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Андрій

Програміст Golang

City of residence:
Chernivtsi
Ready to work:
Lviv

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Andrii Onufriichuk
Backend software developer

EXPERIENCE
Technologies
Golang Developer - Finray - 19 months Golang, gRPC, Gorm, Redis,
September 2024 – now RabbitMq, TDD, Docker, Varnish,
Implemented currency exchange fees, tariffs, and deposit flow. The project React, ElasticSearch, Datadog
began as a monolith and evolved into a distributed monolith architecture.
PostgreSQL, CI/CD, Linux,
Contributed to architectural design and led the refactoring toward a
service-based structure with reusable modules, repository patterns, Mysql/ MariaDb, MongoDB,
and well-defined interfaces. Prometheus, Graphana,
Developed mandatory unit and end-to-end tests, integrated Grafana
Shell scripting, Unit tests
and Prometheus for alerting and monitoring, improved code quality
by using linters, deployment pipelines and automated testing. SOLID, DRY, YAGNI, KISS

Golang Developer – Rvvup - 18 months Magento 2.1 — 2.4.7
November 2022 - September 2024

Development of concurrent backend API used by over 50 merchants
for payments. Integrations with: Paypal, Yapily, Clearpay, Apple Pay.

Magento Developer – Rvvup - 6 months
Development of magento module for integration Certifications
With rvvup backend.
Adobe Commerce Professional
Magento Developer - 38 months Highload Software Architecture
Architected and deployed seamless integrations for :
Shipping, Payment Gateways, and ERP systems.

Developed high-performance GraphQL and RESTful APIs
to support headless architectures and third-party service communications.

Served as a Site Reliability Engineer (SRE), leveraging Docker
Languages
for environment parity and optimizing Elasticsearch clusters
to improve storefront search relevancy and speed.
English - Upper-Intermediate
Successfully collaborated within cross-cultural, distributed teams across
the US and Europe, adapting to diverse workflows and agile methodologies.
French - Intermediate
Managed site uptime and scalability for high-traffic international merchants,
focusing on proactive monitoring and automated recovery.
Ukrainian - Native

Contacts :

[open contact info](look above in the "contact info" section)
EDUCATION
[open contact info](look above in the "contact info" section)
Master’s degree, Labor training and technology— CHNU 2022 - 2024 andrij-onufrijchuk/

Bachelor’s degree, Computer science — CHNU 2018 - 2022

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