ALEKSANDR AKAFEV
Personal information
- Phone: +351 914 326 401
- E-mail: skubent@gmail.com
- Telegram: @skubent
Summary
Backend engineer and team lead with 15+ years of experience in high-load backend systems, secure architectures, payments, fraud detection and distributed processing systems. Strong in data-driven decision-making, problem analysis, and leading engineering initiatives.
Professional skills
- Programming Languages: PHP, JavaScript (native/jQuery), Go, Python.
- Databases: MySQL, Redis, MongoDB, ClickHouse.
- DevOps: Linux, Git, Docker.
- Agile Methodologies: Scrum, Kanban.
- Team Leadership: Experience in leading and managing teams, fostering collaboration, and driving project success.
Work experience
| Borzo (aka Dostavista, Wefast, Clickentregas), Team lead | 2018 - present |
- Developed TSP-based routing algorithms that reduced lead time by ~30%.
- Designed image-recognition and image-comparison functionality to automate document validation and remove the human factor from the decision chain.
- Built data pipelines for customer behavior prediction models to optimize the supply/demand balance in advance, resulting in improved resource allocation.
- Designed and implemented fraud-prevention functionality based on a scoring system.
- Optimized the usage of external data providers, achieving ~50% cost reduction.
| ITAR-TASS news agency, Head of R&D team | 2013-2017 |
I built and managed a division of 50 people from scratch. Notable accomplishments include:
- Architecting the main processing pipeline to handle thousands of messages per second, ensuring efficient and scalable message processing.
- Implementing automated tools for fact-checking, classification, verification, and decision-making for text messages, achieving ~80% automation (pre-LLM era).
- Developing a service to automatically select the best photo from a thread of photos from public events, which typically contained over 50 images per second.
- Creating various tools for quality control, auto-news generation, and other automation tasks to streamline operations and improve efficiency.
| Tehnos-Inform Ltd, CTO | 2010 - 2013 |
I played a pivotal role in the creation of the social network 'myrail.ru' for Russian Railways (up to 100,000 monthly users).
| Badoo Ltd, PHP-developer | 2008 - 2010 |
- PHP coding, debugging, MySQL query writing, and SVN version control expertise.
- Refactored legacy code from PHP4 to PHP5.
- Developed new features and fixed bugs.
| Freelance developer | 1998 - 2008 |
- Built over 50 websites for small businesses, handling negotiations with clients, coding, and production deployment. Projects included pizza delivery websites, car rental accounting systems, online-school systems and more.
- Served as math and computer science tutor, trained ~130 students.
Education
Mordovian State University, engineer of automated information processing and control systems