Jack Klimov Email & Phone Number

Peniche, Pt

Netherlands

- Drove adoption of cutting-edge blockchain, smart contract, and DeFi technologies to maintain competitive edge- Optimized contract implementation with bytecode optimization, reducing gas costs by more than 70%- Spearheaded setup and maintenance of CI/CD pipelines, increasing development velocity and code quality- Designed highly scalable and resilient trading system architecture- Managed containerization and orchestration using Docker and Kubernetes, reducing deployment time by more than 60%- Led cross-functional agile team of 5 engineers in developing and optimizing proprietary trading strategies- Implemented robust monitoring and logging, reducing mean time to resolution (MTTR)

- Designed and implemented sophisticated software architectures for 5+ mission-critical projects- Pioneered integration of advanced technologies, continuously improving system performance - Optimized database queries, reducing latency and increasing throughput by more than 80%- Implemented CI/CD pipelines, drastically improving development speed - Guided team of 12 in leveraging system architecture consistently across projects

Kyiv, Ukraine

- Defined technological strategy and vision, steering implementation of innovative solutions- Collaborated with key stakeholders to align technology initiatives with business goals- Optimized IT budget utilization, achieving impressive cost savings while driving innovation- Interviewed, hired and mentored developers, building a high-caliber engineering team- Developed 20+ projects for clients with Python, Go, and JavaScript- 5 client's projects successfully raised Series A funding with our help, totaling more than $5M- Built scalable online gambling platform with Python, Go and JS from scratch, handling thousands of concurrentusers.

Kyiv, Ukraine

- Developed servers for social games on vk.com and ok.ru, serving 100,000+ DAU- Architected high-load game servers, supporting 5,000+ concurrent users- Built real-time analytics system, providing actionable insights to stakeholders- Led team of 8 developers, 3 QA and 5 designers, driving timely project delivery and high code quality

Kiev, Ukraine

- Leveraged Tornado, Redis, and low-level optimization to ensure high performance- Collaborated directly with project owner to rapidly iterate on features and fixes- Designed and built game engine in pixi.js from scratch, powering 30+ games- Leveraged Tornado, Redis, and low-level optimization to ensure high performance - Collaborated directly with project owner to rapidly iterate on features and fixes - Designed and built game engine in pixi.js from scratch, powering 30+ games

- Contributed to full-stack development on 6+ projects, honing skills across stack- Gained valuable experience communicating with diverse clients and stakeholders- Developed backends using PHP and Python, ensuring robust and efficient APIs- Crafted interactive frontends with JavaScript, HTML, and CSS, optimizing UX

Saint-Petersburg

- Created and maintained company website, serving as the primary online touchpoint- Developed custom CRM system in PHP, improving internal processes and efficiency- Managed IT infrastructure for client environments