Juan is available for hire
Hire JuanJuan Camilo Bages
Verified Expert in Engineering
Software Developer
Bogotá - Bogota, Colombia
Toptal member since January 18, 2022
Bio
Juan is a software engineer with experience in large-scale distributed search systems with low latency, high availability, and excellent data quality. He uses the tech stack, which mainly consists of Ruby, Go, Elasticsearch, and Puppet, for his daily work. He has delivered previous projects using Python and JavaScript with frameworks like Vue, MongoDB, and SQL.
Portfolio
Looka Inc
Go, GraphQL, Node.js, PostgreSQL, MySQL, Amazon S3 (AWS S3), Stripe Development...
Stripe
Ruby, Puppet, Go, Elasticsearch, Python, Python 3, Python 2, JavaScript...
Freelance
JavaScript, Vue 2, Python, Python 2, Python 3, Flask, Django, AngularJS, Java...
Experience
Availability
Part-time
Preferred Environment
Visual Studio Code (VS Code), Slack, Discord, Unix, Git, GitHub
The most amazing...
...thing I’ve developed is a Search API with a custom query language and a support for hundreds of concurrent requests per second.
Work Experience
Software Engineer
2022 - PRESENT
Looka Inc
- Developed integrations with external payment APIs using Go, including HTTP REST calls and webhooks, while maintaining backward compatibility with the previous state of the back end.
- Developed features integrated with external services such as Amazon S3 to upload media without incurring a high server load and to maintain low latency.
- Updated SQL database schema in a lock-free manner and maintained backward compatibility.
Technologies: Go, GraphQL, Node.js, PostgreSQL, MySQL, Amazon S3 (AWS S3), Stripe Development, Stripe API, Stripe Checkout, Cloud
Software Engineer
2019 - 2022
Stripe
- Introduced cross-region data ingestion and search to comply with Indian data localization regulations.
- Upgraded Elasticsearch clusters with zero downtime migrating one petabyte of data across 700 nodes.
- Developed a search API query language and a framework that simplifies adding new fields for users to query their data.
- Reduced clusters data retention and toil, which resulted in yearly savings of $1.5 million.
- Implemented a separate indexing pipeline for internal migrations reducing toil and incidents.
Technologies: Ruby, Puppet, Go, Elasticsearch, Python, Python 3, Python 2, JavaScript, Software Engineering, Databases, Visual Studio Code (VS Code), Slack, Unix, GitHub, APIs, Docker, Amazon Web Services (AWS), Amazon S3 (AWS S3), Stripe Development, Stripe API, Stripe Checkout, Infrastructure, Data Analytics, Cloud
Full-stack Software Engineer
2017 - 2019
Freelance
- Developed applications for different customers based on the given functional requirements.
- Implemented web interfaces using modern JavaScript frameworks like Vue.
- Developed REST APIs in the back end to retrieve data from the front end.
Technologies: JavaScript, Vue 2, Python, Python 2, Python 3, Flask, Django, AngularJS, Java, C++, Software Engineering, Databases, Visual Studio Code (VS Code), Discord, Unix, Git, GitHub, APIs, Docker, Amazon Web Services (AWS), Chrome Extensions, Amazon S3 (AWS S3), Web Scraping, React, Stripe Development, Stripe API, Stripe Checkout, Infrastructure, Data Analytics, Cloud, Artificial Intelligence (AI), CSS3, CSS, Responsive UI
Software Engineer Intern
2018 - 2018
- Developed a feature for rolling reboot of all nodes in a database cluster.
- Ensured that availability and consistency constraints were maintained with the feature mentioned above.
- Allowed the database team to perform kernel upgrades that required rebooting nodes with zero downtime and low toil.
Technologies: Scala, Java, Puppet, Software Engineering, Databases, Slack, Unix, Git, GitHub, Infrastructure, Cloud
Software Engineer Intern
2018 - 2018
Microsoft
- Developed a web tool for partners to visualize a catalog of internal web modules.
- Enabled users to interact with modules in real time and change their configuration on the fly.
- Implemented a feature that allows real-time preview of modules using JavaScript Ajax, replacing the old pattern that required a full website load.
Technologies: JavaScript, C#, jQuery, Software Engineering, Git, Responsive UI, CSS3, CSS
Full-stack Software Developer
2017 - 2017
Mesfix
- Implemented microservices for replacing the platform’s old monolith architecture.
- Developed scripts for migrating platform’s data in RDBMS to MongoDB.
- Migrated the web interface to make use of microservice's new REST APIs.
Technologies: PHP, Python, Python 2, Python 3, JavaScript, Software Engineering, Databases, Unix, Git, GitHub, APIs, Web Scraping
Experience
Search API
This Search API allows users to programmatically look at their financial data using a custom query language. The API serves Elasticsearch data indexed in real time to ensure data quality. The system is a large distributed cluster that supports high throughput indexing and concurrent search requests.
Kerni Chrome Extension
A Chrome extension that allows users to edit their website copywrites in real time. Additionally, users were able to add new variations or languages to their site so that they could modify the same website with different content. Users could apply these changes to their website in production via an internal integration.
Mati Tracker
https://joinmati.comA flutter app for tracking habits and different challenges in a social manner. I designed and developed the app end-to-end. It has been used by a couple of thousand users and is still being used actively. It's available on both Android and iOS app stores.
Education
2013 - 2018
Bachelor's Degree in Computer Science
Universidad de los Andes - Bogotá, Colombia
Skills
Libraries/APIs
Stripe Development, Stripe API, Vue 2, jQuery, Node.js, React
Tools
Git, Stripe Checkout, Slack, GitHub, Puppet
Languages
Ruby, Go, Python, Python 3, Python 2, JavaScript, CSS, CSS3, Java, C++, PHP, C#, Scala, GraphQL, HTML
Storage
Elasticsearch, Databases, Amazon S3 (AWS S3), PostgreSQL, MySQL
Frameworks
Flask, Django, AngularJS, Flutter
Platforms
Visual Studio Code (VS Code), Unix, Docker, Amazon Web Services (AWS), Firebase
Other
Algorithms, Data Structures, APIs, Responsive UI, Web Scraping, Software Engineering, Discord, Chrome Extensions, Infrastructure, Data Analytics, Cloud, Artificial Intelligence (AI), Firebase Hosting
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