English:
Upper Intermediate
Arthur R.
Vetted by YouTeam
Ukraine
UTC +02:00
Ukraine/Kyiv
English:
Upper Intermediate
Senior back-end developer
Senior Backend Engineer known for valuing simple and resilient code. Builds solid systems and standards to help teams avoid unnecessary complexity. Advocates for clear communication and leads by example. Views code quality as a sign of respect and code reviews as a blessing. Specializes in Python with Django and FastAPI. Experienced in managing projects handling billions in transactions. Design robust architectures and integrates complex APIs. Transformed platforms, improved team efficiency, and consistently solved complex technical challenges as a Senior Developer and team lead.
Want to hire this engineer?
Check if Arthur is availableExpertise
Years of commercial development experience
5 years of experience
Core technologies
Other technologies
Project Highlights
Treasury Management & MMF Investments Platform (UK)
Aug `22 - May `24
2 years
Treasury Management & MMF Investments Platform
Responsibilities & achievements
•Led a backend development team, managing code handling billions in investments. •Improved data synchronization speed by 5x and system responsiveness by 4x through query optimizations and webhooks. •Developed a custom DocuSign-enabled templating engine for flexible, legally binding financial document signing. •Prevented development halts by making future-proof architectural decisions to balance complexity and maintainability. •Established code quality standards adopted by 20 developers, ensuring consistent and high-quality coding practices across the company. •Saved 80% of stakeholders' administrative time by automating tasks with custom admin panel triggers. •Fostered effective collaboration, turning initial stakeholder skepticism into support through high-quality, maintainable solutions
Integrated Advertisement Management Platform (USA)
Oct `21 - Aug `22
10 months
Integrated Advertisement Management Platform (USA)
Responsibilities & achievements
•Developed CDC-based notification and history services, enhancing team communication with sub-10-second data propagation. •Optimized the ETL pipeline for billions of rows by refactoring PostgreSQL and ClickHouse management. •Developed internal libraries for event-based architecture, reducing code redundancy across 15 FastAPI microservices. •Increased sales by 2x through enhancing key selling points such as email automations with integrated data. •Managed business-critical processes with 15 FastAPI microservices connected to PostgreSQL, ClickHouse, and RabbitMQ. •Collaborated with product managers and stakeholders to translate needs into technical requirements.
Under NDA
Jun `19 - Sep `21
2 years
The description is under NDA
Responsibilities & achievements
Developed proprietary libraries that generate trillions (10¹²) of good musical examples by linking music theory and code. •Delivered well-tested code with 100% coverage by embracing test-driven development and property-based testing. •Stabilized code quality in 8 core repositories by deploying CI tests with GitHub Actions. •Optimized performance, reducing memory allocation to 2% of the original for specific tasks by using lazy evaluation.
Education
Higher education in Computer Science
Agency
10-50
GMT+2
Zaporizhzhya/Ukraine, Kiev Ukraine
Core Expertise
Industries
Architecture & Design, Education & Science, Business & Productivity, Logistics & Transportation, E-Commerce & Retail, Banking & Finance, Information services & Technologies, Entertainment & Games, Mapping & Navigation, Sports & Fitness, Advertising & Marketing, Shopping & Loyalty programs, Photo & Video, Fashion & Style, Travel & Tourism, Kids & Childcare, Healthcare & Medicine, Food & Drink, Arts & Culture, Service & Support, Audio & Music, Blockchain & Cryptocurrency, Automotive
Want to hire this engineer?
Check if Arthur is available