Sebastian Roy

Founder gel electrophoresis app gelly.bio, iGEM Alumni, computational biophysics, aviation

📍 Frankfurt a.M. http://gelly.bio

Upload an Image via Multiform POST Request in Kotlin using Retrofit2 in 2023

If you're an Android app developer looking to provide users with the ability to upload images or for computer vision tasks, you're in the right place. In this blog post, we'll show you how to send an image via post request in Kotlin using Retrofit2.

Sending an Image as POST Request with Swift 5 to Go 1.19 Server

In this post we will upload an image from the user of an iOS app to a server written in Go as an asynchronous multiform POST request. This could be for uploading a profile image or detecting objects.

How to Document Code with Swimm.io

As a founder I spend the last couple of weeks working on documenting the code base to be employee ready. That way when capital comes and new people join we can press the accelerator without spilling the energy all over the place.

Designing the Glue between Server and Client

Documenting APIs with Insomnia and Redoc using OpenAPI 3.0.4

Relaying a Microservice JSON Response to the Client by Unmarshalling Go Structs

In this post we will transform a JSON response from a microservice by adding metadata like a name, date or a unique identifier and relaying it to the user client. This is part of my journey in building AI SaaS app on iOS for researchers, as an example we will pretend to send data to an AI object ide

Sending Images in POST request as MultiPart Form from Go to Microservice

Today we will learn how to send an image to a microservice for analysis and return the result to the user.

Communications from Go Backend to SwiftUI Frontend with JSON API

Let’s establish the communication between server API and client. We will deal with janitor work of programming. It consists of structuring values of data fields into groups, storing them long term and unpack them to work with.

How I use the iPad as a Productivity Device with Craft.do

In this post I will talk about my recent iPad productivity setup as a laptop replacement on the go.

12 Steps to Setup an AI SaaS Business

In this post I will explain how to use Mockups, Landing Pages, Surveys, Logo Generators, Prototypes to build a Minimum Viable Product (MVP) and validate customers for a potential SaaS business using AI.