Denis Davidovich
Software engineer | Product manager | Teacher of computer science
I am a backend developer specialized in building highly scalable, distributed platforms
designed for high loads and processing terabytes of data. My solutions achieve exceptional
reliability, maintaining over 80% test coverage, 99.9% uptime, and zero-downtime
deployments. I skillfully transform complex monolithic systems into manageable microservices
and perform comprehensive performance and load testing. Additionally, I've expanded my
expertise to include product development and AI integration.
Contacts
linkedin.com/in/denisdavidovich/
t.me/denchik_dav
schedule meet with me (Calendly)
Stack & Technology
⤷ ML (RAG, Decision tree, Random Forest)
⤷ Multi-agent, Multi-turn chat assistants, Vice assistant (Skills for Yandex Alisa)
⤷PHP (Node.js, Python)
⤷ Symfony (Laravel, Yii, Zend), [Behat, Unit] FE (Angular, React, Vue), MagentoEE.
⤷ Redis (cache), Postgres, MySQL (replication, sharding), MongoDB
⤷ Kafka, RabbitMQ, [Sphinx],
⤷ Docker, GCP, AWS, CI/CD, Git
Projects
2025
Software.informer.com — An AI intelligent multi-turn agent for software search and
selection.
★ I built a backend platform for agents including indexation content (telegram, web chat).
★ I built an automated system to auto self-improve the response quality.
2025
Platon-Insights — startup, search engine. Semantic search with AI for experts posts
(telegram) new clients who share the same opinion or similar to it.
★ Build distributed backend pipelines for indexation content.
★ Developed AI agent conversation with user and tracking user success.
2024
Mosaic — platform for a/b testing hypotheses of mobile applications.
Role: Lead Developer, Tech Product.
Achievements:
★ Reduced the delay of dynamic user configuration experiment up to 60ms for 128 mobile
applications with more than 174 million user base.
Provided an extremely reliable system covering all key aspects of application with Behat
tests and Unit tests.
★ Increased the observability of experimental results, the history of all experiments
★
2022
Apalon.com (Apalon) — App messaging service (like Braze, but better).
Role: Lead Developer
Activities: Implement new services, refactoring / stabilization of existing solutions.
Technologies: symfony, php, python, pgsql, mysql, redis, git, git-lab(ci/cd) behat, phpunit
2016
Mobitee — Golf assistant app + Community, Shops, Backend.
Tasks: Refactoring / stabilization of existing solutions. (Backend, Community, Api, etc...).
Technologies: node.js, mysql, redis, mongo, aws(s3, ec2), git, jenkins, docker, rabbitmq.
2014 Insidetracker.com
— recommendation service based on blood analysis.
Tasks: Analyze performance, prepare reports and improve performance kpi of service.
Refactoring/Development of new functionality.
Technologies: php, js, mysql, git, redis.
2013 WorldOfTanks
— The official forum of the game WorldOfTanks.
Tasks: Development of new functionality, performance optimization.
Technologies: php, mysql, sphinx, redis, git, jira.
2008 Computer
science teacher (Minsk state regional lyceum)
— Teaching computer science courses in senior 10-11 grades.
— Preparation of students for programming Olympiads and scientific and practical
conferences.
2007 Computer
science teacher (Berezino state gymnasium)
— Teaching computer science course in grades 6-11
— Preparation of students for scientific and practical conferences
Track records:
— Diploma of the III degree of the contest "Information and communication technologies in the
educational space of the Minsk region" in the nomination " Software products developed by
teachers and students"
Education
2006 Belarusian
state pedagogical university (Minsk)
Specialty: Teacher of physics and computer science.
