Hendrix Roa
Cali, Colombia ●-● - ● linkedin.com/in/hendrix-roa
ABOUT
Software engineer with ten years of experience specializing in Back-End development, system design,
engineering management, and software delivery applying DevOps culture. My experiences cover the early
stages of development and release. Also, I can work in existing platforms to improve the software architecture
using modern techniques and principles that make the product scalable, 99% uptime, easily transferable
adding proper technical documentation at different levels for new hires. In this new stage of my career, I am
looking for full-time and long-term positions to continue crafting my skillset in new
technologies, focusing on product-centric solutions that positively impact customers and stakeholders.
AREA OF EXPERTISE
Software Architecture – Cloud Architect – DevOps Engineer – Technical Leader – Back-end Lead
Web Development – Mentorship – Documentation – Unit Testing – System analysis
SKILLS
Core Expertise: Node.js, Typescript, Python, AWS, Terraform, AWS CDK, DevOps, SQL/NoSQL
Proficient In: Java, .Net, C#, API Rest, GraphQL, Websockets, Realt-time, Event-driven systems,
Message broker, SecOps, Quality Code Automation, System Architect.
Familiar With: Goland, Rust, Trading algorithm, 3rd party integrations, Fintech, Web3, Blockchain.
EXPERIENCE
TelevisaUnivision – Senior Software Engineer
August 2023 – Present
• Implemented and developed integration with Quickplay 3 rd party vendor for assets media using the
framework fastify and node.js to process media by interacting with the Quickplay API to reduce the manual
work by the content team.
• Led the integration of new fields and workflow processes for the Vix custom CMS for sports events allowing
to automate the event scheduler with 45% more accuracy.
• Develop a new queue strategy on the GCP queue task to reduce the error percentage by 30% by applying
policies for retry and validation.
• Created a notification system using GitHub actions and Slack API to notify different events for deployment in
the backend systems.
• Help to integrate 3rd party vendors like Spectrum and Dish using the existing nest.js backend to grant
premium access to the Vix platform.
• Led initiatives to reduce the technical debt in the different projects by doing proposals for refactoring and
code clean-up.
• Creating accessible guides to perform effective unit testing, style guides, and proposals to improve the
architecture.
SKILLS: Software Development · Back-End Web Development · Node.js · Technical Documentation ·
SQL · NoSQL · GCP · API Rest Development · Typescript · Fastify · Nest.js · Github Actions
Hendrix Roa Consultant – Back-end Lead & Devops engineer
September 2017 – August 2023
I worked providing development services to different companies creating a backend application from scratch
and giving maintenance to the integrated systems, providing system architecture and system design proposals
for internal systems. It also, focuses on the fundamental pillars for good design in modern software
development: Robustness, agility, security by design, and flexibility to adapt to change using sustainable
software architecture.
• Developed and maintained backend services using TypeScript and Nest.js framework, following best
practices and architectural patterns to ensure code quality and maintainability.
• Designed and optimized database schemas and queries in PostgreSQL, ensuring efficient data storage and
retrieval for the application.
• Implemented AWS Simple Queue Service (SQS) and AWS Lambda functions to enable asynchronous and
event-driven processing, improving system scalability and reliability.
• Actively collaborated with cross-functional teams to ensure security compliance throughout the development
lifecycle, addressing vulnerabilities and implementing necessary safeguards.
• Led the integration of Sage Intacct ERP system with the company's real estate development custom
solution, enabling seamless financial and accounting processes.
• Implemented CI/CD pipelines using industry-standard tools such as Jenkins, Git, ArgoCD, and Docker,
enabling automated builds, testing, and deployments.
• Successfully delivered a highly scalable and secure backend architecture for a real estate development
custom solution, resulting in improved operational efficiency and reduced manual effort.
• Played a key role in migrating the infrastructure from on-premises servers to AWS cloud, resulting in
improved scalability, availability, and cost-efficiency using infrastructure as code in terraform and AWS CDK
• Redesigned and implemented an ETL process to migrate the financial data from theinstitutes.org to the
Salesforce workspace using the Python library of Salesforce which facilitates automation for custom reports.
• Set up and manage AWS Single Sign-On (SSO) to centralize and streamline user authentication and access
control across multiple AWS accounts and services.
• Implemented a robust error handling and logging mechanism, significantly reducing debugging time and
improving the application's stability using centralized Elasticsearch and Kibana dashboard to query logs with
ease.
• Developed a microservice system and ETL process to collect data from different sources using web crawlers
in the puppeteer.js library to find patterns and notify 10k subscribers of good opportunities to invest in crypto.
• Mastering the stack to start using typescript and API data validation, avoiding the error rate of 35% in
production environments.
• Give support to an automated trading system made in Python stack for the associate team. Get onboarding
collaborators to the stack and organization culture.
• Set up a monitoring system for the current stack using the New Relic products which helps us to
identify bottlenecks on the system and allows us to increase performance by provisioning better
cloud services for it.
• Developed back-end systems and APIs using Node.js, TypeScript, PHP (CodeIgniter), and .NET
Framework.
• Conducted thorough testing, bug fixing, and performance optimization to deliver high-quality software.
• Integrated payment gateways and shipping APIs, improving the overall functionality and user-friendliness of
the e-commerce platform.
• Utilized AWS EC2, AWS Cloud9, and AWS DynamoDB for scalable infrastructure and database
management.
• Developed a cryptocurrency trading platform with real-time market data and indicators, enabling
users to make informed trading decisions.
SKILLS: AWS Cloud · Node.js · .Net · Terraform · CI/CD · Python · ETL · Docker · New Relic · Relational
Databases · NoSQL · Automation · Web Scraping
Remaster CA – Back-end Developer
October 2016 – September 2017
Worked on various projects that involved the development of web-based applications using Laravel, LAMP, Symfony,
AWS S3, MySQL, PHP, Node.js, and JWT authentication.
• Successfully integrated a new payment gateway in an e-commerce platform using Laravel and the
Stripe API.
• Developed and integrated a custom reporting module using Symfony and MySQL for a healthcare
management application, improving data analysis and decision-making.
• Created a scalable RESTful API using Node.js, JWT authentication, and AWS S3 for a file-sharing
application, enhancing user experience and data security.
• Collaborated with cross-functional teams to ensure timely project delivery, resulting in client
satisfaction and repeat business.
4Geeks – Junior Software Engineer
December 2015 – October 2016
Promoted to Junior Software Engineer to work on a variety of projects over the course of one year, specializing in Python,
Odoo, ERP, Laravel, Angular.js, and Django. With a focus on delivering robust solutions. Laid off following a company
restructuring in October 2016 to transition from a Software factory into an e-learning platform.
• Developed a scalable web application using Laravel and Angular.js, resulting in increased user
engagement and improved overall performance.
• Led the migration of a legacy system to Django, enhancing system efficiency and maintainability.
• Leveraged Python, Odoo, and ERP systems to design and develop customized solutions for
clients, meeting their specific business needs and optimizing processes.
• Utilized Laravel and Django frameworks to build scalable web applications, ensuring high
performance and code maintainability.
PERSONAL PROJECTS
• Written a variety of articles related to software engineering and best practices: Newsletter
• A podcast about software engineering: NoiselessTech Podcast
• Released terraform modules with more than 100K downloads to open source to facilitate the provision and
automation of AWS services to the community: Terraform Modules
• Github projects: Code snippets & Profile
EDUCATION
Computer Science Degree
October 2011 – July 2015
• I completed the first half of the degree learning the fundamentals of Computer Science.
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