Kalvis Kalniņš
DevOps Engineer at airBaltic
Latvia
Summary
👤
Senior🎓
Top SchoolKalvis Kalniņš is a DevOps engineer based in Latvia with 11 years of practical IT experience and a background that spans system operations, teaching, and software development. Currently at airBaltic after progressing from junior and internship roles, he focuses on reliable infrastructure and automation while pursuing a Master’s in Information Technology. A self-taught programmer who enjoys problem-solving, he has contributed to notable open-source projects in the blockchain space—improving Stellar and LedgerJS libraries—and helped refine TypeScript definitions in DefinitelyTyped. His career uniquely blends classroom experience and hands-on support roles, giving him strong communication skills and a user-focused approach to systems engineering. Persistent and adaptable, he aims to make a measurable impact in education and finance by improving tooling and processes where they fall short.
11 years of coding experience
1 year of employment as a software developer
Master's degree, Information Technology, Master's degree, Information Technology at Rīgas Tehniskā universitāte (Riga Technical University)
Latvian, English
Stackoverflow
679reputation
45kreached
7answers
1question
Github Skills (27)
javascript10
python10
typescript10
bitcoin10
bitcoins10
type-definition10
sdk10
typescript-types10
blockchain10
stellar10
typescripts10
api-design9
apidoc9
horizon9
wallet9
Programming languages (21)
Github contributions (5)
StellarCN/py-stellar-base
Nov 2015 - Jun 2016
Stellar client library for the Python language
Role in this project:
Back-end Developer
Back-end DeveloperContributions:27 commits, 16 PRs, 3 pushes in 7 months
Contributions summary:Kalvis primarily contributed to the sample code within the repository, fixing naming conventions and improving its functionality. Their changes included adding the ability to announce transactions to a testnet horizon and merging conflicting changes from the main branch. The modifications involved working with payment operations, transaction envelopes, and keypair signing, demonstrating an understanding of the Stellar blockchain library's core components.
horizonpythonclient-libraryblockchainsdk
DefinitelyTyped/DefinitelyTyped
Dec 2018 - Nov 2019
The repository for high quality TypeScript type definitions.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:43 commits, 10 PRs, 11 comments in 10 months
Contributions summary:Kalvis contributed to the definition files for the stellar-sdk library, implementing improvements and refactoring code. They made changes to the index.d.ts file, updating the type definitions and fixing issues related to FastSigning, hash, sign, and verify functions. The user also moved specific code elements into appropriate namespaces and introduced new features like conditionally typed BalanceLines and Memo namespaces. Tests were also added and updated to validate the new functionality.
typescript-definitionstype-definitionshigh-qualitydtsdefinitions
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