Overview
Work History
Education
Skills
Project 1
Project 2
Accomplishments
Timeline
Generic

SAMUEL Zih

Washington D.C

Overview

3
3
years of professional experience

Work History

Software Engineer

Instaacoders
Delhi
01.2023 - Current

Technologies: TypeScript, React, Next.js, NestJS, Elasticsearch, Redis, Kafka, PostgreSQL, CDC, Kubernetes, Prometheus, Grafana

  • Search Optimization: Built Elasticsearch integration with NestJS backend services, reducing search API response times by 60% (1200ms → 500ms)
  • Full-Stack Performance: Developed React (TypeScript) frontend components with optimized data fetching from Next.js API routes
  • System Scaling: Designed microservices architecture using Redis caching and Kubernetes orchestration, handling 15k RPM at peak (50% increase)
  • Database Performance: Implemented Redis cache layer for PostgreSQL read operations, improving access speed by 40%
  • Data Pipeline: Engineered CDC solutions with Kafka message streaming, maintaining 99.9% service-to-service data consistency
  • Observability: Configured Grafana/Prometheus dashboards for NestJS services, reducing incident resolution by 30%

Software Engineer

Xearth
04.2022 - 12.2022

Technologies: Node.js, Express, gRPC, Docker, Kubernetes, Jenkins, GitLab CI/CD, GCP, JWT, OAuth 2.0*

  • Engineered Jenkins/GitLab CI/CD pipelines reducing deployment time by 40% (25→15 mins) and enabling 50+ daily deployments
  • Built high-performance Node.js/Express REST APIs improving throughput by 25% with gRPC integration (35% latency reduction)
  • Implemented JWT/OAuth 2.0 authentication with RBAC, reducing security incidents by 50% through token rotation and rate-limiting
  • Containerized services with Docker achieving 30% cost savings, integrated with Google Cloud Build and Kubernetes
  • Designed gRPC microservices with Protocol Buffers, reducing inter-service latency by 30% through efficient serialization

Education

Master of Science - Computer Science

University Of South Dakota
Usa South Dakota
05-2027

BTECH - COMPUTER SCIENCE AND ENGINEERING

Lovely Professional University
Punjab, India
04.2024

Skills

Technical Skills
Frontend:JavaScript ,TypeScript, Reactjs, Nextjs, Flutter, HTML5, CSS3, SASS, TailwindCSS,
Backend: Nodejs, Expressjs, NestJS,Go, Python,
Databases & Caching: PostgreSQL, MongoDB, Redis (Caching, Pub/Sub, Geohashing)
APIs & Services: RESTful APIs, GraphQL, gRPC, Protocol Buffers, Google Maps API, Agora API, Twilio API


Cloud & DevOps: Docker, Kubernetes, AWS, GCP, Jenkins, Firebase
System Design: Microservices, Event-Driven Architecture, RabbitMQ, Apache Kafka
Mobile: Flutter, APNS, Firebase Cloud Messaging
Tools: Git, WebSockets

Project 1

Hasher – Expert Consultation Platform | Personal Project

Developed a cross-platform expert-client consultation app to facilitate affordable, global, domain-specific knowledge sharing.

Technologies: Flutter, NestJS, TypeScript, Agora API, Twilio, Google Auth, Docker, Firebase, OAuth 2.0

  • Built a Flutter-based mobile app with Agora API for seamless, real-time video consultations, enabling secure, high-quality interactions.
  • Designed a scalable NestJS (TypeScript) backend with Docker for containerized deployment, ensuring maintainability and cloud readiness.
  • Integrated Twilio for OTP-based phone authentication and Google Auth for streamlined sign-in, improving user onboarding security.
  • Implemented expert-client matching, scheduling, and payment modules to enhance end-to-end service delivery.
  • Utilized Firebase (or alternative DB) for data storage and real-time updates, optimizing performance for global users.

Project 2

AuragoFood – Intelligent Food Delivery Platform | Personal Project
Technologies: Go, Flutter, Redis, PostgreSQL, Docker, Google Maps API, WebSockets, Firebase Auth, Mobile Money APIs
[GitHub]

  • Developed end-to-end food delivery solution using Flutter for cross-platform mobile app and Go for high-performance backend services
  • Implemented AI-powered taste profiling system analyzing ingredient-based flavor intensities (hinted to very strong) and user reviews to generate accurate food recommendations
  • Engineered real-time logistics with Redis geohashing for efficient driver-restaurant matching (Google Maps API for optimal routing
  • Designed robust backend architecture with PostgreSQL for transactional data, Redis Pub/Sub for real-time notifications, and WebSockets for live order tracking
  • Integrated mobile money payments and implemented secure authentication using Firebase Auth
  • Optimized system performance through Docker containerization, achieving 90% uptime under 10k+ concurrent users in stress tests

Accomplishments

Leadership & Awards

  • Hult Prize Champion: Led campus team to victory in 2020, advancing to regional finals (top 2% of 25,000+ global teams)
  • NSMQ National Champion: Won Ghana’s premier STEM competition (2017) with perfect scores in advanced mathematics
  • Government of Ghana Scholar: Awarded full academic scholarship to India for Computer Science (2018) based on top 0.5% national exam performance
  • Valedictorian: Recognized as top graduate scholar (2013) with full-tuition high school scholarship

Timeline

Software Engineer

Instaacoders
01.2023 - Current

Software Engineer

Xearth
04.2022 - 12.2022

Master of Science - Computer Science

University Of South Dakota

BTECH - COMPUTER SCIENCE AND ENGINEERING

Lovely Professional University
SAMUEL Zih