Yaroslav Tretyakov
Backend Systems Engineer & Founder
Toronto, Canada
yaroslav@effix.com
(416) 828-9281
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Engineer with 15+ years of building high-performance systems and startups. Experienced in designing distributed backend architectures, data pipelines, and compliance automation platforms.
What I Do, and Love Doing
- Design and build scalable APIs and data pipelines for high-volume systems
- Dive deep into complex systems to understand and solve for them
- Build infrastructure for compliance-heavy domains
- Ship rapidly
Currently working on
FleetFalcon
Founder and CTO
Designed and built a compliance automation platform for trucking companies that continuously validates the company's regulatory standing across documents, operations, and government systems.
- • Integration with legacy (often paper-based) government systems
- • Backend pipelines for ingesting regulatory documents from numerous sources
armsAI
Founder and CTO
Designed and built an AI-assisted safety risk analysis platform that ingests organizational documentation and produces structured risk assessments.
- • Document ingestion for large safety and regulatory datasets
- • Converting massive standards (e.g. ISO 45001), laws and regulations into a knowledge-graph models for AI to reason over
Past Experience
Effix Solutions
Founder and CTO · Jan 2016 – Feb 2025
Architected, built and operated a large-scale commerce and advertising infrastructure connecting high-volume user traffic with partner marketplaces.
- • Operated a 24/7 high-availability system that routed significant user traffic and generated $100M+ in partner sales
- • Designed distributed backend systems integrating continuously changing product catalogs, pricing feeds, and PPC bidding feeds in 15+ geos
S&P Capital IQ
Software Engineer · Nov 2012 – Jan 2016
Worked with financial engineers and quantitative teams to build backend systems aggregating large volumes of financial market data and supporting analytical workflows used by institutional investors.
- • Built backend services ingesting and normalizing financial data from numerous external and internal data providers
- • Collaborated with financial engineers and quantitative analysts to implement scenario-based analytics used for portfolio modeling and investment analysis
Rakuten Kobo
Software Engineer · Jul 2012 – Nov 2012
Built and maintained backend services for the API team, integrating with dozens of hardware client systems across the e-reading platform.
Research Now
Software Engineer · Sep 2011 – Jul 2012
Maintained and improved a platform that integrated with survey respondent panels, processed large-scale survey datasets, and enabled interactive reporting dashboards for end users.
Core Systems Experience
- Distributed backend architecture
- Event-driven systems and asynchronous workflows
- Large-scale external API integrations
- High-availability production systems (24/7 services)
- Domain-driven system design for regulated environments
- AI-assisted data processing systems
- Real-time decision and routing systems
Education
BSc Computer Science
Lomonosov Moscow State University · 2006 – 2010