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Aleksey Bondarev

Senior full-stack engineer

Delivering enterprise solutions since 2010

Specialized in architecting and implementing scalable applications with a focus on code quality, performance optimization, and exceptional user experience.

Professional headshot

About Me

Engineering scalable, maintainable software solutions with a strategic focus on architecture, performance, and business value.

As a Senior Full Stack Engineer 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

Architecture
Full-stack
Cloud Infrastructure
Observability
DevOps
UI/UX
Multi-language

Skills & Tech Stack

A comprehensive overview of my technical expertise and proficiency

Programming Languages
Python100%
Golang95%
Rust85%
TypeScript100%
JavaScript100%

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

Technical Architect & Lead Developer
Tander
April 2023 — Present

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%
Golang
Python
TypeScript
Postgres
Redis
Centrifugo
Meilisearch
Openobserve
Grafana
Prometheus
Kubernetes
GitLab CI/CD
Senior Full Stack Developer
Webscribble Inc.
September 2013 — Present

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
Python
Rust
TypeScript
FastAPI
Angular
Redis
MySQL
Elasticsearch
Docker Compose
Lead Frontend Developer
Deepc
August 2020 — February 2025

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
TypeScript
VueJS
WebAssembly
Storybook
GraphQL
Kubernetes
Cornerstone.js
Cypress
Vitest
GitLab CI/CD
Backend Developer & Database Systems Architect
Cloudpbx
November 2016 — November 2019

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
Python
TypeScript
Flask
FastAPI
Angular
VueJS
RethinkDB
PostgreSQL
Redis
CockroachDB
Docker Compose
Docker Swarm
High-Performance Systems Engineer
Enterprise Financial Services (via Upwork)
February 2019 — September 2021

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
Python
Cython
Redis
MessagePack
OAuth/JWT
WebSockets
Concurrent Processing
Low-Latency Architecture
Founder & Principal Engineer
Hospitality Integration Solutions
2019 — Present

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
Python
Golang
TypeScript
FastAPI
Angular
MySQL
Redis
Dramatiq
Scrapy
Microservices
API Gateway
System Integration

Professional Inquiries

I welcome discussions regarding technical collaborations, consulting engagements, or career opportunities that align with my expertise.

Contact Information
Feel free to reach out through any of these channels

Location

Remote

Connect with me

Availability

Available for Work
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