Jeno De Keyzer

Jeno De Keyzer

Full-stack Developer

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0.0000 years old

Open to Freelance Opportunities

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About Me

Full-stack developer with 10 years of professional experience, ranging from enterprise software development to partnering in a successful and growing SaaS startup.

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10+ Years Experience

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2,600+ Users on Practle

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Open to Opportunities

Experience

Practle(Current)

Partner & Lead Full-stack Developer

May 2024 - Present • Remote

Scalable, multi-tenant educational platform focused on personalized language learning, combining modular curriculum design, AI-driven feedback, and instructor-guided learning paths. Currently serving 2,600+ users across two major educational institutions.

PythonFastAPIAngularTypeScriptPrimeNGPostgreSQLAWSDockerNext.jsTailwind CSS

Liantis(Current)

Freelance Full-stack Developer

May 2023 - Present • Bruges

Helped create new applications from the ground up, introduced modern development practices, and shared experience with the team(s). Gained deeper expertise in modern Angular projects for the frontend and microservices architecture in the backend.

Agilent Technologies

Senior Full-stack Developer

October 2018 - May 2023 • Ghent

Worked on a LIMS system called SLIMS in a senior capacity after Genohm was officially acquired by Agilent.

Genohm

Senior Full-stack Java Developer

October 2015 - October 2018 • Ghent

Started at Genohm right after finishing VDAB course. Genohm was still in the startup phase, which allowed quick growth in both knowledge and responsibilities. Worked on LIMS system called SLIMS, primarily fixing defects and working on new features. Later assigned to another project for a specific customer, where I had the opportunity to take on the role of lead developer.

Skills

Backend

Javaexpert
Spring Bootexpert
Spring Securityexpert
Hibernateexpert
JPAexpert
Pythonadvanced
FastAPIadvanced
Kotlinintermediate
PostgreSQLexpert
MySQLadvanced
MSSQLintermediate
Sqitchadvanced
Liquibaseadvanced
Flywayintermediate

Frontend

TypeScriptexpert
JavaScriptexpert
Angularexpert
Reactintermediate
Next.jsintermediate
Tailwind CSSadvanced
PrimeNGadvanced
Vaadinadvanced
Cypressadvanced

Cloud

AWSadvanced
ECS Fargateadvanced
RDS Auroraadvanced
Cognitointermediate
S3advanced
SESintermediate
CloudFormationadvanced
Azureadvanced
Google Cloudbeginner

Tools

Dockeradvanced
Gitexpert
GitHub Actionsexpert
Jenkinsadvanced
Gradleexpert
Mavenexpert
Poetryintermediate
Kafkaintermediate
RabbitMQintermediate

Projects

Practle

Scalable, multi-tenant educational platform focused on personalized language learning with AI-driven feedback. Currently serving 2,600+ users across major educational institutions.

Users: 2,600+
PythonFastAPIAngularTypeScript+2 more

Fantasy League

Full-blown web application for football tournament predictions. Served around 60-80 users (colleagues, friends) and maintained throughout multiple competitions (World Cup 2018, Euro 2020, World Cup 2022, Euro 2024).

JavaVaadinAWSHetzner

Personal Portfolio Website

Modern, bilingual (Dutch/English) portfolio website featuring dark/light mode, live Strava statistics integration, animated components, and fully responsive design. Deployed on Hetzner Cloud with Docker and automated CI/CD.

Next.jsTypeScriptTailwind CSSFramer Motion+2 more

Bracket Selection

IntelliJ plugin for bracket selection functionality. Maintained with approximately 3,500 downloads on JetBrains Marketplace.

Downloads: 3,500+
JavaIntelliJ Platform

JBehave Support

Widely used plugin for IntelliJ IDE with 160,000 total downloads. Became a maintainer after fixing issues and offering assistance to the repository owner.

Downloads: 160,000+
JavaIntelliJ Platform

Strava Stats

Work in Progress

Enhanced way of filtering through Strava activities with location-based search, allowing users to find activities within a specific radius of a location on the map.

ReactStrava API

jdump

A small CLI written in Python to easily handle SQL dumps across different projects.

Python

SLIMS

Very extensive LIMS web application worked on for 5 years while working at Genohm and then Agilent Technologies.

JavaSpringHibernatePostgreSQL

SLIMS API

API that allows developing plugins for SLIMS. These plugins allow customers to tailor to specific needs like integrations with machines or custom behavior.

JavaREST API

Strava Stats for 2026

Get In Touch

Feel free to contact me with offers