OKAN PULUKCU

EXPERIENCE

• 2018

  Lead Software Developer & IT Consultant

  WODENSOFT, LONDON, UK

  I am currently working as a lead .Net software developer. My main responsibilities are architecting, designing new applications and solving technical issues over the course of the projects.

  Main projects:

  CK Energy / 2023-

  • Working as a lead .Net developer. Supporting and managing a development team that has 5 .Net developers. Maintaining 20 .Net projects.�

  Global Family Office - London / England – 2020-2022

  • Design and development of mobile applications for IOS & Android platforms and design and development of a web portal. The Ionic platform was used for mobile applications. .Net Core and clean architecture were used for the web portal. All these platforms use the same MS-SQL database on Azure Cloud. An Azure web app is used with custom domain service on the Azure platform. Azure insight and dashboards were used for the monitoring. Auto-scaling rules were created for server scaling up and out on the Azure portal.

  Links of the mobile apps and web portal: IOS, Android, Web portal.

  Flair World Wide - Liverpool / England – 2019-2022

  • I developed a relational database on MS-SQL for the project and then I have been providing more than 200 REST API services for the client’s platform ‘Buy&Sell Designer’- a-state-of-the-art mobile application which when launched will change the global designer fashion industry indefinitely, a driving force for environmental sustainability. Database first approach were used. Azure Cloud Platform used as for building, deploying, and managing web and mobile applications. The utilization of data cache, content cache, and session store patterns has been implemented in Azure Cache for Redis.

  Tech staff used over the course of the project: Azure Web App, Azure Cosmos DB, Azure SQL Server, Azure Storage Account (Hot and Cool), Azure Virtual Networks, Azure CD/CI Pipelines, Key Vault, Private DNS zone, and Azure Network Interfaces, Azure Redis Cache.

  AliveX - Istanbul / Turkey – 2019-2020

  • Worked as a tech consultant and architect remotely from London for AliveX in Istanbul, Turkey. It was a special contract to solve performance problems on the Azure Platform. Bottlenecks were investigated, and application failures were traced via Application Insights on Azure. Performance recommendations were applied, and auto-scaling rules were created for server scaling up and out on the Azure portal. System costs decreased dramatically on the other hand system capacity increased for the Formula 1 Istanbul event by 1 million transactions per day and 250K unique users.

  Kafein - Vodafone – 2018-2019

  • Worked as DevOps Developer remotely from London for Vodafone Turkey via Kafein Technology. It was a special contract to solved production defects' root causes which were from Vodafone teams’ backlogged. Maintained CSM-compliant integration layer sync/async Order Management web services. Those services are using for to create connections between frontend (OSS, Siebel-CRM), backend services (KENAN, CSS, PRF) and outer systems such as (KKB, Mernis) on the middleware layer.

  I have hands-on experience in Azure Platform Architecture, Cosmos DB, Mongo DB, Redis, Azure Cloud, .NET 6, MVC, C#, NUnit, CoreWCF 1.0, Rest, Web Services, Postman, SoapUI, Azure DevOps, and Agile methodology.

• 2018 2014

  Integration & Middleware Solutions Senior Specialist

  VODAFONE, ISTANBUL, TURKEY

  Designing and developing software by scenarios following Agile practices (with various tools such as Shell Scripts, Java, PL-SQL, and OSM). Preparing and executing documented unit tests within a framework. Cooperating with the technical analysis & design teams.
  Participating and reviewing development design and code within the team. Preparing solutions of the defects and bugs seen in the production or test environments. Testing usability, scalability, performance, compatibility, reliability of software. Maintaining the old software by cycles of refactoring and testing them in order to achieve continuous delivery.
  
  Main projects:
  Participated in Genesis Transformation Program which aims to replace Legacy CRM & Billing systems. Before production deployment of this transformation program, supported Design and Test teams. After production deployment supported Triage and Operation teams, then became a member of Tiger Team (a kind of DevOps team) as a developer to solve failed orders and their root causes in the production environment immediately.
  
  Developed and maintained of Provisioning Framework (PRF) projects, such as 4G (LTE) services using Java, Shell Script, PL-SQL, Apache Kafka, JUnit and Jenkins.
  
  22 million GSM subscribers were transferred from DX HLR to NT HLR via developed Shell Scripts, and PL-SQL packages in the CSDB project. Over 100 GB-sized text files processing daily by these applications.
  
  Developed and maintained CSM-compliant integration layer sync/async Order Management web services to create connections between frontend (OSS, Siebel-CRM) and backend services (KENAN, CSS, PRF) on the middleware layer.
  
  I have hands on experience in Java SE, Jenkins, Junit, Maven, Eclipse, RAD, Shell Script, Unix, PL-SQL (inc. Package development), WSDL, XSD, XML, XPATH.
• 2014 2012

  Multi-Channel Architecture Consultant

  AKBANK, ISTANBUL, TURKEY

  I was redesigning and improving the usability of old-fashioned projects, and moving them from .NET 2.0 to the most recent framework. I used MVC Core, EF Core for development, MS-SQL for databases and TFS for CI/CD and third-party tools for this transformation such as Devextreme, Fluent Validation, Auto-mapper, and so on.

• 2012 2012

  Analyst Software Developer

  SEKERBANK, ISTANBUL, TURKEY

  Worked as an analyst developer who was responsible for analyzing, developing and maintenance of software modules of courier and card printing for the Credit Card Applications Development Department. Two weeks of sprints ran, under scrum methodology with agile development.

• 2012 2010

  Software Engineer

  ISBANK, ISTANBUL, TURKEY

  Developed and maintained software modules of trading cards/merchants for the Credit Card Applications Development Department. Contributed to a new credit/debit card project with a $10 million budget as an integration developer.