Leading the R&D group which delivers the core business value of a financial B2B SaaS cloud productKey Achievements: * Scaled up a team of 5 SW Engineers to 20+ group of 4 cross-functional global teams of SW/QA/DevOps Engineers and Tech Leads (Israel/Ukraine/Poland)* Built hiring, on-boarding, mentoring, knowledge sharing and other processes to support the HC hyper growth, fostering an open, empathetic and collaborative culture of transparency, E2E ownership and quality * Built, managed and measured the group OKR based on the company business and R&D goals* Accomplished the internal architecture and technologies migration while keeping delivering a business value in a fast-paced environment, reduced prod issues by more than 200% (Scrum)* Accomplished the transition from a monolith to microservices architecture while defining and embedding CI/CD methodologies, reduced business value TTM from weeks to days* Working closely with US based Sales/Product/Operations and Customer Success teams to deliver business value to dozens of the company's clients, including US Top 5 financial institutions and retailers, under strict compliance and regulation terms* Supporting the company globalization effort Technology Stack: GCP, Microservices/Serverless, Kubernetes, .NET Core, React/Angular

Built company's first BE team to develop the cloud cost optimization SaaS product in an early stage start upKey Achievements: * Led a cross-functional team of 6 engineers (Backend/Data Engineers, Data Scientists), defining, building and embedding robust R&D processes e.g. CI/CD, Agile, GitFlow, code reviews, tests, etc. * Designed fault-tolerant high-load and large-scale architecture * Worked closely with Pre Sales/Sales/Marketing and Support teams Technology Stack: AWS, SQS, DynamoDB, Python, Docker (Serverless/Microservices) (50% HO)

1st employee of a startup which builds next-gen observability platform (Cloud/On-Prem)Key Achievements: * Defined and built the company R&D processes from ground up, including Kanban, GitFlow, CI/CD. * Built the first product versions in a fast-paced environments, helped to get to the company first paying customers. Contributed to the company technological blog Technology Stack: C++, Java, Puppet (90% HO)

Served as CTO of a company which develops Blockchain&AI solutions for a FinTech industry Key Achievements: * Led 4 global teams (12 FS SW engineers/QA/UX/UI designers in Israel/Serbia/China) to build and integrate a high-load AWS based architecture for a global public company with adherence to budget and resources, successfully securing 5 additional projects within the Israeli Fintech Industry * Significantly decreased operating costs and accelerated project deliveries for clients by employing serverless high load architecture and modern development technologies such as Agile, CI/CD and containerization Tech Stack: AWS, Docker, .Net Core, Node.js, Kinesis, DynamoDB, Microservices, Event-Driven, Serverless (50% HO)

Co-founded Say2Eat, a company which develops a conversational e-commerce SaaS solution by utilizing NLP and machine learning as the solution technological core. Key Achievements:  * Built the R&D Department (2 teams of SW/QA Engineers, 8 ppl in Israel/Ukraine) from the ground up, maintaining tight budgets and timelines * Successfully leveraged Agile and DevOps (CI/CD) methodologies. * Designed serverless event-driven architecture * Worked closely with with Sales/Product/Marketing teams * Built 24/7 support tier for US based retail customers Tech Stack : Azure, AWS, .Net Core, Serverless, Event-Driven, Microservices, Python, Redis, MongoDB, NLP (50% HO)

Demonstrated self-starter mentality by owning and operating a software development consulting firm specializing in enterprise-class security solutions, leveraging cross-platform and high-load architecture (80% HO)Key Achievements:  * Guided dozens of start-up companies to establish scalable, robust, and cost-effective backend architecture  * Effectively secured client relationships with top Fortune 500 companies, such as Intel and McAfeeTech Stack: C, C++, Python, Bash, Linux, Solaris, HP-UX, AIX, Serverless, Event-Driven, Microservices

* Successfully led end-to-end enterprise class DB security product architecture design and development (C\C++\Bash) * Acquired by McAfee

* Developed cutting-edge Type 1 virtualization technology (C\C++\Python\Bash) * Led large cross-team infrastructure projects with matrix management * Acqui-hired by Intel

* Developed WAF endpoint agents (C/C++) * Implemented complex Linux kernel infrastructure (C) * Led Windows Database servers reverse engineering and hacking effort

* Mentored by the company Chief Architect to develop enterprise class security product (WAF) * Developed Linux kernel high-performance and secure infrastructure (C) * Authored and published “XML and Web Services Attacks” white paper