Alexander Atilio Acosta Leon

1. NODE.JS BACK-END DEVELOPER at Worknaut, Medellin, Colombia | Apr 2023 - Present:

• Currently working as a Node.js back-end developer at Worknaut, where I play a crucial role in developing and maintaining web applications using Node.js and NestJS.
• Collaborate with the front-end development team to ensure seamless integration of user interfaces with back-end functionality.
• Actively participate in code reviews, architectural discussions, and problem-solving sessions to improve code quality and application performance.

1. NODE.JS BACK-END DEVELOPER at Emplicit, San Diego, California, USA | Apr 2022 - Feb 2023:

• During my tenure at Emplicit, I was responsible for designing and implementing scalable back-end systems using Node.js.
• Played a key role in optimizing database performance and wrote efficient database queries using Sequelize for PostgreSQL.
• Worked closely with project managers to meet project deadlines and deliverables.

1. NODE.JS BACK-END DEVELOPER at ReferHub, Seattle, Washington, USA | Jun 2020 - Apr 2022:

• At ReferHub, I gained valuable experience in building RESTful APIs and integrating third-party services to enhance application functionality.
• Collaborated with the QA team to ensure thorough testing and debugging of applications, resulting in improved application stability.

Skills:

1. Node.js and NestJS Development: Proficient in developing back-end applications using Node.js and the NestJS framework, known for its scalability and maintainability.
2. Database Management: Expertise in managing databases, with a strong command of Sequelize for PostgreSQL and Mongoose for MongoDB. Skilled in optimizing database performance and writing efficient queries.
3. Agile Development: Experienced in applying agile principles to manage projects effectively, including sprint planning, daily stand-ups, and continuous integration.
4. API Development: Skilled in designing and implementing RESTful APIs, ensuring robust communication between front-end and back-end systems.
5. Collaboration: Proven ability to work collaboratively in cross-functional teams, facilitating effective communication and project coordination.
6. Problem-Solving: Adept at identifying and resolving technical challenges and bottlenecks to ensure smooth project progress.
7. International Project Experience: Successfully contributed to international projects, demonstrating adaptability and cultural sensitivity.
8. Code Quality: Committed to delivering high-quality code that adheres to best practices, coding standards, and security guidelines.
9. Continuous Learning: Enthusiastic about staying updated with industry trends and technologies to remain at the forefront of back-end development.
10. Client-Focused: Dedicated to understanding client needs and delivering solutions that exceed their expectations.

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