Frank Welk - Software Development

Q: Where is Frank based?

Frank is based in Vienna, Austria .

Q: What languages does Frank speak?

Frank speaks the following languages: German (Native), English (Advanced), Spanish (Elementary), French (Elementary) .

Q: How many years of experience does Frank have?

Frank has at least 31 years of experience. During this time, Frank has worked in at least 6 different roles and for 8 different companies . The average length of individual experience is 4 years and 6 months . Note that Frank may not have shared all experience and actually has more experience.

Q: What is Frank's latest experience?

Frank's most recent position is Software Development at REI and EMI .

Q: What companies has Frank worked for in recent years?

In recent years, Frank has worked for REI and EMI , Modernization of UNISOLO-POESY GUI , Relex and Narab , and UNISOLO®-POESY .

Q: Which industries is Frank most experienced in?

Frank is most experienced in industries like Healthcare , Insurance , and Automotive . Frank also has some experience in Information Technology (IT) , Pharmaceutical , and Banking and Finance .

Q: Which business areas is Frank most experienced in?

Frank is most experienced in business areas like Information Technology (IT) , Product Development , and Project Management . Frank also has some experience in Quality Assurance (QA) .

Q: Which industries has Frank worked in recently?

Frank has recently worked in industries like Healthcare , Information Technology (IT) , and Pharmaceutical .

Q: Which business areas has Frank worked in recently?

Frank has recently worked in business areas like Information Technology (IT) , Product Development , and Project Management .

Recommended expert

Vienna, Austria

Experience

Apr 2024 - Present

2 years

Vienna, Austria

Software Development

REI and EMI

Code reviews, bug fixes, and new code development in PL/SQL and Oracle Forms
Upgraded the database version to Oracle 12/19 and migrated the Oracle Forms environment from client-server to web (6i → 12c)
Resolved blocking sessions and implemented new workflow requirements
Used PL/SQL packages, procedures, functions, database triggers, batch files, and Java applications
Redesigned screens based on Oracle Forms and client-side PL/SQL code
Handled the business process of issuing and processing vouchers (REI = Reimbursement; EMI = Emission), including billing with acceptance partners
Agile development based on SCRUM with monthly sprints and weekly meetings

Oct 2023 - Present

2 years 6 months

Braunschweig, Germany

Development and DBA

Modernization of UNISOLO-POESY GUI

Continued the modernization of the user interface of the UNISOLO-POESY practice management system using APEX 23, PL/SQL, and Oracle Forms

Sep 2022 - Dec 2023

1 year 4 months

Essen, Germany

Software Development

Relex and Narab

Created interfaces for exporting master data and transaction data (.csv UTF-8 encoded) from a pharmacy wholesaler's merchandise management system
Implemented the interfaces as PL/SQL packages
Conducted extensive developer tests and smoke tests in the AI application Relex for order proposals
Developed screens for maintaining and assigning post-discount configurations in the RX/OTC product area
Used partitioning for importing VSE mainframe data
Agile development based on SCRUM with monthly sprints

Jan 2020 - Dec 2022

3 years

Braunschweig, Germany

Development and DBA

Modernization of UNISOLO-POESY GUI

Modernized the user interface of the UNISOLO-POESY practice management system
Migrated single-form and multi-form screens from Oracle Forms technology to APEX (service chains, text templates, fee schedules, cash data, patient master data, electronic medical record)

Jan 2020 - Dec 2020

1 year

Hamburg, Germany

Development

DWH Anonymization

Developed PL/SQL procedures, functions, and packages for anonymizing personal data in an insurance data warehouse
Implemented algorithms based on specification requirements and created test plans
Used the extended waterfall model

Jan 2016 - Dec 2019

4 years

Hanover, Germany

Sub-project Lead, Software Development

MAS (Modernization of Billing and Master Data)

Modernization of billing and master data at the Lower Saxony Association of Statutory Health Insurance Physicians
Switching direct master data access to business abstractions for an external application
Performing extensive developer tests and smoke tests
Agile development based on SCRUM and project planning using Kanban boards

Sep 2011 - Dec 2011

4 months

Braunschweig, Germany

System Analysis and Development

System Analysis

Handling development tasks using VBA, Java and StreamServe Persuasion on Windows for the output management of a PSD bank in the automotive sector

Jan 2007 - Jun 2010

3 years 6 months

Gifhorn, Germany

Sub-project Lead, Software Development

Data Record Management in Engine Control Units

Developing a software product for quality assurance in engineering services for the automotive supplier industry
Managing software variants, labels and user permissions
Developing the graphical user interface with VB and ADO
Implementing replication mechanisms for winter/summer testing and multi-master replication

Jan 1995 - Present

31 years 3 months

Braunschweig, Germany

Project Management, Software Development and DBA

UNISOLO®-POESY

Design, implementation and ongoing project management of the practice management system for doctors, hospitals and clinics
Maintenance and update coordination with the legally required hotline
Managing over 300 screens and over 200,000 lines of code for 50 main screens
Features: patient master data management, statutory health insurance billing (KVDT), private billing (GOÄ, DKGNT, PAD), accident insurance billing (BG), ICD-10 diagnosis codes, interfaces to medical devices, certified medication database
Administration of about 50 Oracle databases including backup and recovery via RMAN and OEM

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Healthcare (31 years), Insurance (5 years), Automotive (3.5 years), Information Technology (2.5 years), Pharmaceutical (1.5 years), and Banking and Finance (0.5 years).

Healthcare

Insurance

Automotive

Information Technology

Pharmaceutical

Banking and Finance

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (31 years), Product Development (31 years), Project Management (31 years), and Quality Assurance (8.5 years).

Information Technology

Product Development

Project Management

Quality Assurance

Summary

My main drive in software development is the ambitious realization of business requirements into a product.

My passion is to create solutions that are not only efficient but also ergonomically optimized.

Through this combination, I strive to shape not only the technical aspects but also the user experience at the highest level.

Skills

Software Development
Requirements Management
Database Design/architecture
Database Administration (Oracle Databases Version 6 To 19)
Oracle Developer (Forms, Reports, Graphics)
Pl/sql Developer
Apex 19 And 23
Vba, Office Vba
Project Management

Languages

German

Native

English

Advanced

Spanish

Elementary

French

Elementary

Education

Technical University of Braunschweig

Diploma in Computer Science, minor in Statistics and Operations Research (Econometrics) · Computer Science · Braunschweig, Germany · very good

Profile

Created

August 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Frank based?

Frank is based in Vienna, Austria.

What languages does Frank speak?

Frank speaks the following languages: German (Native), English (Advanced), Spanish (Elementary), French (Elementary).

How many years of experience does Frank have?

Frank has at least 31 years of experience. During this time, Frank has worked in at least 6 different roles and for 8 different companies. The average length of individual experience is 4 years and 6 months. Note that Frank may not have shared all experience and actually has more experience.

What roles would Frank be best suited for?

Based on recent experience, Frank would be well-suited for roles such as: Software Development, Development and DBA, Development.

What is Frank's latest experience?

Frank's most recent position is Software Development at REI and EMI.

What companies has Frank worked for in recent years?

In recent years, Frank has worked for REI and EMI, Modernization of UNISOLO-POESY GUI, Relex and Narab, and UNISOLO®-POESY.

Which industries is Frank most experienced in?

Frank is most experienced in industries like Healthcare, Insurance, and Automotive. Frank also has some experience in Information Technology (IT), Pharmaceutical, and Banking and Finance.

Which business areas is Frank most experienced in?

Frank is most experienced in business areas like Information Technology (IT), Product Development, and Project Management. Frank also has some experience in Quality Assurance (QA).

Which industries has Frank worked in recently?

Frank has recently worked in industries like Healthcare, Information Technology (IT), and Pharmaceutical.

Which business areas has Frank worked in recently?

Frank has recently worked in business areas like Information Technology (IT), Product Development, and Project Management.

What is Frank's education?

Frank holds a Master in Computer Science from Technical University of Braunschweig.

What is the availability of Frank?

The availability of Frank needs to be confirmed.

What is the rate of Frank?

Frank's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.