Duties:o Led Research & Development (R&D) initiatives to address complex challenges, driving innovation through quick prototyping and proof of concepts (PoC) to validate solutions effectively.o Designed and implemented process optimization strategies, improving efficiency across infrastructure and software teams while reducing time-to-market for new services.o Acted as a cross-departmental consultant, providing technical guidance on software and infrastructure architecture to align with business objectives.o Worked closely with the CTO, overseeing the refactoring of a monolithic system into a scalable, distributed architecture by defining a microservice strategy and implementing services using Golang and Kafka.o Built and optimized high-RPS in-memory mapping systems, enhancing performance and scalability for critical services.o Oversaw the deployment of microservices on Kubernetes, ensuring fault tolerance, load balancing, and seamless integration with monitoring and logging systems.o Designed and executed custom data migration scripts, transforming and synchronizing legacy systems with distributed architectures to minimize downtime and ensure data integrity.o Conducted deep data analysis to identify market trends, forecast behaviors, and explain complex patterns, enabling data-driven decision-making.o Developed sharded services and implemented robust error-handling mechanisms using Golang goroutines, improving reliability and fault recovery in distributed systems.o Supervised the implementation of comprehensive logging and monitoring solutions for microservices, ensuring observability and proactive incident management.o Leveraged expertise in distributed models and database architectures to design scalable, high-availability systems supporting large-scale applications and services.

Duties:o Responsible for maintaining 99.99% SLA.o Service and Hardware monitoringo Designing secure network architectureso Implementation of best security practiceso Designing and implementing new architecture of Elasticsearch servers to improve performance and reliabilityo Improving data structure and query optimization for better performance, also reducing hardware costs.o Deploying/Managing 500+ servers in multiple architectures to provide services such as MySQL, Memcached, Elasticsearch, Webservers, backend services etc.o Designing, developing and maintaining a scalable application capable of handle bulk email send while keeping good IP reputation, avoiding spam flags, handling bounces and feedback loops (FBL)o Leading project team members in complex large-scale projects, using my language skills as a tool to handle de communication between Montreal and Medellin officeso Developing and managing the process to distribute the daily email alerts to subscribers using technologies such as RabbitMQ, Memcached & MySQL.o The constant develops of tools to automatize the generation of reports using Realtime data.o Automatization of alerts to check for failure events or security breaches at the hardware and software level.o Creation of microservices to connect and manage Amazon Web Services (AWS) products, such as Simple Email Service(SES), Route 53, Healthchecks, EC2 instances Etc.o Developing tools to automatize the creation of AdWords campaign, ad groups ads and expanded ads to maximize profits based on performing keywords vs non-performing keywords.o Designing and developing an application based on gitlab to manage the development – production transition deploying to multiple servers.o The constant scaling of processes to fit the rapid growing of the company

Duties:o Designing and implementing new architecture of Elasticsearch servers to improve performance and reliabilityo Improving data structure and query optimization for better performance, also reducing hardware costs.o Deploying/Managing 500+ servers in multiple architectures to provide services such as MySQL, Memcached, Elasticsearch, Webservers, backend services etc.o Designing, developing and maintaining a scalable application capable of handle bulk email send while keeping good IP reputation, avoiding spam flags, handling bounces and feedback loops (FBL)o Leading project team members in complex large-scale projects, using my language skills as a tool to handle de communication between Montreal and Medellin officeso Developing processes to track/improve the SEO traffic.o Developing and managing the process to distribute the daily email alerts to subscribers using technologies such as RabbitMQ, Memcached & MySQLo The constant develops of tools to automatize the generation of reports using Realtime data.o Automatization of alerts to check for failure events or security breaches at the hardware and software level.o Creation of microservices to connect and manage Amazon Web Services (AWS) products, such as Simple Email Service(SES), Route 53, Healthchecks, EC2 instances Etc.o Developing tools to automatize the creation of AdWords campaign, ad groups ads and expanded ads to maximize profits based on performing keywords vs non-performing keywords.o Designing and developing an application based on gitlab to manage the development – production transition deploying to multiple servers.o The constant scaling of processes to fit the rapid growing of the company

o Advice on big data systemo noSQL database Optimizationo Advice on security measureso Propose Java oriented solutions from mid to big enterpriseso Compiling and building mobile applications using Cordova

o Installing and maintaining databases. o Administration of the database including performance monitoring and tuning.o Taking part in the preparation and execution of technical tests. Populating a database with new information or transfer existing data into it.o Creating backup copies of data. o Daily maintenance of firewall protection and file security. o Responsible for database security and data loss prevention. o Identifying and escalating immediately any risks to the database service. o Involved in the design of physical database schema, data modeling, and performance tuning.