Milan Zimmermann - Resume

Architect and develop multi-tier applications, utilizing my Java, Web, and Object Oriented design and development skills.

• Design and development of the application's core analyses layer.
• Implementation of business requirements as the analyses layer data structures and processes.
• Continued work on the Airlift Model Driven Architecture(MDA) library, mainly the Hibernate back-end.
• The application uses my MDA UML converter to define and maintain the application's Entity Model. The UML converter allows for a full-cycle UML based development of enterprise applications' entity models, generation of business entity interfaces and classes, and entity model evolution without affecting existing busines logic.
• Specifications of the XML import format that clients use to import billing data into the application persistence, and implemented efficient import process using a XML pull parser.
• Developement of a mechanism which allows selected data to be grouped and re-grouped on the fly into N-dimensional cells, followed by a sequence of processes, each "piping" output from one process into another process' input, and finally presenting the results to user.
• Developement of statistical methods and wrappers of Forecasting methods (exponential smoothing, regression etc, using Open Forecast) and integrated them into the AMG application.
• The above mentioned statistical and forecasting methods provide basis for staffing prediction, optimization, availabilty and vacation planning and general resource scheduling methods.

• Designed and implemented pluggable interface to external LDAP authentication, allowing clients to utilize their enterprise-standard authentication for the ACom3 system.
• Implemented commission modules such as broker draw processing, reserve calculations, bonus processing and others.
• For the portal module, developed an import framework which allows to plug in client-specific preprocessors, import data from legacy systems, and/or interact with legacy systems.
• Provided implementations of the above import preprocessors for clients such as CDPHP, Asante, Metlife and others.

• For the Airlift Framework, Designed and Developed, among others:
  • Swing Presentation Layer data-aware components including JTable by implementing component Models from Application Layer Control Nodes (MVC).
  • Memory Based Service Layer and Datastore which allows Polymorphic storage, updates and queries. The Datastore is persistable as Serialized Object Graph, and implements Fetches (with Constraints, Sorting etc), Updates and other services for the Application Layer.
  • HTML Presentation Layer generated by Xalan XSLT. This layer runs inside servlet engine such as Tomcat.
  • Application developers utilize UML to provide persistence-type independent Entity Model. Designed XSLT converters which convert application entity definitions from any XMI 1.1 compatible UML into the Airlift XML Entity Schema format.
  • Co-designed various XML formats used in the framework, in particular Airlift Import XML. This is a Persistence-type independent Import Format for importing hierarchies of data. Utilized SAX2 to provide highly efficient implementation.
  • A GUI-based data-interface builder - this application allows to build interfaces between different persistence types such as between flat files and relational database, flat files and XML files and others.

• For the Actek Framework, Designed and Developed:
  • Data-aware components including integration of Swing JTree, JTable and other components into the transactional framework (by implementing component models as fields in panel-requested entities).
  • Focus driven menu and action system with dynamic items enabled/disabled based on panel in focus.
  • Asynchronous model for remote Query and Update services in the Application Server, RMI remote services (report service, administration, etc).
  • Remote Administration Console for the Application Server which allows remote monitoring and administration of pooled connections, users and memory monitoring.
  • Java 2D / Swing based printing.
• Utilizing the Actek Framework, developed multiple systems for Actek's clients in medical insurance industry such as Blue Cross and Blue Shield, Cigna and others. Provided systems design, development and services for Actek's clients, including:
  • JDBC based data conversion and migration programs.
  • Server generated HTML reports as well as client-side reports.
  • Developed and instructed training on the Actek Framework API for Blue Cross Blue Shield development staff.

• Designed Data Model, Business Objects, processes and GUI for Revere's Enterprise Resource Planning, Shutdown Planning and Scheduling System.
• Designed and developed a Graphical Interactive Network Diagram with a smart auto-layout system.
  

  Network Diagram Images
  The network diagram is fully interactive, adding activities into the network, or modifying predecessor/successor relationships is performed simply by dragging and droping activity end-points. Activities on the Critical Path, delayed activities are visually marked for fast visual identification. Several screenshots of the network diagram in action can be viewed online, see box on the right.
• Wrote Data conversion utilities and interfaces in Java.
• Developed Scheduling and Manpower Balancing system for large-scale Project Management in C++ and Visual Basic. This scheduling system is the core of Revere's Shutdown Planning system. Features Critical Path Method, project float calculations, resource scheduling/levelling based on prioritized scheduling rules.
• Designed and programmed a Network Renumbering process, that follows logical flow of activities in a network graph and renumbers them based on distance from origin.
• Utilizing AWK, wrote multiple code-generators and code convertors (PL/SQL to Transact-SQL and VB to C++ conversions)
• Developed application user interface layer in Uniface and Visual Basic.
• Wrote ORACLE 7.3 and Sybase 11 stored procedures and triggers as well as Pro*C and DB-library applications.
• Performed most system administration tasks in a 10 person office, including ORACLE, AIX and Solaris, Windows 95 and NT administration, Linux installations, network administration, backups etc.
• Performed on-site installations and initial implementations for Revere's clientele in North America, Europe and Middle East.

• For the redesigned Turnaround Scheduling and Manpower Balancing system, developed database access, business logic and application classes in C++.
• Wrote Oracle and Sybase stored procedures and triggers, as well as database interface in Pro*C.
• Wrote a command line editor/history in C, interfacing C and FORTRAN programs.
• UNIX system programming on the AIX and UNIX Interactive.
• Socket based server in C which enabled to reuse legacy application in a client-server environment.
• UNIX shell programming (Korn shell, Bourne shell, Linux bash shell).
• Group Leader in Turnaround Scheduling team.

• Developed Control and Optimization System for material supplies.

• Modeling and numerical methods.
• Research, IBA Modeling. Software development in Fortran and porting from ICL to IBM mainframes.

Available on request. For me not to publish my referee's emails and phone numbers online, please request.