Aleksei Z. Email & Phone Number

Tel Aviv District, Israel

CTO with a proven track record of leading engineering teams to success in high-pressure environments and solving complex challenges.Key responsibilities: Developed and executed tech strategy; Managed high-performance teams (Frontend, Backend, ML, Blockchain, DevOps), including 10x engineers; Oversaw 30+ team members; Selected optimal tech stack; Managed projects, budgets, timelines, and resources; Facilitated cross-departmental collaboration; Ensured legal compliance working closely with legal experts.My achievements:‣ Developed Web scrapers and API parsers with SotA data cleansing.‣ Optimized a high-traffic web project serving millions of users daily, boosting visibility and engagement with advanced SEO.‣ Engineered highload backend services with zero critical incidents over years.‣ Launched a private ad platform with Anti-AdBlock mechanics.‣ Created in-house object storage service, surpassing S3 in cost-effectiveness, and deeply integrated into our CDN.‣ Engineered a secure boot with full disk encryption and unmanned boot to guard against unauthorized physical access.‣ Quickly assembled a blockchain dev team and improved top-tier audit processes.‣ Ensured compliance with GDPR, CCPA, EU Cookie, DMCA, and more, collaborating closely with law firms balancing regulations with business needs.‣ Established a private data center focused on maximum performance and cost-effectiveness.‣ Pioneered LLM integration into products ahead of industry trends.‣ Transitioned the company to a fully remote model seamlessly.‣ Integrated LLM tools (Claude, ChatGPT, Copilot) into dev processes, significantly improving productivity.Our tech stack includes: JavaScript, Typescript, PHP, React, C++, Python, Solidity, MySql, ClickHouse, Redis, Debian, Ansible and more...

Москва, Москва, Ru

Stack: PHP, JS/TS, MySql, Memcached, Debian and a lot more...Company: Sape - platform used by agencies globally, leading in SEO, link-building, and programmatic ads.My achievements:1) Created new features for end users, involved in every step from concept to post-launch support, incl. coding, architecture design, and collaboration with product and support teams.‣ Project Initiation: Worked with PM, designers, stakeholders, and key customers to refine ideas, aligning features with business goals. Contributed tech insights and analytics to shape final reqs.‣ Architecture Design: Designed secure, high-performance system architecture optimizing time and costs.‣ Development: Built front-end UI and back-end services, updated DBs, queue services, and OS and servers. Conducted unit and integration tests to ensure reliability and compatibility.‣ Deployment: Managed envs, dependencies, and executed deployment with minimal downtime.‣ Post-Launch Monitoring: Improved monitoring system with new metrics, enhancing real-time tracking of tech and business performance.‣ Training and Support: Worked with support teams to ensure smooth adoption of new features, creating training materials and providing ongoing assistance.2) Developed Back-Office Tools - partnered with support and product teams to modernize outdated tools, reducing support response time and improving efficiency. Introduced new functions, freeing up resources for non-automatable tasks.3) Upgraded Back-End Services to improve performance, reduce costs, fix bugs, and add new functions.4) Modernized monitoring subsystem, reduced metric addition time from tens of minutes to seconds. Improved performance transparency and provided mgmt with valuable insights.5) Created add-ons for popular CMS, simplifying end-user integration with our system.6) Mentored new dev-team members and fostered a supportive team environment.7) Provided expertise to support team in handling difficult and uncommon situations.

Москва, Москва, Ru