Marlon Yepes Ceballos

• Java:
  85%
  5 Years
• JavaScript:
  80%
  5 Years
• TypeScript:
  70%
  4 Years
• Python:
  70%
  4 Years
• Kotlin:
  65%
  3 Years
• HTML:
  55%
  5 Years
• Golang:
  40%
  3 Years
• PhP:
  40%
  3 Years

Ontop

Within a rapidly growing startup, one of the most highly valued by Y-Combinator, with a valuation exceeding $150 million, I played a significant role as a senior backend developer. Here, I actively participated in critical integrations with renowned financial institutions such as JPMorgan, one of the leading global banking entities. This integration facilitated efficient transactions in U.S. accounts for thousands of contractors worldwide. Additionally, I contributed to the design and development of Latin America's first physical and virtual card, offering the capability to make dollar payments anywhere in the world. Furthermore, I was involved in significant integrations with cryptocurrency providers like FTX and Zamp, enabling contractors to move their funds through cryptocurrency transactions.

Technologies

Swiftline

My focus centered on large-scale projects related to IoT and cloud computing, with a strong emphasis on utilizing leading engineering patterns and best practices to achieve a greater impact. Additionally, I applied security standards for communications between IoT devices. I played a vital role in the development and migration of applications for Bellwether Coffee, which encompasses internet-connected coffee roasting machines used by thousands of users across the United States.

Technologies

57Blocks

Backend developer with a focus on a serverless architecture with Node.js and AWS.

Technologies

Cidenet

I was responsible for developing comprehensive solutions for clients from various regions around the world, as well as providing guidance and establishing guidelines for secure and scalable development. Additionally, I was responsible for implementing 3D-Secure for credit card transactions at PayValida, one of Colombia's largest payment gateways. This achievement was a significant milestone as we established standards of security and reliability in online transactions in the country. The platform processed thousands of transactions daily and was recognized as one of the safest online payment platforms in Latin America.

Technologies

Servicio Nacional de Aprendizaje (SENA)

Web developer with emphasis on the use of frameworks for graphical interfaces, use of frameworks such as Angular, React, and Svelte. Use of backend frameworks such as Spring Boot in conjunction with Java, management of relational databases, excellent management of managers such as Postgres and MySQL.

Technologies

• 

  Patricio Beltran

  I worked with Marlon for over a year and I was able to see all of the skills that make him so valuable. Always eager to learn and take the innovative was of solving a problem, I am sure he will be a great asset to any team that signs him.

  Engineering Manager at Ontop

  Issued At: 2023-09-19

• 

  Juan Francisco Escallier

  Was a plessaure to work with Marlon, a very proactive guy. He’s always learning and proposing new things, also always had a very interesting and agile point of view to develop with a quality code. I think he’s one of the most fast-learning mates that i had ever. And also he has a loong set of technologies in his background. Of course i want to talk about his personality, a very warm guy that you always going to have great conversations!

  Scrum Master | SMPC® | Agile | PM

  Issued At: 2023-09-18

• 

  Felix Antonio García López

  I had the pleasure of working alongside Marlon in the same group, and I can confidently vouch for his dedication and professionalism. Marlon consistently provided insightful feedback that improved our projects and fostered a collaborative and positive working environment. His ability to analyze situations and offer constructive criticism is truly commendable. Any team would be fortunate to have Marlon as a member, and I wholeheartedly recommend him for any endeavor he chooses to pursue.

  Java Developer at Globant

  Issued At: 2023-09-17

• 

  Luciano Martín Rodriguez

  I had the pleasure of working with Marlon at Ontop. He is an excellent person and developer, always eager to learn more and more and committed to develop solutions with great quality. His technical skills and great attitude will always be valuable to any team he works with.

  Tech Lead at ontop

  Issued At: 2023-09-15

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