Sebastian A.

Sebastian A.

Senior Software Engineer

Colombia
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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.

Work history

UpStack
UpStack
Senior Software Developer
2019 - Present (5 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.

Portfolio

Senior .NET Developer - Banking - SMEs transactional site
Senior .NET Developer - Banking - SMEs transactional site

Developed a transactional site that allows users (SMEs) to check transactional history with the bank, and provides features for online payments and queries for balances. Defined the coding tandards and best practices for the site. Delivered a clean, efficient and performant software solution with no critical bugs to roduction. Optimized the performance of the site by at least 50%. The site was successfully published to the cloud using Azure and has about 3000 active users.

Software Architect/.NET Developer - Logistics - Carriers and Customer Reps site
Software Architect/.NET Developer - Logistics - Carriers and Customer Reps site

Worked on the creation of a portal for the customers and reps of a logistics company with 1,000+ active users; defining the software architecture and domain approach used on the project. The solution was built on-premise and was migrated to the cloud using domain-driven design techniques and .NET technologies. The availability of the web portal was engineered with a coverage of 99.9%.

.NET Developer - eBilling - Energy bills for Home Clients
.NET Developer - eBilling - Energy bills for Home Clients

Developed a website and an application to upload energy bills for home users, with features for queries and payments. Developed new features and maintained legacy codes on the project. Migrated the infrastructure to the cloud using AWS, reduced the number of critical bugs and implemented best practices for efficiency. The web application is used by 1,500+ customers to query the portal for their energy bills.

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