Raimondas Kazlauskas
Founder at Krafit
Vilnius, Vilnius County, Lithuania
Summary
🤩
Rockstar🎓
Top SchoolRaimondas Kazlauskas is a founder and seasoned full-stack engineer with over a decade building SaaS, FinTech, e-commerce and cloud-native products across startups and enterprise clients. He has a proven track record helping companies like Couchbase and Gear4Music scale to IPO-ready products, and has shipped production systems for banks, pharmacies and telecoms using Go, React, PHP and serverless AWS architectures. Comfortable across backend, frontend and infra, he focuses on efficient delivery—claiming up to 70% faster time-to-market through Krafit's approach to product engineering. An active open-source contributor, Raimondas implemented Fowler’s Money pattern in Go and added GraphViz dependency-graph tooling to the Go ecosystem, reflecting his attention to correctness in financial and dependency logic. Based in Vilnius, he blends entrepreneurial leadership with hands-on coding and a pragmatic eye for integrating legacy systems into modern microservice and cloud workflows. He’s also known for a recursive sense of humor on GitHub, hinting at a playful, curious engineer behind the technical depth.
11 years of coding experience
8 years of employment as a software developer
Bachelor's degree E-Commerce/Electronic Commerce, Bachelor's degree E-Commerce/Electronic Commerce at Vilniaus Kolegija/University of Applied Sciences
English, Lithuanian, Russian
Stackoverflow
259reputation
19kreached
17answers
5questions
Github Skills (26)
dependency-management10
financial10
javascript10
testing10
finance10
sc10
calc10
go10
scs10
currency10
package-manager10
calculation10
graphviz10
react10
bootstrap9
Programming languages (18)
Github contributions (5)
Rhymond/product-compare-react
Jul 2017 - Apr 2022
React Example - Product Compare Page
Role in this project:
Front-end Developer
Front-end DeveloperContributions:2 releases, 27 commits, 15 PRs in 4 years 9 months
Contributions summary:Raimondas focused on building the user interface for a product comparison application using React. They implemented the core components, including the product display, comparison table, and home page. Key contributions include integrating SCSS for styling, making the application responsive, and modifying the product details and comparison features. They also refactored and pretified code.
bootstrap4reactproduct-examplejavascriptredux
Rhymond/go-money
Mar 2017 - Jul 2022
Go implementation of Fowler's Money pattern
Role in this project:Back-end Developer
Back-end DeveloperContributions:29 releases, 38 reviews, 118 commits in 5 years 4 months
Contributions summary:Raimondas contributed to the implementation of Fowler's Money pattern in Go. Their work primarily involved building the core features related to financial calculations, including comparison, addition, subtraction, multiplication, and rounding. The user also added testing functions to validate the functionality of the Money structure, covering comparisons and calculations. Furthermore, the user introduced features like IsZero, IsPositive, IsNegative, and implemented the Absolute and Negative methods.
golangcurrency-convertercurrencycurrency-exchange-ratesmoney-library
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