Владислав

Vladyslav Seniuta
Full-Stack Developer
[открыть контакты](см. выше в блоке «контактная информация») [открыть контакты](см. выше в блоке «контактная информация») Odessa, Ukraine 31.07.1991 Ukraine
[открыть контакты](см. выше в блоке «контактная информация») github.com/sp1r1tt

PROFILE
I'm a full-stack developer with a strong background in delivering high-quality web applications
across various industries. I specialize in modern technologies, working extensively with HTML, CSS,
JavaScript, TypeScript, React, Next.js, Astro, WordPress. My focus is on creating performant,
accessible, and maintainable user interfaces tailored to project goals.

SKILLS
Frontend / UI State Management
•React Redux
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•Next.js Zustand
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•Astro
•JavaScript Database & Backend Integration
•TypeScript Databases: PostgreSQL (Neon, Supabase),
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•HTML Firestore, MySQL
•PHP ORM / DB Tools: Prisma ORM
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•CSS Authentication / Authorization: NextAuth
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•SCSS (Auth.js), JWT, OAuth, Supabase Auth
•Tailwind CSS
•Material UI Other Skills
•Radix UI i18n
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Zod
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Data Fetching & API Iron Session
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SSR
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Git
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SSG
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Postman
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ISR
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Webpack
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Route Handlers
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Docker
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SWR
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Wordpress (Headless CMS)
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REST API
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GraphQL
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Axios
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Fetch API
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Testing
•Jest
•Mocha
•Playwright

Vladyslav Seniuta [открыть контакты](см. выше в блоке «контактная информация») 1/5
 PROFESSIONAL EXPERIENCE
08/2025 – Present 6Weeks Marketing Remote
Full-Stack Developer
•Developed full-stack web applications using React,
Next.js, and TypeScript, focusing on performance,
scalability, and maintainability.
•Built custom WordPress solutions, including theme,
plugins development.
•Worked extensively with Next.js backend, implementing
API routes, server-side logic, authentication, payment
systems, and secure data processing.
•Integrated databases such as PostgreSQL, MySQL and
Upstash (Redis) for data storage, caching, and real-time
features.
•Integrated marketing and analytics tools (CRM, tracking
pixels, marketing APIs), improving campaign
effectiveness and conversion tracking.
•Designed and developed reusable UI components using
Tailwind CSS, ShadCN, and MUI, ensuring consistent
design across projects.
•Optimized website performance (Core Web Vitals),
resulting in faster load times and higher Lighthouse
scores.
Tech stack: React, Next.js (Frontend & Backend),
TypeScript, Tailwind CSS, ShadCN, MUI, WordPress, PHP,
REST APIs, PostgreSQL, Upstash, MySQL, Git

10/2024 – 02/2025 InsideDynamic GmbH Mannheim,
Front-End Developer (Remote) Germany
• Developed dashboards and websites using React,
Next.js, JavaScript, TypeScript, Zustand, MUI,
Wordpress.
•Improved component performance, reducing render
time and increasing application responsiveness.
•Worked with reusable UI libraries for best creating
design.
•Integration with REST APIs in web applications.
•Tech stack: React, Next.js, TypeScript, Zustand, MUI,
HTML/CSS, PHP, REST APIs, Git, Wordpress.

01/2020 – 05/2024 Upwork Worldwide
Web developer, website administrator
Developed websites and applications for clients
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worldwide.
Worked with React, Next.js, front-end and back-end
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parts.
Created custom plugins and themes for WordPress,
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improved speed and SEO.
Migrated websites, provided long-term maintenance
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and support.
Managed the full development cycle: planning → coding
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→ optimisation → deployment.

01/2022 – 01/2024 HackerOne, Bugcrowd Worldwide
Independent Security Researcher (Remote)
Participated in multiple private and public bug bounty
programs.
Reported critical web vulnerabilities (XSS, SQL, Open
Redirects, SSRF).
Vladyslav Seniuta [открыть контакты](см. выше в блоке «контактная информация») 2/5
 Helped improve the security of major web platforms.

02/2020 – 12/2020 Manufaktura Odessa, Ukraine
WordPress Developer, Prestashop Administrator
Developed and provided technical support for an online
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clothing store powered by WordPress (WooCommerce)
from scratch, including responsive layout, catalog
setup, filters, shopping cart, and checkout.
Connected and configured payment gateways (LiqPay,
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WayForPay), delivery services (Nova Poshta, Justin), and
integrated with 1C to synchronize inventory and orders.
Modernized an existing PrestaShop store: I optimized
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the theme, redesigned the category structure.

01/2015 – 08/2015 Akulyushin Odessa, Ukraine
WordPress Developer
Developed and launched several high-converting
websites for seafood and dried fruit exporters.

PROJECTS
03/2025 – 04/2025 Beatstore
Beatstore is a full-featured e-commerce platform built for music producers
to sell their music online.
The platform integrates with WordPress/WooCommerce for content
management and payment processing, offering a seamless user experience
with features like audio playback, cart management, user authentication, and
more.
Technologies Used:
Next.js, TypeScript, Tailwind CSS, ShadCN UI, Lucide React, Iron-Session,
GraphQL, Axios, Wordpress, Woocommerce, Paypal API, Contact Form 7 API,
If you need a website using these technologies, write to me.

03/2025 – 03/2025 SpectreXSS
XSS Vulnerability Scanner
SpectreXSS is a modern web application designed to scan websites for
potential Cross-Site Scripting (XSS) vulnerabilities. Built with cutting-edge
technologies, it provides a user-friendly interface for security professionals
and developers to identify and mitigate Reflected XSS risks.
Technologies Used:
Frontend Framework: Astro - A modern static site generator that allows for
fast, optimized websites.Styling:
Tailwind CSS - A utility-first CSS framework for rapid UI development.
State Management:
React Hooks (useState, useEffect) - For managing component state and side
effects.
Playwright: A browser automation library used for testing URLs by emulating
a real browser environment to detect XSS vulnerabilities.
Astro API Routes: - For handling server-side logic.
Astrojs/node: For create a standalone server.
Toast Notifications: Sonner - A lightweight toast notification library.
Radix UI: Radix UI - Unstyled, accessible UI primitives for building design
systems.
React: - JavaScript library for building user interfaces, integrated with Astro
for dynamic components.
React Bits: Library with animated UI components.

Vladyslav Seniuta [открыть контакты](см. выше в блоке «контактная информация») 3/5
08/2024 – 08/2024 Jammming
React Spotify Application
•Spotify Login — the first time a user searches for a song, album, or artist,
Spotify will ask them to log in or set up a new account. You will need to
follow the steps in the Spotify Developer Guide to register your
application.
•Search by Song, Album, or Artist — a user can type the name of a song,
artist, or album into the search bar and click the SEARCH button.
•Populate Results List — Jammming displays the list of returned tracks from
the user’s query.
•Add Song to a Custom Playlist — users can add a track to their playlist by
selecting a + sign on the right side of the track's display container.
•Remove Song from Custom Playlist — users can remove a track from their
playlist by selecting a - sign on the right side of the track's display
container.
•Change Playlist Title — users can change the title of their custom playlist.
•Save Playlist to Account — users can save their custom playlist by clicking a
button called SAVE TO SPOTIFY.

09/2019 – 10/2019 Echotag (Wordpress)
Interaction Platform
ECHOTAG Platform provides call-for-action features to mobile user to
increase CTR and ROI in advertising by improving engagement and
collecting post-delivery feedback on mobile content such as ads, news and
video.
The Platform has been created to improve engagement and collect post-
delivery feedback on mobile content such as ads, news and video by
providing one-touch interactivity features to the mobile user.

07/2022 – 08/2022 Meji Media (Wordpress)
Events Group
Award winning events company serving tens of thousands of customers a
year hosting events & experiences in over 60 countries.

Santi Dhamma (Wordpress)
Santi Dhamma is a small organization that was started in 2015 with the sole
purpose of offering a space in the Netherlands for teaching and practicing
Vipassana meditation in the tradition of the most Venerable Phra Ajahn Tong
Sirimangalo.

Transformation Team (Wordpress)
A team of wellness consultants dedicated to transforming workplaces into
thriving environments where employees thrive. Focus on holistic wellbeing,
encompassing mental, emotional, physical and social health.

EDUCATION
04/2008 – 07/2011 Telecommunications Systems Engineer Odessa, Ukraine
Odessa National Academy Of Communications

COURSES
05/2022 – 09/2024 Front-End Engineer New York,
Codecademy United States
Learning skills include: HTML, CSS, Javascript, React,
Redux, Git.

Vladyslav Seniuta [открыть контакты](см. выше в блоке «контактная информация») 4/5
05/2022 – 05/2022 Wordpress certification
TemplateMonster
WordPress certification is a popular way to demonstrate
your skills as a WordPress developer.

03/2022 – 09/2022 Penetration Testing, Threat Hunting, and
Cryptography
IBM
Hands-on experience applying the principles of
penetration testing using tools, such as OWASP ZAP and
SNYK.

LANGUAGES
English Russian
Ukrainian

Vladyslav Seniuta [открыть контакты](см. выше в блоке «контактная информация») 5/5