Seda Şerefoğlu

Bilgisayar Mühendisi

Istanbul,34

Work History

Senior Operations Specialist

Türk Telekom Aş

06.2023 - Current

Implemented, configured, and administered application performance monitoring (APM) solutions such as AppDynamics, Instana, and Glowroot to ensure end-to-end observability across distributed systems.
Led performance analysis, capacity planning, and incident management activities to maintain system reliability and optimize service availability.
Developed Python-based API integrations to automate monitoring processes and enhance operational efficiency.
Performed root cause analysis (RCA) for application and system-level issues, providing actionable insights and preventive solutions.
Acted as a bridge between development and operations teams, ensuring seamless communication and efficient incident resolution.
Prepared and presented technical monitoring and performance reports to management, highlighting key findings and improvement opportunities.

Software Engineer

Emko Elektronik AŞ

11.2015 - 05.2023

Developed end-to-end web-based monitoring and control systems for generator and sensor devices, enabling real-time data visualization and remote management for end users.
Collected real-time data from devices via the Modbus communication protocol and processed it using Java-based services, storing it in a MySQL database.
Improved database performance through query optimization, indexing, and table updates.
Retrieved data using PHP with MySQL queries and implemented AJAX-based dynamic updates on the web interface for seamless user interaction.
Built interactive dashboards using PHP, JavaScript, HTML, and CSS, displaying real-time device data and control functions.
Developed C# service to communicate with devices via Modbus, capturing real-time alarms on the devices and delivering them to end users through SMS and email using a dedicated web service.
Implemented real-time communication between devices and the web interface using XMPP protocol and WebSocket technology.
Participated in an R&D project integrating the MQTT communication protocol into the web interface to enable real-time data exchange over an ActiveMQ-based broker.
Developed solutions following Object-Oriented Programming (OOP) principles and service-oriented architecture, ensuring system maintainability, scalability, and reliability.

Education

Computer Engineering - Computer Engineering

Mustafa Kemal Üniversitesi

Hatay

04.2001 -

Skills

Programming & Scripting: Java, C#, PHP, Python, JavaScript, HTML/CSS, C Frameworks & Libraries: Spring, Spring Boot, Hibernate, Reactjs, AngularJS, Nodejs, Bootstrap Databases & Data Management: MySQL, Oracle, MongoDB, Redis, Couchbase Protocols & Messaging: Modbus, MQTT, XMPP, WebSocket, ActiveMQ Monitoring & DevOps Tools: AppDynamics, Instana, Glowroot, Kibana, Grafana, Dynatrace Concepts & Practices: OOP, SOA, Microservices, REST API Design, Service-Oriented Architecture, Real-Time Systems Other Skills: Web application development, dashboard design, backend service development, automated alerting systems, SLA reporting and automation, performance optimization

Timeline