Efraín González Castillo Email & Phone Number

Backend Developer with extensive experience in API creation and data architecture design. I specialize in web service integration and deploying applications on AWS EC2 instances. My self-taught approach and passion for technology have enabled me to develop advanced skills in Node.js, TypeScript, and Python, as well as deep expertise in databases such as MongoDB. I am driven by solving complex problems collaboratively and always strive to implement innovative solutions.Currently, I am enhancing my knowledge in AWS to further improve my skills as a backend developer, with a strong commitment to technical quality and continuous improvement.I am constantly seeking new opportunities to learn and grow professionally, making significant contributions to every project I undertake.

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  Software Developer

  Susuerte S.A

  Dec 2020 - Present - Manizales, Caldas, Colombia

  - Develop reusable code by creating modular and efficient components for use in multiple future projects, promoting consistency and reducing development time.- Architect, implement, and test robust backend systems for web applications while applying agile practices.- Analyze and improve existing code to maximize performance and efficiency, resolving technical issues and bugs to ensure application stability.- Implement quality assurance and error detection through unit testing to identify and fix errors, ensuring a high level of quality.- Integrate external APIs by connecting and synchronizing them with internal systems, facilitating communication and data exchange between different platforms and services.- Deploy and manage applications on both on-premises servers and in the cloud, including implementation and administration on AWS EC2 instances.- Apply and implement architectural styles for APIs, such as REST and Websockets, to enhance communication between services and applications.- Participated in code reviews and provided constructive feedback to improve codebase.- Mentored junior developers and facilitated knowledge sharing within the team.