Software Engineer
2022 - PRESENTSpotify - Main- Implemented a throttling ad delivery mechanism, bringing close to $250,000 in revenue for Q2/2022.
- Helped migrate multiple microservices to a Kubernetes cluster, saving developers close to 100 hours on ops-related tasks.
- Designed and implemented a feature that allowed customers to include multiple ads in a podcast, bringing close to $100,000 in revenue for Q2/2022.
Technologies: Go, Docker, Kubernetes, Test-driven Development (TDD)Lead Full-stack Developer
2021 - 2022Unidex- Worked closely with a designer on a complete refactoring of the UI, which increased conversion rates by 15% and made our platform more attractive to investors.
- Designed and developed a system to create, manage, and execute leveraged transactions, which brought close to $1 million in revenue in 2021.
- Collaborated with a team of three developers to maintain and improve various aspects of the trading platform, specifically limit and market orders, increasing our user base from 100x in 1 year.
Technologies: JavaScript, TypeScript, React, Node.js, Web3.js, Test-driven Development (TDD), CSS, HTMLSoftware Engineer
2021 - 2021Vercer- Developed an app that helps traders visualize order book offerings for future trading in the energy sector.
- Helped write automated tests to verify the application was successfully calculating different statistics.
- Collaborated with traders and clearing houses to make sure our application adhered to the best standards.
Technologies: Go, Test-driven Development (TDD)Machine Learning Engineer
2018 - 20193D Hubs- Developed the necessary infrastructure to move the machine learning pipeline to AWS.
- Contributed to the design and implementation of integrations with multiple external services for accounting (QuickBooks) and finance (Stripe).
- Designed and implemented automated refunds, which saved close to 10 hours a week for all our customer support representatives.
- Developed a 3D geometric search algorithm to find similar pairs of 3D models.
Technologies: JavaScript, PostgreSQL, Python, Amazon Web Services (AWS), Neural Networks, Python 3, Test-driven Development (TDD), QuickBooks API, CSS, HTMLSofware Engineer
2016 - 2018Amazon- Created and supported a platform to track and better understand the settings for buying inventory for Amazon Fresh.
- Developed an application to help allocate inventory to physical spaces in the most optimal way possible.
- Collaborated with an external team to design and implement tracking of inventory in a more granular fashion, which enabled the team to save close to 100 man/hours per month.
Technologies: Amazon Web Services (AWS), MySQL, Java, AngularJS, Test-driven Development (TDD), HTML
Andrés Ruiz
Software Developer in Amsterdam, Netherlands
Member since October 3, 2019
Andrés is a US-educated software engineer with ten years of experience tending to computers to solve human problems. He is proficient in Java, Python, Go, Elixir, JavaScript, Linux, and various databases. Andrés has been a part of large and small companies, which has helped him better understand the critical components necessary for software to be successful.
Andrés is now available for hire
Portfolio
- Spotify - MainGo, Docker, Kubernetes, Test-driven Development (TDD)
- UnidexJavaScript, TypeScript, React, Node.js, Web3.js...
- VercerGo, Test-driven Development (TDD)
Experience
- Python 6 years
- Go 4 years
- JavaScript 4 years
- Linux 3 years
- Test-driven Development (TDD) 3 years
- React 2 years
- Vue 2 years
- QuickBooks API 1 year
Availability
Full-time
Preferred Environment
Vim Text Editor, JetBrains, Linux
The most amazing...
...project I've created and supported is a platform to track and better understand settings for buying inventory for Amazon Fresh.
Employment
Experience
- Marketing Automation Softwarehttps://www.psmp2-0.com
I used Python and Vue.js to write automated systems that increase marketing volume and quality for clients.
- Ceramic Pro Accounting Integration
I integrated the accounting system for detailing shops with QuickBooks.
- SavingDepositshttps://gitlab.com/kazlu/savingdeposits
I developed a tool that helps users manage their savings accounts.
- Rentalshttps://gitlab.com/kazlu/rentals
I developed this app to manage rental properties.
- Trip Plannerhttps://gitlab.com/afruizc/trip-planner
I developed this product to manage upcoming trips.
- RelayServerhttps://gitlab.com/afruizc/relayServer
This server enables communication between computers A and B when they can't talk directly to each other. It does this by using a third computer, C, which both A and B can connect and talk to.
- Hangmanhttps://gitlab.com/afruizc/hangman
I developed this app to play hangman online.
Skills
Languages
Go, Python 3, JavaScript, Python, TypeScript, CSS, HTML, Java 9, Elixir, C++, Java, ECMAScript (ES6), ElmLibraries/APIs
QuickBooks API, Stripe, React, Stripe API, Vue, NumPy, Web3.js, Node.jsParadigms
Test-driven Development (TDD), Scrum, UX DesignTools
AWS SDK, JetBrains, Vim Text EditorPlatforms
Linux, Docker, MacOS, Google Cloud Platform (GCP), Amazon Web Services (AWS), AWS Kinesis, KubernetesStorage
PostgreSQL, MongoDB, MySQL, Amazon S3 (AWS S3), Amazon DynamoDBFrameworks
Django, Spring, AngularJSOther
Intuit QuickBooks, Machine Learning, Software Development, Algorithms, Neural Networks
Education
- Master's Degree in Computer Science2014 - 2016University of New Mexico - Albuquerque, NM, USA
- Bachelor's Degree in Computer Systems Management2009 - 2014National University of Colombia - Bogotá, Colombia
