Volodymyr

DETAILS
VOLODYMYR OSMIN
SENIOR FULL-STACK ENGINEER
ADDRESS
Kyiv, Ukraine Open to remote / relocation
PROFESSIONAL PROFILE
PHONE
[відкрити контакти](див. вище в блоці «контактна інформація») Senior Full-Stack Software Engineer with 5+ years of commercial experience architecting and
delivering production-grade web and mobile applications. Specialized in React, React Native,
EMAIL
Next.js, and Node.js ecosystems with deep expertise in cloud infrastructure, third-party
[відкрити контакти](див. вище в блоці «контактна інформація»)
integrations, and API design. Proven track record of owning products end-to-end — from client
requirements and system architecture to deployment and scaling on AWS. Strong background
LINKS in direct client collaboration, technical mentoring, and cross-functional teamwork. Passionate
about clean architecture, performance optimization, and delivering measurable business
t.me/osmindev value.
[відкрити контакти](див. вище в блоці «контактна інформація»)

github.com/osmindev PROFESSIONAL EXPERIENCE

TECHNICAL SKILLS Senior Full-Stack Developer, DevelopsToday
Kyiv · February 2024 – Present
Frontend
Boutique software development studio delivering custom digital solutions for international
React, Next.js, React Native, Redux Toolkit,
Zustand, React Query, React Hook Form, clients across fintech, proptech, and IoT sectors.
TypeScript
● Architected and delivered 4+ production applications from scratch, including real-
Backend estate, fintech, and sports management platforms, owning full SDLC from
Node.js, Express, NestJS, REST API, requirements gathering to cloud deployment
GraphQL
● Designed and implemented scalable RESTful APIs and auth systems using Node.js and
Databases NestJS, ensuring secure JWT/OAuth flows and role-based access control for
PostgreSQL, MongoDB production workloads

Cloud & DevOps ● Built cross-platform mobile applications with React Native, integrating Stripe Identity
AWS (S3, Cognito, EC2), Firebase, for automated KYC verification, Mapbox for real-time geolocation, and push
Supabase, Vercel, Docker, CI/CD notification services
UI / Styling ● Developed smart EV charging platform featuring dynamic pricing algorithms, real-
Tailwind CSS, shadcn/ui, Material-UI, Ant time station availability, and payment processing, enabling seamless UX for electric
Design
vehicle owners
Testing
● Engineered finance management solution with automated PDF parsing, intelligent
Jest, React Testing Library, Cypress,
expense categorization, and interactive analytics dashboards, reducing manual data
Playwright
entry for end users
Tools
● Led direct client collaboration for international stakeholders: conducted
Git, Linux, Agile / Scrum, Jira
requirements workshops, provided technical estimations, managed sprint planning,
and delivered product demos
LANGUAGES ● Mentored 3+ junior developers through structured code reviews, pair programming
sessions, and technical onboarding, elevating team code quality and reducing review
Ukrainian
cycles
Native
● Integrated cloud infrastructure (AWS S3, Cognito, EC2) and third-party APIs (Stripe,
English
Mapbox), cutting initial setup time and enabling rapid, reliable feature delivery
C1 — Professional working proficiency
Tech: React · Next.js · React Native · TypeScript · Node.js · NestJS · PostgreSQL · MongoDB · AWS · Stripe ·
Mapbox · Docker · GitHub Actions

Front-End Developer, Scan
EDUCATION
Kyiv · January 2022 – February 2024

Bachelor's Degree in Computer Science Enterprise CRM platform specializing in large-scale data management, business analytics, and
National Aviation University, Kyiv internal process automation.

2021 – 2025 ● Developed and maintained complex CRM modules using React and Redux Toolkit,
Focus: Software Engineering, Mathematics, managing high-volume data operations with advanced filtering, real-time sync, and
Computer Science state persistence

● Engineered high-performance data tables with server-side sorting, multi-criteria
filtering, and pagination using Ant Design, ensuring smooth UX with large-scale
datasets

● Implemented interactive analytics dashboards with ApexCharts, transforming raw
business data into actionable visual insights and automated reporting for
stakeholders

● Optimized frontend performance through strategic memoization, component lazy-
loading, and render batching, significantly reducing initial load times and improving
interactivity for data-heavy views

● Designed and integrated robust authentication flows with REST APIs, ensuring secure
session management and seamless user experience across the platform

● Collaborated tightly with backend team to define efficient data contracts and API
schemas, minimizing payload sizes and improving end-to-end application
responsiveness

● Contributed to agile ceremonies including sprint planning, technical design reviews,
and retrospectives, driving continuous improvement and platform stability

Tech: React · TypeScript · Redux Toolkit · Ant Design · ApexCharts · REST API · Jest

KEY PROJECTS

Real-Estate Platform | Full-Stack Lead
End-to-end property marketplace with automated KYC verification, interactive maps, and
document management.

● Integrated Stripe Identity for compliant identity verification and Mapbox for
geospatial property search

● Architected backend with NestJS/PostgreSQL and responsive frontend with Next.js

Tech: Next.js · React Native · Node.js · NestJS · PostgreSQL · Stripe Identity · Mapbox · AWS S3

Smart EV Charging | Mobile-First Solution
Cross-platform application for EV charging network management.

● Built dynamic pricing engine and real-time availability tracking system

● Implemented payment flows and user reservation management

Tech: React Native · Node.js · NestJS · PostgreSQL

Sports League Management (Hockey) | Full-Stack
Comprehensive league management system with scheduling and statistics.

● Developed team management, match scheduling, and real-time score tracking
features

Tech: Next.js · Node.js · MongoDB

Finance & Expense Tracker | Full-Stack
Automated financial document processing and expense visualization platform.

● Engineered PDF parsing pipeline and expense categorization algorithms

● Built analytics dashboards for spending insights

Tech: Next.js · Node.js · MongoDB · AWS S3