
Benjamin Hajnal developed and enhanced user incentive and trading features for the IndexCoop/index-app repository over a three-month period. He built a referral system enabling users to share links and earn raffle tickets, integrating API changes with React-based UI updates for clear ticket tracking. Benjamin improved code quality by introducing pre-commit hooks for formatting and linting, and refactored API routes to streamline maintainability. He addressed leverage selection bugs by aligning frontend and backend enums in TypeScript, reducing user errors and improving trading reliability. His work demonstrated depth in full stack development, focusing on robust data handling, error resilience, and user experience.

January 2026: Delivered critical leverage selection fixes and UI improvements for IndexCoop/index-app, driving more reliable trading and clearer user choices. Implemented market prioritization for leverage types (USD tokens prioritized) and aligned frontend/API enums to reduce misconfigurations, plus introduced human-readable leverage labels to improve UX and decision-making.
January 2026: Delivered critical leverage selection fixes and UI improvements for IndexCoop/index-app, driving more reliable trading and clearer user choices. Implemented market prioritization for leverage types (USD tokens prioritized) and aligned frontend/API enums to reduce misconfigurations, plus introduced human-readable leverage labels to improve UX and decision-making.
Month 2025-12: Delivered user-focused features, stabilized data handling, and strengthened code quality for IndexCoop/index-app. Focused on business value through user incentives, reliability improvements, and maintainability to support scalable growth.
Month 2025-12: Delivered user-focused features, stabilized data handling, and strengthened code quality for IndexCoop/index-app. Focused on business value through user incentives, reliability improvements, and maintainability to support scalable growth.
November 2025: Delivered a referral system for the raffle feature in IndexCoop/index-app, enabling users to share referral links, earn tickets, and track referrals via API changes, complemented by UI enhancements (tooltip and layout) for displaying referral ticket information. Introduced a pre-commit hook to enforce code formatting, linting, and type checking before commits, improving code quality and consistency across the repo. No major regressions reported; focus was on business value through growth features and code quality improvements.
November 2025: Delivered a referral system for the raffle feature in IndexCoop/index-app, enabling users to share referral links, earn tickets, and track referrals via API changes, complemented by UI enhancements (tooltip and layout) for displaying referral ticket information. Introduced a pre-commit hook to enforce code formatting, linting, and type checking before commits, improving code quality and consistency across the repo. No major regressions reported; focus was on business value through growth features and code quality improvements.
Overview of all repositories you've contributed to across your timeline