Professional Engineering Timeline

Designed and built a mobile-first cleantech prototype for pre-demolition material assessment, recovery routing and QR-based digital material passports.

Developed the product architecture, simulation model, material-data structure, impact calculations, business model and technical roadmap for an Istanbul-focused pilot.

Combined AI-assisted estimation, uncertainty ranges, buyer/facility matching, chain-of-custody records and environmental reporting in one end-to-end workflow.

Delivered backend and full-stack solutions for startups and small businesses in finance, e-commerce and logistics.

Built REST APIs and business services using Python (Django/Flask), Java (Spring Boot) and Node.js/Express; designed secure integration patterns for third-party systems.

Developed React.js and Next.js dashboards, admin panels and operational tools with role-based workflows and responsive user interfaces.

Integrated payment gateways, CRM and ERP systems; managed secure data exchange, authentication, reconciliation and technical documentation.

Planned software architecture, automated testing, Docker-based deployment, AWS infrastructure and CI/CD workflows from development through release.

Designed core backend services in Python using Django, Celery and PostgreSQL for transaction-heavy fintech workflows.

Built customer-facing React.js dashboards with secure authentication, real-time updates and operational reporting.

Integrated third-party payment APIs and implemented automated reconciliation processes to improve financial-data accuracy and operational control.

Led a four-developer engineering team, managed sprint planning, code reviews, technical decisions and mentoring.

Migrated legacy services to containerised microservices using Docker and AWS, improving maintainability and deployment consistency.

Built REST APIs in Java with Spring Boot and integrated them with scalable MySQL data environments.

Implemented automated testing with JUnit and Mockito, contributing to a 30% reduction in reported software defects.

Collaborated with frontend engineers on React and Redux features, API contracts and end-to-end product delivery.

Implemented role-based access control, encrypted data layers and secure B2B integration workflows.

Produced API documentation, supported troubleshooting and improved code quality through reviews and refactoring.

Developed internal business tools and dashboards using Ruby on Rails and Vue.js.

Refactored a monolithic application into a modular architecture, improving deployment time by approximately 50%.

Built real-time reporting features using WebSockets, background jobs and structured data-processing workflows.

Created technical documentation and delivered onboarding sessions for new developers and technical users.

Supported production releases, investigated application issues and coordinated fixes across backend and frontend components.