Veaceslav Rabota

Project: HR & Immigration Platform (SaaS) - Global HR and immigration platform enabling companies to hire, relocate, and manage international employees with full legal compliance.

• Acted as Tech Lead for the immigration pod, mentoring 3 engineers, leading sprint planning, and owning technical delivery for the quarterly roadmap.
• Architected and delivered 5+ end-to-end features for a global HR & immigration platform, automating visa workflows for thousands of international employees.
• Engineered scalable backend services using Node.js and DDD principles, creating a robust domain model to handle complex, compliance-driven business logic.
• Developed the corresponding frontend components in React and Next.js, ensuring a seamless user experience for HR managers and employees.
• Established automated end-to-end testing standards using Playwright, increasing test coverage for critical paths by 60% and reducing post-deployment bugs.

Project: Risk Portfolio Management Tool - for asset managers, hedge funds, and financial institutions, supporting investment analysis and risk monitoring.

• Built a high-performance risk portfolio dashboard using React and AG Grid, capable of rendering and live-updating over 50,000 data points with sub-second latency.
• Led the migration of the application's state management from Redux to React Query, simplifying data-fetching logic and eliminating ~30% of boilerplate code.
• Engineered reusable, data-intensive components that were adopted by two other teams, improving development consistency across the project.
• Increased test coverage from 40% to 85% with Cypress and Jest, which reduced pre-release bug reports from QA by nearly 50%.

Project: Telecom Microsoft Teams App Integration - Cloud-based telephony solution integrating full PSTN calling and business communication directly into Microsoft Teams, enabling hardware-free enterprise calling.

• Architected and delivered a serverless backend on AWS (Lambda, DynamoDB, SQS) for a Microsoft Teams telephony app, serving over 100 enterprise clients.
• Engineered the core integration layer between Microsoft Teams APIs and the company's PSTN services, enabling seamless in-app calling for thousands of end-users.
• Designed event-driven workflows with SQS and Lambda to ensure fault tolerance and reliably process over 1 million call-related events per month.
• Built the client-facing configuration dashboard in React, allowing admins to manage call routing and user settings without technical support.