Available to hire
Senior backend engineer and technical lead with 20+ years of professional experience building distributed systems, cloud infrastructure, and high-availability backend platforms across blockchain, financial, trading, and enterprise infrastructure domains. Specialized in Go backend development, API platforms, event-driven architectures, infrastructure automation, and production systems operating under strict reliability and scalability requirements.
Skills
Language
English
Fluent
Work Experience
Senior Backend Engineer at Validation Cloud
January 1, 2022 - PresentDesigned and implemented RPC services and scalable backend infrastructure for 300M daily requests with 99.99% availability. Built a production Ethereum Staking-as-a-Service platform to automate validator lifecycle end-to-end, including deposits, provisioning, monitoring, reward indexing, and MEV integration. Improved testing and CI for backend services and deployed changes in billing, staking, and compliance. Implemented end-to-end billing and usage metering for RPC-as-a-Service serving tens of thousands of customers, including compute-unit accounting, fair enforcement, and MEV considerations. Developed wallet-intelligence datasets powering blockchain analytics, including attribution of funds and geographic inference from on-chain activity.
Software Engineer / Tech Lead at Voyager
January 1, 2022 - January 1, 2022Led extraction of the accounting domain from a Node.js monolith into an event-driven microservice. Isolated financial logic, introduced Kafka-based ingestion, and re-architected transaction processing to support per-customer ordering via partitioning. Implemented feature-flag-driven deployment workflows for controlled rollouts and rapid rollback in a high-risk financial system.
Staff Software Engineer at InfoBlox
January 1, 2019 - January 1, 2022Led backend API and control-plane design translating user intent into DNS/DHCP infrastructure configuration. Implemented targeted config rollout to affected nodes, reducing unnecessary reloads and service disruption. Built versioned config delivery and forward-compatibility mechanisms that ship config ahead of binaries, minimizing downtime. Contributed to hybrid cloud/on-prem deployments and architected scalable backend systems (Go, Python, C#/C++) with microservices and CI/CD.
Software Engineer at WhiteBay Technologies
January 1, 2012 - January 1, 2015Built risk management and monitoring systems for high-frequency trading infrastructure, including trade recording and loss-limit enforcement. Contributed to exchange-adjacent trading with performance monitoring and safeguards. Implemented market-aware constraint logic using external data sources and developed distributed compute pipelines for research and trading strategy analysis. Built coordination mechanisms enabling concurrency-safe configuration and deployment.
Backend Team Lead at Image Recognition
January 1, 2015 - January 1, 2019Architected and led a distributed image processing pipeline covering ingestion, recognition, stitching, deduplication, human review, and reporting. Designed dependency-aware workflow execution and a coordination mechanism using database-level atomic primitives to guarantee correctness under concurrency. Built an edge-to-cloud IoT data flow with Raspberry Pi devices and in-store cameras to replace manual data collection, and delivered scalable backend solutions for image analytics.
Education
B.S. in Computer Science at Tel Aviv-Yafo Academic College
January 11, 2030 - January 1, 2015Qualifications
Industry Experience
Software & Internet, Computers & Electronics, Professional Services, Financial Services
Skills
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