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I am a software developer with 8+ years of experience building large-scale web and mobile solutions across fintech, healthcare, and software engineering. I thrive in cross-functional teams and design maintainable, secure, and high-performance systems that align with business goals. I specialize in full-stack architecture, API design, and cloud infrastructure, focusing on automation, scalability, and long-term reliability. I’ve built cross-platform mobile apps with React Native and native Android/iOS development, integrated AI features, and enforced security, compliance, and CI/CD standards.…I am a software developer with 8+ years of experience building large-scale web and mobile solutions across fintech, healthcare, and software engineering. I thrive in cross-functional teams and design maintainable, secure, and high-performance systems that align with business goals. I specialize in full-stack architecture, API design, and cloud infrastructure, focusing on automation, scalability, and long-term reliability. I’ve built cross-platform mobile apps with React Native and native Android/iOS development, integrated AI features, and enforced security, compliance, and CI/CD standards.

Oleksii Buchnev

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

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I am a software developer with 8+ years of experience building large-scale web and mobile solutions across fintech, healthcare, and software engineering. I thrive in cross-functional teams and design maintainable, secure, and high-performance systems that align with business goals. I specialize in full-stack architecture, API design, and cloud infrastructure, focusing on automation, scalability, and long-term reliability. I’ve built cross-platform mobile apps with React Native and native Android/iOS development, integrated AI features, and enforced security, compliance, and CI/CD standards.…I am a software developer with 8+ years of experience building large-scale web and mobile solutions across fintech, healthcare, and software engineering. I thrive in cross-functional teams and design maintainable, secure, and high-performance systems that align with business goals. I specialize in full-stack architecture, API design, and cloud infrastructure, focusing on automation, scalability, and long-term reliability. I’ve built cross-platform mobile apps with React Native and native Android/iOS development, integrated AI features, and enforced security, compliance, and CI/CD standards.

Available to hire

I am a software developer with 8+ years of experience building large-scale web and mobile solutions across fintech, healthcare, and software engineering. I thrive in cross-functional teams and design maintainable, secure, and high-performance systems that align with business goals.

I specialize in full-stack architecture, API design, and cloud infrastructure, focusing on automation, scalability, and long-term reliability. I’ve built cross-platform mobile apps with React Native and native Android/iOS development, integrated AI features, and enforced security, compliance, and CI/CD standards.

Skills

Experience Level

Expert

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Expert

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Intermediate

Intermediate

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Intermediate

Work Experience

Full Stack Engineer at AmplifyX

September 1, 2025 - October 24, 2025

Full Stack Engineer for a fintech and music investment platform connecting artists and investors through royalty-based earnings. Built scalable web applications using Nest.js (backend) and Next.js (frontend), implementing modular architecture and high-performance APIs. Developed data dashboards and secure payment flows supporting real-time portfolio analytics and user transactions. Contributed to mobile extensions with React Native, ensuring design and feature consistency across web and mobile interfaces. Integrated AI-powered chat and voice assistants using OpenAI APIs and Twilio to improve onboarding and customer engagement. Managed CI/CD pipelines and cloud infrastructure with AWS (EC2, S3, RDS, Lambda), Docker, Kubernetes, and GitHub Actions for reliable delivery.

Full Stack Engineer at SaventicHealth

March 1, 2024 - October 24, 2025

Developed AI-enabled healthcare applications and optimized patient-care platforms for diagnostic centers and clinics. Built end-to-end web systems using Next.js (frontend), Node.js (backend), and PostgreSQL/MongoDB databases. Contributed to mobile feature development in React Native, extending patient dashboards and clinical data tools to Android and iOS. Designed HIPAA-compliant payment systems with secure gateway integration and RBAC. Integrated AI chatbot triage and AR-based measurement tools to deliver real-time patient engagement and diagnostics. Managed CI/CD pipelines and deployment infrastructure using Azure DevOps, Azure App Service, Azure Container Registry, Docker, Kubernetes, and GitHub Actions, ensuring automated and reliable delivery.

Junior Software Developer at Intelligenti

October 1, 2020 - October 24, 2025

Full Stack Developer for a software engineering company delivering customized web and automation solutions. Developed responsive, high-performance web applications using Vue.js, Node.js, and Express, backed by MongoDB. Designed and implemented a secure payments system integrating Stripe and PayPal gateways, ensuring PCI compliance and data protection with SSL encryption and two-factor authentication. Integrated a Dialogflow API (Google Cloud) AI assistant for real-time support, improving user interaction and customer satisfaction. Built and maintained a CI/CD pipeline using AWS CodePipeline, AWS EC2, and GitHub Actions, streamlining deployment and development efficiency. Developed responsive UIs with TailwindCSS for accessible experiences across devices.

Web Developer Intern at GenesisTech

July 1, 2018 - October 24, 2025

Gained hands-on experience contributing to a dynamic template recommendation engine. Worked with JavaScript (Angular and Node.js), PHP (Laravel), and Python (Django). Collaborated with cross-functional teams to design, integrate, and deploy features that enhanced platform functionality and user experience. Worked on scaling and optimizing the application using Docker, GraphQL, and AWS to ensure robust performance for a global user base. By the end, I could develop, manage, and scale large web applications.