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Fortran Experts in Dusseldorf

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Hire experts who keep **Fortran** systems stable, modernize legacy code, and build fast numerical routines for engineering and scientific workloads. Get precise matching with vetted, available freelancers.

Meet FRATCH Experts in Dusseldorf, who have recently used Fortran

Verified expert

Thorsten L.

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Senior Developer & AppSec Specialist

Krefeld
Thorsten L.

Last position:

Senior Security Analyst

  • Analysis and remediation of security vulnerabilities in a risk assessment system for energy trading
  • System analysis
  • Threat modeling
  • Decision-making on vulnerability mitigation strategies
  • Implementation of vulnerability detection mechanisms
  • Security scans
  • DevSecOps practices
  • Technical environment: Visual Studio Code, JetBrains Suite, MS Threat Modeling Tool, DevSecOps, Git, AWS, DynamoDB, SQL Server, Endur, Snowflake, Orca
  • Languages: C#, JavaScript, TypeScript, Python, PowerShell, Bash, Terraform, SQL
Verified expert

Gernot L.

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Founder and Managing Director

Mülheim an der Ruhr
Gernot L.

Last position:

Founder and Managing Director at Softwerk/Ruhr GmbH

  • Architecting and developing SaaS platform for graphical definition and execution of pandas data processing pipelines
  • Developed POlyglott, an open-source Python CLI tool for translation workflow management featuring PO file parsing, quality linting with glossary enforcement, and DeepL API integration for machine translation
  • Developed web application for material compliance management (EU REACH) using Django and modern web technologies
  • Built automated infrastructure platform using Proxmox, Terraform, and Ansible — VM provisioning, configuration management, internal DNS, and fleet-wide security hardening across multiple subnets
Verified expert

Esmail S.

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Senior Load and Performance Tester

Düsseldorf
Esmail S.

Last position:

Senior Load and Performance Tester at Deutsche Bahn (DB-Netz)

  • Design, development, and execution of load and performance tests for the PRISMA project
  • Use of Apache Jmeter, Gatling, Apache ActiveMQ, Jms/Tibco Ems, SikuliX, Jython, Amazon AWS, PAN-Client
  • Methods: load tests, test automation
Verified expert

Matthias F.

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Information Security Project Manager

Leverkusen
Matthias F.

Last position:

Information Security Project Manager at Deutsche Bahn AG

  • Introduction of a new Information Security Management System (ISMS) according to ISO/IEC 27001.
  • Implementation of the cybersecurity guideline RL CySec-Rail for cross-border rail networks.
Verified expert

Bernhard D.

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Senior Architect, Project Manager and Coach

Hilden
Bernhard D.

Last position:

Enterprise Architect. And responsible for the cross-functional architecture as well as all domains with a focus on the sales at Süddeutsche Krankenversicherung

  • Creation of business and technical concepts as well as support for enterprise architecture management as part of the migration to the Adesso standard insurance solutions and the renewal of surrounding systems

  • Interface definitions

  • Business analysis and creation of the business concepts for input management and sales

  • Creation of architecture guidelines and processes

  • Processing technical and business decisions in the architecture board

  • Definition of service processes and system management aspects

  • Creation of the technical target operating model

  • Creation of an integration architecture for AI/LLMs from the providers Commasoft and Insiders

  • CommaSoft (Alan) webpages and web services

  • Insiders for Smartfix based on web services

  • Creation of a question catalog for a security/regulatory check.

  • Analysis of threats using threat modeling / STRIDE incl. creation of a set of measures to secure the systems

System environment: Jira, Confluence, Java, Enterprise Architect, VAIT/DORA, KritisV, GDPR, IT ServiceMgmt, Adesso Ecosphere and Insure Health, DoPIX and successor product, SmartFix, SmartFlow, Zabas, Kolumbus, Clarc archive, BiPRO, AI / LLM, MS Azure, AWS, TOM/FMO

Verified expert

Sebastian K.

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Independent Management Consultant; Lotus Notes Consultant; Data Center Specialist; Project Manager

Willich
Sebastian K.

Last position:

Independent Management Consultant; Lotus Notes Consultant; Data Center Specialist; Project Manager at Sebastian Kenter EDV Consult

Discover over 15,000 top freelancers

Statistics of experts using Fortran

Aggregated from the professional profiles of matched freelancers.

Experience

30 years (Germany: 28 years)

Fortran experts in Dusseldorf have 30 years of professional experience on average. It is 2 years more than in Germany, where the average stands at 28 years.

Position duration

2.6 years (Germany: 2.5 years)

Fortran experts in Dusseldorf stay in a single position for 2.6 years on average. It is 0.1 years more than in Germany, where the average stands at 2.5 years.

Positions per freelancer

17 (Germany: 19)

Fortran experts in Dusseldorf have completed 17 positions on average over the course of their careers. It is 2 fewer than in Germany, where the average stands at 19.

Top business areas

Information Technology, Product Development, Operations

Fortran experts in Dusseldorf have gathered most of their hands-on project experience in Information Technology, Product Development, and Operations.

Top industries

Information Technology, Manufacturing, Automotive

Fortran experts in Dusseldorf are most in demand in Information Technology, Manufacturing, and Automotive.

Certification focus areas

Information Technology, Project Management, Human Resources

Fortran experts in Dusseldorf earn their certifications most often in Information Technology, Project Management, and Human Resources.

Bachelor's degree or higher

86% (Germany: 94%)

86% of Fortran experts in Dusseldorf hold at least a Bachelor's degree. It is 8% lower than in Germany, where the rate stands at 94%.

Master's degree or higher

57% (Germany: 68%)

57% of Fortran experts in Dusseldorf hold at least a Master's degree. It is 11% lower than in Germany, where the rate stands at 68%.

Doctorate

14% (Germany: 25%)

14% of Fortran experts in Dusseldorf have a doctorate (PhD). It is 11% lower than in Germany, where the rate stands at 25%.

Certifications per freelancer

4 (Germany: 3)

Fortran experts in Dusseldorf hold 4 professional certifications on average. It is 1 more than in Germany, where the average stands at 3.

Most common languages

German, English, Spanish

Fortran experts in Dusseldorf most often speak German, English, and Spanish.

Speak two or more languages

86% (Germany: 97%)

86% of Fortran experts in Dusseldorf speak two or more languages. It is 11% lower than in Germany, where the rate stands at 97%.

Based on our profile pool as of 19 Sep 2026.

Daily rate distribution

0 1 2 3 4
One of the Fortran experts in Dusseldorf charges less than €640 per day.
One of the Fortran experts in Dusseldorf charges between €640 and €720 per day.
One of the Fortran experts in Dusseldorf charges between €720 and €800 per day.
2 of the Fortran experts in Dusseldorf charge between €800 and €880 per day.
2 of the Fortran experts in Dusseldorf charge €960 or more per day.
<€640 €640-​720 €720-​800 €800-​880 €960+

The chart shows how the daily rates of freelancers in this technology in Dusseldorf are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.

Average rates of experts in Dusseldorf using Fortran

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Rate comparison chart
Daily rate avg. 791 €
Germany avg. 791 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
750
500
250
Rate comparison chart
Median rate 800 €
Germany median 800 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Fortran experts industry focus

See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.

  • Information Technology (86%)
  • Manufacturing (86%)
  • Automotive (57%)
  • Professional Services (57%)
  • Government and Administration (57%)
  • Education (43%)
  • Transportation (43%)
  • Retail (43%)

Please note that freelancers can work across multiple industries, so percentages overlap.

About the technology

Core use

Fortran is still used for code that must run fast and stay correct under heavy numerical load. Companies hire Fortran specialists for simulation engines, calculation libraries, scientific tooling, and long-lived systems that cannot be rewritten without risk.

Typical work

  • Maintain and extend legacy FORTRAN and modern Fortran codebases
  • Refactor old routines into clearer modules and interfaces
  • Optimize array-heavy code and parallel workloads
  • Connect Fortran with C, Python, or build pipelines
  • Stabilize releases for research, engineering, and finance teams

Ecosystem

Strong professionals know the language across its older and newer standards, including Fortran 77, Fortran 90, and later module-based style. They also work comfortably with compilers such as GNU Fortran and Intel Fortran, plus tools for debugging, profiling, testing, and build automation.

When to bring in help

Teams usually look for freelance Fortran expertise when a system is business-critical, poorly documented, or tied to domain logic that only a few people understand. That is common in Düsseldorf as well, especially when local industrial, logistics, and engineering work depends on trusted numerical software.

What good specialists do

Good Fortran professionals read dense legacy code without breaking it. They write small, testable changes, keep interfaces stable, and understand how data layout, precision, and compiler flags affect results. They also communicate clearly with domain experts, not just with other coders.

Delivery focus

A good engagement ends with working code, clear notes, and a path for the next change. Depending on the need, that may mean bug fixes, performance tuning, modernization support, or a safe bridge from classic FORTRAN to current Fortran practices.

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Frequently asked questions

Curious about Fortran? Here are the answers that come up again and again.

Fortran is used for numeric software that needs speed, stability, and predictable results. You see it in simulation, modeling, weather, physics, engineering, and other workloads built around large arrays and heavy computation. It is also common in older systems that still deliver critical business value.

Fortran is usually chosen when the core task is numerical calculation rather than general application logic. Compared with C++, it is often simpler for array-based scientific code, and compared with Python it is far faster for the routines that do the heavy lifting. Many teams use it together with Python for analysis or orchestration.

Yes. FORTRAN is the older capitalized name, and Fortran is the modern spelling used for current standards and tools. Searchers often use both names when they look for help with legacy code or newer module-based code.

A strong Fortran specialist usually understands numerics, linear algebra, debugging, profiling, and build systems. C interoperability is useful when code needs to connect with other languages, and Python knowledge helps when results are wrapped for analysis or reporting. Familiarity with compilers and precision issues matters a lot too.

Fortran projects often need outside help when the code is old, lightly documented, or tied to production calculations that cannot fail. Even a small change can affect scientific or engineering results, so a specialist is valuable when the team needs safe edits, a performance review, or help understanding unknown routines.

Yes. Many Fortran tasks can be done remotely if the specialist has access to the source, test data, and a clear build setup. On-site work can help when the code is tied to sensitive systems, internal knowledge, or teams that prefer direct collaboration in Düsseldorf.

Look for clean handling of legacy code, careful testing, and a clear explanation of numerical risks. A good Fortran professional can show how they reduced bugs, improved speed, or modernized a routine without changing results. Ask how they approach compiler settings, precision, and code that depends on old assumptions.

Fortran can still be a strong choice when the main problem is numerical performance and the team values mature, proven tooling. It is less common for general business software, but it remains practical for simulation and scientific computation. The best choice depends on the domain, the team, and the long-term support plan.

The average hourly rate of freelancers in Dusseldorf, Germany who have used Fortran in their recent projects is 99 €, which corresponds to a daily rate of about 791 € based on an 8-hour working day.

Of the freelancers in Dusseldorf, Germany who have used Fortran in their recent projects, 86% hold at least a Bachelor's degree, 57% hold at least a Master's degree, and 14% hold a doctorate.

On average, freelancers in Dusseldorf, Germany who have used Fortran in their recent projects have 30 years of professional experience, with a single engagement typically lasting around 2.6 years.

The most common languages among freelancers in Dusseldorf, Germany who have used Fortran in their recent projects are German (100%), English (86%), and Spanish (29%).

The most common industries among freelancers in Dusseldorf, Germany who have used Fortran in their recent projects are Information Technology (86%), Manufacturing (86%), and Automotive (57%).

The most common business areas among freelancers in Dusseldorf, Germany who have used Fortran in their recent projects are Information Technology (100%), Product Development (86%), and Operations (71%).

Main locations of FRATCH Experts, who have recently used Fortran

Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.

Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg

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Philipp Thomaschewski

FRATCH CEO

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