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I'm Adrian Donat, a Senior Full Stack Software Engineer with over a decade of experience delivering scalable backend systems and dynamic frontends. I specialize in Python backend development, AI/ML integration, and full-stack web applications for fintech, SaaS, and eCommerce. I enjoy mentoring engineering teams, optimizing system performance, and turning complex problems into clean, maintainable architectures. I'm passionate about AI-driven automation and delivering secure, high-performance solutions.…I'm Adrian Donat, a Senior Full Stack Software Engineer with over a decade of experience delivering scalable backend systems and dynamic frontends. I specialize in Python backend development, AI/ML integration, and full-stack web applications for fintech, SaaS, and eCommerce. I enjoy mentoring engineering teams, optimizing system performance, and turning complex problems into clean, maintainable architectures. I'm passionate about AI-driven automation and delivering secure, high-performance solutions.

Adrian Donat

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

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I'm Adrian Donat, a Senior Full Stack Software Engineer with over a decade of experience delivering scalable backend systems and dynamic frontends. I specialize in Python backend development, AI/ML integration, and full-stack web applications for fintech, SaaS, and eCommerce. I enjoy mentoring engineering teams, optimizing system performance, and turning complex problems into clean, maintainable architectures. I'm passionate about AI-driven automation and delivering secure, high-performance solutions.…I'm Adrian Donat, a Senior Full Stack Software Engineer with over a decade of experience delivering scalable backend systems and dynamic frontends. I specialize in Python backend development, AI/ML integration, and full-stack web applications for fintech, SaaS, and eCommerce. I enjoy mentoring engineering teams, optimizing system performance, and turning complex problems into clean, maintainable architectures. I'm passionate about AI-driven automation and delivering secure, high-performance solutions.

Available to hire

I’m Adrian Donat, a Senior Full Stack Software Engineer with over a decade of experience delivering scalable backend systems and dynamic frontends. I specialize in Python backend development, AI/ML integration, and full-stack web applications for fintech, SaaS, and eCommerce.

I enjoy mentoring engineering teams, optimizing system performance, and turning complex problems into clean, maintainable architectures. I’m passionate about AI-driven automation and delivering secure, high-performance solutions.

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Work Experience

Senior Software Engineer at Techwave Consulting

March 1, 2022 - Present

Designed and developed Python (FastAPI/Django) microservices for core SaaS modules (orders, users, products, shipping). Built React-based admin dashboards with reusable components, delivering a 25% velocity improvement. Implemented real-time analytics via WebSockets and dashboards; Integrated GraphQL and REST APIs with optimized data fetching and caching. Applied Redux and Zustand to reduce over-fetching and improve load times. Implemented role-based authentication with JWT across frontend and backend. Developed AI-powered features including a recommendation engine and a semantic chatbot using LangChain and OpenAI API. Designed semantic search workflows with Pinecone vector DB, boosting search relevance by 40%. Used Celery and Redis for background tasks (payments, notifications, data sync). Optimized PostgreSQL queries and MongoDB pipelines. Automated deployments with GitHub Actions, Docker, Terraform; achieved zero-downtime rollouts. Deployed on AWS ECS/Lambda and RDS with monitoring

Backend Engineer at IXOPAY

March 1, 2019 - February 28, 2022

Developed Python microservices (Flask/FastAPI) for a fintech payments platform, replacing legacy PHP systems. Integrated global payment gateways (Stripe, Adyen, Braintree) with fraud detection APIs. Introduced AI-based transaction monitoring using PyTorch anomaly detection models flagging high-risk activity in real-time. Built secure token-based authentication with Flask-Security and JWT. Migrated services to Dockerized workloads deployed on AWS Lambda and ECS. Improved backend performance with PostgreSQL query optimization and Redis caching. Automated testing and deployments using Pytest, Postman, and GitLab CI/CD. Collaborated in Agile teams across engineering, QA, and product for continuous delivery.

Web Developer at Deloitte Digital

October 1, 2015 - March 31, 2019

Built Python (Django/Flask) and Node.js APIs powering enterprise eCommerce platforms. Developed internal tools with React and Django REST Framework, improving workflows. Enhanced Magento ↔ Python microservice integrations, reducing technical debt. Implemented checkout and payment module optimizations, boosting conversion rates. Delivered projects in Agile environments with close collaboration among design, QA, and business teams.