Anastasia – JavaScript, Typescript, React, experts in Lemon.io

Anastasia

From Poland (UTC+3)flag

Full-stack Web Developer|Senior
Mobile Developer|Senior
Lemon.io stats
3
projects done
9567
hours worked

Anastasia – JavaScript, Typescript, React

Anastasia is a senior full-stack developer with 7+ years of experience building high-quality mobile and web applications. She brings strong expertise in React, React Native, Next.js, Node.js, and TypeScript, allowing her to take ownership across the entire development lifecycle. Anastasia has delivered impactful products in various domains, including health tech, fintech, personal development, smart home systems, Web3, and data analytics. She is known for her adaptability and fast learning speed; she quickly integrates into new environments and contributes to both product strategy and technical execution. With strong cross-platform experience and a problem-solving mindset, she is an excellent fit for teams looking to scale their mobile or full-stack capabilities.

9 years of commercial experience in
Blockchain
Cloud computing
Cybersecurity
Entertainment
Healthcare
Hospitality
Smart home
Mobile apps
Web development
Main technologies
JavaScript
7 years
Typescript
7 years
React
7 years
React Native
4 years
Firebase
3 years
Node.js
3 years
AWS
2 years
Next.js
3 years
Additional skills
Redux
Tailwind CSS
Express.js
Nest.js
PostgreSQL
Stripe API
PayPal Api
ElasticSearch
Apollo GraphQL
Unit testing
Socket.io
Twilio API
NoSQL
Cypress
Gatsby.js
MongoDB
Web Sockets
SQL
Apollo Client
GraphQL
REST API
Material UI
Jest
Smart contracts
Expo
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Experience Highlights

Full-stack developer
May 2023 - Apr 20251 year 10 months
Project Overview

A platform designed to inspire and enhance self-perception by helping users set and achieve personal goals. It offers a user-friendly journaling tool, live coaching sessions, personal development courses, and challenges to improve various life skills. Users can track their own progress and stay updated on the achievements of other participants.

Responsibilities:
  • Built a high-performance mobile application using React Native;
  • Leveraged React Native to create a dynamic journaling tool;
  • Created interactive challenges and tools for skill improvement;
  • Ensured seamless integration of live coaching sessions within the app.
Project Tech stack:
AWS
React
Next.js
GraphQL
React Native
Full-stack developer
May 2022 - May 20231 year
Project Overview

Tendable is a versatile platform designed to help health and social care organizations enhance quality by harnessing the full potential of their teams. The platform supports both new patients and online clinics by enabling efficient tracking of patient health through customizable tests and surveys.

Responsibilities:
  • Developed a mobile application using React and Apollo Client;
  • Implemented GraphQL APIs to streamline data retrieval and ensure seamless integration;
  • Utilized NextJS to enhance the platform’s performance and scalability;
  • Utilized innovative mobile development techniques to create a platform.
Project Tech stack:
React Native
AWS
Node.js
Typescript
Full-stack developer
Aug 2021 - May 20229 months
Project Overview

Denizen is a modern app designed to help users discover and reserve ideal workspaces in Berlin's Kreuzberg and Mitte areas. Combining co-working, leisure, and community services, it offers flexible options for studying, working, or hosting meetings. Users can seamlessly book spaces, pay for meals and drinks, and stay updated on events.

Responsibilities:
  • Implemented AI-driven personalized recommendation systems, improving user experience;
  • Developed chatbot and voice assistant features to assist customers in purchasing art;
  • Optimized the mobile app for performance and speed;
  • Enhanced the app's UI/UX, making it more intuitive and user-friendly.
Project Tech stack:
React Native
Typescript
AWS
Next.js
Full-stack developer
May 2020 - Aug 20211 year 3 months
Project Overview

HYYP Home provides 24/7 remote access for monitoring and managing your home or business, delivering enhanced control, awareness, and peace of mind. Key features include secure multi-site management via smartphone, flexible arming and disarming, zone bypassing, user management, and real-time event notifications.

Responsibilities:
  • Developed a robust mobile application enabling 24/7 remote access for monitoring businesses;
  • Implemented secure multi-site management features;
  • Integrated flexible functionalities such as arming/disarming, zone bypassing, and user manag;
  • Optimized real-time event notification systems, ensuring users receive instant update.
Project Tech stack:
React Native
Node.js
Typescript
PostgreSQL
Full-stack developer
Jul 2019 - May 202010 months
Project Overview

The Laudcast is a random humor podcast where the author showcased his talent as a full-stack developer and a versatile voice artist. The platform delivers quirky content featuring a variety of amusing accents, blending tech innovation with entertainment. We built the backend for seamless streaming and the frontend for an engaging user experience.

Responsibilities:
  • Built a robust backend architecture enabling seamless streaming;
  • Developed an engaging user-friendly UI that enhanced audience interaction and accessibility;
  • Integrated user profile settings and preferences for a tailored listening experience;
  • Integrated analytics tools to track listener engagement and provided actionable insights.
Project Tech stack:
React Native
Typescript
Firebase
AWS
Full-stack developer
Jan 2018 - Jun 20191 year 5 months
Project Overview

Novadash is a powerful data visualization and analytics platform that empowers businesses with real-time insights. Designed for all users, it transforms raw data into customizable dashboards and interactive charts. With seamless integration, collaboration tools, and robust security, Novadash supports smarter decision-making across industries.

Responsibilities:
  • Developed and optimized a cloud-based platform for Novadash, enabling real-time data visuali;
  • Implemented seamless integration with multiple data sources;
  • Designed and delivered customizable dashboards and interactive charts;
  • Built collaborative features such as team sharing and commenting on metrics.
Project Tech stack:
GraphQL
React
Next.js
Smart contracts
Full-stack developer
Jan 2017 - Dec 20181 year 11 months
Project Overview

MetaWealth is a Web3-based investment platform offering fractional ownership in real estate properties that generate passive income. It democratizes wealth-building by providing access to sustainable investments in real assets. Users can explore curated opportunities, invest in premium properties, and earn regular rental yields along with long-term asset appreciation.

Responsibilities:
  • Built a Web3 platform for secure fractional real estate investments;
  • Enabled users to track income and asset growth seamlessly;
  • Optimized the platform for scalability and data security;
  • Developed tools fostering investor education and collaboration.
Project Tech stack:
React
AWS
Typescript
Node.js

Education

2013
Software Engineering
Bachelor's degree

Languages

English
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