Resume

Software Engineer • 8 Years Experience

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Ezechukwu Emereuwaonu

Professional Summary

High Agency Software Engineer with 8 years of experience building dynamic web applications and high-impact systems. Proficient in full-stack development with TypeScript, React, NextJS on the frontend, and Golang, Java, Spring Boot for backend systems. Experienced in cloud infrastructure, CI/CD pipelines, and distributed systems. Master's degree in Big Data Technologies with a focus on AI and Machine Learning.

Work Experience

Software Engineer

Smartsheet (Acquired by Blackstone & Vista)

December 2024 – Present
  • Triaged bugs and issues, provided on-call support for production systems using Datadog and EFK tools.
  • Contributed to features in a Go-based execution engine handling up to 150K events/sec, powering 10% of automated workflows.
  • Implemented mTLS support for secure communication between services and temporal execution engine.
  • Deployed services to Kubernetes using Terraform and Terragrunt across multiple environments.
  • Supported database upgrades and improved upgrade strategy with blue-green deployments for all environments.
  • Migrated endpoints from a legacy java system to a new go-based engine, enabling automation flows for a new architecture.
  • Led design reviews for new automation features.

Software Engineer

Intelligent Innovations

July 2021 – August 2024
  • Designed and implemented core features for a new banking system using Java, Spring Boot, Hibernate, and Oracle, enhancing data processing speed by 30%.
  • Participated in the complete software development lifecycle (SDLC) from requirement analysis to deployment.
  • Created backend service for managing billing-based loans' lifecycle including eligibility checks, disbursement, repayments, penalties, fund management, and status tracking.
  • Developed USSD and menu manager service for handling queries on GSM-based cellular networks.
  • Implemented card management functionalities such as issuing, managing, disabling, and blocking cards.
  • Engineered airtime and data purchase features with integration to multiple third-party services.
  • Collaborated with Engineers, Product Managers, and cross-functional teams to enhance product quality and knowledge.

Software Integration Engineer

Flutterwave

February 2019 – February 2022
  • Developed SDKs in Python, JavaScript, and PHP to simplify API-client integration.
  • Managed and enhanced developer tools and community platforms to support a thriving developer ecosystem.
  • Enhanced technical integration for a major client, leading to a 70% reduction in client support requests.
  • Led strategic partnerships with enterprise clients, directly impacting 80% of company revenue.
  • Collaborated with diverse teams to enhance client experience and share product knowledge effectively.
  • Provided guidance to clients on payment security best practices, 3D secure, and PCI-DSS compliance to build trust and foster long-term relationships.

Frontend Engineer

Dream Big Labs

May 2018 – January 2019
  • Worked as the founding frontend engineer to create a JavaScript widget and SDK that served over 30K+ customers by pulling posts from TikTok and Instagram.
  • Built a dashboard in ReactJS to control the widget customization while simplifying integration processes to major social networks.
  • Improved dashboard performance by implementing performance improvements modifications like lazy loading, deferring API calls on NodeJS endpoints.
  • Significantly improved the organization's page speed and scalability through creative combinations of React and JavaScript.

Education

MSc. Big Data Technologies (2023)

University of Westminster

BTech. Information Management Technology

Federal University of Technology Owerri

Technical Skills

Frontend

TypeScript, React, NextJS, JavaScript, HTML/CSS, Tailwind CSS

Backend

Golang, Java, Spring Boot, Node.js, RESTful APIs, Microservices

Database & Tools

Oracle, MySQL, PostgreSQL, MongoDB, Redis

DevOps & Cloud

Kubernetes, Docker, Terraform, Terragrunt, CI/CD, AWS, Monitoring, Datadog