Coinmarketcal, Finnhub, TradingView, and WhaleAlert.

- Multi-source data aggregation
- Binance, CoinMarketCap, Coindar integration
- Whale transaction tracking
- Real-time market insights

### Laundrative

Online Ordering and POS | 2021-02 | React, React Native, Java, MySQL, AWS

Developed an online ordering and POS system tailored for laundry and dry cleaning businesses. The solution includes a customizable website for service providers, a mobile app for couriers to manage deliveries, and a customer app to place orders and track their services.

- Multi-platform solution (Web + Mobile)
- Courier management system
- Customer order tracking
- POS system integration

### TamariX

Mobile Messaging App | 2020-06 | React Native, Firebase
Live: https://apps.apple.com/gb/app/tamarix/id1600961398

It is hard to stay away from your loved one. Sometimes we just want to let them know we are thinking about them or we miss them. With TamariX, you can send a custom notification to your loved one — and you and your partner will feel special getting a notification just for you.

- Custom notification system
- Couple-focused messaging
- Cross-platform mobile app
- Firebase backend integration

### WoW Freelance

Freelance Software Development | 2019-02 | React, Material UI
Live: https://wowfreelance.com

Website for introducing a freelance software developer team. Covers the services and technologies offered, previous works of the group members, and the roadmap planned for developers.

- End-to-end software solutions
- Mobile and web development
- Client connection platform
- React and Material UI focus