Timur Yalcin

Lead Frontend Developer | Fullstack Developer

Eschborn, Germany

Experience

Aug 2024 - Present
1 year

Lead Frontend Developer | Fullstack Developer

Finanz Informatik

  • Further development of an application for managing personnel changes.
  • Implemented the frontend with React and Material UI.
  • Implemented the backend with Java and Spring Boot.
  • System environment: React, Java, Spring, Typescript, next.js, Material UI, Github Enterprise, Figma, Docker, Playwright, Swagger, OpenAPI, npm, yarn, git.
Apr 2024 - Jul 2024
4 months

Fullstack Developer

Finanz Informatik

  • Developed an AI correction assistant for annual financial statements.
  • Implemented the frontend with React, next.js and Material UI.
  • Implemented the backend with Java and Spring Boot.
  • System environment: React, Java, Spring, Typescript, next.js, Material UI, Github Enterprise, Figma, Docker, Playwright, Swagger, OpenAPI, npm, yarn, git.
Dec 2023 - Apr 2024
5 months

Frontend Architect/Developer

AFT Group

  • Built an application to analyze data from production machines.
  • Implemented the frontend with React, next.js and Material UI.
  • Agile development using Scrum.
  • System environment: React, next.js, Typescript, Javascript, Material UI, Github Actions, Keycloak, Playwright, Swagger, OpenAPI, npm, Git.
Aug 2021 - Apr 2022
9 months

Frontend Lead Developer, Fullstack Developer

KV Hessen

  • Developed a back-office app for appeals management.
  • Implemented the frontend with Angular 12-13.
  • Agile development using Scrum.
  • Created GUI prototypes with business analysts and stakeholders in Figma.
  • System environment: Angular 12-13, TypeScript, Java, Spring, Spring Boot, Bootstrap5, Adobe XD, NgRx, primeNg, npm, RxJS, Swagger, Git, Jira, Confluence, Bitbucket, Azure, Zoom.
Jun 2020 - Dec 2023
3 years 7 months

Lead Frontend Developer, UI/UX Design, Fullstack Developer

SOKA Bau Wiesbaden

  • Built a back-office app for pension applications and payments.
  • Implemented the frontend with Vue.js.
  • Developed the frontend responsively for mobile devices.
  • Created reusable Angular components.
  • Designed a design system for the app with Figma.
  • Developed REST services with Java.
  • Agile development using Scrum.
  • System environment: Angular 8-17, Java, Spring, TypeScript, Figma, Adobe XD, Playwright, Swagger, Material UI, OpenAPI, npm, NGXS, TailwindCSS, Responsive Design, RxJS, Git, Jira, Confluence, Bitbucket, GoTo Meeting, Teams.
Jan 2020 - May 2020
5 months

Fullstack Developer

Berge und Meer GmbH

  • Redeveloped the aldi-reisen.de travel portal.
  • Implemented the frontend with Angular 9 and the backend with Ruby on Rails.
  • Built a REST API in Ruby on Rails.
  • Developed the frontend responsively for mobile devices.
  • Agile development using Scrum.
  • Set up the development server with Ubuntu Linux.
  • System environment: Angular9, TypeScript, npm, TeamCity, Responsive Design, Ruby on Rails 6, RxJS, Scrivito CMS, Git, Jira, Confluence, Slack, Microsoft Teams.
Mar 2019 - Present
6 years 5 months

Fullstack Developer

UNION Versicherungsdienst GmbH

  • Created a portal for selling health insurance.
  • Built both frontend and backend.
  • Made it responsive for mobile devices.
  • Agile development using Scrum.
  • Connected to REST services with Java.
  • Set up the development server with Ubuntu Linux.
  • System environment: Ruby on Rails 5.x, webpack, npm, RSpec, MySql, Nginx, CSS3, RVM, Bundler, Git, Jira, Confluence.
Feb 2017 - Dec 2020
2 years 11 months

Lead Frontend Developer, Fullstack Developer

Deutsche Bank Bauspar AG / BHW

  • Built a flow for signing building savings contracts.
  • Implemented the frontend with Angular 2+ and updated it regularly up to version 8.
  • Advised on responsive development.
  • Connected to REST services with Java.
  • Revised application concepts with a UX designer.
  • Conducted code reviews and acted as SPOC in architecture meetings.
  • Agile development using Scrum.
  • System environment: Angular 2-8, TypeScript, Java, JavaScript, npm, TeamCity, Responsive Design, HammerJS, RxJS, Lodash, Git, Jira, Confluence.
Oct 2016 - Dec 2016
3 months

Fullstack Developer

Investorfinder.de

  • Built a portal to handle commercial real estate transactions.
  • Designed and implemented the entire portal.
  • Agile development using Scrum.
  • Set up the development server with Ubuntu Linux.
  • System environment: Ruby on Rails, RSpec, MySql, Apache, Passenger, Selenium, HTML5, CSS3, jQuery, RVM, Bundler, Haml, Sass, Cucumber, Highcharts.
Dec 2014 - Sep 2016
1 year 10 months

Fullstack Developer

Deutsche Verrechnungsstelle AG

  • Built a portal for SMEs to manage payments and factoring.
  • Implemented the frontend with Angular 1.x.
  • Responsive design for mobile devices.
  • Agile development using Scrum.
  • System environment: Angular 1.x, Sass, npm, bower, CSS, Bootstrap 3, Babel, webpack, Java, Spring, Spring Boot, MongoDB, Git, Jira, Confluence.
Sep 2012 - Mar 2013
7 months

Frontend Developer

Deutsche Telekom

  • Enhanced the HTML5 Reader application.
  • Built the app to display eBooks on the Tolino platform.
  • Developed with the in-house Jasy framework.
  • Responsive design for mobile devices.
  • System environment: JavaScript, HTML5, CSS3, Hudson, unifyjs, jasy, Git, Jira, Confluence.
May 2009 - Dec 2015
5 years 8 months

Fullstack Developer

Sonix Solar GmbH

  • Created a trading portal for photovoltaic products.
  • Designed and implemented the portal in Ruby on Rails.
  • System environment: Ruby on Rails, HTML5, CSS3, RSpec, MySql, Apache, jQuery, Ajax, Passenger, Selenium, Git.
May 2009 - Dec 2011
2 years 8 months

IT Architect, Project Lead

Commerzbank AG

  • Released a new version of an app to analyze corporate customer ratings.
  • Extended the report engine to process complex vector graphics.
  • Designed and built a chart engine.
  • Filled roles as business analyst, project manager, architect and lead developer.
  • Created technical concepts and guided project staff.
  • System environment: JavaEE, Swing, Oracle, PDF reports, Subversion.
Mar 2009 - May 2009
3 months

IT Architect, Project Lead

Commerzbank AG

  • Trained internal staff on the custom development framework.
  • Conducted training on enterprise Java technologies.
  • Transferred know-how as lead developer.
  • System environment: JavaEE, Swing, Oracle, PDF reports, Subversion.
Oct 2008 - Jan 2009
4 months

IT Architect, Developer

Commerzbank AG

  • Conducted a study to evaluate common JavaScript frameworks.
  • Developed a prototype with ExtJs.
  • System environment: ExtJs, jQuery, mootools, prototype, qooxdoo.
Jul 2008 - Feb 2009
8 months

IT Architect, Project Lead

Commerzbank AG

  • Designed and built an app to analyze corporate customer ratings.
  • Designed and implemented the data model and frontend.
  • Trained team members on Java enterprise technologies.
  • Developed a report engine with Eclipse Birt for PDF reports.
  • System environment: JavaEE, Swing, Webstart, Apache Axis, web services, Eclipse Birt.
Feb 2008 - Jul 2008
6 months

IT Architect, Project Lead

Commerzbank AG

  • Designed and built an app for IFRS risk provisioning.
  • Designed and implemented the tool and data model.
  • Trained staff on Java enterprise technologies.
  • Designed and built interfaces to backend systems.
  • System environment: JavaEE, Swing, Webstart, Apache Axis, web services.
Dec 2007 - Dec 2011
4 years 1 month

Fullstack Developer

ITinera Consulting GmbH

  • Built an internal project for vacation and time tracking.
  • Fully implemented frontend and backend in Ruby on Rails.
  • System environment: Rails2, Rails3, test-unit, HTML5, CSS3, jQuery Mobile, authlogic, searchlogic, Haml, formtastic, FactoryGirl, faker, RSpec, fastercsv, paperclip, Git.
Oct 2007 - Feb 2008
5 months

IT Architect, Lead Developer, Fullstack Developer

Commerzbank AG/Eurohypho

  • Designed and built a sales support application.
  • Developed the frontend with ExtJs.
  • Developed the backend with Struts 2.
  • System environment: Java, Struts 2, ExtJs, JSON.
Mar 2007 - Dec 2008
10 months

IT Architect, Lead Developer, Fullstack Developer

Commerzbank AG/Eurohypho

  • Designed and built a rating app for ship financing.
  • Created the frontend and interfaces to backend systems.
  • Developed a reporting solution for various report formats.
  • System environment: Java, Java Swing, Apache Axis, POI.
Nov 2006 - Mar 2007
5 months

IT Architect, Lead Developer

Bundesland Schleswig Holstein

  • Designed and implemented an "electronic authority workspace."
  • Developed web parts and SQL procedures.
  • System environment: MOSS 2007, Webparts, C#, SQL Server, Office 2007.
Oct 2005 - Oct 2006
1 year 1 month

IT Architect, Lead Developer

Bundeswehr

  • Introduced barcode technology in a Bundeswehr depot.
  • Created an IT concept to map business processes.
  • Designed interfaces, operations concepts and data migration.
  • System environment: Microsoft Axapta, SQL.
Apr 2005 - Dec 2006
1 year 9 months

IT Architect, Lead Developer

Merck KGaA

  • Built a web catalog for pharmaceutical products.
  • Developed a data migrator to process XML catalog data.
  • Designed and built the application.
  • System environment: Java / J2EE, Eclipse, Oracle, Hibernate, Struts, Spring, X-Doclet, ANT, CVS, PL/SQL.
Oct 2003 - Mar 2005
1 year 6 months

IT Architect, Lead Developer

SEB Bank

  • Developed a data migrator to process XML catalog data.
  • Built a web app to process Swift messages.
  • Designed and built the application.
  • System environment: Java / J2EE, Eclipse, DB2 Stored Procedures, JDBC, MQ Series, Struts, Spring, X-Doclet, ANT, CVS.
Apr 2003 - Sep 2005
2 years 6 months

IT Architect, Lead Developer

VWD Vereinigte Wirtschaftsdienste

  • Built a new editorial system based on CoreMedia CMS.
  • Further developed the editorial system.
  • System environment: Java / J2EE, Eclipse, DB2 Stored Procedures, JDBC, MQ Series, Struts, Spring, X-Doclet, ANT, CVS.
Nov 2002 - Feb 2003
4 months

IT Architect, Lead Developer

Eplus

  • Enhanced the Content Provider Supporting Website.
  • Created the architecture and built the application.
  • System environment: JSP, Servlets, Oracle, Struts, Ant, CVS, JUnit, LDAP.
Sep 2002 - Nov 2002
3 months

IT Architect, Lead Developer

CSC Ploenzke Produktentwicklung

  • Developed a banking solution according to Section 24c of the German Banking Act.
  • Designed and built a framework to parse large XML data.
  • System environment: Java, Castor, Eclipse, VisualSourceSafe, JUnit, Oracle.
Feb 2002 - Sep 2002
8 months

IT Architect, Lead Developer

VWD Vereinigte Wirtschaftsdienste

  • Built an editorial system for processing business news with CoreMedia CMS.
  • Designed and extended CoreMedia and Tomcat.
  • Challenges: high availability and large message volume (>50,000/hour).
  • System environment: Java/J2EE, Eclipse, JDBC, Ant, CVS, JUnit.
Sep 2001 - Mar 2002
7 months

Frontend Developer and Architect

Eplus

  • Designed the architecture for a web-based app to support content providers.
  • Integrated a user management system with LDAP.
  • System environment: JSP, Servlets, Oracle, Struts, Ant, CVS, JUnit, LDAP.
Jun 2000 - Jun 2001
1 year 1 month

Developer

Deutsche Lufthansa

  • Built an application to settle travel agency commissions.
  • Designed and developed the client app and database connection.
  • Developed the frontend as an applet.
  • System environment: Java Swing, JDBC.

Summary

  • Deep knowledge in web frontend development (React, Typescript, Javascript) and strong skills in frontend development (React, Angular, Vue.js, Svelte, Ruby on Rails).

  • Extensive backend experience with Ruby on Rails, NodeJs and Java.

Languages

German
Native
English
Advanced
Turkish
Elementary

Education

CSC Ploenzke AG

IT specialist, application development · Wiesbaden, Germany

FH Darmstadt

Diplom-Wirtschaftsinformatiker · Business Informatics · Darmstadt, Germany