Aleksey Bondarev
Senior Full-Stack Developer
Delivering enterprise solutions since 2010
Specialized in architecting and implementing scalable applications with a focus on code quality, performance optimization, and exceptional user experience.
About Me
Engineering scalable, maintainable software solutions with a strategic focus on architecture, performance, and business value.
As a Senior Full Stack Developer with over a decade of experience, I specialize in building complex, enterprise-grade applications across diverse industries. Since 2010, I've partnered with both innovative startups and established enterprises to deliver robust software solutions that drive business growth.
My technical philosophy centers on clean code principles, thoughtful system design, and creating intuitive user experiences. I thrive on solving complex technical challenges and continuously expand my expertise to leverage emerging technologies that provide meaningful advantages.
Beyond technical skills, I bring strong communication and collaborative abilities to every project. I've found that the most effective solutions emerge at the intersection of technical excellence, clear stakeholder alignment, and a balanced focus on immediate deliverables and long-term system health.
Location
Remote
Experience
15+ Years
Availability
Full-time / Contract
Work Style
Collaborative & Independent
Skills & Tech Stack
A comprehensive overview of my technical expertise and proficiency
Architecture
- Microservices
- CQRS & Event sourcing
- Event-driven
- Serverless
- Domain-driven design
- Distributed systems
Tools
- Gitlab/GitHub
- Zed/Neovim
- Jira/Asana
- Figma
- Postman
Testing
- Playwright
- Cypress
- Pytest
- E2E Testing
- Snapshot Testing
Soft Skills
- English C1
- Italian B2
- Russian native
- Communication
- Mentoring
Work Experience
My professional journey and key achievements over the years
Leading the architecture and development of a mission-critical government information system for one of Russia's largest retail corporations, implementing a cloud-native architecture with comprehensive observability and automation practices.
Key Achievements:
- Architected a scalable, high-availability system that successfully processes millions of retail transactions while meeting strict government compliance requirements
- Established a robust DevOps culture, implementing infrastructure-as-code practices that reduced deployment times and eliminated configuration drift
- Designed and implemented a comprehensive observability stack with Openobserve, Opentelemetry, Vector, Gatus, Grafana, and Prometheus, enabling real-time system health monitoring and proactive issue resolution
- Orchestrated containerized microservices deployed on Kubernetes
- Implemented automated testing frameworks across all system layers, achieving 90% code coverage and reducing regression issues by 80%
Spearheaded the development and ongoing maintenance of an enterprise-grade web-scraping platform for job board data aggregation, leveraging a sophisticated microservices architecture to ensure scalability, performance, and reliability.
Key Achievements:
- Independently architected and developed an end-to-end data processing system capable of handling millions of job listings with 99.9% uptime
- Implemented performance-critical components in Rust, achieving a 70% reduction in processing time for high-volume data streams
- Designed a fault-tolerant microservices ecosystem with 12 specialized services, enabling horizontal scaling and isolated deployment
- Established comprehensive telemetry infrastructure with real-time alerting, reducing mean time to resolution by 60%
- Executed full-stack implementation from database schema design to responsive frontend interfaces, ensuring seamless data flow across all system layers
Directing frontend strategy and implementation for a medical technology startup specializing in advanced radiology solutions, with a focus on diagnostic visualization tools and establishing enterprise-grade development practices.
Key Achievements:
- Orchestrated the architectural transformation of a monolithic codebase into a modular component library using Storybook, reducing development time by 40%
- Designed and implemented a cutting-edge EEG data visualization tool utilizing WebAssembly technology under a research grant from Ludwig Maximilian University of Munich (LMU)
- Established a comprehensive testing framework with 90% code coverage through Playwright E2E, component snapshot, and Vitest unit testing
- Developed specialized medical imaging interfaces using Cornerstone.js, enabling radiologists to analyze complex diagnostic data with precision
- Engineered an automated CI/CD pipeline with GitLab that reduced deployment time from hours to minutes while enforcing strict quality controls
- Elevated codebase maintainability and developer efficiency through component-based architecture and standardized design patterns
Engineered critical infrastructure components for a cloud-based PBX telecommunications platform, specializing in distributed database optimization and high-availability system design.
Key Achievements:
- Architected and optimized a high-throughput RethinkDB cluster that processed many concurrent connections while maintaining sub-50ms query response times
- Developed sophisticated thread-safe processing pipelines utilizing atomic transactions, eliminating race conditions in a multi-node environment
- Implemented containerized microservices architecture with Docker Swarm, achieving 99.95% service availability and seamless horizontal scaling
- Spearheaded database schema design and query optimization that reduced storage requirements by 35% while improving read/write performance
- Established a comprehensive CI/CD workflow that reduced deployment cycles from days to hours while maintaining rigorous quality standards
Engineered mission-critical data processing infrastructure for financial trading systems, specializing in ultra-low latency streaming solutions and performance optimization at scale.
Key Achievements:
- Designed and implemented a real-time financial data processing engine capable of handling 15,000+ events per second with sub-millisecond latency
- Architected a secure multi-tenant streaming system that maintained consistent performance while serving 200+ concurrent authenticated clients
- Reduced data transmission overhead by 65% through optimized exchange protocols
- Engineered a sophisticated multi-tiered caching architecture that decreased average response times from 120ms to under 8ms
- Accelerated system performance by 300% through targeted optimization of critical processing paths using Cython compilation
Conceptualized and developed a proprietary API integration platform that unifies disparate hotel reservation systems under a standardized interface, enabling travel technology companies to seamlessly connect with global hospitality providers.
Key Achievements:
- Engineered a high-throughput gateway processing 50+ transactions per second with 99.99% uptime, serving clients across multiple time zones
- Designed an adaptive middleware layer that normalizes communications across legacy SOAP APIs, modern REST endpoints, and systems without formal APIs
- Developed an enterprise-grade monitoring dashboard with real-time analytics, comprehensive logging, and automated alert systems
- Architected a resilient microservices ecosystem for reliable task processing
- Driving a strategic performance initiative to migrate performance-critical components from Python to Golang, achieving 5x throughput improvements in initial benchmarks
Professional Inquiries
I welcome discussions regarding technical collaborations, consulting engagements, or career opportunities that align with my expertise.