Danila Varatyntsev
Lead Software Engineer at EPAM Systems
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolDanila Varatyntsev is a Lead Software Engineer based in Warsaw with 9 years of hands-on experience designing and delivering high-performance Java back-end systems at EPAM. He specializes in performance tuning and reducing system complexity, with a practical knack for turning intricate distributed problems into maintainable solutions. A proven contributor to the Redisson Redis Java client, he implemented and hardened a spin-lock with back-off strategies and edge-case tests, reflecting attention to concurrency and reliability. He progressed rapidly through engineering ranks at EPAM, combining individual contributor depth with people development—formerly an ex-core contributor at MJC School. Colleagues know him as a pragmatic coach who balances code craftsmanship with mentoring to help others grow.
9 years of coding experience
6 years of employment as a software developer
Bachelor's degree, Computer Programming/Programmer, General, Bachelor's degree, Computer Programming/Programmer, General at Belarusian State University of Informatics and Radioelectronics
Russian, English
Github Skills (17)
exponential-backoff10
redis10
key-value10
locking10
java10
javas10
backup10
backup-strategies10
locks10
concurrent9
caching9
concurrent-programming9
concurrency9
disk-cache9
object-cache9
Programming languages (4)
Github contributions (5)
redisson/redisson
Jan 2021 - Jan 2021
Redisson - Valkey and Redis Java client. Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 commits, 2 PRs, 15 comments in 5 days
Contributions summary:Danila primarily focused on implementing and refining a spin lock mechanism within the Redisson library, a Java client for Valkey and Redis. Their contributions involve the creation and modification of the `RedissonSpinLock` class, implementing back-off strategies and addressing comments for improved functionality. They added new methods and fixed edge cases with associated unit tests, and made code improvements, adhering to the design of the library.
jedismemoryrpclockredis-sentinel
mjc-school/parser-shared
Apr 2023 - Sep 2023
Shared util classes for parsing java files
Contributions:12 releases, 16 PRs, 22 pushes in 5 months
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