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Full Stack Engineer with 15+ years of experience building secure, scalable web and mobile applications across healthcare, cryptocurrency, and gaming. Skilled in modern frontend frameworks, backend development, microservices, cloud platforms, database optimization, and CI/CD. Proficient in building HIPAA-aligned systems with secure authentication/authorization, event-driven architectures, and automated testing and deployments. Experienced integrating healthcare standards/APIs (FHIR, HL7) and working with real-time, data-intensive systems including trading, wallets, and blockchain monitoring.…Full Stack Engineer with 15+ years of experience building secure, scalable web and mobile applications across healthcare, cryptocurrency, and gaming. Skilled in modern frontend frameworks, backend development, microservices, cloud platforms, database optimization, and CI/CD. Proficient in building HIPAA-aligned systems with secure authentication/authorization, event-driven architectures, and automated testing and deployments. Experienced integrating healthcare standards/APIs (FHIR, HL7) and working with real-time, data-intensive systems including trading, wallets, and blockchain monitoring.

Ace King Mengote

Full Stack Developer, Web Developer, Back-End Developer, +2

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Full Stack Engineer with 15+ years of experience building secure, scalable web and mobile applications across healthcare, cryptocurrency, and gaming. Skilled in modern frontend frameworks, backend development, microservices, cloud platforms, database optimization, and CI/CD. Proficient in building HIPAA-aligned systems with secure authentication/authorization, event-driven architectures, and automated testing and deployments. Experienced integrating healthcare standards/APIs (FHIR, HL7) and working with real-time, data-intensive systems including trading, wallets, and blockchain monitoring.…Full Stack Engineer with 15+ years of experience building secure, scalable web and mobile applications across healthcare, cryptocurrency, and gaming. Skilled in modern frontend frameworks, backend development, microservices, cloud platforms, database optimization, and CI/CD. Proficient in building HIPAA-aligned systems with secure authentication/authorization, event-driven architectures, and automated testing and deployments. Experienced integrating healthcare standards/APIs (FHIR, HL7) and working with real-time, data-intensive systems including trading, wallets, and blockchain monitoring.

Available to hire

Full Stack Engineer with 15+ years of experience building secure, scalable web and mobile applications across healthcare, cryptocurrency, and gaming. Skilled in modern frontend frameworks, backend development, microservices, cloud platforms, database optimization, and CI/CD.

Proficient in building HIPAA-aligned systems with secure authentication/authorization, event-driven architectures, and automated testing and deployments. Experienced integrating healthcare standards/APIs (FHIR, HL7) and working with real-time, data-intensive systems including trading, wallets, and blockchain monitoring.

Skills

Experience Level

Expert

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Expert

Expert

Expert

Expert

Expert

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Intermediate

Intermediate

Work Experience

Full Stack Engineer at Teladoc Health

August 1, 2024 - July 1, 2026

Developed secure healthcare platforms using React, Next.js, TypeScript, Tailwind CSS, and React Native, supporting patient registration, appointment scheduling, telehealth, and clinical workflows. Built responsive patient and provider portals for medical record access including labs, prescriptions, billing, and virtual consultations. Developed backend microservices with Node.js, NestJS, Java Spring Boot, and .NET to support patient management, scheduling, billing, notifications, and external healthcare integrations. Integrated FHIR, HL7, GraphQL, and REST APIs for exchanging patient, appointment, clinical, and insurance information. Implemented event-driven workflows using Kafka and AWS services for appointment updates and clinical notifications, and optimized PostgreSQL databases for core clinical and billing data. Implemented secure authentication and authorization using OAuth2, OpenID Connect, JWT, RBAC, and MFA, applying encryption, audit logging, least-privilege, and secure coding

Full Stack Engineer at Bit Go

January 1, 2020 - June 1, 2024

Developed cryptocurrency trading and digital asset management applications using React, TypeScript, JavaScript, HTML5, CSS3, and Redux. Built responsive interfaces for onboarding, portfolio tracking, market data, transaction history, deposits/withdrawals, and trade execution. Developed backend services using Node.js, Go, Java, and .NET Core for wallets, transactions, order processing, account management, and market data ingestion. Implemented high-performance Go services for transaction processing, blockchain event monitoring, balance reconciliation, and exchange integrations. Integrated REST and WebSocket services for real-time prices, order book updates, transaction confirmations, and account notifications. Built smart-contract integrations using Solidity, Web3.js, and Ethers.js for token transfers and blockchain monitoring. Used PostgreSQL/MySQL schemas for customers, wallets, trades, transactions, balances, and compliance records; used Redis for caching, distributed locking, rate l

Full Stack Developer at Sportsbet

June 1, 2014 - December 1, 2019

Developed online gaming and wagering applications using AngularJS/Angular and React along with TypeScript/JavaScript, HTML5, CSS3, and Bootstrap. Built responsive UI for player registration, game catalogs, live betting, bet slips, wallet balances, transaction history, promotions, and responsible-gaming controls. Developed backend services using Java, C#/.NET, Node.js, PHP, and Ruby on Rails for player accounts, wagering, payments, bonuses, and game integrations. Built high-performance Java and C++ services for concurrent bet processing, odds calculation, wager validation, and settlement processing. Implemented real-time updates using WebSockets and SignalR for live odds, game events, bet status, and player notifications. Integrated third-party casino games, sports-data feeds, payment processors, identity verification providers, and geolocation via REST/SOAP APIs. Designed wallet and ledger systems to track deposits, withdrawals, wagers, winnings, bonuses, and account adjustments with t

Full Stack Developer at Universal Health Services, Inc.

July 1, 2011 - June 1, 2014

Developed healthcare applications using Java, C#/.NET, PHP, Ruby on Rails, Django, JavaScript/jQuery, HTML, and CSS. Built electronic medical record and practice-management modules for patient registration, appointment scheduling, clinical documentation, prescriptions, lab results, and billing. Developed server-rendered patient and administrative portals using ASP.NET MVC, Django, Ruby on Rails, Symfony, and Bootstrap. Built and maintained SOAP and REST services for exchanging patient, appointment, lab, pharmacy, billing, and insurance information, including integration with hospital/lab systems using HL7 messaging and health data exchange interfaces. Implemented role-based access controls for physicians, nurses, administrators, billing staff, and patients; added authentication, session management, encryption, audit trails, and access logging to protect sensitive healthcare information. Designed and optimized database schemas and performance across SQL Server, MySQL, PostgreSQL, and Or