Software Engineer

Zachary Kublalsingh

I build reliable backend systems and polished full-stack products focused on performance, scalability, and developer experience.

Profile

About

Computer Science student and software engineer with experience shipping full-stack applications, API platforms, and automation pipelines. I focus on writing maintainable code, designing resilient services, and delivering measurable product impact through pragmatic engineering.

Selected Work

Projects

Ledgerly

Privacy-first personal finance platform that ingests transaction emails, normalizes records, and provides explainable spending insights.

Designed idempotent ingestion and reconciliation flows for reliable retry-safe processing, with secure authentication and auditability.

FastAPIPostgreSQLCeleryRedisAWSTypeScript

PersonaLab - NYU HACKATHON Winner 2026

Distributed AI testing tool where autonomous browser agents simulate diverse user personas across product workflows.

Implemented asynchronous job orchestration with queue-backed retries and state recovery to improve task completion reliability.

Next.jsTypeScriptRedisBullMQPrisma

ApplicationFlow

Full-stack job application management platform with secure authentication and workflow tracking for end-to-end recruiting stages.

Built scalable APIs and dashboard views to support real-time status updates, filtering, and actionable application analytics.

Next.jsReactSupabaseTypeScriptPostgreSQL

AcneScan AI

AI-assisted dermatology web app for image upload, model inference, and structured result presentation.

Developed a production-style full-stack pipeline integrating model inference endpoints with secure user flows and persistent storage.

Next.jsPythonFlaskTensorFlowSupabase

Professional

Experience

Head Teaching Assistant, Data Structures & Algorithms

New York University - New York, NY

Dec 2025 - Present

  • Lead a team of 12 course assistants and coordinate grading workflows for high-volume programming assignments and exams.
  • Support 150+ students in algorithm design, asymptotic analysis, and implementation quality through office hours and technical reviews.
  • Standardized feedback patterns and debugging guidance to improve turnaround time and code quality across the course.

Cybersecurity Intern

Phoenix Park Gas Processors - Trinidad and Tobago

Jul 2025 - Aug 2025

  • Automated security analysis workflows for vulnerability triage and detection-rule tuning to improve reliability of alerting.
  • Built reproducible incident-response documentation and hardening checklists that improved operational readiness.
  • Delivered risk-prioritized remediation recommendations across network exposure, access policies, and monitoring coverage.

Software Engineer Intern

Medical Student AI - Trinidad and Tobago

Jul 2024 - Aug 2024

  • Redesigned and rebuilt core product pages with Next.js and Tailwind CSS, improving consistency, responsiveness, and engagement metrics.
  • Developed backend-supported exam generation flows for a 2,000+ question bank, reducing test assembly time to under one minute.
  • Implemented reusable UI and data patterns that accelerated feature delivery across multiple learning modules.

Technical Stack

Skills

Languages

PythonTypeScriptJavaScriptSQLJavaC++C

Frontend

ReactNext.jsTailwind CSS

Backend

FastAPIREST APIsNode.jsCeleryRedis

Infrastructure & Tools

AWSDockerPostgreSQLGitGitHub Actions

Get In Touch

Contact

I am actively looking for software engineering internships and collaborative opportunities. Feel free to reach out.