David César Hernán Cao

Doing full stack development at SE Motion/TeamUnify web app with Java

Doing fullstack development at Brackepal app with Nitrogen web framework with Erlang

Development of data-intensive marketing applications for User acquisition Team. Main stack: Python, Apache Spark, Databricks, Airflow, Docker, GitlabCI, AWS.

Building a mobile e.wallet app in React Native Building the BFF and microservices in Node JS with AWS services

Built SPAs for internal surveys in React and Python with Flask at backend Deployed services using Cloud Foundry internal company cloud

• Implemented features over in-house GraphQL engine and server that feed the web and mobile apps. • Worked into the Facebook’s Tao erlang implentation graph database with PostgreSQL. • Worked over an in-house automated testing tool with API Blueprint on the top of Klarna’s Katt library.

• Analysis, development for a messaging app in Erlang with Cowboy web server using websockets • Using several data bases like Elasticsearch, Cassandra and Cayley. • Building test cases with Common Test Suite

Development of a REST server for a medical app in Erlang with Cowboy web server and saving image results in AWS S3. • Using several data bases like PostgreSQL, Riak K/V Store. • Building test cases with Common Suite and Eunit framework. • Mantenance of Inaka’s open source repositories on Github.

• Analysis, development and maintenance of services in C and SQL. • Resolution of produccion issues and process automation by shell scripting.

• Development and maintenance of services in Pro C/C++. • Generation and documentation of testing cases and process automation of process by shell Scripting.