Heinrich Filter
Senior Software Engineer at Intelligent Routing Products
Cape Town, Western Cape, South Africa
Summary
👤
Senior🎓
Top SchoolHeinrich Filter is a senior software engineer and entrepreneurial technologist with nearly two decades of experience building full-stack, data-driven systems and delivery pipelines. As Co-founder of Intelligent Routing Products he designed vehicle-routing and real-time tracking platforms (React, Python, Android, MongoDB, AWS) and now applies that operational mindset at Paystack. His background spans startups and hyperscale cloud at AWS, plus hands-on delivery roles improving CI/CD, performance and observability across Java, JavaScript, PHP and Python stacks. Heinrich emphasizes measurable outcomes—instrumenting metrics, automation and cleaner code—and has contributed backend quality improvements to the open-source jsprit vehicle-routing toolkit. Known for leading by example, he combines technical leadership with deep refactoring and tooling experience to make teams faster and systems more maintainable. Based in Cape Town, he pairs academic grounding (BIT, MIT) with a pragmatic bias for shipping reliable, testable software.
12 years of coding experience
15 years of employment as a software developer
Bachelor's in Information Technology (BIT), Bachelor's in Information Technology (BIT) at University of Pretoria 
English, German, Afrikaans
Stackoverflow
6,000reputation
1.0mreached
59answers
10questions
spring-mvc
top-5%
amazon-ec2
top-1%
amazon-web-services
top-1%
visual-studio-code
top-5%
Github Skills (21)
algorithm10
vehicle-routing-problem10
amazon-web-services10
java10
javas10
amazon-ec210
visual-studio-code9
servlet9
spring-mvc9
logging9
refactoring9
xml9
testing8
eclipse6
jestjs6
Programming languages (8)
Github contributions (5)
graphhopper/jsprit
Aug 2015 - Jun 2017
jsprit is a java based, open source toolkit for solving rich vehicle routing problems
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 commits, 7 PRs, 9 comments in 1 year 10 months
Contributions summary:Heinrich primarily focused on improving the code quality and maintainability of the project, jsprit. Their contributions involved updating logging statements to use parameter substitution and refactoring code to replace `System.exit()` calls with runtime exceptions. They also added a method to read VrpXml from InputStream, which likely enhances the flexibility of the project's input handling. The user's work further included refactoring and consolidating code, indicating a focus on code cleanliness and ease of use.
starcraftvrpsolvingproblemsrouting
HeinrichFilter/wuff
Aug 2015 - Jun 2022
Gradle plugin for automating assembly of OSGi/Eclipse bundles and applications
Contributions:2 PRs, 1 branch in 6 years 11 months
gradlegroovyosgieclipseaem
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