Ghadi E.

Team Lead / Software Engineer

Software Engineer and Team Lead with 5+ years of experience building scalable, production-grade web applications across healthcare, iGaming, education, SaaS, and eCommerce. Strong expertise in React, Next.js, TypeScript, JavaScript, Node.js, and NestJS, with additional experience in Java and Spring Boot. Experienced in full-stack development, system architecture, API design, cloud infrastructure, third-party integrations, performance optimization, and technical leadership. Proven ability to take ownership of complex systems, work across unfamiliar codebases, and deliver reliable solutions from architecture through production.

Languages

Skills

Work Experience

Software Engineer

Innowise

Developed scalable frontend applications using React, Next.js, TypeScript, and JavaScript;
Built backend services and REST APIs using Node.js and NestJS;
Integrated third-party game providers, external APIs, and payment services;
Developed account, transaction, promotion, and game-related functionality;
Implemented real-time and asynchronous workflows for platform events and user activity;
Optimized API performance, database queries, and caching for high-traffic workloads;
Refactored legacy modules into more maintainable and scalable architecture.

Team Lead / Software Engineer

Innowise

Current

**WHITE-LABEL HEALTHCARE BOOKING PLATFORM — SMILE DOCTORS**
Team Lead / Software Engineer | 1 year
Technical Team Lead and hands-on Software Engineer working on a white-label healthcare booking platform serving 800+ practices and locations across the United States.
• Owned the end-to-end booking flow, including patient identity, session lifecycle, appointment scheduling, referrals, consent records, and third-party system integrations.
• Designed and implemented a multi-tenant brand and domain architecture, allowing hundreds of practices to operate through a shared platform with independent branding and configuration.
• Built modern applications using React, Next.js, Node.js, and NestJS, with Payload CMS and Sanity for headless content management.
• Integrated external healthcare systems through REST APIs and webhooks, including location-specific booking routing and automated workflows.
• Built new booking experiences and partner journeys while keeping customer-specific functionality isolated from the standard booking flow.
• Diagnosed and resolved complex session, identity, and race-condition issues, improving booking reliability and analytics accuracy.
• Stabilized Playwright E2E testing, eliminating test leaks and flaky workflows and improving overall test reliability.
• Contributed to Azure, Redis, cloud storage, and production infrastructure while coordinating technical delivery and release integration.
**IGAMING & ONLINE CASINO PLATFORM**
Software Engineer | 1 year
Full-stack development of a high-traffic online gaming platform with user accounts, game integrations, payments, and real-time functionality.
• Developed scalable frontend applications using React, Next.js, TypeScript, and JavaScript.
• Built backend services and REST APIs using Node.js and NestJS.
• Integrated third-party game providers, external APIs, and payment services.
• Developed account, transaction, promotion, and game-related functionality.
• Implemented real-time and asynchronous workflows for platform events and user activity.
• Optimized API performance, database queries, and caching for high-traffic workloads.
• Refactored legacy modules into more maintainable and scalable architecture.
**WHITE-LABEL E-LEARNING / LMS PLATFORM**
Software Engineer | 2 years
Backend-focused Software Engineer on a white-label learning platform supporting multiple organizations with independently configured branding, content, courses, assessments, and user experiences.
• Developed and maintained Java and Spring Boot backend services powering core LMS functionality.
• Designed and implemented REST APIs for courses, enrollments, assessments, users, progress tracking, and certifications.
• Designed service-layer architecture separating controllers, business logic, and data-access components.
• Implemented multi-tenant backend architecture supporting multiple organizations through shared services and configurable data.
• Integrated Payload CMS as a headless content management layer for courses, educational content, and organization-specific data.
• Integrated third-party services and payment providers through REST APIs and webhooks.
• Designed database models and optimized queries for high-volume course and user data.
• Collaborated with frontend developers to integrate backend functionality with React and Next.js applications.
• Contributed to architecture decisions, code reviews, refactoring, testing, and production issue resolution.
**REAL ESTATE AUCTION & MARKETPLACE PLATFORM**
Software Engineer | 1 year
Full-stack development of a real estate auction platform featuring live bidding, property listings, payments, and interactive user experiences.
• Developed frontend functionality using React and JavaScript.
• Built backend APIs for property listings, users, auctions, and bidding workflows.
• Implemented live auction functionality including countdowns, bid updates, and auction state management.
• Designed business logic for bid validation and auction workflows.
• Integrated Stripe and PayPal payment services.
• Developed dashboards for bids, payments, user activity, and platform analytics.
• Optimized database queries and application performance.
• Worked directly with stakeholders to translate business requirements into technical solutions.

Skills

ReactNext.jsTypeScriptJavaScriptNode.jsNestJSJavaSpring BootREST APIsMicrosoft AzurePayload CMSDockerHTMLCSSReduxTailwind CSSBootstrapi18nextChart.jsFigmaExpress.jsWebhooksPostgreSQLMongoDBMySQLRedisAzure App ServiceAzure Container RegistryAzure Blob StorageAzure Cosmos DB

Education

Computer Science and Software Engineering

Languages

Arabic

Native

English

Russian

French

Domains

Healthcare

iGaming

SaaS

Education

eCommerce & Retail

Hospitality & Restaurant Technology