Muhammad Z.

About Me

Experienced Full Stack Engineer with 5 years in leading React and Nest.js projects, leveraging the MERN stack. Proven ability in end-to-end project management, AWS DevOps, and mentoring teams. Expert in high-quality code standards, performance optimization, and cross-functional collaboration to drive successful outcomes.

AI, ML & LLM

Frontend

Backend

Python Python 3 Express.js Node.js REST APIs Stripe API Twilio API OpenAPI APIs API Integration

Database

DevOps

Jenkins Docker AWS Lambda Amazon Web Services (AWS) Kubernetes CI/CD Pipelines AWS DevOps

QA & Testing

Workflow

Other

Typescript Java SASS Ant Design Material UI Redux AdonisJS Serverless Framework Swagger NestJS Mapbox GL Stripe Sockets ArcGIS Chart.js GIS Web-GIS Auth0 Excel 2016 Stripe Checkout Canva Makefile ADONIS Apple Business Chat Bitbucket REST Design Patterns Data Science Management Automation Desktop App Development Agile Microservices Mapbox Mobile Twilio Android Elasticsearch Charts Axios Software Development Software Development Management Software Development Lifecycle (SDLC) Web Development Full Stack Development Engineering Software Engineering Front-end Web App Development Full-stack RESTful Routes Single Page Applications (SPA) Tables Reports Reporting Mapbox SDK Consulting SaaS Delivery Front-end Development User Interface (UI) DOM Architecture Data Visualization Technical Leadership MERN Stack Data Engineering Geospatial Data Maps UI Development Serverless Statistics User Experience (UX) Web & Mobile Applications Recommendation Systems Algorithms Back-end Responsive UI Single Sign-on (SSO) Software as a Service (SaaS) Customer Relationship Management (CRM) Stripe Payments Enterprise eCommerce eCommerce UI Team Leadership Software Architecture Product Development Sanity CMS Operating Systems Calculus Artificial Intelligence Mathematics Discrete Mathematics SIP Protocol VoIP WebSockets Webhooks App UI Revamps SIP Documentation JSDoc TypeORM Chatbots

Work history

Toptal
Full-stack Engineer
2022 - Present (3 years)
Remote

• Developed a GIS-based proof of concept in collaboration with clients and stakeholders, showcasing its potential to streamline business operations. This initiative led to securing the project, contributing to an estimated 20% increase in revenue. • Spearheaded the implementation of a multi-tenant GIS architecture, significantly enhancing scalability and flexibility by 30%, which contributed to a 15% boost in client acquisition and retention rates. • Engineered cost-effective GIS projects utilizing TypeScript, React, Mapbox, and Anaplan, reducing development costs by 25% while improving project delivery speed by 20%, leading to a 10% increase in overall client satisfaction. • Architect and data engineered the sales data set, optimizing visualization and analysis. This enhancement improved data processing efficiency by 40% and facilitated a 25% increase in actionable insights for sales strategies. • Developed the front end with React, Vite, and Ant Design, ensuring a user-friendly experience. Integrated AWS SES and S3, which enhanced scalability and reduced costs by 30%, resulting in a 15% increase in user engagement and satisfaction. • Designed and implemented AWS architecture, leveraging cloud technologies to achieve optimal performance. This resulted in a 40% improvement in system reliability and a 25% reduction in operational costs. • Built the backend using Nest.js and TypeScript, integrating Prisma and PostgreSQL for robust data management. This implementation improved data reliability by 35% and reduced database query times by 20%, leading to a more efficient and scalable application. • Implemented modern software engineering processes with Agile methodologies, CI/CD pipelines, Git for version control, and Jira for project management, resulting in a 20% increase in development efficiency and a 15% reduction in time-to-delivery.

Afiniti
Lead Front-end Engineer
2022 - 2022
Remote

• Remodeled the Avaya experience platform Agent application with a refined architecture using TypeScript, Next.js, and Azure. Bringing new tenants and increasing revenue by 12%. • Performed comprehensive code reviews to uphold best practices and coding standards. Worked on Bitbucket with Git for streamlined review processes. Leading to a 50% deduction in bugs and 25% deduction in development time. • Developed software with React, Next.js, and API integration to streamline support center setup for new clients in a SaaS environment hosted on a private cloud. Enabling small to medium-sized businesses to establish their support centers effortlessly. Increased revenue generation by 20%. • Enhanced a Next.js application with Redux Toolkit for streamlined API interactions. • Collaborated with internal stakeholders and design teams to ensure user-centric design decisions. • Developed Apple Business Chat features, including Apple authentication, payment, and survey forms, using React, Next.js, and WebSockets. Integrated Apple Business in a SaaS environment on a private cloud, enhancing customer engagement.

TheExpertsCloud
Lead Software Engineer
2019 - 2021 (2 years)
Remote

• Developed comprehensive training paths for new junior developers, aligning their abilities and roles within project teams. This resulted in improved team efficiency, reduced onboarding time, and enhanced collaboration. • Led end-to-end software development using React, Redux, CI/CD, and unit testing for the front end, along with Node.js, AdonisJS, and MySQL for the back end. Demonstrated technical leadership. • Architected and led the entire software development lifecycle from concept to deployment, utilizing technologies of Git, Docker, and CI/CD for efficient, scalable solutions resulting in a 15% increase in system reliability. • Developed a multi-tenant SaaS ERP with features like reports, payments, and map highlights. Built the backend with Python, MySQL, and AWS for scalability and performance. • Deployed and optimized the system on AWS, ensuring reliability and scalability. • Developed software for various industries, creating comprehensive training paths for new developers. • Led the development of Mapbox integration for interactive geospatial data visualization. Linked geospatial data with Mapbox and GeoJSON for an informative user experience. • Integrated DevOps practices, resulting in a 30% increase in deployment frequency and a 20% decrease in downtime.

Showcase

Agent Application | Afiniti Mega Cloud
  • Front-end engineer collaborated with back-end developers and DevOps professionals to create a high-performance user interface for a support center application in a cloud environment.

  • Utilized WebSockets, webhooks, and SIP protocols in the development of the interface.

  • Enhanced the UI for a seamless user experience for the business and its agents.

Quick Configuration
  • Spearheaded the development of an innovative application, 'Quick Configuration', aimed at simplifying the process of setting up a support center for individual users and small to medium-sized businesses

  • Maintained clear communication with the team and management to stay updated on requirements and handle any ambiguities in advance

  • Proactively addressed potential issues to minimize unnecessary workload and stress related to post-development corrections

GiddyOps
  • GiddyOps project involved conducting in-depth analysis and managing service center operations across diverse regions

  • The developer's role was to develop the backend using Python and Serverless framework, build a database with Alembic and SQLAlchemy

  • They also contributed significantly in implementing Mapbox successfully

Sonic Staff
  • Engineered a comprehensive application for efficient employee management, consolidating worker profiles with their experience and biographical information within a centralized platform

  • Implemented a secure payment solution for remunerating workers on mobile applications and web-based feature for employers to oversee shifts and tasks

  • Incorporated Twilio and Stripe to enhance the application's functionality

Optimal HCM
  • Generates comprehensive, real-time reports on human resource utilization for the organization

  • Facilitates identification of departments with higher expenditure or potential undercompensation

  • Enables effective revenue and profit management while predicting future resource growth

GoShop
  • GoShop is an Android app that simplifies the process of buying and delivering groceries.

  • It uses Firebase for data storage and implements real-time tracking with Google Maps API.

  • Improves user experience by featuring a recommendation system based on market basket analysis and frequent pattern growth.

Education

Education
Bachelor's Degree in Computer Science
National University of Computer and Emerging Sciences
2015 - 2019 (4 years)
Education
Diploma in Engineering
Forman Christian College
2013 - 2015 (2 years)