Matt Janssen
Lead Software Engineer at CleverConnect
Munich, Bavaria, Germany
Summary
👤
Senior🎓
Top SchoolMatt Janssen is a Lead Software Engineer based in Munich with 15 years of experience turning MVPs into scalable, enterprise-grade SaaS products and guiding teams through architecture, deployment, and support. He blends hands-on engineering—PHP, microservices, Kubernetes, and API design—with strong product instincts, having driven monolith-to-microservice roadmaps and reusable internal SDKs. As a pragmatic technical leader he prioritizes technical debt, defines cross-team standards, and mentors junior and mid-level engineers to raise team delivery. His long career spans e-commerce scaling, high-traffic HA systems, and practical DevOps automation, plus an early international stint teaching tech in Tanzania that shaped his collaborative style. Matt also contributes to the Symfony documentation, improving clarity and even flagging a potential security issue, signaling attention to detail beyond code. He’s known for building enjoyable engineering cultures—often around good coffee—and turning fuzzy requirements into well-scoped, supportable solutions.
15 years of coding experience
8 years of employment as a software developer
High School Diploma, High School Diploma at Maple Grove Senior High SchoolBachelor's Degree, Management Information Systems, Bachelor's Degree, Management Information Systems at Luther College
Stackoverflow
1,573reputation
839kreached
18answers
3questions
Github Skills (15)
php10
documentation10
symfony10
symfony-ux10
security9
rackspace6
nginx6
javascript6
baseurl6
redirect6
ubuntu6
rest-api4
api-rest4
restful-api4
api-design4
Programming languages (13)
Github contributions (5)
symfony/symfony-docs
Oct 2014 - Jun 2018
The Symfony documentation
Role in this project:
Technical Writer
Technical WriterContributions:4 commits, 4 PRs, 9 comments in 3 years 8 months
Contributions summary:Matt primarily contributed to the documentation of the Symfony framework. Their commits include fixing typos, correcting grammatical errors, and adding new sections to the documentation, such as the `RequestPayloadValueResolver` section. The user also identified and addressed a potential security issue in the custom authentication documentation. Overall, their work focused on improving the clarity, accuracy, and completeness of the Symfony documentation.
bundlephpsymfonysymfony-bundle
mattjanssen/gson-php
Apr 2017 - Mar 2021
Gson implemented in PHP
Contributions:16 pushes, 7 branches in 3 years 11 months
gsonphpjson
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