Max – Typescript, Vue.js, Nuxt.js

Backend development for Ukraine’s largest iGaming platform, focusing on frontend migration to a CMS for streamlined content management. Implemented a backend aggregator to simplify and accelerate integration of new game providers. Ensured system scalability and performance in a high-load, real-time environment.

– Developed core backend service supporting the platform that generated over $5M in monthly transactional revenue. – Executed CMS frontend migration, increasing speed-to-market by over 50% and enabling 4 new brand launches. – Improved stability by implementing Sentry, proactively resolving 90% of critical user-facing errors. – Optimized DB queries/schema, reducing primary DB load by 25% to handle peak traffic demand. – Built a high-load aggregator standardizing 15+ providers and cutting new partner integration time by 40%.

Large-scale British ad tracking platform built on a microservice architecture and using real-time data processing, analytics, and campaign management.

– Drove customer adoption by integrating multi-channel ad data (YouTube, Facebook), increasing client usage of cross-platform metrics by 15%. – Implemented an AI engine to deliver unique ad recommendations, boosting client campaign ROI by an average of 20%. – Optimized data services for Stripe and Lighthouse analytics, cutting dashboard load times by 40%. – Implemented microservice architecture, increasing fault tolerance and reducing downtime by 20%.

Online platform for calculating investors and company capital, aimed for the financial sector with support for hierarchy of users at the level of parent funds, funds, companies, participants. The main purpose of the application is to automatically calculate investments, sizes, returns, etc. based on the information provided.Main functionalities are vesting schedules, vesting rules, cliff, capital tables.

-Implemented of backend on Node.js and Frontend on Nuxt + Vue according to requirements and user feedback. -Refactored of hole backend application. -Implemented of new user management with roles hierarchy and hole app integration. -Implemented new logic for capital account and capital table -Made DB schema improvements -Established regular guide calls with client to teach or explain some coding staff or things related to DB schemas

Ukrainian software development agency, delivering different kind of projects in niches from healthcare to finance.

– Built responsive, modular user interfaces using Vue.js, React.js and Node.js, ensuring maintainable and scalable code for long-term client projects. – Led a full UI redesign and codebase refactor of several projects, cutting data loading times by 50%, significantly enhancing user experience. – Used Tailwind’s utility-first approach to deliver clean, customizable, and scalable visualizations that help stakeholders monitor real-time metrics and trends effortlessly. – Built and deployed interactive analytical dashboards on AWS (EC2, S3,Lambda) to deliver real-time data insights, high availability, and seamless scalability. Optimized performance and security of the projects by using AWS’s serverless architecture and managed infrastructure for reliable, cost-efficient analytics solutions. – Implemented CI/CD pipelines using Gitlab, Bitbucket and GitHub Actions, improving deployment speed by 90% and streamlining release processes for clients.