Данил

Danil Kostin
Address: Tbilisi, Georgia Phone: [open contact info](look above in the "contact info" section) Email: [open contact info](look above in the "contact info" section)
GitHub: https://github.com/codememory1 Telegram: @danilcm
LinkedIn: [open contact info](look above in the "contact info" section)

About me
Senior Full-Stack Developer with 5+ years of commercial experience developing fintech platforms, high-load systems,
APIs. Strong expertise in PHP, Symfony, PostgreSQL, Redis, RabbitMQ, Docker, Nuxt.js, and TypeScript. Experienced in
designing scalable architectures, asynchronous processing, secure integrations, and performance-critical systems.
Passionate about Domain-Driven Design (DDD), CQRS, clean architecture, and building reliable software products.

Work experience
11/2022 – 04/2026 Senior Full-Stack Developer
Tbilisi, Georgia Confidential Fintech Company

• Designed and developed a high-load crypto P2P platform processing over 30,000 orders
daily.

• Architected scalable backend systems using PHP 8, Symfony, PostgreSQL, Redis, and
RabbitMQ for mission-critical fintech operations.

• Optimized PostgreSQL databases handling tens of millions of records and high-throughput
transactional workloads.

• Integrated blockchain infrastructure including BitGo API and UTXO-based wallet systems
for cryptocurrency deposits, withdrawals, consolidations, and transaction batching.

• Developed secure REST APIs with HMAC authentication, IP whitelisting, request validation,
and rate limiting.

• Implemented asynchronous workers, distributed services, and queue-based architectures
using RabbitMQ.

• Built payment workflows, reconciliation systems, order lifecycle automation, support
functionality, and third-party provider integrations.

• Developed internal frontend applications using Vue.js, Nuxt.js, and TypeScript.

• Participated in architecture design, performance optimization, scalability improvements,
and infrastructure planning.
02/2023 – 04/2023 Middle Full-Stack Developer
Chisinau, Moldova BPay SRL

• Maintained and enhanced an internal microservice-based reporting platform used for
automated report generation and scheduled delivery.

• Developed configurable report templates allowing administrators to create reusable report
definitions and automate reporting workflows.

• Implemented scheduled jobs, queue-based processing, background workers, and third-
party service integrations.

• Improved report generation performance and reduced manual reporting effort through
workflow automation.

• Contributed to both backend and frontend development as part of a full-stack engineering
role.
01/2022 – 09/2022 Middle Backend Developer
Remote Independent Contractor
 Work experience

• Worked as a subcontract backend developer on multiple commercial projects through an
intermediary arrangement.

• Developed backend functionality for a high-traffic online auction platform, including
business logic, feature development, and performance optimization.

• Built and maintained REST APIs, third-party integrations, and custom backend services.

• Developed a Telegram bot for a pet shop business, implementing custom workflows,
automation features, and business process integrations.

• Maintained and extended existing PHP applications, improved system reliability, and
optimized application performance.

• Collaborated with distributed teams across multiple projects in fast-paced client delivery
environments.

Skills
PHP Symfony PostgreSQL RabbitMQ
Redis Docker Laravel REST API
Microservices High-Load Systems Software Architecture Vue.js
Nuxt.js TypeScript Linux Git

Projects
03/2026 – present Founder & Full-Stack Developer
Remote Movioza

• Building a movie and TV series platform from scratch as a personal full-stack project.

• Developing backend services using PHP 8, Symfony, PostgreSQL, Redis, RabbitMQ, and
Docker.

• Implementing media sources, torrent ingestion workflows, asynchronous processing, and
background workers.

• Developing the frontend using Nuxt, TypeScript, Pinia, SSR, and modern web technologies.

• Designing domain models, business workflows, APIs, and administrative functionality.

• Applying Domain-Driven Design (DDD), CQRS, Symfony Messenger, and clean architecture
principles.

Education
09/2018 – 06/2022 Automotive Engineering | Technical Diploma
Mariupol, Ukraine Mariupol Construction Technical College

Languages
Russian Ukrainian English
Native Native Elementary