Sebastian A.

About Me

I am a skilled Software Developer with 7+ years of technical competencies in .NET technologies; propagating and implementing avant-garde solutions for clients. I have practical expertise in the use of microservices, WebAPI and MVC complemented by proficiencies in Azure Cloud technologies and a Domain-Driven Design architectural approach for the delivery of high-quality solutions for clients.

Frontend

Backend

Database

DevOps

Other

Work history

UpStack
UpStack
Senior Software Developer
2019 - Present (6 years)
Remote
  • Creating and developing innovative software solutions for clients across a broad range of industries.

Team International
Team International
Senior Software Engineer/Software Architect
2018 - 2019 (1 year)
Medellín, Colombia
  • Designed technical solutions as backend ead (.NET), architected software solutions using DDD, and participated in different process and design decisions.

  • Provided frameworks, systems, and tools for web development using Javascript (React), HTML, CSS.

  • Worked on part of the architecture of the application on the backend, drove the transition to Azure Cloud, and managed CI/CD integration tasks for Cloud Computing, IaaS, PaaS, SaaS, and Serverless.

Tata Consultancy Services
Tata Consultancy Services
Senior Software Engineer
2015 - 2017 (2 years)
Medellín, Colombia
  • Developed fault-tolerant web solutions for clients of TCS using PHP, JavaScript, HTML, CSS, C# and ASP.NET.

  • Designed, developed and implemented scalable solutions using responsive technologies for mobile platforms.

  • Provided leadership for the migration of TCS' legacy code to a new stack of .NET technologies; improving the performance and resilience of applications.

Visual Systems D.C.
Visual Systems D.C.
Research and Development Engineer
2011 - 2015 (4 years)
Medellín, Colombia
  • Developed with new technologies and applied best practices for the iteration of a software solution serving over 1000 users for Numrot.

  • Developed web solutions for all stages of the lifecycle; working on low fidelity proof of concepts to production-level deliverables on various web development projects.

  • Implemented, tested, evaluated and documented cloud computing solutions using services like Azure and AWS.

Showcase

Senior .NET Developer - Banking - SMEs transactional site
Senior .NET Developer - Banking - SMEs transactional site
  • Developed a transactional site for SMEs to check transaction history and online payments.

  • Defined coding standards and best practices for the site's development.

  • Achieved a 50% performance optimization of the site, resulting in a clean, efficient, and performant solution.

Software Architect/.NET Developer - Logistics - Carriers and Customer Reps site
Software Architect/.NET Developer - Logistics - Carriers and Customer Reps site
  • Developed a customer and representative portal for a logistics company with over 1,000 active users.

  • Implemented a software architecture and domain approach using on-premise and cloud migration strategies.

  • Ensured 99.9% availability of the web portal through domain-driven design techniques and .NET technologies.

.NET Developer - eBilling - Energy bills for Home Clients
.NET Developer - eBilling - Energy bills for Home Clients
  • Developed a website and application for uploading energy bills.

  • Implemented new features and maintained legacy code.

  • Migrated infrastructure to AWS, improving efficiency and reducing bugs.

Education

Education
Microsoft Certified Solutions Developer: Web Apps
Microsoft
2016 - 2016
Education
Microsoft Specialist: Programming in C#
Microsoft
2016 - 2016
Education
Microsoft Certified Professional
Microsoft
2016 - 2016
Education
Software System Engineer
Universidad Nacional de Colombia
2007 - 2013 (6 years)
Education
Linux/Windows Server Administration (Seminar)
Universidad Nacional de Colombia
2016
Education
Mobile App Development (Diploma)
Universidad EAFIT
2017
Education
DevOps Engineer
Edureka
2019