Назар

Nazar Kerest
FULL-STACK WEB DEVELOPER • 4+ YEARS COMMERCIAL EXPERIENCE
✉ [відкрити контакти](див. вище в блоці «контактна інформація») ☎ [відкрити контакти](див. вище в блоці «контактна інформація») • [відкрити контакти](див. вище в блоці «контактна інформація»)
🔗 [відкрити контакти](див. вище в блоці «контактна інформація») 💻 github.com/Eden22022004
📍 Ukraine (Remote / Hybrid / Relocation)

4+ PROFESSIONAL SUMMARY
YEARS
25+
PROJECTS Results-driven Full-Stack Web Developer with 4+ years of commercial experience and an established
EXP
track record of delivering over 25 successful end-to-end projects across Enterprise E-commerce, SaaS
solutions, CRM/ERP platforms, and mobile applications. Proficient in modern JavaScript/TypeScript
ecosystems (React, Next.js, Node.js, NestJS), PHP (Laravel, Symfony), Python (Django), and C#
TECHNICAL (ASP.NET). Expert in designing decoupled microservices, optimizing high-load databases, and architecting
SKILLS real-time event-driven systems. Focused on clean architecture, performance optimization, and measurable
business impact.
FRONTEND & MOBILE
JavaScript (ES6+)
COMMERCIAL EXPERIENCE
TypeScript React

Next.js React Native Senior / Lead Fullstack Developer • Sana Commerce Ukraine
Feb 2023 – Present • Enterprise E-Commerce SaaS Solutions
HTML5 / CSS3 / SCSS
Spearheaded development and architectural scaling of enterprise B2B/B2C e-commerce systems deeply
Tailwind CSS integrated with major ERP solutions (SAP, Microsoft Dynamics).
Redux / Zustand • Architected and implemented a modular microservices ecosystem using Node.js (NestJS) and Next.js /
React, decreasing product catalog page load latency by 38%.
BACKEND &
• Engineered a resilient real-time catalog synchronization engine processing over 500,000+ SKUs via
LANGUAGES
WebSockets and distributed Redis message queues.
Node.js NestJS • Built high-throughput API middleware in C# / ASP.NET and PHP (Symfony) for secure ERP financial data
exchange.
Express.js PHP
• Reduced database server load on PostgreSQL by 30% through multi-tiered caching strategies and query
Laravel Symfony indexing optimization.
Python (Django) Tech Stack: Next.js, React, TypeScript, NestJS, Node.js, PHP (Symfony), C# ASP.NET, PostgreSQL, Redis, Docker, Git.
C# / ASP.NET

ADO.NET Fullstack Developer • BGV GROUP
Jun 2022 – Jan 2023 • Enterprise Business & Industrial Management
C / C++ (Core)
Engineered internal enterprise ERP modules, automated analytics reporting pipelines, and digital document
DATABASES & ORM workflows for an industrial holding.
PostgreSQL MySQL • Developed a high-concurrency corporate financial analytics platform using C# (ASP.NET Core, ADO.NET)
and React / TypeScript, actively utilized by 300+ daily operational managers.
Redis (Queues/Cache)
• Constructed automated asset tracking and logistics backend services utilizing Laravel & PostgreSQL.
MongoDB • Enhanced enterprise security protocols by implementing granular Role-Based Access Control (RBAC) and
TypeORM / Prisma Single Sign-On (OAuth2 / JWT).
• Streamlined big-data financial report generation, reducing runtime from 45 seconds down to 3.5 seconds.
Entity Framework
Tech Stack: C#, ASP.NET Core, ADO.NET, Laravel (PHP), React, TypeScript, SCSS, MSSQL, PostgreSQL, Docker.
ARCHITECTURE &
DEVOPS
RESTful APIs

WebSockets (Real-time)

Microservices

Docker / Compose

Git / GitHub / CI/CD

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Nazar Kerest • Full-Stack Developer Resume [відкрити контакти](див. вище в блоці «контактна інформація») • [відкрити контакти](див. вище в блоці «контактна інформація»)

LANGUAGES COMMERCIAL EXPERIENCE (CONTINUED)

Ukrainian: Fullstack Web Developer • Binotel
Native (C2) Aug 2021 – May 2022 • Cloud Telephony & SaaS Ecosystems
English: Developed high-load virtual PBX web components, interactive real-time calling widgets, and CRM integration
B1+ (Intermediate+) dashboards.
Technical documentation, written
• Crafted an ultra-lightweight (<35KB bundle) real-time customer communication web widget using vanilla
business communication, daily
JS / TypeScript and modular SCSS.
Scrum meetings
• Engineered resilient backend services with Node.js / Express and PHP (Laravel) processing 100,000+
daily real-time telephony events.
• Built two-way synchronization connectors between internal telephony APIs and leading global CRM system
EDUCATION via REST & Webhooks.

Bachelor of Computer Science Tech Stack: Node.js, Express, PHP (Laravel), JavaScript, TypeScript, React, WebSockets, MySQL, Redis.
Software Engineering Major
Higher Technical Degree
Fullstack Developer • SVITAE
Mar 2020 – Jul 2021 • Custom Software & Digital Agency
Delivered end-to-end full-lifecycle development for 15+ bespoke commercial web and mobile products acros
CORE COMPETENCIES various industries.
• Delivered interactive SPAs with React / Next.js and built cross-platform mobile apps for iOS and Android
System Design & Architecture
via React Native.
Agile / Scrum / Kanban • Designed robust backend APIs in Python (Django / DRF), Node.js, and PHP (Laravel) following clean
code practices.
Problem Solving
• Achieved 95+ Google PageSpeed performance ratings by applying advanced code splitting, SSR, and
Code Review & Standards asset optimization techniques.
Team Mentoring • Participated in technical scoping, client requirements gathering, and agile sprint planning.

Clean Code (SOLID, DRY) Tech Stack: React, React Native, Next.js, Python (Django), PHP (Laravel), Node.js, MySQL, PostgreSQL, Docker, Git

High-load Optimization

SELECTED PROJECT HIGHLIGHTS (FROM 25+ DELIVERED)
TOOLS & DEVOPS • Enterprise B2B Marketplace Portal: High-throughput trading platform featuring tiered pricing, personalize
product catalogs, and real-time ERP sync (Next.js, NestJS, Redis, PostgreSQL).
Git / GitLab CI • Real-time Telephony Analytics Dashboard: Live call telemetry monitoring system with sub-second
Docker Compose WebSocket updates and interactive KPI analytics (React, TypeScript, Node.js, PostgreSQL).
• Cross-Platform On-Demand Service App: Full-featured mobile ordering and service app with live
Postman / Swagger
geolocation tracking and Stripe payment gateway integration (React Native, Django DRF).
Linux / Nginx

Redis Caching

JWT / OAuth2

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