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Dr. Viliam Simko

Dr. Viliam Simko

Mentor
5.0
(1 reviews)
US$31.00
For every 15 mins
1
Sessions/Jobs
ABOUT ME
Senior full-stack developer with 20+ years of experience.
Senior full-stack developer with 20+ years of experience.

Type-safety all the way down.

Worked in fintech and ecommerce (+ lecturer at a university and a startup founder). Strong background in frontend (Typescript, React and Vue), backend (Typescript/Scala, Node.js, GraphQL) and scalable data processing (Scala, Apache Spark, Kafka).

Czech, German, Slovak, English
Berlin (+02:00)
Joined October 2022
EXPERTISE
React
5 years experience
Apache Spark
7 years experience
Scala
7 years experience
In projects oriented towards data processing.
In projects oriented towards data processing.
Apache Spark
Apache Spark
Vue.js
5 years experience
TypeScript
TypeScript
SQL
10 years experience
Data modeling
10 years experience

REVIEWS FROM CLIENTS

5.0
(1 reviews)
Syed Shoaib
Syed Shoaib
December 2022
Very helpful and informative
SOCIAL PRESENCE
GitHub
rroad
R Package: Road Condition Analysis
R
12
4
node-graphql-constraint-lambda
GraphQL 'constraint' directive written in functional programming style
JavaScript
11
5
Stack Overflow
1661 Reputation
0
17
31
Community Posts
Best way to enforce type-safety at runtime in Typescript.
This blog post explores Zod, a TypeScript-first schema validation library that enables robust runtime type-checking. Learn how Zod helps developers enforce type safety, catch errors early, and build more reliable TypeScript applications.
How to make joins in Spark Dataset API more type-safe.
Simplify type-safe outer joins in Apache Spark. Discover practical tips and advice for optimizing your code, overcoming common challenges, and take your Spark development skills to the next level.
1