
Daniel Ángel
Senior Blockchain Software Engineer | Rust & AI
Salary / Daily rate
Venezuela, Cuba
Freelance, open to permanent contract
Skills
Languages
About me
Intro
Blockchain & AI specialist with 12+ years building scalable Web3 applications and Rust-powered AI systems. Led cross-functional teams developing DeFi staking dApps, optimized Bittensor subnets by 30%, and automated healthcare processes for 120k+ users. Expert in Solidity, Rust, React delivering high-performance blockchain solutions.
Work experience
Backend Rust AI Developer
Angels
Jul 2024 - Present
2 years 4 months
Zulia 3050, Lara, Venezuela
I’ve been a Rust backend consultant, building scalable APIs using Actix, Axum, and Rocket, all of them with async programming powered by Tokio. I’ve built resilient data layers with SQLx, Diesel, and SeaORM. I’ve created AI-based functionality leveraging Rust-native LLM libraries like rust-bert, candle, and llm. My work has high performance and energy efficiency, following AWS’s sustainability vision. I aspire to be a recognized authority for Rust in backend and AI systems. Web3 Engineer at Angels (Soluciones Root, Venezuela-El Salvador | Remote | Jan 8 2025 - March 2025 ) Leading the development of a Staking dApp, designing backend APIs, and overseeing Web3 integrations. Managing a cross-functional team to deliver secure blockchain solutions. Implementing proxy-based upgradable staking and DeFi mechanisms. Utilizing Rust, Solidity, Hardhat, Foundry, OpenZeppelin, Uniswap & Slither. Developing a Next.js + Wagmi frontend, integrating viem, and smart contract event listeners for a seamless UX. Full Stack AI Rust Engineer at Angel (Chiral | Venezuela-US Remote)| Sep 2024 - Oct 2024 As a fullstack consultant at Chiral, I collaborated with Google Director and CEO Danu Romuald for nearly a month to develop both the backend and frontend of an AI LLM product using Rust and React with Next.js. I played a crucial role in building the product's core features, ensuring smooth integration between the frontend and backend, while delivering a high-performance solution in a short timeframe. Lead Fullstack Blockchain Software Engineer at Immersion | Aug 2024 - Sep 2024 | Venezuela-Canada Remote Spearheaded the development of scalable Bittensor subnets on localhost and Devnet, optimizing validator interaction and communication efficiency, resulting in a 30% improvement in network reliability.
Software Engineer teacher
SuperprofFreelance
Aug 2021 - Jan 2025
3 years 6 months
Chile · Remote
I helped more than 10 students learn about different languages such as Solidity, Javascript, React/Next, Node/Express, Rust and Databases such MySQL and MongoDB. I created 10 new product features on a SaaS tool for beneficiaries of private students by developing and advising a team of JavaScript developers students in 3 months. I increased ERP web application speed for over 100 customers by reorganizing the old JavaScript backend code repository over 1 month to make it more efficient and scalable. I also work with: • Solidity • Rust • Blockchain • C • C++ • Go • Tokenomics • JavaScript • TypeScript • ReactJS • NodeJS • GraphQL • PostgreSQL • AWS • Serverless • Next • Python • PHP • GitLab • HTML • SASS • Jira • Slack • Notion
Full Stack Blockchain Engineer
Masma
Oct 2023 - Mar 2024
6 months
St. John's, NL, Canada
Lead Fullstack Blockchain Engineer
SPOZZ.Club
Feb 2023 - Dec 2023
11 months
Switzerland · Remote
Break time
Self-employedFreelance
Dec 2022 - Mar 2023
4 months
Chile · Remote
These months were to rest and improve my skills as a developer with React, Next, Solidity, etc.
FrontEnd Software Engineer
Globant
Oct 2021 - Dec 2022
1 year 3 months
Puerto Varas, Los Lagos, Chile
FullStack Software Engineer
ZerviZ
Dec 2020 - Oct 2021
11 months
Santiago, Santiago Metropolitan Region, Chile
I created 20 new product features on a SaaS tool and Zendesk CRM for beneficiaries of private healthcare by developing and advising a team of 20 JavaScript developers, 2 Product Leads, 2 Product Owners, and 4 UX Designers in 8 months. I collaborated in the development of 5 Zendesk apps with React and helped over 120,000 clients automate their insurance process in Chile. For an Ecuadorian company, I collaborated in the development of 3 apps using React in Zendesk CRM and helped more than 30,000 clients with hospital service automation. I drive development behind innovative projects leveraging the power of the MERN stack and take on the role of mentoring a junior developer in 3 months. I also work with: • Leadership • JavaScript • TypeScript • ReactJS • NodeJS • PostgreSQL • AWS • Serverless • Git • HTML • SASS • Jira • Slack
FullStack Software Engineer
Smart Eyes
Jun 2020 - Dec 2020
7 months
Puerto Varas, Los Lagos, Chile
I completed development of an ERP system for managing the internal resources of 20 companies and 20 employees and helping more than 50000 clients in Chile. I collaborated in the development of industrial automation applications for the salmon industry using C # and MySQL. I helped the company migrate the MySQL database to the SQL server. I gave technical advice for growing up the company, increasing sales by 55%. I also work with: • WAMP Stack • React • Node • Express • MySql • SQL server
Break time
Self-employedFreelance
Apr 2020 - May 2020
2 months
Puerto Varas, Los Lagos, Chile
These months were to rest and improve my skills as a developer with React, Node, Next, etc.
FullStack Software Engineer
Sistemas Expertos e Ingeniería de Software Ltda.
Dec 2019 - Mar 2020
4 months
Puerto Montt, Los Lagos, Chile
I created 3 new product features on a SaaS tool for beneficiaries of public healthcare by developing and advising a team of 5 JavaScript developers, 1 Product Lead, 1 Product Owner, and 2 UX Designers in 4 months. I implemented Amazon Comprehend AI to analyze medical diagnoses and automate the process to save time by 100%. I also work with: • JavaScript • PHP • Angular • NodeJS • GraphQL • PostgreSQL • AWS • Serverless • GitHub • HTML • CSS • Jira • Slack • Trello
FullStack Software Engineer
TELEDATA CHILE
Sep 2018 - Dec 2019
1 year 4 months
Provincia de Llanquihue, Los Lagos Region, Chile · On-site
Development and maintenance of Developed ERP for electronic invoicing through the Bsale API, among other new functionalities using stack LAMP for sending invoices to the clients and other features of 1000 company customers Development and maintenance of teledata.cl website. Migrated and maintained Teledata ERP to AWS EC2 instance and used MySQL RDS Aurora and SES to send more than 10.000 emails per day, increasing productivity by 99% and Increasing ERP web application speed by 99% for over 1000 customers by reorganizing the old PHP backend code repository over 6 months to make it more efficient and scalable. I also work with: • JavaScript • PHP • Laravel • MySQL • jQuery • AWS • Serverless • Git • HTML • CSS • Slack • Leadership • AWS SES • AWS Lightsail • MySQL RDS Aurora
FullStack Software Engineer (LAMP stack)
awaking.cl
Sep 2017 - Oct 2018
1 year 2 months
Zulia 3050, Lara, Venezuela
Development and maintenance of 20 websites and 2 ERPs for a client in Chile with an administrative panel improving and reducing work time for information management. I accomplished the development and maintenance of the website located at www.myabakus.com for a client based in New Zealand. I have also designed over 100 features for the myabakus App. My team, consisting of 1 Senior PHP developer, 1 CEO, and 2 Product Sales personnel, is committed to excellence and strives for greatness in all our endeavors. I also work with: • PHP • C • C++ • Go • JavaScript • MySQL • GitHub • Linux • HTML • CSS • Trello • jQuery • Bootstrap • scrum • canvas • Slack
FrontEnd Software Engineer
Myabakus.com
Jan 2016 - Jan 2017
1 year 1 month
Venezuela · Remote
I developed front-end features using CSS, JavaScript, jQuery and GitHub for a New Zealand company named Myabakus. I disigned mock for implemente it in the front-end web site of myabakus.com. Technology stack: MySQL, Git, jQuery, Javascript, LAMP Stack, Vanilla JS.
Education
CEI
Adults English Program
2017 - 2018
1 year 1 month
Universidad del Zulia
Bachelor of Computer Science
2013 - 2017
4 years 10 months
Universidad Rafael Belloso Chacín
Webmaster
2016 - 2016
1 year
Universidad Rafael Belloso Chacín
CCNA Security
2016 - 2016
3 months
Universidad Rafael Belloso Chacín
CCNP R&S SWITCH: Implementing IP Switching
2016 - 2016
3 months
Universidad Rafael Belloso Chacín
IT Essentials
2016 - 2016
4 months
Universidad Rafael Belloso Chacín
CCNA Routing and Switching: Network connection
2015 - 2016
3 months
Universidad Rafael Belloso Chacín
NDG Linux Essentials course
2015 - 2015
3 months
Universidad Rafael Belloso Chacín
CCNA Routing and Switching: Network scaling
2015 - 2015
3 months
Universidad Rafael Belloso Chacín
CCNA Routing & Switching: Basic principles of routing and switching
2015 - 2015
4 months
Instituto Universitario de Tecnología Readic UNIR.
Higher University Technician in Computer Science
2012 - 2015
3 years 3 months
Universidad Rafael Belloso Chacín
CCNA (Cisco Certified Network Associate)
2014 - 2014
3 months