Alla – PHP, Laravel, Vue.js

Carrier platform solution for SIP providers to build VoIP services

• Reverse-engineered domain-specific business logic from legacy code.
• Ensured data migration with no data loss, and adjusted data structure and storage.
• Created and optimized requests to third-party APIs and internal APIs.
• Built a Token-Based Authentication Server for stateless authentication.
• Developed an OAuth2 Server to facilitate secure delegation of access to resources.
• Built a deployment pipeline using GitLab
• Started as a backend developer and advanced to a senior developer role as project requirements shifted.

Company's flagship product, a no-code pagebuilder tool.

• Utilized Nest.js to develop RESTful APIs and implement business logic.
• Next.js for server-side rendering (SSR) to enhance client-side performance.
• Managed data storage using Redis, and DocumentDB.
• Integrated with numerous third-parties MAPs and their APIs.
• Implemented queues and asynchronous processes for efficient task management.
• Utilized GitHub Actions for CI/CD to streamline deployment processes.
• Set up monitoring with New Relic and logging with OpenSearch.
• Designed the system with an event-driven architecture.
• Utilized LLM (OpenAI API) for automated content tagging
• Coordinated with stakeholders to determine the requirements.
• Planned and coordinated the product's technical aspects, defined the project scope and objectives, and outlined project milestones and timelines.

A platform where businesses grouped by region share their feeds. Build to support local communities. Content is pulled from various social media.

• Conducted comprehensive project planning and efficient coordination throughout the development lifecycle.
• Architected solutions and implemented robust and scalable code.
• Led the deployment process and set up the server environment.

A data and advertising business that delivers multiscreen campaigns for Small Businesses, Local, Regional, National, Political, and Multicultural advertisers and their agencies.

• Set up a data warehouse to display ad reports.
• Worked on the data layer and developed ETL jobs to automate data retrieval from BigQuery to MSSQL using Apache Airflow.
• Developed a data flow capable of efficiently migrating terabytes of data daily, processing it, and then loading the processed data into an SQL database. The tool was designed to consolidate statistics, which can now be utilized to generate comprehensive reports.

Worked on 2 products:

1. Flight planning and dispatch;
2. Crew management. Both were used by the biggest air carriers around the globe. This is a non-user-facing software.

• Customized main products per customer requirements
• Ensured compliance with regulatory requirements
• Ensured compatibility with legacy systems (used BDD approach)

Created an embeddable payment form generator that seamlessly integrates with Stripe and PayPal as payment processors. Additionally, the system efficiently processes marketing data and transmits it to HubSpot CRM for streamlined management and tracking.

• Collaborated with the team to architect the backend infrastructure. Design the database schema, API endpoints, and backend services, ensuring scalability, security, and maintainability.
• Led the integration efforts with Stripe and PayPal payment processors.
• Oversaw the seamless integration of the payment form generator with HubSpot CRM. Coordinated with the Hubspot support team to publish the app on the Hubspot Marketplace.

An adult gaming platform focused on browser, downloadable, and mobile games, offering microtransactions and purchasable options.

• Designed and developed different backend components of the large-scale and high-traffic gaming platform.
• Participated in building the web application itself and several APIs and services (payments, data warehouse, authentication/authorization).