Freelancer Yevhenii Z. (web Programming, databases & SQL) ≡ Exia

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Information Portfolio 7

Yevhenii Z.
Svetlovodsk, Ukraine
0 0
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Rating 172

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RESTful web developer golang Amazon AWS Rust back-end/front-end grpc Redis / PostgreSQL / MySQL

$Admin panel — fractal architecture, Zustand, shadcn/ui$

0 98

Admin panel — fractal architecture, Zustand, shadcn/ui

Web Programming

Dashboard with strict fractal architecture - unidirectional dependencies of layers. Layer lib: Axios client, factory for scoped Zustand store. Domain modules: API with mapping DTO→Entity, stores with Immer, separate selectors. Features: business…

0 105

Task Management API — Events, Queues, Form Requests

Web Programming

REST API for managing projects and tasks with event-driven architecture. Nested resources with filtering and pagination. Validation through Form Request. The TaskCompleted event triggers a listener that sends the task notification to the Redis queue…

0 106

WebSocket/SSE/REST bridge for CLI utilities

Web Programming

Web API bridge in Go, opening CLI utilities through three transports. REST for synchronous execution, WebSocket for bidirectional real-time streaming, SSE for streaming output delivery. Created for integrating software without web interfaces into…

0 89

Notification microservice — Messenger + RabbitMQ

Web Programming

Asynchronous notification microservice: email, SMS, Telegram, Slack. Notifications are stored in PostgreSQL, sent to RabbitMQ via Symfony Messenger. A separate worker processes the queue, routing through channels via match. Email through Symfony…

0 91

Payments API — Stripe, JWT authorization, Redis cache

Web Programming

REST API with full cycle Stripe payments: creating checkout sessions, processing webhook with signature verification, tracking statuses. JWT authentication via Passport. Payment history in PostgreSQL through TypeORM, paginated output. Caching…

0 110

Translation in English: Translation service — Idempotency, Outbox, Circuit Breaker

Web Programming

Money transfer service in Go with system design patterns. Idempotency keys guarantee exactly-once on retries through SELECT FOR UPDATE with response caching. Business data and events are written in a single serializable transaction via Transactional…

Examples

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Examples

Web Programming

Examples based on pet projects

Yevhenii Z.
Svetlovodsk, Ukraine
0 0
Available for hire

Projects -
Rating -
Rating 172

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Українська: Fluent
Русский: Fluent
English: Intermediate

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Web Programming

Databases & SQL

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Programming

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