h
heyther_blanco

Heyther

@heyther_blanco

Software Developer

Colombia
Spanish, English
About me
I'm Heyther, a professional Software Developer with experience building scalable and secure web applications using Java (Spring Boot), .NET (C# / ASP NET Core), and Nodejs (Nest / Express). I specialize in microservices architectures, event-driven systems (Kafka, RabbitMQ, MQTT), and secure API design with REST, GraphQL, and gRPC. I apply modern engineering principles like Hexagonal, Clean, and Vertical Slicing architectures, and I’m comfortable deploying solutions on Docker, AWS, Azure, and Firebase. Whether you need a new backend from scratch, API integrations, or help improving.... Read more

Skills

h
heyther_blanco
Heyther
Offline • 
Average response time: 1 hour

See my services

API & Integrations
I will build scalable backend, rest API, graphql or microservices
From$10 / projectMore details
Full Stack Web Applications
I will fullstack web application with angular
From$40 / projectMore details

Portfolio

Work experience

Upwork

Freelancer Developer

Upwork • Freelance

Jan 2025 - Present • 1 yr 4 mos

I design and build distributed systems, web applications, APIs, and end-to-end software solutions focused on efficiency, scalability, and usability. My work often involves modernizing legacy systems, handling complex data migrations, and ensuring secure, compliant data architectures. I focus on creating intuitive platforms that not only support daily operations but also provide meaningful insights through data. With a background in the software development industry and experience working through platforms like Upwork, I bring a practical, results-driven approach to every project, delivering solutions that are reliable, scalable, and built to last.