# juan David Ramirez

juan David Ramirez is a remote worker on Himalayas, .NET Developer at Pantherahub S.A.S., based in Colombia.

Source: https://himalayas.app/@juandavidramirez

```text
.NET Full Stack Developer with 3+ years in AWS microservices, banking integrations, XML WSSE, JSON JWE, and performance optimization.
```

| Detail | Value |
| --- | --- |
| Availability | Open to opportunities |
| Location | Colombia |
| Authorized to work in | Colombia |
| Salary expectations | 24k-30k USD |
| Job categories | Software Engineer, Full Stack Developer, Developer, Backend Engineer |
| Skills | .NET Core, .NET Framework, C++, TypeScript, React, Vanila, JavaScript, Java, Spring Boot, PHP, Laravel, SQL Server, MySQL, PostgreSQL, MongoDB, AWS Lambda, API Gateway, Azure Functions, IIS, Microservices, REST, SOAP, OASIS, TCP, HTTP, Serverless, .NET, SQL, Visual Basic, Windows, NodeJS, Data |
| LinkedIn | https://https://www.linkedin.com/in/juan-david-ramirez-alvarez-687471226/ |
| GitHub | https://https://github.com/Girondavid |

## What I'm looking for

```text
I aim to grow by designing .NET cloud microservices (AWS/Azure) for high-demand environments, optimizing latency, efficiency, scalability, and secure REST/SOAP integrations.
```

## About

```text
I am a software developer with over 3 years of experience, specializing in the .NET ecosystem and low-level systems development. My focus is on designing microservices and cloud architectures with a clear goal: improving performance and hardware efficiency.

At Efipay, I developed and implemented a microservices architecture using AWS Lambda and API Gateway, achieving a 30% reduction in latency and a 20% increase in transactional processing speed. My work has been centered on optimizing communication between services and ensuring secure integration with high-traffic banking systems.

I also strengthen solutions through low-level engineering: I implemented custom HTTP servers in C/C++ and network communication using TCP sockets, optimizing memory management and data transfer. At Pantherahub, I led the refactoring of RESTful/SOAP APIs, integrations with internal databases, and banking connectivity using the OASIS standard with WSSE and JWE, in addition to developing React and Vanilla JavaScript components for service interfaces.
```

## Experience

### .NET Developer (current)

Pantherahub S.A.S.. Dec 2022 - Present

```text
paslo a ingles

I designed and implemented a microservices architecture in serverless environments (AWS Lambda + API Gateway), increasing processing speed by 20% and reducing transaction latency by 30%. I also developed HTTP servers in C/C++ and optimized communication using TCP sockets, while refactoring RESTful/SOAP APIs and integrating them with banking reports using OASIS with WSSE and JWE
```

Skills: C++, AWS-Lambda, API-Gateway, Microservices, TCP, OASIS-WSSE, REST

### Java Developer

Transkal S.A.S.. Dec 2021 - Dec 2022

```text
I migrated business components from Visual Basic to an internal Java framework, applying clean code principles and business strategies to improve efficiency and traceability in the Colombia Port project.
```

Skills: Java, Clean-Code, Backend-Development, Framework, Traceability

## Education

### EPAM Systems

C# Advanced & Data Processing, .NET. 2025 - 2025. Grade: 4.9

Activities and societies: Software applications

```text
Cursó “.NET: C# Advanced & Data Processing” en EPAM en 2025.
```

### Universidad Católica de Pereira

Software developer, Software developer. 2020 - 2024. Grade: 4.6

Activities and societies: Big Data

```text
I studied the Software Development program at Universidad Católica de Pereira from 2020 to 2024.
```

### American Idiomas

English course, English. 2020 - 2020. Grade: B2

Activities and societies: Debate club

```text
I studied English at American Idiomas and achieved a B2 level in 2020.
```

## Tech stack

- DATOS
- MySQL
- PostgreSQL
- MongoDB
- Node.js
- Laravel
- .NET Core
- .NET
- ASP.NET Core
- ASP.NET Zero
- React
- JavaScript
- Python
- HTML5
- Java
- CSS 3
- PHP
- ASP.NET
- Visual Basic
- Windows
- AWS Lambda
- Serverless
- Azure Functions
- TypeScript
- Docker
- rsync.net
- ML.NET
- .NET for Apache Spark
- SQL
- Railway

To contact juan David, message them from this profile with a Himalayas employer account: [Hire on Himalayas](https://himalayas.app/hire).

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