Karthik Iyengar
Co-Founder at We Build Products
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolKarthik Iyengar is a seasoned software engineer and co-founder based in Berlin with 11 years of experience building resilient, performance-focused products for fintech and commerce. He has driven platform architecture and scalability at Shopify POS and led cross-organizational initiatives at Klarna, combining hands-on engineering with stakeholder and interim leadership. His background spans frontend design systems, data-heavy real-time UIs, and backend API performance improvements—plus practical startup experience from freelance ventures to founding product teams. An active contributor to functional programming tooling, he’s added predicates, tuple support and safer Maybe utilities to the crocks library, showing a taste for robust, type-inspired abstractions. Persistent about developer productivity, he has a track record of streamlining CI and templating workflows to accelerate delivery while maintaining compliance and reliability.
11 years of coding experience
10 years of employment as a software developer
Masters in Computer Applications (MCA), Masters in Computer Applications (MCA) at Vivekanand Education Society's Institute Of TechnologyBachelor of Science (B.Sc.) Information Technology, Bachelor of Science (B.Sc.) Information Technology at Vivek College of Commerce
English, Hindi, Marathi, Tamil, German
Stackoverflow
584reputation
24kreached
4answers
7questions
Github Skills (13)
testing10
javascript10
functional-programming10
composition10
monoid9
monads9
currying8
angularjs6
asynchronous6
async-await6
css6
controller6
angularjs-directive6
Programming languages (20)
Github contributions (5)
evilsoft/crocks
Feb 2018 - May 2020
A collection of well known Algebraic Data Types for your utter enjoyment.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 19 commits, 20 PRs in 2 years 3 months
Contributions summary:Karthik contributed significantly to the `crocks` library by adding and modifying predicate functions. Their work involved implementing `propEq` and `propPathEq` predicates, including tests and documentation. They also added the `safeAfter` function to the `Maybe` module and implemented equals methods for several Monoid types and added a Tuple type. Finally, they addressed and fixed multiple issues including error prevention and support for arbitrarily sized tuples.
compositioncurryfunctorinheritanceenjoyment
karthikiyengar/portfolio
May 2017 - Jan 2023
kiyengar.net
Contributions:15 commits, 28 pushes, 8 branches in 5 years 9 months
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