Nikolay Grishchenko
CTO · Cloud & AI Engineering Leader
- Based in
- Beit Dagan, Israel
- ngr@sosw.app
- Online
- grishchenko.info/cv · linkedin.com/in/ngrishchenko · github.com/ngr
- 20+ years in software
- 15+ years leading teams
- 75 people at the largest team
- 10+ years on AWS
- 300+ Lambdas in one platform
- 180+ AI agent skills in production
Profile
Technology executive: 20+ years in software, 15+ years leading engineering and IT organisations (teams of up to 75 people), 10+ years architecting on AWS. CTO of ExplorAds, where I built and run an automated search-arbitrage platform and rolled out fully autonomous, AI-agent-driven R&D. In parallel, founder and CTO of SOSW LTD, providing cloud and AI engineering services.
Skills
- Engineering strategy
- Team building
- R&D management
- Hiring
- Delivery process
- IT budget planning
- Strategic planning
- Product management
- Mentoring
- BI
- AWS
- Serverless
- AWS Lambda
- Event-driven architecture
- High availability
- High load
- Microservices
- Azure
- Terraform
- CloudFormation / SAM
- CI/CD
- DevOps
- Security
- EventBridge
- API Gateway
- S3
- AWS Organizations
- Monitoring
- Networking
- Cost governance
- AI agents
- LLM orchestration
- Autonomous R&D
- AI adoption
- Multi-model code review
- LLM gateway
- Machine learning
- Python
- APIs
- Django
- Flask
- Go
- C++
- C#
- JavaScript
- HTML / CSS
- Data pipelines
- DynamoDB
- Kinesis
- Athena
- EMR
- Databricks
- Confluent / Kafka
- Aurora
- MySQL
- MongoDB
- Elasticsearch
- Spark
- Hadoop
- Ad-tech
- Automated bidding
- Search arbitrage (RSOC)
- P&L
- Media buying
- Revenue reconciliation
- Billing & payments
Career map
Experience
Current02
-
ExplorAds
CTO
Ad-tech
- Joined as a contractor in Dec 2024, in parallel with Zencity; CTO since Aug 2025
- Own platform architecture and the engineering team (5 engineers) of an ad-tech company
- Built and run an automated search-arbitrage (RSOC) platform on complex AWS infrastructure: AdSense revenue data pipelines, a Meta media-buying platform and a Connected-TV line, across 29 repositories
- Over the last six months, rolled out fully autonomous R&D as a service: AI agents take work from specification to deployed production under human architectural review
- Led the company-wide AI-native transformation: AI usage policy, security guardrails and hands-on training for every department
-
SOSW LTD
Founder & CTO
Cloud & AI engineering services
- Cloud and AI engineering services for companies: architecture, development, technical due diligence and AI-native delivery
- Designed and operate an autonomous AI engineering fleet: 180+ agent skills, 74 repositories, ~31k automated tests, two-model code review and autonomous deploy; self-hosted LLM gateway on AWS
- Products shipped on AWS: Wayli (AI audio walking tours, iOS App Store), Bookkeeper (AI accounting-document extraction), Lend Lane (business-lending lead qualification)
Previous06
-
Zencity
Senior Backend Engineer, Applied AI (part-time)
Gov-tech analytics
- Data pipelines and AI-powered features in production for a gov-tech analytics platform, on Azure, Databricks and Confluent
- About a year with Azure services for hosted AI models: fully automated model deployment and monitoring with Terraform
-
Better Impression
CTO
Online marketing · a Natural Intelligence subsidiary
- Led technology for an online-marketing company: ~25 people across R&D and Data Operations; planned and owned the full IT budget
- Key achievement: designed and built the automated bidding system, a serverless event-driven data-aggregation and ML-based analysis platform (Python)
- Owned architecture, DevOps and security; 50+ AWS services and 300+ Lambda functions in production
-
Borets International
Special-projects manager, then CIO
Oil-equipment manufacturing
- Ran IT for the holding with an IT organisation of ~80 people: 10+ AD domains, 50+ remote offices, 10,000+ users
- Reorganised IT management for the ~10,000-employee enterprise, improving efficiency and cost; BI, specialised oil-pumping software, business analysis for product-cost optimisation
-
Oversun-Scalaxy
Customer services director
Cloud computing
- Public and enterprise hosting platforms, web applications adapted for the cloud
-
CTI
Product manager
IP telephony, systems integration
- Call-centre and Cisco UCM/UCCE software, technical presale, full product lifecycle
-
.masterhost
Contact centre, support and project manager
Hosting, data centres
- Built the 24×7 contact centre and led technical support (~30 people), then new-product projects
Employers
Open source
-
Author and maintainer of sosw, an open-source Python framework for AWS Lambda orchestration (PyPI, ~1k downloads / month) pypi.org/project/sosw (opens in a new tab) - 02 Developed and taught serverless and cloud-native courses; lectured and mentored 50+ students and interns
- 03 Organised open spaces, talks and sprint hubs at PyCon US, PyCon Israel and AWS re:Invent
Education & certification
-
Master of Engineering, Electrical Engineering Moscow State Technical University "MAMI"
-
AWS Certified Solutions Architect – Associate 2016
Languages
- English
- Russian
- Hebrew




