Spearheaded the complete development lifecycle for personalized features, engaging clients directly from initial scoping and requirements gathering through to final design, deployment and ongoing maintenance, resulting in a 30% increase in user retention.

Architected and implemented centralized JWT validation middleware, reducing security incidents related to unauthorized access by 100%, and managed JWT shared secrets via Kubernetes.

Cultivated engineering talent by mentoring an intern engineer on software development best practices and team workflows, fostering their growth into a promoted Junior Engineer role.

Ensured 90%+ data integrity across an 800k+ user base by designing and implementing a robust event tracking validation system, enabling reliable product analytics of user engagement.

Improved Front-end file-type rendering accuracy by 100% by designing and implementing a Node.js API endpoint that listens for AWS S3 callback, to capture the file MIME type, and other metadata to the database.

Collaborated closely with product and frontend partners within a compact team to deliver the backend infrastructure for a high-impact onboarding redesign, boosting success rates by 40%.

Achieved a 60% load time by transforming a slow, data-heavy page into a responsive interface by integrating efficient pagination, filtering logic, and optimizing MongoDB aggregation pipelines.

Guaranteed build integrity, and UI/UX coherence by leveraging Node.js, Docker, and SSH tunnels to replicate production-like environments locally, enabling pre-merge testing, increasing successful promotion and code quality by 25%.

Created and monitored key product features on Datadog, and alert the Engineering team when an abnormality occurs, and allowing Engineer to focus on creating new feature, increasing productivity by 20%.

Created Slack alert on critical system features reducing downtime and potential system failures by 50%.