High freedom, high ownership environments creating products in interesting industries
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Looking for a job
Arkadiusz Pasek
@arkadiuszpasek
I build scalable TypeScript backends, real-time APIs, and reliable full-stack products.
PolandWhat I'm looking for
I've built social, blockchain gaming, trading, HR management, customer journey, and customer support products at MemeFi, KiwiHR, and Closer.
At MemeFi, I implemented OAuth 2.0 and blockchain-cryptography authorization flows, introduced AWS Redis OSS ElastiCache pub/sub for multi-instance backend APIs, and designed PostgreSQL structures, partitions, and indexes to reduce AAS load. I also planned and shipped GraphQL and WebSocket features and integrated services including Telegram, Privy, CoinMarketCap, CoinGecko, Pyth, Mailgun, Keitaro, and Irev.
At KiwiHR, I improved a growing React application through Storybook, reusable component structures, TypeScript practices, and a migration to Jest and React Testing Library. I partnered with design on responsive interfaces implemented from Figma designs.
Earlier at Closer, I extended Scala microservices, built Kafka and Redis event flows, delivered React interfaces, and improved observability with Metabase and Grafana dashboards. My foundation also includes C# and .NET development and software testing.
Experience
Work history, roles, and key accomplishments
ME
Back-End Developer
MemeFi
Apr 2024 - Jul 2026 (2 years 3 months)
Implemented OAuth2.0 and custom authorization flows using blockchain cryptography. Introduced pubsub events module with AWS Redis and RxJS, and designed SQL database structures with TypeORM.
KI
Front-End Developer
KiwiHR
Jul 2022 - Apr 2024 (1 year 9 months)
Improved reusability and maintainability by bootstrapping Storybook and setting component structures. Elevated code quality by refactoring legacy JavaScript modules and establishing TypeScript practices.
CL
Fullstack Developer
Closer
Aug 2020 - Dec 2022 (2 years 4 months)
Built full-stack features by extending Scala backend microservices, designing SQL schemas, and implementing Kafka event streams and Redis pub/sub. Constructed key React interfaces and refactored legacy modules.
Education
Degrees, certifications, and relevant coursework
AGH University of Science and Technology
Bachelor of Engineering, Computer Science
2018 - 2022
Pursued a Bachelor of Engineering in Computer Science, awarded a scholarship for great GPA during the first academic year.
Availability
Looking for a job
Location
PolandAuthorized to work in
Salary expectations
82k-96k USD
Skills
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