Blagoy Simandoff
Backend Engineer & Infrastructure Specialist with production SRE experience and a current fullstack engineering role. Built org-wide tooling in Go, contributed to open-source, and founded a service that served 2,000+ users. I write about software architecture at simandoff.blog.
Education
University College Cork
Cork, Ireland
BSc (Hons) Computer Science — 3rd Year
Experience
Fullstack Engineer
Abraxa
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Contributed to the company-wide Design System used across all products, unifying UI/UX and reducing development time.
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Implementing micro-frontend architecture using Module Federation to enable gradual migration from monolith to microservices.
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Building GraphQL APIs with Yoga integrating with MySQL to power core platform features.
Site Reliability Engineer
Dailypay
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Built EKS monitoring, dashboards, runbooks, and generators across the site-reliability CLI to support the org-wide ECS-to-EKS migration at a 500+ engineer fintech.
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Architected Istio service mesh monitoring with DataDog, defining alerting thresholds for latency, error rates, and resource utilization across production services.
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Developed Go-based project generators adopted org-wide for all new services, standardizing deployment configuration and reducing setup time.
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Established Go coding standards and best practices adopted across infrastructure and backend engineering teams.
DevOps Engineer
EfellowsBG
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Contributed to the open-source BIG-IP F5 Terraform provider (PR merged), extending enterprise network infrastructure capabilities.
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Built Rust-based GTP Proxy testing tool for performance validation and functional testing.
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Developed automated Jira + Tempo reporting app processing thousands of worklog and billing reports.
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Implemented CI/CD pipelines improving developer experience and reducing shipping times.
Computer Science Teacher
Coding Giants
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Taught web development (JavaScript, HTML, CSS) to groups of 12+ students aged 10–17 through hands-on practical projects.
Projects
All on GitHub
Traffic Simulation Platform
Urban traffic simulation platform with real-time visualization. Runs MATSim simulations orchestrated via FastAPI with live event streaming to the browser.
- Real-time simulation event streaming over NATS JetStream with SSE forwarding and typed TypeScript API clients
- Interactive network map editor with OSM data import, node dragging, and Deck.gl/Mapbox visualization
B2B Data Enrichment Platform
Enriches company and contact data using multi-source web intelligence. Credit-based SaaS with CSV upload workflows and real-time enrichment pipelines.
- Multi-provider web intelligence pipeline using Perplexity, Brave Search, and Gemini APIs
- CSV bulk upload with signed GCS URLs and automated enrichment at scale
Legal Marketplace
Full marketplace connecting clients with verified legal professionals. Includes payouts and smart scheduling.
- Intelligent scheduling with timezone handling and conflict detection
HomeHive.rent
Real Estate Aggregator
Aggregates 7,000+ daily property listings from major Irish portals. Scaled to 2,000+ users in the first week.
- Built high-performance Go web crawlers with duplicate detection of different listings across multiple sources
- Interactive map search powered by Mapbox
Deep dives into software architecture, DevOps, and startup engineering lessons.
Top-down shooter built entirely in vanilla JavaScript using the Canvas API.
Ticket resale platform built with Flask, Jinja templates, and SQLite.
Machine learning regression model using scikit-learn to predict used car prices.