Recommended expert
Orlando Nguyen
Mathematician | Software Engineer
Experience
Aug 2023 - Sep 2023
2 monthsWorkshop on Machine Learning and Large Language Models
- Introduction, discussion, and hands-on session for a client in the staffing industry
Jun 2022 - Jun 2025
3 years 1 monthMigration of the policy administration system
Insurance Group
- Reimplementation of the calculation core (Java)
- Implementation of mathematical and regulatory requirements
- Fixing bugs in the production system
Feb 2022 - May 2022
4 monthsDevelopment of itemis ANALYZE
itemis AG
- Implementation of requirements traceability software (vue.js – TypeScript, Java)
Nov 2017 - Oct 2021
4 yearsResearch project "Smart Technologies for Businesses"
University of Duisburg-Essen
Design and implementation of an application for visualizing and analyzing energy data (Python, React)
Industry projects in Data Science
Teaching in Computer Science
Apr 2016 - Sep 2016
6 monthsSoftware Development Internship
Bitmarck Software GmbH
- Implementation of new usability requirements with Java
- Software development in enterprise applications
- Analysis and resolution of errors in production software
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 Information Technology (4.5 years), Education (4 years), Energy (4 years), and Insurance (3 years).
Information Technology
Education
Energy
Insurance
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 (7.5 years), Business Intelligence (4 years), Research and Development (4 years), Product Development (0.5 years), and Quality Assurance (0.5 years).
Information Technology
Business Intelligence
Research and Development
Product Development
Quality Assurance
Summary
I am a mathematician and software engineer with years of experience in frontend and backend. I prefer working with Java and Python and mainly solve problems with quantitative or regulatory backgrounds. I learn new technologies and domains quickly and effectively, not least through my ongoing law studies.
Skills
Programming Languages & Libraries
- Java
- Python (Numpy, Pandas)
- Javascript/typescript (React, Vue.js, Plotly)
- Go
Methodologies
- Scrum
- Kanban
Databases
- Sql
- Mongodb
- Influxdb
Devops
- Debian
- Docker
- Git
- Svn
Ides
- Eclipse
- Jetbrains
- Jupyter Notebook
Industries
- Insurance
- It Services
- Energy
- Universities
- Statutory Health Insurance
Languages
German
NativeEnglish
AdvancedFrench
IntermediateJapanese
ElementaryEducation
Apr 2024 - Present
Fern University in Hagen
Bachelor of Laws · Law · Hagen, Germany
Dec 2014 - Sep 2017
University of Duisburg-Essen
Master of Science in Mathematics (Minor: Computer Science) · Mathematics · Essen, Germany · 1.0
Oct 2012 - Dec 2014
University of Duisburg-Essen
Bachelor of Science in Mathematics (Minor: Computer Science) · Mathematics · Essen, Germany · 1.4
Profile
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Frequently asked questions
Do you have questions? Here you can find further information.
Where is Orlando based?
Orlando is based in Essen, Germany and can operate in on-site, hybrid, and remote work models.
What languages does Orlando speak?
Orlando speaks the following languages: German (Native), English (Advanced), French (Intermediate), Japanese (Elementary).
How many years of experience does Orlando have?
Orlando has at least 8 years of experience. During this time, Orlando has worked in at least 5 different roles and for 4 different companies. The average length of individual experience is 2 years and 6 months. Note that Orlando may not have shared all experience and actually has more experience.
What roles would Orlando be best suited for?
Based on recent experience, Orlando would be well-suited for roles such as: Workshop on Machine Learning and Large Language Models, Migration of the policy administration system, Development of itemis ANALYZE.
What is Orlando's latest experience?
Orlando's most recent position is Workshop on Machine Learning and Large Language Models.
What companies has Orlando worked for in recent years?
In recent years, Orlando has worked for Insurance Group, itemis AG, and University of Duisburg-Essen.
Which industries is Orlando most experienced in?
Orlando is most experienced in industries like Information Technology (IT), Education, and Energy. Orlando also has some experience in Insurance and Professional Services.
Which business areas is Orlando most experienced in?
Orlando is most experienced in business areas like Information Technology (IT), Business Intelligence, and Research and Development (R&D). Orlando also has some experience in Product Development and Quality Assurance (QA).
Which industries has Orlando worked in recently?
Orlando has recently worked in industries like Information Technology (IT), Education, and Energy.
Which business areas has Orlando worked in recently?
Orlando has recently worked in business areas like Information Technology (IT), Business Intelligence, and Research and Development (R&D).
What is Orlando's education?
Orlando holds a Master in Mathematics from University of Duisburg-Essen, a Bachelor in Law from Fern University in Hagen and a Bachelor in Mathematics from University of Duisburg-Essen.
What is the availability of Orlando?
Orlando will be available full-time from March 2026.
What is the rate of Orlando?
Orlando's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
How to hire Orlando?
To hire Orlando, click the Meet button on the profile to request a meeting and discuss your project needs.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
1000
750
500
250
Market avg: 820-980 €
Market avg: 820-980 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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