Freelance
Software Engineer

Hello! I'm Nyef, an experienced software developer who builds solutions to help your business grow.

Nyef.nl

Expertise

Thanks to my versatility, I am an excellent candidate for your project. By combining my skills and experience, we achieve great results.

Software solutions

  • Building SaaS solutions, web applications, dashboard environments, automations, and websites (static & dynamic).
  • Applying front-end and back-end technologies, configuring servers, and building databases.
  • Designing robust and suitable software architecture.
  • Writing high-quality code that is maintainable and scalable. All code is tested using the appropriate testing techniques.
More about my software engineering skills

Design & user Experience (UX)

  • Designing or composing interfaces myself.
  • Implementing (provided) designs — also responsive for different devices.
  • Applying technologies such as React, Next.js, Tailwind CSS.
  • Knowledge of SEO, web accessibility (a11y), and online marketing. I can provide support for these aspects in web solutions.
Example: For TheorieGO, I received design files

APIs & external integrations

  • Developing (REST) APIs so that other parties can use them.
  • Integrating external APIs into your existing or new solutions.
  • Connecting different data points for data analysis and processing.
External integrations I have experience with

Project management

  • Working iteratively according to the Scrum project management methodology for flexibility.
  • Managing and prioritizing backlog items.
  • Experienced in first-line user support and building customer relationships.
  • Experienced in setting up, configuring, and using project management tools.
More about my product management strategy

Case studies

Take a look at my projects. Read how I work and which techniques I use.

TheorieGO

TheorieGO

Web application development

TheorieGO is an online platform that helps customers prepare for their Dutch car theory exam.

I was involved in the technical aspects, such as designing the architecture and developing the entire (technical) system.

Case study
TheorieGO
Spring Framework
Next.js
Java
Events Access App

Events Access App

Web application development

This platform allows administrators to share QR codes for existing gate systems with customers via a private dashboard environment.

For this project, I am responsible for all technical aspects of the platform — writing code, testing, and further development.

Case study
Events Access App
Kotlin
React
Spring Framework
Webshop Product Analysis

Webshop Product Analysis

Web scraper development

With this web scraper (ethical, with permission) I enable the client to automatically collect product data from various webshops for data analysis.

For this I developed the scraper, set up servers and do maintenance.

Case study
Webshop Product Analysis
Python
Ubuntu
Caddy 2
Serpotrack

Serpotrack

Web application development

Serpotrack is a tool for online marketers & SEO professionals to monitor website positions in Google search results (SERP).

As the initiator of this project, I initially developed it for myself. This project is continuously being developed.

Case study
Serpotrack
Java
Typescript
Spring Framework

Tech stack

Techniques & platforms that I regularly use. This list is constantly changing.

Caddy 2
React
Java
Bitbucket
GitHub
Typescript
PostgreSQL
Jira
Ubuntu
Kotlin
Spring Framework
Next.js
Tailwind CSS
Playwright
IntelliJ IDEA
Strapi
Matomo
Semrush
Mollie
Google Cloud
Slack

Need an experienced software engineer?

I help companies with software solutions (SaaS, automation and more) — from backend to frontend. Feel free to contact me to see how I can contribute to your project.

  • Robust backend: Java/Kotlin, SQL, Spring Framework
  • User-friendly front-end: Next.js, React, Typescript, ES6
  • Rapid development: Continuous integration & deployment, Jenkins
  • Efficient collaboration: Agile, Scrum, Jira, Git, Bitbucket, GitHub
  • Freelance software developer from Arnhem, The Netherlands