Daniel Ángel Barreto Email & Phone Number

Zulia State, Venezuela

As the CEO of Angels S.A., I lead a specialized team dedicated to delivering SaaS solutions and outsourcing services across advanced technology fields such as Blockchain and AI. Our expertise also extends to essential Web2 projects, including scraping, APIs, CRMs, ERPs, and other high-demand technologies that drive today’s digital economy. In addition, we’re exploring future diversification into biotechnology.With over 12 years of experience in software development and 3+ years in project management and leadership, I’ve honed both technical and managerial skills, alongside a deep understanding of client needs and international teamwork. This background enables me to build strong, reliable teams and foster collaborations with clients from around the globe.At Angels S.A., our approach is tailored to each client’s unique needs. We offer comprehensive platform management, allowing our clients to focus on their core business while we handle the technical and administrative complexities. Our outsourcing solutions provide access to top-tier talent from Venezuela, ensuring competitive pricing without compromising quality, and we seamlessly integrate with existing systems to develop or enhance them based on specific requirements.Our vision is global, without boundaries. Whether building new solutions from scratch or optimizing existing ones, Angels S.A. is committed to driving innovation and delivering top-quality results with every project.

Chile

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

Saint John’S, Terranova Y Labrador, Canadá

I created 3 new smart contracts for our smart wallets products with account abstraction ERC-4337 features for beneficiaries of Masma users by developing and advising a team of 2 blockchain developers, 1 CEO, 1 CTO, 1 CMO, and 2 Blockchain developers in 4 months.I developed front-end features with Next/React.I conducted and participated in high-level meetings, including strategic discussions with Naga R Samineni, CEO of Metakeep, Julian, CEO of Masma, and Mitry, CTO of Masma, focusing on key project directives, innovation strategies, and business development plans.I developed key components of Masma.io's Web3 platform, focusing on user-friendly blockchain integration and cryptocurrency services. Utilized Go (Golang) and Solidity for backend development and smart contract creation.I also work with:• Leadership• Solidity• Slither• Foundry• Python• Account Abstraction ERC-4337• Rust• Go (Golang)• Docker• Kubernetes• Github Actions• Ethereum• JavaScript• TypeScript• ReactJS• NodeJS• PostgreSQL• AWS• Serverless• GitLab• HTML• SASS• Jira• Slack• Metakeep API

Suiza

As Lead Blockchain Developer at Spozz Marketplace https://spozz.club/, my journey has been marked by diverse and impactful achievements in the blockchain domainHere my rol was as a blockchain leadership in the development and deployment of ERC-721 and ERC-1155 smart contracts, primarily utilizing Solidity, spanned across various networks, including Ethereum, Polygon Matic, BNB and multiple testnets.I developed front-end features with Next/React and Sveltekit.I developed Rest Full APIs using Node and Express.jsI mentored a team of 5 semi-senior and senior developers and have scrum daylis with them and the CEO of Spozz Christian Müller, guiding them through the intricacies of front-end and blockchain integrations, with my guidance, the team created cutting-edge front-end modules using Svelte, SvelteKit, and React. These technologies were pivotal in delivering our platform's modern, responsive, and user-friendly interface.I played a key role in revitalizing a dormant project, bringing my deep understanding of blockchain technology to integrate smart contracts effectively, transforming Spozz into a vibrant NFT marketplace where you can sell, transfer, burn, make a bid and much more like a real and standard NFT marketplace, also I use standard metadata integration so you can see it in famous NFT marketplaces like Opensea and so on, I also helped in the creation of the Spozz tokenI also work with:• Leadership• Solidity• Slither• Foundry• Python• Rust• Ethereum• JavaScript• TypeScript• ReactJS• NodeJS• MongoDB• AWS• Serverless• GitHub• HTML• SASS• Slack• Trello

Chile

These months were to rest and improve my skills as a developer with React, Next, Solidity, etc.

Puerto Varas, Los Lagos, Chile

I created 20 new product features on a SaaS tool for beneficiaries of private finances App by developing and advising a team of 7 JavaScript developers, 1 Product Lead, 1 Product Owner, and 2 UX Designers in 1 year.I reduced redundant code by 50% by developing new features in the front end using react and redux.I reduced the feedback cycle and improved the agility in the development process by applying testing every week for new features with the testing library and jest. In addition, it improved the communication and integration between the developer and Quality Analyst.I helped the Globant company by teaching over 100 Argentine students about software and technologies for their profession.I also work with:• Leadership• ReactJS• PostgreSQL• Solidity• Rust• Go (Golang)• Ethereum• JavaScript• TypeScript• NodeJS• AWS• Serverless• GitLab• HTML• SASS• Jira• Slack• Scrum• Jenkins

Santiago, Región Metropolitana De Santiago, 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

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

Puerto Varas, Los Lagos, Chile

These months were to rest and improve my skills as a developer with React, Node, Next, etc.

Puerto Montt

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

Provincia De Llanquihue, Chile

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 customersDevelopment 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

Zulia State, 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

Venezuela

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.

Bachelor'S Degree, Biology/Biological Sciences, General

Activities and Societies: Active participant in fieldwork projects, laboratory research, and biodiversity conservation initiatives. Member.

Webmaster, Web App Development, And Computer Resources In Current Programming Languages

Activities and Societies: Development using Html5, css3, javascript, jquery, php, mysql, laravelDiploma: Web Master

Higher University Technician In Computer Science

Adults English Program, Teaching English As A Second Or Foreign Language/Esl Language Instructor

This program aims to prepare the participant with the necessary skills to communicate effectively in English, in various real situations.

Bachelor Of Computer Science, Computer Programming, Specific Applications, Not Finishing The Degree, Reaching The Eighth Semester

Ccna Security

Ccnp R&S Switch: Implementing Ip Switching, Administration / Administrator Of Systems, Networks And Lan / Wan Communications

It Essentials, Management Of Networked Computer Systems

Ccna Routing And Switching: Network Connection, Administration / Administrator Of Systems, Networks And Lan / Wan Communications

Ndg Linux Essentials Course, Management Of Networked Computer Systems

Ccna Routing And Switching: Network Scaling, Administration / Administrator Of Systems, Networks And Lan / Wan Communications

Ccna Routing & Switching: Basic Principles Of Routing And Switching, Administration / Administrator Of Systems, Networks And Lan / Wan Communications

Ccna (Cisco Certified Network Associate), Introduction To Networks