Ahmet Ersin Demirhan

Lead Software Engineer at QuikStor Security & Software
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Contact Information
us****@****om
(386) 825-5501
Location
Los Angeles, California, United States, US
Languages
  • English Professional working proficiency
  • Turkish Native or bilingual proficiency
Skills

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Farshid Mirza

Ahmet is very passionate and talented software developer and also one of my best trainees. His focus keeps everything moving smoothly, he makes sure all the deadlines are met and makes sure that whatever project he is working on meets the highest standards.He is an excellent engineer and a great asset to any company.

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Credentials

  • Silicon Valley - Entrepreneurship and Leadership Program
    Bahcesehir University Silicon Valley Campus
    Jul, 2013
    - Nov, 2024

Experience

  • QuikStor Security & Software
    • United States
    • Security and Investigations
    • 1 - 100 Employee
    • Lead Software Engineer
      • Dec 2019 - Present

      In charge of designing and building products or major features from concept to launch. Lead a cross-functional team to deliver timely, high-quality, and well-tested code. Conduct code review sessions. Brainstorm solutions with the development team Mentoring junior engineers and contribute to learning - Introduced continuous integration solution with TeamCity - Introduced signalr solution into the Architecture for real-time client monitoring and data feed. - Designed generic solution for Restful Api to introduce new features with a minimum amount of work. - Designed dynamic routing for localized multi-tenant CMS solution. - Designed generic background process framework stays alive on demand can execute streamed data sync, async or parallel. - Designed ETL processes to trasfer data from legacy products. Show less

  • Quikstor Software & Security
    • Van Nuys, CA
    • Software Engineer
      • Sep 2017 - Dec 2019

      Backend as the main focus: Full-Stack Development in the .Net Backend/ Angular Frontend Environment. Design, build and keep up capable, reusable, and strong features. Recognize bottlenecks and bugs, and devise answers for these issues Introduced code first approach, managed database migrations. Various 3rd party integrations: Twillio, Docusign, Hellosign, Converge(Elavon) Improvement of the System Security. - Introduced custuomized OAuth2 protocol into the system. - Role based access policy implementation on the restfull API - Client-side authentication client design with TypeScript. Improvement of the System Performance: - Constant time access permission control - Async/Task pattern implementation in C#. - Converted synchronous processes pipeline into independent parallel job execution. - Query optimization on Stored Procedures. Over 100% backend performance improvement with in six months. Show less

  • Freelance
    • San Jose, CA
    • Software Development Consultant
      • Jan 2017 - Aug 2017

      Remote development for previous projects. Design solutions for web applications and system infrastructure. API gateway and development design between client and services with Golang. Web application solutions for small business owners MVC application. Remote development for previous projects. Design solutions for web applications and system infrastructure. API gateway and development design between client and services with Golang. Web application solutions for small business owners MVC application.

  • T&G Workshop
    • Türkiye
    • Technology, Information and Internet
    • 1 - 100 Employee
    • Software Develope
      • Jun 2014 - Dec 2016

      Actively participated in more than dozen software projects for Industrial leader companies.- E-Commerce Applications(Service oriented designs developed with .NET MVC, Uses SQL Server, Couchbase and elasticsearch, memory caching- Redis, integrations with much different payment channel and ERP API’s) - Rest API (cooperated with data from e-commerce applications )- IaaS (developed with .Net and uses Windows Azure Pack.)[http://www.hepsibulut.com] - CMS Platform(developed with .NET, uses SQL Server) - Help Desk ApplicationDuties:- Responsible for all actions during software process- Designing solutions for Industrial need with powerful software has postmodern technologies- Detail analysis for requirements gathering - Defining project scope, solutions, plans, governance, risk/issues, resources- Project planning within agile - Full Stack Software Development- Unit Testing- Managing stakeholders and 3rd party suppliers- Evolving or redesigning legacy software- Database model designing- Communicate with customers to ensure their satisfaction- SCRUM Master- Managing the change requests- Team leading for Interns and Juniors, interview with new candidates and assign their daily tasks. Show less

    • Software Engineer Internship
      • Jan 2014 - May 2014

      - Full stack development in the production team.- Complete tasks for the support team.The main project I have worked, during my internship, was Logistics Interface for e-commerce system for "DESA" which is one of the market leader companies in the textile industry. this is a web based application to be used by retail stores and warehouse workers to request delivery orders for e-commerce customers. L.I. application has priority logic depend on store locations and stock quantities.

  • IAS - Industrial Application Software
    • Switzerland
    • IT Services and IT Consulting
    • 200 - 300 Employee
    • Software Engineer Internship
      • Jun 2012 - Aug 2012

      Received Canias ERP software developer and consultant certificate. Received Canias ERP software developer and consultant certificate.

Education

  • International Technological University
    Master's degree, Computer Software Engineering
    2017 - 2018
  • Bahçeşehir Üniversitesi
    Bachelor's degree, Computer Engineering
    2009 - 2015

Community

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