Serkan كاليسكان

Senior Solutions Architect·Elm

المملكة العربية السعودية

بكالوريوس, Computer Engineering

الخبرة العملية

مجموع سنوات الخبرة: 29 سنوات, 4 أشهر

Senior Solutions Architect

يونيو 2016 - حتى الآن

Elm

الرياض، المملكة العربية السعودية

يونيو 2016 - حتى الآن

• Working as Senior Java Application Architect in Technology Afairs department responsible for designing and implementing Enterprise Services for ELM
• Designed multi-tier microservice application architectures conforming high performance, security, scalability, and availability.
• Created architecture views for services (Use case views, Logical views, Process views, Deployment views) in Confluence
• Designed backend microservices using architecture patterns (Domain Driven Design, Event Driven Architecture, Saga Pattern, CQRS, Event Sourcing, API Gateway, Service Discovery, Health Check API, Log Aggregation, Distributed Tracing, Application Metrics, Circuit Breaker, Microservice Chassis)
• Implemented backend microservices using J2EE, Maven, Spring Cloud, Spring Boot, Spring Data frameworks, API Gateway, Active MQ, Rabbit MQ, Kafka, SQL Server, Postgres, Mongo DB, Elasticsearch, Kibana, Prometheus, Test Containers, Oath2, Rest API, Vault, JWT, RBAC, LDAP
• Integrated services with external services such as payment gateways and citizen authentication services
• Migrated monolithic applications to microservices architecture running on Openshift clusters
• Applied scrum agile project management methodology in Jira to track progress and issues of Services
• Designed and developed automated CI/CD pipelines using Jenkins, Bitbucket, Jira, Openshift, Sonarqube, Nexus, Argo CD, groovy scripts, nodejs, python, power shell, bash, docker file and Rest API calls for Dev, QA and Prod environments
• Designed and implemented High available architecture of Jira, Bitbucket, Crowd and Confluence in Openshift platform

مجال الشركة:: خدمات تكنولوجيا المعلومات

Application Project Manager

مارس 2012 - مايو 2016

ITPS Corporate

الرياض، المملكة العربية السعودية

مارس 2012 - مايو 2016

• Working as Application Project Manager directly reporting to CTO, responsible for delivering application projects and improving quality of service for existing operational activities that ITPS is carrying out for Imam University (IU) IT Deanship.
• Delivered IT application projects within scope, schedule and budget with high quality and focus on IU IT Deanship satisfaction. Identified and made recommendations to improve quality of service.
• Utilized standard Project Management Lifecycle (PMLC) and Software Delivery Lifecycle (SDLC) methodologies in the planning, development, and delivery of all assigned projects.
• Efectively translated business needs, into workable technical solutions at all stages of the project process, from envisioning to application delivery
• Designed and implemented application architecture of Java based applications aligning with design patterns
• Managed resource utilization and allocation to ensure all projects have the correct resources assigned with the appropriate skill sets and capacity to deliver a quality solution.
• Coordinated with vendors (MS, EMC, HP, IBM, Oracle) to provide solutions through POCs or presentations
• Efectively communicated project status and key project metrics (KPIs) to stakeholders across IU IT Deanship.

مجال الشركة:: خدمات تكنولوجيا المعلومات

Lead HP Software Consultant

مارس 2008 - فبراير 2012

Global Mobility Solutions

الرياض، المملكة العربية السعودية

مارس 2008 - فبراير 2012

• Working as a Lead HP Software Consultant managing a team of consultants responsible for designing and implementing HP Software projects
• Analysis of customers business requirements, architecting customized solutions, project planning, proposal preparation, product presentations.
• Designed and implemented HP Project Portfolio Management, Asset Management, Service Management, Client Automation and Cloud Service Automation projects
• Implemented HP Service Manager by customizing interaction, incident, problem, change, request workflows, forms, links, process records, display options, alerts, notifications, email templates writing complex javascript libraries
• Implemented HP Software projects to Ministry of Education, Ministry of Higher Education, ELM, ARASCO, Madinah Municipality, King Abdulaziz University, Al-Rajhi Bank, Arab National Bank, National Commercial Bank, Alinma Bank, Madinah Taibah University, Viva STC Kuwait, Tatweer, (KFMC) King Fahad Medical City, Emirates Airlines

مجال الشركة:: خدمات تكنولوجيا المعلومات

Senior Java Application Architect

مايو 2004 - فبراير 2008

Yapi Kredi Bank

اسطنبول، تركيا

مايو 2004 - فبراير 2008

• Responsible from designing, implementing and managing j2ee based architecture frameworks for YKB financial applications.
• Provide project management and team leadership. Prepared Technical Architecture Design of the application modules. Designed and developed MVC based architecture.

• Design and development of J2EE application architecture framework for Yapı Kredi Retail Internet Banking Project. Front end implemented using HTML, javascripts, JSPs calling session EJBs which in turn executing Oracle Stored procedures. JSPs and EJBs running on Oracle Application Server. Backend is Oracle 9.2 database running on Solaris server.

• Designed and developed stateless session EJBs and JSPs using Struts framework.
• Performed Oracle database design and coding of PL/SQL packages containing stored procedures.
• Designed and coded architecture services including: CICS Integration, Oracle Integration, Transaction Manager, MQ Connection, Cache Manager services

مجال الشركة:: البنوك

Java Application Architect

يونيو 2000 - أبريل 2004

Yapi Kredi Bank

اسطنبول، تركيا

يونيو 2000 - أبريل 2004

• Design and development of 3 tier J2EE application architecture framework for Yapı Kredi Banking software. Client side developed using Java Swing, middleware developed using servlets running in Websphere Application Server on AIX calling CICS Transactions running on IBM MVS mainframe.
• Developed server side architecture services including: Input / Output data models, Transaction processing service, Error Management Service, CICS Connection Framework service.
• Developed client side architecture services including: Desktop Management Service, Client Data Context, Presentation Services, Business Reusable Objects and Printer Service.
• Coded architecture services using WSAD, J2EE, Swing, JDBC, log4j, and wrote servlets in Websphere application server. Used JMS broker queues and topics (Sonic MQ Series) to track critical application errors.
• Wrote generation wizards using Eclipse Java Development Tools (JDT), which helps application developers to create application screens, printer forms and input output model java classes from COBOL copybooks.
• Prepared CICS transaction server java classes, which invokes the umbrella CICS transaction with the proper transaction name and commarea structure using IBM CICS Transaction Gateway (CTG) product.

مجال الشركة:: البنوك

Mainframe Analyst Programmer

مارس 1997 - مايو 2000

Yapi Kredi Bank

اسطنبول، تركيا

مارس 1997 - مايو 2000

• Responsible from designing, implementing and maintenance of legacy applications for Yapı Kredi Bank Accounting department. Developed batch and online legacy application programs. Wrote batch PL/1, Cobol programs with DB2, running on IBM MVS mainframe. Wrote online CICS transactions in PL/1 and Cobol II

• Analysis of the requirements and prepared design documents, technical specifications. Designed DB2 table structures, Sequential, Vsam and KSDS files, CICS transaction maps. Prepared test case scenarios, batch and online workflows.

مجال الشركة:: البنوك
الدور الوظيفي:: تكنولوجيا المعلومات

التعليم

Izmir

يوليو 1996

بكالوريوس، Computer Engineering

تركيا

Skills

J2EE

Expert

J2EE

Expert

Asset Management

Expert

Asset Management

Expert

Management

Expert

Management

Expert

Oracle

Expert

Oracle

Expert

Object Oriented Analysis and Design

Expert

Object Oriented Analysis and Design

Expert

J2EE

Expert

J2EE

Expert

MVS, Cobol II, PL/1, CICS, DB2

Expert

MVS, Cobol II, PL/1, CICS, DB2

Expert

Enterprise Java Beans (EJB), servlets, JSP, JDBC, JNDI, JMS and XML

Expert

Enterprise Java Beans (EJB), servlets, JSP, JDBC, JNDI, JMS and XML

Expert

Maven

Expert

Maven

Expert

Spring Cloud

Expert

Spring Cloud

Expert

Spring Boot

Expert

Spring Boot

Expert

Spring Data

Expert

Spring Data

Expert

API Gateway

Expert

API Gateway

Expert

Active MQ

Expert

Active MQ

Expert

Rabbit MQ

Expert

Rabbit MQ

Expert

Apache Kafka

Expert

Apache Kafka

Expert

Microsoft SQL Server

Expert

Microsoft SQL Server

Expert

Postgres

Expert

Postgres

Expert

Mongo DB

Expert

Mongo DB

Expert

Elasticsearch

Expert

Elasticsearch

Expert

Kibana

Expert

Kibana

Expert

Prometheus

Expert

Prometheus

Expert

Test Containers

Expert

Test Containers

Expert

Oath2

Expert

Oath2

Expert

Java Design Patterns

Expert

Java Design Patterns

Expert

Rest API

Expert

Rest API

Expert

Vault

Expert

Vault

Expert

JWT

Expert

JWT

Expert

DevOps

Expert

DevOps

Expert

DevSecOps

Expert

DevSecOps

Expert

GitOps

Expert

GitOps

Expert

GitLab

Expert

GitLab

Expert

ArgoCD

Expert

ArgoCD

Expert

Nexus

Expert

Nexus

Expert

Openshift

Expert

Openshift

Expert

Kubernetes

Expert

Kubernetes

Expert

Docker

Expert

Docker

Expert

Ansible

Expert

Ansible

Expert

CI/CD Pipelines

Expert

CI/CD Pipelines

Expert

Python

Expert

Python

Expert

Power Shell

Expert

Power Shell

Expert

Microservices

Expert

Microservices

Expert

CQRS

Expert

CQRS

Expert

Circuit Breaker

Expert

Circuit Breaker

Expert

Microservice Chassis

Expert

Microservice Chassis

Expert

Saga Pattern

Expert

Saga Pattern

Expert

JUnit Tests

Expert

JUnit Tests

Expert

Event Sourcing

Expert

Event Sourcing

Expert

Health Check API

Expert

Health Check API

Expert

Log Aggregation

Expert

Log Aggregation

Expert

Service Discovery

Expert

Service Discovery

Expert

Jenkins

Expert

Jenkins

Expert

Functional Requirements

Expert

Functional Requirements

Expert

Groovy

Expert

Groovy

Expert

Angular

Expert

Angular

Expert

Node.js

Expert

Node.js

Expert

Java

Expert

Java

Expert

Spring Framework

Expert

Spring Framework

Expert

Event Driven Architecture

Expert

Event Driven Architecture

Expert

Domain Driven Design

Expert

Domain Driven Design

Expert

Scrum Master

Expert

Scrum Master

Expert

Jira

Expert

Jira

Expert

Microfocus Service Manager

Expert

Microfocus Service Manager

Expert

Confluence

Expert

Confluence

Expert

Bitbucket

Expert

Bitbucket

Expert

PAAS

Expert

PAAS

Expert

Sonarqube

Expert

Sonarqube

Expert

Togaf

Intermediate

Togaf

Intermediate

Use Case Diagrams

Expert

Use Case Diagrams

Expert

Logical Architecture

Expert

Logical Architecture

Expert

Deployment Architecture

Expert

Deployment Architecture

Expert

Project Management

Expert

Project Management

Expert

Bash

Expert

Bash

Expert

Javascript

Expert

Javascript

Expert

Cloud Native

Expert

Cloud Native

Expert

Asset Management

Expert

Asset Management

Expert

Management

Expert

Management

Expert

Oracle

Expert

Oracle

Expert

اللغات

الانجليزية

متمرّس

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Serkan كاليسكان

مشاركة سيرتي الذاتية

الخبرة العملية

Senior Solutions Architect

Application Project Manager

Lead HP Software Consultant

Senior Java Application Architect

Java Application Architect

Mainframe Analyst Programmer

التعليم

Izmir

Skills

اللغات

الانجليزية