$ colardyn-it --since 2007 --location mechelen.be

Software engineering.
Nothing else.

Two senior engineers in Mechelen, Belgium. We build and run Java, React, and AWS systems — in production at Telenet since 2014, previously at VRT and Intel. No account managers, no bench, no slide decks.

info@colardyn-it.besee the work
2
senior engineers
33
years combined
2007
shipping since

The team

This is the whole company. You talk to the people who write the code.

frederik-colardyn@colardyn-it: ~
$ whoami
Frederik Colardyn
Technical Lead & Software Architect
$ cat bio.txt
20+ years, Java developer to architect. Led Telenet teams from monoliths to microservices and replaced their custom auth with OpenID Connect in half the planned time and budget. Works in XP, DDD, and TDD. Currently building with AI agents and MCP.
$ cat skills.txt
# BACKEND
Java 8–21 · Quarkus · Spring Boot · GraalVM
# ARCHITECTURE
DDD · Hexagonal · API-first · Microservices
# CLOUD
AWS EKS / S3 / Route53 · Kubernetes · Terraform · GitOps
# AI TOOLING
MCP · Claude / Anthropic · Agent workflows
# METHOD
XP · TDD · Pair programming
$githublinkedinemail_
dennis-devriendt@colardyn-it: ~
$ whoami
Dennis Devriendt
Senior Java Developer
$ cat bio.txt
13 years of Java. Full stack, AWS, and security — OpenID Connect, Okta, Spring Security. Ships production code independently or embedded in your team.
$ cat skills.txt
# BACKEND
Java SE 21 · Jakarta EE 10 · Spring 6 · Quarkus · Hibernate
# FRONTEND
React · TypeScript · NodeJS · Angular
# CLOUD
AWS EC2 / RDS / Lambda · AWS EKS / SNS / SQS · Docker · Kubernetes
# SECURITY
OpenID Connect · Okta · Spring Security
# DATA
MySQL · Redis · Oracle DB · Cassandra
$githublinkedinemail_

Work

Products we run ourselves, and clients we've kept for years.

// PRODUCTS — our own, in production

QuorumTrading

Multi-LLM trading consensus platform. Independent AI agents — technical, fundamental, sentiment — debate every trade and act only on consensus, with full historical backtesting.

✓Multi-agent AI consensus engine with per-decision audit trail
✓Backtesting that replays historical markets before a euro goes live
✓MCP-native: drive the whole platform from an AI agent or the terminal
QuarkusJavaNext.jsTypeScriptPostgreSQLRedisAWS ECS

peekana.me

Peek-a-name — baby-name picker with a swipe interface. Next.js front, Quarkus back, PostgreSQL, Stripe payments.

✓Blue-green deploys on AWS ECS
✓99.9% uptime
✓Full CI/CD from the first commit
Next.jsTypeScriptQuarkusPostgreSQLRedisAWS ECS
// PAST PRODUCTS — sold

hwbot.org

SOLD

The overclocking world-record database. Millions of benchmark submissions and the ranking algorithms behind them.

✓Large legacy PHP codebase kept fast and online since 2007
✓Rewrote the ranking algorithms
✓Query optimization at submission scale
PHPMySQLRedisLinux
// CLIENTS

Telenet

2014 — now

Technical lead for Belgium's largest telco, across 6+ teams.

✓Monoliths to microservices; low to high DORA performance
✓Custom auth replaced with OpenID Connect — half the planned time and budget
✓Quarkus native on EKS and Lambda; Angular micro frontends
✓Okta tenant config fully automated via SDK and GitLab pipelines
JavaQuarkusAngular MFEAWS EKSKubernetesOpenID ConnectOktaTerraform

VRT

2019 — 2022

Cloud developer in the Data & Intelligence team of the Belgian public broadcaster.

✓Push platform: 2.5M devices notified in under a minute
✓OpenID Connect login and SSO across VRT brands
✓GDPR user data; zero-downtime deploys
Spring BootAWS LambdaSNS/SQSCloudFormationJenkins
// EARLIER
Intel2013

Built the online side of Intel XTU: live HWBOT leaderboard integration and real-time benchmark validation.

AMD · Gigabyte · MSI · G.Skill2007 — 2017

Custom overclocking competitions and white-label platforms for hardware brands.

Contact

One address. It reaches both of us, and one of us answers.

Frederik de Merodestraat 50
2800 Mechelen, Belgium
// WHAT WE DO
> Java & JVM ecosystems
> Microservices & DDD
> React & modern frontend
> Cloud infrastructure (AWS)
> DevOps & CI/CD
> Security & identity (OpenID, Okta)
> Monitoring & observability
© 2026 COLARDYN ITMechelen, Belgium