Professional Summary
Senior Backend Engineer with 7+ years of experience specializing in distributed systems and microservices architecture.
Proven track record of improving system performance by up to 3x and reducing operational costs by 30%. Expert in migrating
monolithic applications to scalable microservices using AWS, Docker, and modern DevOps practices. Passionate about system
design, mentoring engineering teams, and building high-performance solutions.
Professional Experience
- Led migration of 7 microservices to GitHub Actions for deployment, optimizing workflows and enhancing deployment efficiency through streamlined CI/CD processes
- Reduced feed failures by ~30% and minimized database spikes by implementing a feed file processing solution, transforming a monolithic processor into microservices
- Mentored 3 engineers in task organization, work assignments, and resolving technical challenges
Tech Stack: Java, Spring, AWS Lambda, SQS, GitHub Actions, MongoDB, ECS, EC2, S3
- Migrated a monolithic web crawler to a microservice architecture, utilizing AWS Batch and implementing the Breadth First Search algorithm, resulting in a threefold increase in crawling speed from 58k URLs/hr to 165k URLs/hr
- Implemented a URL Frontier service incorporating data polling, preprocessing, and a sliding window rate limiter, enabling the submission of 16.5k domains/hr to AWS Batch
- Developed a Domain-Ingestion service that sanitizes and inserts new domains or subdomains in batches, resulting in an ingestion rate of ~500k domains/min
Tech Stack: Python, Ruby on Rails, AWS Batch, AWS Kinesis, Docker, Terraform, PostgreSQL, S3, Playwright, BeautifulSoup, Pandas
- Designed and deployed a Microsoft Teams Bot for sending notifications and handling more than 100 commands and queries
- Created Slack bot for Kumolus to inform clients about different Kumolus services, resulting in boost of client interaction by ~15%, receiving positive client feedback
- Integrated ServiceNow with Kumolus, empowering ~80% of clients to automate control over Kumolus services
Tech Stack: Python, Ruby on Rails, AWS, PostgreSQL, Microsoft Azure
- Normalized and modified e-commerce schema to provide support for adding different types of products to the cart, reducing queries and increasing ~35% speed of e-commerce pages
- Integrated the IVR system to convert call leads into orders, improving productivity of the operational team and increasing rate of manual orders by 28%
- Modified queue processing in the background system, saving 20% of overall SMS cost
- Implemented a virtual consultation tool for doctors and assistants, resulting in an increased patient satisfaction rate from 35% to 65%
Tech Stack: Ruby on Rails, MySQL, AWS, Redis, Sidekiq, JavaScript, AJAX, HTML, Bootstrap
- Improved APIs load time by using front-end and back-end optimization techniques, improving response time from 700ms to 250ms
- Built an admin tool for analyzing income, plotting graphs with different parameters, showcasing the data
- Integrated crypto transaction APIs for NEO, Tether, and LISK, which other projects consume
Tech Stack: Ruby on Rails, SQL, AJAX, Heroku, Node.js
Education
Coursework: Object Oriented Programming, Databases, Discrete Math, Data Structures And Algorithms, Operating Systems, Computer Networks, Advance Data Structures and Algorithms, Information Retrieval
