Available to hire
Senior Backend & Integration Engineer (.NET / C#) with 10+ years of experience designing and developing enterprise ERP, operational and financial transaction systems in the energy sector.
I specialize in service-oriented architectures, transactional reliability, and maintainable code. I’ve built REST and SOAP integrations with banks and field devices, implemented offline synchronization for devices, and led teams through Agile development practices.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
Turkish
Fluent
English
Advanced
German
Beginner
Work Experience
Senior Software Developer at Palmet Enerji A.Ş.
March 1, 2025 - November 9, 2025Lead analysis, design, development, maintenance, and performance optimization of large-scale enterprise applications for the energy sector. Built high-performance desktop apps using .NET Framework (C#) with multi-tier architecture, DI, design patterns, and loose coupling. Designed modern UIs with DevExpress, optimized SQL Server and Oracle queries, and implemented robust billing and consumption calculation modules with ACID-compliant transactions. Integrated XML/SOAP web services for data exchange with central warehouses and ensured high availability and testable code. Managed source control with Git/GitHub and aligned with energy sector regulatory requirements.
IT & Development Department Executive at ÖNDER MÜHENDİSLİK A.Ş.
March 1, 2025 - March 1, 2025Led IT infrastructure setup, server virtualization, network redesign, firewall policies, and backup strategy using VM technology and Veeam. Implemented Active Directory policies, website renewal using ASP.NET MVC 5, and ERP modules including Customer Tracking System, Product Prescription, System Reports, and Embezzlement System; coordinated software development in line with department needs.
IT & Development Department Executive at CEM BİALETTİ A.Ş.
December 31, 2022 - December 31, 2022Developed and deployed ASP.NET MVC 5 applications for sales orders with MSSQL; built Windows Forms and Windows Service components for data capture and logging; created a web-based reporting platform. Consolidated in-house software into a modular multi-layer architecture for maintainability and scalability.
IT Responsible & Web Developer at KESKİN KİMYA A.Ş.
December 31, 2020 - December 31, 2020Virtualized physical servers with VMware; delivered Information Systems software with ASP.NET and Oracle. Built financial reporting, CRM, budgeting, and HR modules; developed Windows Forms and web applications including furnace data monitoring and Siemens PLC data integration for remote operation.
Freelancer at Self-employed / Freelance
December 31, 2018 - December 31, 2018Delivered integration software for Micro ERP for restaurant orders via SQL databases and ASP.NET web app; developed Patient Follow-up Program with Windows Forms; created quality-control tools for production lines with personnel card reader integration; provided system security, server/network, and camera maintenance services.
IT System Support Person & Web Developer at UZMAR SHIPYARD
December 31, 2014 - December 31, 2014Maintained IT devices, implemented a Legal Tracking System with ASP.NET, developed vehicle-tracking web services, and built a data recording/reporting web app using Oracle Database for fleet management.
System Support Expert at KURUMSAL TEKNİK BİLGİSAYAR
December 31, 2011 - December 31, 2011Supported server and network infrastructure, virtualization with VMware, and delivered Information Systems software including ASP.NET, Oracle-based modules for finance, CRM, budgeting, and HR; built factory data monitoring applications and remote data collection from systems.
IT Intern at İZGAZ A.Ş.
December 31, 2006 - December 31, 2006Gained early exposure to IT operations, assisting in IT department tasks and infrastructure support.
Senior Full Stack Software Developer / Technical Lead at Palmet Energy / Palmet BT
March 1, 2025 - PresentDeveloped and modernized a company-wide ERP platform; designed backend services and integrations with desktop ERP apps, REST/SOAP banking integrations and field devices; implemented offline synchronization, debt tracking, billing and subscription processes; built dashboards and contractor web apps; migrated storage; established centralized logging and Agile workflows; acted as technical lead and mentor.
Software Developer & IT System Engineer at ÖNDER MÜHENDİSLİK A.Ş.
January 1, 2022 - March 1, 2025Hybrid role delivering internal information management system (ASP.NET MVC, MS SQL Server), digitizing operational processes, VPN connectivity, virtualization, backup/DR, and secure network configurations.
Software Developer & IT System Engineer at CEM BİALETTİ A.Ş.
January 1, 2020 - December 31, 2022Developed internal ERP-related web apps and reporting; centralized logging; modular multi-layer architecture; ERP updates and multi-department support.
IT Responsible & Web Developer at KESKİN KİMYA A.Ş.
January 1, 2018 - December 31, 2020IT infrastructure, ERP program management; VMware virtualization; financials/CRM/Budget web apps; reporting; remote monitoring; security; multi-department usage.
Freelancer
January 1, 2014 - December 31, 2018Software development and consultancy; built integration software for Micro ERP; Windows Forms and ASP.NET apps; healthcare and automotive sector projects; IT/server/network security support.
System Support Expert at KURUMSAL TEKNİK BİLGİSAYAR
January 1, 2008 - December 31, 2011IT infrastructure, virtualization, security; software development and ERP support across multiple sectors.
IT Intern at İZGAZ A.Ş.
January 1, 2005 - December 31, 2006IT department internship; gained early exposure to IT operations.
Education
Bachelor of Management at Anadolu University
January 1, 2016 - January 1, 2021Associate Degree in Information Technologies & Programming at Kocaeli Vocational School
January 1, 2006 - January 1, 2011High School Diploma in Computer Technologies – Development at İzmit Vocational High School
January 1, 2006 - January 1, 2011Bachelor at Anadolu University
January 1, 2016 - December 31, 2021Diploma at Kocaeli Vocational School - Information Technologies & Programming
January 1, 2006 - December 31, 2011High School Diploma at Izmit Vocational High School - Computer Technologies – Development
January 1, 2006 - December 31, 2011Qualifications
Microsoft Certified Solutions Developer (MCSD)
January 1, 2011 - November 9, 2025Advanced python programming tutorial from scratch
January 1, 2020 - November 9, 2025IOS and Android programming with Xamarin
January 1, 2019 - November 9, 2025Kaspersky Administration Kit Course
January 1, 2008 - November 9, 2025Advanced Python Programming Tutorial from Scratch
January 1, 2020 - December 31, 2020IOS and Android programming with Xamarin
January 1, 2019 - December 31, 2019MCSD (Microsoft Certified Solutions Developer)
January 1, 2011 - December 31, 2011Kaspersky Administration Kit Course
January 1, 2008 - December 31, 2008Industry Experience
Energy & Utilities, Software & Internet, Manufacturing, Professional Services, Telecommunications, Other
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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