John Sener
As a seasoned software engineer, I specialize in developing innovative software solutions that drive efficiency and performance across organizations.
About
As a seasoned software engineer, I specialize in developing innovative software solutions that drive efficiency and performance across organizations. With deep technical expertise and a strong foundation in software architecture and development, I build reliable, scalable, and user-friendly systems.
I have a proven track record of leading and mentoring development teams, ensuring high-quality delivery and continuous improvement. Known for my strategic thinking, clear communication, and creative problem-solving, I align technology solutions closely with business goals to deliver measurable impact.
- 13 years' experience
- Joined April 2026
Industry experience
- Software & Internet
- Real Estate & Construction
- Professional Services
Work experience· 5 roles
Designed and developed core backend services for a real estate analytics and service platform using .NET Core. Built advanced data pipelines with MongoDB and PostgreSQL, implemented background job processing and alerting with Hangfire and Elasticsearch. Developed dynamic, multilingual web features including interactive Google Maps and modular Razor components. Integrated MLS APIs for property data to enable large-scale analytics across US markets. Contributed to propbee.com project by building it from scratch.
Integrated a financial platform with an external fraud prevention system using .NET Core and RabbitMQ; improved fraud detection. Led performance optimization for scalability and high availability. Contributed to microservice-based architecture with Java-based services. Implemented observability with Elasticsearch, Coralogix, and Grafana; designed AWS Glue ETL jobs and AWS Lambda functions; engineered data pipelines from AWS to Snowflake. Built PowerBI dashboards for data-driven decision making.
Member of the Dutch development team responsible for further development, updates, and conversions of the Electronic Patient Dossier (EPD) software. Supported development of Asterisque, a comprehensive Hospital Management System, focusing on customer-centric improvements.
Education
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