Alexander Budanov

Alexander Budanov

Staff Software Engineer · Fintech, Enterprise Systems, Cloud Architecture
Kazakhstan (UTC+5) · Remote

About

I design systems, write code, and ship products. Over 15+ years I've built trading platforms at major financial institutions, led backend teams, and architected event-driven systems at Amazon. Currently building an AI-powered SaaS product from the ground up as a solo founder.

Skills

Languages & Frameworks
Java Spring Boot C# .NET Node.js TypeScript Python FastAPI
Cloud & Infrastructure
AWS CDK Lambda MSK / Kafka DynamoDB PostgreSQL Redis Docker
AI & Search
RAG pgvector Claude API Ollama Semantic Search LLM Integration

Experience

Founder & Lead Engineer
Apex Bridge Technology
Present
Building BugSpotter — an AI-powered bug reporting SaaS with session replay, semantic deduplication, and LLM-driven summaries. Multi-tenant, GDPR/PCI DSS compliant, 3,000+ automated tests.
Team Lead / Senior Software Engineer
DeleteMe (Abine, Inc.)
Remote
Led backend team of 7-10 engineers. Reduced post-release bugs by 40%, cut API response time by 60%. Engineered CI/CD pipelines accelerating releases from bi-weekly to daily.
Senior Software Engineer
innRoad
US hospitality platform
Developed RESTful APIs and microservices for US hospitality management platform using C#/.NET Core. Implemented monitoring with Grafana, Prometheus, and Kibana.
System Architect
MOEX (Moscow Exchange)
Moscow, Russia
Designed system architecture for distributed trading platform at a top-25 global exchange. Distributed caching, real-time market data, event-driven messaging.
Software Development Engineer
Amazon
Toronto, Canada
Alexa microservices — event-driven architecture at scale with MSK/Kafka, Lambda, and DynamoDB. AWS infrastructure as code with CDK.
Senior Software Engineer
Volvo Group
Wroclaw, Poland
Designed enterprise software solutions for automotive systems. Key role in microservices architecture design on Azure.
Senior Software Developer → Technical Lead
Alfa-Bank
Moscow, Russia · 15 years
Built the Alfa-Direct online trading platform from the ground up using C#/.NET — order management, market data, real-time portfolio tracking, multi-protocol exchange gateways.

Availability

UTC+5 · 3-4h UK/EU overlap
Flexible for US EST
B2B contract & full-time
EOR OK

Writing

Anatomy of a Plugin Sandbox: Trust Boundary and Four Isolation Layers
I almost shipped a plugin sandbox built on new Function(). Here's the four-layer system that replaced it, eleven bypass classes from the vm2 tracker and OWASP literature applied to my code, and what I still don't catch.
How I Chose an Embedding Model for Bug Report Deduplication
Benchmark of 6 self-hosted embedding models vs BM25 on 650 bug reports plus Mozilla Bugzilla cross-validation. Plain BM25 beat 4 of the 6 embedding models on real-world data.