Responsibilities:

1. Developed and maintained services powered by neural networks
2. Conducted internal research and POCs
3. Educated and mentored product development teams
4. Helped shape engineering policies and best practices
5. Built and evolved an internal testing automation platform
6. Designed and maintained libraries and services for test automation
7. Supported hiring and onboarding for strong cross-functional product teams
8. Promoted and nurtured internal engineering culture

Achievements:

1. Initiated and led the company’s open-source initiative
2. Automated test coverage generation based on OpenAPI specifications
3. Built an AI service that automatically generates test cases, code reviews, and business scenarios
4. Took part in designing and executing the architectural migration to NestJS
5. Developed a benchmarking and metrics system to evaluate neural network quality
6. Contributed to hiring top talent into core business teams

Responsibilities:

1. Created a package for creating Discord bots with Nest.js
2. Provided support for the package users
3. Implemented new features and bug fixes

Achievements:

1. Published a package that has been downloaded over 1000 times
2. Gained a community of 100+ developers using the package
3. More 400 stars on GitHub

Responsibilities:

1. Developed the Backend-for-Frontend (BFF) using Node.js
2. Collaborated closely with backend and frontend developers
3. Implemented automated testing for backend functionality

Achievements:

1. Wrote a significant part of the BFF in Node.js, reducing the workload on backend developers
2. Reduced the time needed to identify backend-related bugs

Responsibilities:

1. Designed the overall platform architecture: created an infrastructure diagram and described key components
2. Prepared technical documentation: functional diagrams for modules, API specifications, user permissions documentation
3. Developed CI/CD processes (GitLab CI, Docker) for automated build, test, and deployment of services
4. Collaborated with the development team and stakeholders to clarify requirements and coordinate changes

Achievements:

1. Analyzed the existing system, identified bottlenecks, and provided recommendations to improve fault tolerance and security
2. Performed performance profiling of key modules: reduced average response time by 40% by optimizing resource-intensive processes
3. Designed and implemented migration from a monolithic application to a microservices architecture (using message queues and caching), improving scalability and maintainability
4. Set up automated monitoring and metrics collection (log aggregation, load monitoring), enabling rapid response to system anomalies

Responsibilities:

1. Team formation and hiring process
2. Performed regular code reviews
3. Integrated CI/CD pipelines using GitHub Actions
4. Managed project deployment with Docker and Kubernetes
5. Decomposed user stories together with the Product Manager
6. Mentored team members and provided onboarding support
7. Estimated feature development timelines and justified them to the business

Achievements:

1. Successfully built and onboarded a full development team
2. Established development processes within two months, including mentorship and code review routines
3. Modularized the application architecture by defining clear responsibility zones
4. Started transitioning from a monolithic architecture to microservices
5. Implemented message queues and caching mechanisms to improve performance
6. Introduced Domain-Driven Design (DDD) and Command Query Responsibility Segregation (CQRS)
7. Conducted a full development audit and documentation process

Responsibilities:

1. Developed analytics algorithms to estimate order completion time
2. Implemented a cost calculation module for final order pricing
3. Integrated ElasticSearch to enhance search functionality
4. Developed a spare parts tracking system
5. Set up CI/CD integration
6. Deployed the application on Kubernetes
7. Performed refactoring of the existing codebase

Achievements:

1. Significantly contributed to feature development and functional improvements, enhancing the user experience in choosing auto repair services
2. Designed and implemented analytics algorithms to optimize order processing times, improving service efficiency
3. Successfully refactored the legacy codebase to improve readability, scalability, and maintainability

Responsibilities:

1. Developed a new CMS database and migrated product data from 1C
2. Built a Telegram bot for placing orders
3. Participated in the design and architecture of the application

Achievements:

1. Developed an adaptive web version in a short timeframe
2. Improved skills in bot development
3. Conducted full application profiling and resolved performance issues

Responsibilities:

1. Designed a unique and engaging website UI
2. Implemented core project functionality and logic
3. Developed site layout and optimized it for SEO
4. Integrated payment gateways for online purchases

Achievements:

1. Created a fully functional e-commerce website from scratch
2. Achieved over 500,000 customers in a year with high conversion rates
3. Gained consistent organic traffic of 100+ unique visitors per day through SEO optimization