Bogdan Tudor
Senior Backend Software Engineer | .NET/C# & Java | Distributed Systems & LLM Integration
7 yrs experience · Timișoara, Romania · <10 hrs/week
About
Senior Backend Software Engineer with 7+ years building production systems across defense (SAAB), financial platforms (~10k transactions/day at Axios), and global SaaS (Litmos CDN). Trusted for resolving high-risk production failures and untangling complex persistence pipelines under regulatory and operational constraints. Currently shipping LuxSense, a full-stack iOS + Cloudflare product with an LLM-driven enrichment pipeline (Claude Opus orchestrating sub-agents over 36,791 records) and OCR-driven label parsing with verifiable, auditable citations per record.
Skills
Experience
- Founder & Sole Engineer · LuxSense2025
LuxSense · Founder & Sole Engineer · 2025 to present EU cosmetic ingredient scanner · iOS + Cloudflare + Astro Designed and shipped a full-stack production system: SwiftUI iOS app (App Store, iOS 16+), Cloudflare Workers backend, D1 + KV + R2 data layer, and an Astro static site Built an LLM-driven enrichment pipeline using Claude Opus sub-agents to research, classify, and score 36,791 records against EU regulatory data (CosIng, SCCS opinions, PubChem hazard codes) with full audit trail and verifiable citations per record Integrated Claude API for OCR-driven parsing of unstructured product label photos, with multi-frame stitching for wrap-around panels Designed a transparent 0 to 100 scoring methodology citing every input (regulatory status, hazard data, in-use concentration, ingredient function) Full ownership: product, infra, content, release pipeline, App Store submission, ongoing operations Tech: Swift / SwiftUI, TypeScript, Astro, Cloudflare Workers, D1, KV, R2, Claude Opus / Sonnet API, Wrangler
- Senior Backend Software Engineer · Axios Development07-01-2024 – 12-31-2025
Senior Software Engineer · Axios Development Jul 2024 to Dec 2025 · Australia (Hybrid) Core engineer on the rebuild of a large Australian strata-management platform, replacing a legacy BBj system with a modern Java + Angular + MySQL architecture Designed financially sensitive backend workflows: banking file processing, data imports, levy allocation, fund distribution, and compliance-grade accounting logic Diagnosed and resolved severe Hibernate ORM performance failures caused by circular entity mappings and inefficient object hydration during high-volume payment processing (~10,000 transactions/day) Re-architected persistence and processing flows using lightweight DTOs and batch-oriented pipelines, reducing end-to-end payment processing time from 24 hours to under 30 minutes Lead backend engineer on the platform, owning technical decisions during critical incidents and serving as primary technical liaison with the client Tech: Java, Spring, Hibernate, MySQL, Angular, REST APIs
- Senior Software Engineer (Contract) · McMahon Services01-01-2024 – 06-30-2024
Senior Software Engineer · McMahon Services (Contract) Jan 2024 to Jun 2024 · Australia Stabilized underperforming backend services by fixing critical API and data-access bottlenecks, halving response times and improving reliability for ~200 internal users Introduced CI/CD pipelines using Azure DevOps, eliminating manual deployments and significantly reducing release risk Advised technical and non-technical stakeholders on scalability, maintainability, and integration trade-offs across custom-built and third-party systems Tech: C#, ASP.NET, Vue.js, TypeScript, SQL Server, Azure DevOps
- Senior Software Engineer (Contract) · Litmos07-01-2023 – 12-31-2023
Senior Software Engineer · Litmos (Contract) Jul 2023 to Dec 2023 · Remote (US) Led the redesign of an AWS CloudFront CDN configuration for a large-scale SaaS platform, improving content delivery latency and reducing redirect and cache-miss overhead Contributed backend and infrastructure changes supporting globally distributed enterprise customers with strict availability requirements Tech: C#, ASP.NET, JavaScript, AWS (CloudFront, EC2, S3)
- Software Engineer (Contract) · SAAB01-01-2022 – 06-30-2023
Software Engineer · SAAB (Contract) Jan 2022 to Jun 2023 · Australia Developed distributed systems for defense, correctional facilities, and critical infrastructure in safety-critical environments with strict availability, security, and regulatory constraints Implemented real-time analytics pipelines using OpenSearch and integrated secure hardware and internal system APIs Built automation tooling that reduced environment provisioning and operational setup time Tech: C#, WPF, WCF, RabbitMQ, OpenSearch, PowerShell, SQL
- Software Engineer · Aurizn01-01-2021 – 12-31-2021
Software Engineer · Aurizn · defense & systems engineering consultancy · Jan 2021 to Dec 2021 · Australia
- Lead Mobile Developer · Jaix Logistics Software01-01-2019 – 12-31-2020
Lead Mobile Developer · Jaix Logistics Software · logistics and fleet management platforms · Jan 2019 to Dec 2020 · Australia
Education
- University of South AustraliaBachelor of Software Engineering (Honours)
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