Fortran Experts in Düsseldorf
for critical computing systems, matched with vetted specialists in minutesHire experts who modernize legacy code, build numerical models and integrate Fortran with C, C++ or Python. Get fast, precise matching with vetted, available freelancers for scientific, engineering and high-performance computing work.
Meet FRATCH Experts in Düsseldorf, who have recently used Fortran
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
Sebastian K.
Last position:
Self-employed business consultant; Lotus Notes Consultant; Data Center Specialist; Project Manager at Sebastian Kenter EDV Consult
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
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
Chenchen C.
Last position:
Patent Engineer (European patent attorney candidate) at Vossius & Partner
- Patent application: European patent drafting and prosecution
- LLM practicing: Developed LLM-based tools for automated patent data retrieval, applying Python scripting to accelerate technical reviews.
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
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 RL CySec-Rail cybersecurity directive for cross-border rail networks.
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)
Position duration
2.6 years (Germany: 2.5 years)
Positions per freelancer
17 (Germany: 18)
Top business areas
Information Technology, Product Development, Operations
Top industries
Information Technology, Manufacturing, Automotive
Certification focus areas
Information Technology, Project Management, Human Resources
Bachelor's degree or higher
86% (Germany: 94%)
Master's degree or higher
57% (Germany: 71%)
Doctorate
14% (Germany: 25%)
Certifications per freelancer
4 (Germany: 3)
Most common languages
German, English, Spanish
Speak two or more languages
86% (Germany: 97%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Düsseldorf are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Düsseldorf using Fortran
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
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 29 Oct 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
Purpose and applications
Fortran is a compiled programming language built for numerical and scientific computing. Companies use it for simulation software, weather models, computational fluid dynamics, structural analysis and high-performance research workloads. Its speed, array processing and mature numerical libraries keep it important in systems that must produce reliable results over long operating lifecycles.
Language and standards
Modern Fortran includes modules, derived types, interfaces, parallel features and clearer memory handling than older procedural code. Professionals may also work with legacy FORTRAN 77 or mixed codebases that combine several language standards. Strong expertise means preserving numerical behavior while improving structure, testing and maintainability.
Ecosystem and tooling
Fortran projects commonly rely on compilers and libraries selected for a target platform and workload.
- GNU Fortran, Intel Fortran and NVIDIA HPC SDK toolchains
- BLAS, LAPACK, MPI and OpenMP for numerical and parallel workloads
- CMake, Make, Git and continuous integration for repeatable builds
- Python, C and C++ bindings for data workflows and system integration
When companies need specialists
Freelance expertise is useful when an internal team must maintain a long-running simulation product, port code to new hardware or validate a major numerical change. It can also help when a research group needs to expose established Fortran routines through Python APIs, improve parallel performance or document code that only a few people understand. In Düsseldorf, collaboration may combine remote delivery with on-site workshops for industrial, research or engineering teams.
Typical deliverables
A Fortran specialist can assess a legacy codebase, define a modernization path and refactor modules without changing trusted results. Other deliverables include compiler migration, regression tests, MPI or OpenMP parallelization, performance profiling, numerical validation and deployment automation. The right approach depends on the domain model, data flow, hardware and required reproducibility.
What strong professionals bring
The strongest professionals combine language knowledge with numerical reasoning and disciplined software delivery. They can explain rounding, stability, precision and algorithmic trade-offs to both technical and domain teams. Look for clear tests against reference results, measured performance improvements, careful documentation and experience integrating Fortran with the surrounding toolchain.
Frequently asked questions
Curious about Fortran? Here are the answers that come up again and again.
Fortran is mainly used for scientific, engineering and high-performance numerical software. Common applications include climate and weather models, computational fluid dynamics, finite-element analysis, signal processing and research simulations. Many critical systems still depend on established Fortran routines because they are trusted and computationally efficient.
Fortran is often chosen for array-heavy numerical workloads, while C++ offers a broader general-purpose ecosystem and Python supports fast application development and data workflows. Python is frequently used around Fortran rather than instead of it, with compiled routines handling demanding calculations. The best choice depends on performance needs, existing code and the skills required for integration.
A strong Fortran specialist often works with MPI, OpenMP, BLAS, LAPACK, CMake and Git. Experience with C, C++, Python, Linux, numerical methods and scientific data formats is also valuable. For industrial work, domain knowledge in areas such as aerospace, energy, automotive simulation or computational science can reduce project risk.
The required depth depends on the codebase and the consequences of errors. A small integration task may need solid modern Fortran and build-system skills, while a legacy simulation or compiler migration calls for experience with numerical validation, profiling and older FORTRAN 77 conventions. Ask candidates to describe comparable systems and how they protected results during change.
Yes, Fortran work is often well suited to remote collaboration when repositories, build environments and test data are accessible. Teams in Düsseldorf may still prefer on-site sessions for hardware access, domain workshops or coordination with research and industrial stakeholders. Clear documentation, reproducible builds and agreed communication routines are especially important for distributed work.
Evaluate whether Fortran changes preserve reference results across representative inputs and platforms. Good work includes automated regression tests, compiler warnings addressed, measured performance data and readable module boundaries. A specialist should explain numerical assumptions and make it possible for another professional to build and verify the software.
Yes, Fortran modernization can proceed incrementally instead of requiring a full rewrite. Specialists may isolate global state, introduce modules and interfaces, add tests, replace unsafe patterns and connect selected routines to Python or C++. The safest plan keeps validated behavior visible while improving one part of the system at a time.
Before starting, a Fortran freelancer should clarify the language standards, compiler versions, target platforms, parallel model and numerical acceptance criteria. They should also ask about build automation, test coverage, external libraries, data access and the people who understand the domain rules. These details reveal whether the assignment is maintenance, modernization, optimization or new scientific software.
The average hourly rate of freelancers in Dusseldorf, Germany who have used Fortran in their recent projects is 98 €, which corresponds to a daily rate of about 784 € 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.
Hamburg 
Munich Request a free demo
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Philipp Thomaschewski
FRATCH CEO
