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Anastasiia S.

Anastasiia S.

Backend developer | Python Developer | Web Developer

🚀 I’m a Python Backend Developer with experience in both commercial and personal projects, specializing in building reliable and scalable backend systems for modern web applications. As a Backend Developer and Python Developer, I focus on creating RESTful APIs, integrating external services, and developing backend solutions that support real business needs. My goal is to build systems that are stable, maintainable, and ready for growth from the early stages of a product. 💡 My core expertise includes Python, Django REST Framework, FastAPI, and SQLAlchemy. As a Python Developer, I design and develop RESTful APIs, implement business logic, and ensure clean architecture across backend systems. As a Backend Developer, I focus on writing structured, readable code and delivering solutions that are easy to scale and maintain over time. I also understand how backend systems interact with frontend applications, ensuring smooth communication and efficient data flow. 🧩 I have hands-on experience working with PostgreSQL, SQLite, and asynchronous programming. As a Backend Developer, I design database schemas, optimize queries, and ensure data consistency across applications. I also use Docker and CI/CD pipelines to streamline development and deployment processes, making it easier to maintain stable and predictable environments. I aim to choose the most practical tools based on project requirements. ⚙️ I have worked on integrating third-party and external APIs, including AI-powered services, into backend systems. As a Python Developer, I ensure that integrations are reliable, secure, and well-documented. I also have experience working with Keras and understand machine learning fundamentals, which helps me contribute to projects involving data-driven features and AI functionality. 🌐 My experience also includes browser automation and web scraping using Selenium, allowing me to build data collection and automation tools for various business needs. I pay close attention to performance, error handling, and system resilience when developing such solutions. 🔧 I participated in a CRM data migration project, including migrating data from ServiceFusion to JobNimbus. As a Backend Developer, I ensured data integrity, synchronization, and a smooth transition between systems while processing substantial volumes of business data. I understand how critical accurate data handling is for business operations and approach such tasks with precision and responsibility. 📈 Beyond implementation, I work as a Backend Developer who understands product development and team collaboration. I have experience with Git workflows, debugging, deployment, and supporting ongoing product improvements. I also contribute to discussions around system design and decisions that affect the overall product architecture. 🛠️ My services include backend development with Python, API development with Django REST Framework and FastAPI, database design and optimization, third-party API integration, automation scripts, web scraping, Docker setup, CI/CD pipeline configuration, AWS deployment, and ongoing backend support. I focus on delivering solutions that are practical, efficient, and aligned with real-world use cases. 🤝 If you need a Backend Developer or Python Developer who can build reliable backend systems, integrate external services, and support your product long-term, I’m ready to help. I work with attention to detail, clear communication, and a consistent problem-solving approach. 🎯 I am committed to continuous learning and improving my technical skills, keeping up with modern backend technologies and best practices whenever possible. My goal is to build backend systems that not only work well today but also remain stable, scalable, and easy to maintain as your product grows.

🇺🇦Kyiv, Ukraine$20/hr100% JSSSince Mar 2026
GlobeUpwork

Earnings and projects

MRR
$569

Last 6 months ÷ 4.7 months active (since Jun 2026)

World#72,604 / 412k
🇺🇦Country#2,901 / 14.3k
Revenue, last 30 days
$0

Last 6 months: $2.7k

Total earnings
$2.7k

Billed in all: $3k

World#307,830 / 412k
🇺🇦Country#11,775 / 14.3k
Per project
$2.7k

$1.3k in the last 6 months

World#60,946 / 412k
🇺🇦Country#3,275 / 14.3k
Projects, last 6 months
2
0% fixed100% hourly
World#88,918 / 412k
🇺🇦Country#3,419 / 14.3k
Projects in all
1

Across 2 contracts

0% fixed100% hourly
World#360,671 / 412k
🇺🇦Country#13,083 / 14.3k

Earnings, last 30 days

$3kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$2,950$3,000$3,050$3,100Oct 8Oct 23Nov 7

Skill rankings: #1 in 1 skill of 20

Rarest: top 8% in Keras, of 398. Ranked by MRR among everyone on Upwork with the skill.

  1. 1Minio9 freelancers · 🇺🇦 #1Top 11%
  2. #8Python Asyncio98 freelancers · 🇺🇦 #1Top 8%
  3. #9NVIDIA Omniverse19 freelancers · 🇺🇦 #1Top 47%
  4. #15GPT API123 freelancers · 🇺🇦 #2Top 12%
  5. #17SQLAlchemy143 freelancers · 🇺🇦 #7Top 12%
  6. #32Keras398 freelancers · 🇺🇦 #5Top 8%
  7. #74SQLite680 freelancers · 🇺🇦 #9Top 11%
  8. #155NGINX1,116 freelancers · 🇺🇦 #19Top 14%