Alexander Sedov Email and Phone Number

Led the selection of a technology stack optimized for budget efficiency while ensuring flexibility and dynamic scalability to handle rapid growth. Managed the development of the MVP version of the product in line with the initial technical requirements, implementing Agile methodologies to facilitate quick changes and iterative feature deployment. Integrated Amazon Rekognition for image analysis and deployed a ResNet-50 machine learning model for image classification, enhancing the product’s AI capabilities.Technical Skills: AWS, Amazon Rekognition, ResNet-50, Machine Learning, Agile, Cloud Infrastructure.

Led the development of a software product from concept to MVP, attracting a strong customer base. Managed a team of 5 highly skilled developers and collaborated with partner developers, ensuring smooth project execution. Introduced Agile methodologies to streamline workflows and improve team productivity. Developed an open-source project with SDKs in Python, GoLang, PHP, Java, and JavaScript, simplifying integration with our product. Authored comprehensive technical documentation and actively engaged with the developer community. Optimized server infrastructure, reducing CPU costs in the Google Cloud cluster by 63% while maintaining high availability. Successfully defended against DDoS attacks exceeding 200 Gbit/sec and scaled the platform to support up to 50,000 rps during peak hours. Implemented gRPC and protobuf to reduce traffic, and introduced an efficient push data model, reducing the number of requests by over 7 times and lowering outgoing traffic by 19 times, which improved client application responsiveness.Transitioned services from PHP to GoLang, further reducing infrastructure costs by over 50%. Extensive experience negotiating with global partners and ensuring alignment between technical solutions and business needs.Technical Skills: Python, GoLang, PHP, Java, JavaScript, Terraform, Kubernetes, Docker, PostgreSQL, Redis, NGINX, Cloudflare, gRPC, protobuf.

Led the development of REST APIs and a push notification system, while integrating partner APIs for seamless communication. Optimized PostgreSQL database performance, reducing server costs. Spearheaded the migration from Python 2.7 to 3.x, significantly boosting performance. Introduced Terraform and Kubernetes to manage cloud infrastructure, and integrated GitLab CI/CD with dynamic test environments, reducing Time-to-Market by streamlining feature testing and client demos. Wrote integration tests using pytest and managed Alembic migrations.Technical Skills: Python, Flask, Celery, SQLAlchemy, Alembic, pytest, Docker, PostgreSQL, Redis, Kubernetes, Terraform, GCP, Azure, Angular, WebPack.

Led the integration of Yahoo Caffe (Open NSFW) neural network into the platform. Deployed it in a Docker container on Google Cloud, enabling efficient image moderation. Developed a Restful API in Python using Flask, ensuring seamless communication with the neural network. Worked extensively with PHP and PostgreSQL.Technical Skills: Python, PHP, PostgreSQL, Google Cloud (GCP), Docker, AI/ML, Flask, REST APIs.

Type of business: • Electronic money systems, payment processing systems.Major Duties: • Statistical systems of financial flows and balances; • Development and maintenance of web and mobile applications; • Administration of servers running Linux / FreeBSD.Accomplishments: • Effective work with large amount of data, configuring and tuning PostgreSQL to work under heavy load; • Development of RESTfull API-service; • Development of mobile apps for Android, iOS and HTML5 WebApp. More than 100K active users worldwide.

Type of business: • Search Engine Optimization (SEO), Social Media Marketing (SMM); • Web development, Web design.Major Duties: • Service and maintenance company network; • Development, implementation and maintenance of new services; • Technical support.Accomplishments: • Experience of starting up hosting provider “from scratch” and further support. More than 1,000 loyal customers; • Linking all branch offices into a single phone network. Integration with FMC services. More than 10 times reduced costs of long-distance phone calls and improved communication between regional offices; • Building fully redundant internet connection BGP based (Cisco based); • Development of highly loaded user behavior analysis system of web-sites. The system significantly reduced costs, automated and improved the efficiency of search engine promotion.

Type of business: • VoIP Service Provider; • Internet Service Provider (ISP).Major Duties: • Building VoIP services; • Development and implementation of network services.Accomplishments: • Integration with third-party payment systems; • Development of RADIUS-server; • Development of calling card services based on Asterisk and integration into the network infrastructure Cisco AS; • Development of a user personal account service (HTML, CSS, JavaScript, PHP) and launching of new VoIP services based FreeSWITCH; • Experience with open-source software for VoIP: H.323 (GnuGK, AquaGatekeeper) and SIP (Asterisk, FreeSWITCH).

Type of business: • Outsource Call Center services; • Internet Service Provider (ISP).Major Duties: • Building VoIP services; • Service and maintenance PSTN/VoIP and data networks.Accomplishments: • Self-study of VoIP protocols H.323 and SIP; • Development and integration of additional VoIP services based on IP-PBX Asterisk.