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Open Link Endur Consultant and Developer
Düsseldorf, Deutschland
Nur Remote
MSc. Computer ScienceSkills
OpenLink EndurEnergy Trading Risk Management (ETRM)
Freelancing IT consultant and developer. Focus on energy trading and risk management, having
contributed to projects of major energy suppliers.
Specialist with 19 years of experience in Open Link Endur ETRM platform and AVS / JVS/Open Components
and Java modules development with exposure to multiple levels of software projects such as requirements
analysis, implementation and testing.
Also provided support and consulting services to maintain and optimize processes within energy trading,
analysis and correction of faults.
SAP certified development associate - Process Integration with SAP NetWeaver 7.31
Educational background:
MSc in Computer Science University of Bath, UK, Erstes Staatsexamen in Physics/English University of
Braunschweig, Germany.
Confident in an international environment with full professional proficiency with the English language.
Keen to contribute to IT projects internationally as a contractor.
IT Profile
Programming Languages:
Java
Implementation of enhancements in modules and services in the energy trading environment, also using
the Spring framework.
Upgrade of modules from Java 8 to Java 11.
Developments in Java based JVS/Open Components.
Working on a full-stack Spring Boot project with Hibernate, Thymeleaf and HTMX.
Development of extensions for Market Data Data Base (Oracle).
Enhanced Java-based software modules during projects.
C/C++
Experience with MS Visual Studio, Borland C++ Builder.
Visual Basic
development of a backoffice application during a term of 8 months.
Implemented automation of a front-office tool for refreshing market data.
Extensions of Excel reports.
AVS
scripting language for enhancements in trading platform Open Link Endur.
JVS/Open Components
PL/SQL
Implemented extensions and adjustments of legacy code as well as new functionality in the Market
Data Database. Implemented changes and adjustments in the overall process-flow.
Databases: SQL, PL/SQL, Oracle , MySQL, MS Access
ETRM Systems: Open Link Endur (V.17), AVS / JVS, Open Components, Endur Toolkit, Connex
Systems administration: Unix, Linux, IRIX, Windows, TCP/IP, Unix and Windows network administration
MS Excel: development of macros in VB ,e.g.for a deal-importer application, Apache POI
SAP Netweaver PI: monitoring tasks within project “Global Credit”. SAP certified development associate - Process Integration with SAP NetWeaver 7.31
Developlment tools:
Versioning tools MKS, SVN, Git
Jenkins build system
Crystal Reports, HP Quality Center, HP Service Center
Azure DevOps.
Eclipse IDE, Idea IntelliJ
Agile Methods: KANBAN
Erfahrung
Berufserfahrungmehr als 10 Jahre
Freelancer seit2008
Sprachen
DeutschMutterspracheEnglischverhandlungssicher
Projekthistorie
Open Link Endur Upgrade Project (V.17)
• AVS to JVS migration with refactoring.• Trading products development: implementation of new trading products with the related market data
structures and location setups in Endur, e.g. coal locations, Gas Transport, Gas Spot, LNG, Future
products
• Open Link Endur Upgrade Project (V.23)
• Contribution for Trade Processing Team: Implementations and extensions of Open JVS and Open
Components Modules, attached Java modules and services, also with the Spring framework. Pre-,
post processing services, development of SQL queries and PL-/SQL scripts. Development of a new
part of the Exchange Report. Changed reporting-setup from hard-coded to a configurable
implementation by setup in database tables. Fault-analysis and mitigation.
• Open Link Endur Java 11 upgrade and Security Project
• Setup of build jobs in Jenkins.
Consultancy in the areas of Open Link Endur, Oracle-based Market Data Database (MDDB) and EfetNET for
electronic confirmation management.
Open Link Endur (V.14):
Provided support to users of the Trading department, analyzed functionality for faults or performance issues,
developed and implemented solutions for front-, middle- and back-office. Implementation of new custom
requirements in JVS.
These fields comprised various reports and interfaces and miscellaneous functionality for power and gas,
e.g.:
Gas Position Report
Power Portfolio Balancing (booking aggregated schedules to deals in internal portfolios)
Gas Schedule Correction (Reestablish any Schedule that has been inadvertently altered)
MTS Gas Nomination (new monitoring task for the interface, OP-service and plugin for automatic Reporting
of nominated volumes, concurrency-control )
Improved performance of Power Deal Import, Middle-Office Reports.
Automation of Price uploads from trayport via an Excel-Tool
Task for rolling HCAs
Simulation Writer Plugin
Connex Services: Trayport, ESS Scheduling
MDDB Market Data Database:
central database for price curves at the Trading department.
Rendered support and maintained daily processes such as data import, export, reporting, calculation of
curve-data and overall process flow.
Implemented Extensions in Java and PL/SQL, restructured the overall process flow to cater for new
requirements.
EfetNET:
Implemented database views to provide data for EfetNET
The aim of the project is to provide a platform for all companies within the Company Group for unified credit risk exposure calculation and reporting for the portfolios of their wholesale customers.
Deal Importer:
Implementation of major parts of the deal importer, code review and bug fixes.
Logic for Dealtranches
Counterparty Importer
Credit Exposure Equivalent (CEE) calculation script:
adjustments and extensions, e.g. implementation of APR (advanced purchase restriction) -logic.
Settlement Exposure (SE) calculation script:
script adjustments, code review, debugging and fixes.
e.g. correction for closeout since the closeout period was not correctly considered in the original
calculation.
Code review, debugging and correction of scenario-splitting logic.
Dynamic simulation splitting for CEE und SE calculations
Concurrency control for writing calculation results to database tables
Development of Maximum Exposure calculation script
Development of Total Volumes Report
Deutschland Portfolio: Setup and testing for cross-company calculation workflow
Development of market data import script: Prices, volatilities, correlations
Marketmanager: Market curve, volatility and correlations setup, VaR Setup
Service Manager: setup of end of day processing
setup of products and pricebands
Deal Exporter
Approval process “Pre Deal Limit Check” for proposed deals
Support of the Live system,
Monitoring of interfaces with SAP PI.
Zertifikate
SAP NetWeaver 7.31
SAP2015