Blockchain Developer Liquidity Management

Rolando Araya

Brady - page *

Rolando Araya

Block G, House 4, Proceso Sarmiento

Neighborhood, Rawson, San Juan Agentina

*****.*******.****@*****.***

+1-631-***-****

Summary

As a Blockchain Developer, I am leveraging extensive experience in developing high-performance applications on the Solana blockchain, specializing in decentralized finance and NFT marketplaces. Possess a deep understanding of Solana's proof-of-history protocol and its application in creating scalable, efficient blockchain solutions.

Successfully implemented innovative solutions using Solana's parallel processing capabilities to enhance transaction throughput and network efficiency. Experience

Blockchain Engineer

QuanMedAI ( United Kindom Remote)

(Jul 2022 ~ Aug 2024)

- Serum

Leveraged extensive experience with Serum's decentralized exchange protocol on Solana, I have successfully designed and implemented high-performance DeFi solutions utilizing its on-chain order book architecture, ensuring seamless and efficient trading experiences for users while optimizing liquidity management and cross-chain interoperability.

- Raydium

Developed and integrated advanced AMM functionalities and yield farming strategies, delivering enhanced liquidity solutions and optimizing user engagement through seamless interactions with Serum’s decentralized order book.

- Three Protocol

With substantial experience in the Three Protocol, I have played a pivotal role as a Contract Developer, spearheading the development of Rust-based Tri-Proof smart contracts(using Anchor Protocol) on the Solana blockchain to revolutionize online marketplaces through innovative, decentralized transaction solutions.

- Jobs3 platform

The first platform, Jobs3, is set to emerge as a decentralized contender to existing employment marketplaces such as Upwork and Fiverr. Developed the backend of a smart contract based on the Tri-Sig Smart Contract Structure for the Jobs3 platform.

- Developed a decentralized video-sharing dApp on ZKsync, leveraging paymaster for account abstraction capabilities.

- Designed powerful abstractions over the EVM such that its core components can be independently deployed, optimized, and better adapted to Avalanche.

- Created a decentralized finance (DeFi) application using the Cosmos SDK, Rolando Araya

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focusing on enhancing interoperability and security within the blockchain ecosystem

Blockchain and Backend Developer

BITPATAGONIA (Argentina Onsite)

(Jan 2019 ~ Mar 2022)

- Scaled and operated robust, production-grade services to index and broadcast data within the various Blockchains including Bitcoin, Ethereum, and Solana.

- Integrated a variety of new blockchains into their stack, based on customer demand, including end-to-end support for wallet creation, address generation, send/receive functionality, and other features.

- Developed necessary modules, applications, and infrastructures for Dora Vota and Maintained Dora Vota appchain and make sure it’s stable, reliable, and secure.

- Developed and implemented security solutions for blockchain components, focusing on Layer 1 and Layer 2 blockchain projects.

- Implemented and optimize Byzantine Fault Tolerance (BFT) consensus mechanisms.

FullStack Engineer

Dystinto (Argentina Onsite)

(Feb 2015 ~ Oct 2018)

- Developed a large-scale spring boot framework-based clinical data analytic system integrating with healthcare service.

- Developed several Angular SPAs for diverse industries, including e-commerce, healthcare, and finance, consistently delivering high-quality applications that meet client satisfaction.

- Build back end using Nest.js to implement easy integration with cloud platforms.

- Involved in integrating UI with API and loading data using Graph-QL.

- Developed and implemented a new front-end interface using React.js, resulting in a 25% increase in page load speed and 17% increase in user engagement.

- Optimized a large-scale web project’s CSS by implementing both LESS and SASS preprocessor stylesheet.

- Led the setup and configuration of Webpack for bundling and optimizing JavaScript, CSS, and other assets

Skills

- Network : Ethereum, Solana, Cosmos SDK, Avalanche, Cardano, Polkadot

- Protocols : Liquity, Midas Capital, Polkadot, Uniswp, IBC

- Knowledge : EVM, Defi, NFTs, Consensus(POW, POS, CometBFT), Rollups, Bridges, Zero- knowledge proofs(zk-SNARK), Data Indexing, Oracle, L1/L2 chains, UTXO

- Language : Solidity, Rust, Golang, Zig, Python, TypeScript, NodeJS

- Database : SQL(Postgre, Oracle, SQLite), NoSQL(MongoDB)

- Cryptography : Asymmetric cryptography(RSA,ECC…), Symmetric cryptography(AES,DES,RC4/5,IDEA…), Hashing.

- Security : Auditing, Bug Bounties.

- Frameworks and Tools : Hardhat, Geth, Foundry, Firedancer, Data Engineering(Dataiku, Pentaho, PowerBI).

Rolando Araya

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Education

National University of San Juan

Master's degree, Computer Science

Mar 2011 - May 2014

PERSONAL DETAILS

Nationality : AGENTINA

Gender : Male

Marital Status : Married

Language Known : English, Spanish

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