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Find the perfect Software Developer in Dortmund in minutes from over 15,000 CVs with the power of AI.

Access freelance software engineers, full-stack programmers, and backend specialists in Dortmund. Build scalable web applications, integrate legacy systems, and accelerate your digital projects with vetted, available experts matched to your technical stack.

About the role

Developing scalable solutions for Dortmund's evolving industries

Dortmund has transformed into a vibrant technology hub, where traditional industrial heritage meets modern IT services. Freelance software developers play a critical role in this ecosystem, helping companies transition to cloud architectures, automate logistics workflows, and build custom enterprise applications. Whether migrating legacy software or launching new digital products, local businesses rely on external engineering expertise to maintain their competitive edge.

Core technical capabilities and programming languages

An expert freelance software developer brings deep knowledge of modern architectures, development practices, and specialized tech stacks. They integrate seamlessly into existing agile teams to write clean, maintainable, and secure code.

  • Full-stack development with JavaScript, TypeScript, React, and Node.js
  • Backend engineering using Java, Spring Boot, Python, and C# .NET
  • Cloud native deployments on AWS, Microsoft Azure, and Google Cloud Platform
  • Database design and optimization with PostgreSQL, MongoDB, and SQL Server
  • Implementation of CI/CD pipelines, Docker, and Kubernetes

When to hire a freelance software developer

Companies often bring in freelance software engineers to fill critical skill gaps during intense project phases or to accelerate product launches. When internal resources are fully utilized, an external coder provides immediate relief and specialized knowledge that might not exist in-house. This approach allows local enterprises to scale their development capacity dynamically without long-term commitment, adapting quickly to changing market demands.

Collaboration models in the Ruhr region

The Dortmund technology sector favors flexible working models. Many freelance developers work fully remote, utilizing modern communication and collaboration tools to stay aligned with product owners. However, for initial onboarding, sprint planning, or alignment workshops with local stakeholders, a hybrid model with occasional on-site presence in Dortmund is often preferred. Clear documentation and automated testing ensure smooth handovers at project completion.

Meet FRATCH Software Developers

Diego Espinoza

RPG Software Developer from RPG III to Free Format

Dortmund

Last position:

RPG Software Developer from RPG III to Free Format

  • Development of software and system support for RPG development.
  • Development, optimization and maintenance of programs in RPG (RPG II to ILE Free Format).
  • Performing integration tasks, data management as well as applying and managing system updates.
  • User support and training to ensure smooth system operation.
Diego Espinoza

Jens Schneeweiß

Software Developer for C, C++, C++/CLI and C#

Herten

Last position:

Network Technology at ISP, Internet Service Provider, BGP Peering

  • Optimization of the transmission media of the data links in the Ruhr area
  • Configuration/expansion of switches and routers for an autonomous system AS
  • Improve the network protocols used Layer 2/3 (OSI model), RSTP, broadcast, etc.
  • Laying cables, crimping, antennas, routers, switches
  • Maintenance, expansion, selection and prioritization of troubleshooting measures for network monitoring (PRTG, The Dude)
  • Organization and new connection of another BGP peering, data center, NGN fiber optic
  • VPN IPSec site connections for 6 sites with PFSense, Fritzbox
  • Configuration of WLAN devices (Mikrotik, UBNT

Label: TCP/IP, VLAN, BGP, OSPF, MPLS, VPLS, routing protocols, WLAN, EoIP, PPPoE, routing, SNMP, DHCP, DNS, NAT, native IP, VLAN, Ethernet, VoIP., switches and routers from: Nortel, Cisco, MikroTik, UBNT., network management systems: The Dude, PRTG, UISP

Jens Schneeweiß

Hamza Sohail

Software Developer

Bochum

Last position:

Software Developer at WaslSign

  • Designed and implemented the system architecture for scalable document workflows, improving stability and performance.
  • Optimized the login flow with TOTP-based MFA, reducing complexity and login time by 35%.
  • Built secure backend APIs for document upload, signing, and management.
  • Developed encrypted file handling with AWS S3 pre-signed URLs, ensuring GDPR-compliant data protection.
  • Implemented JWT-based role authentication, strengthening access control and overall platform security and reducing code and database complexity.
  • Optimized database queries and caching using ORM, reducing API response time by 40%.
  • Integrated real-time webhook updates, enhancing workflow transparency and user experience.
Hamza Sohail

Romuald Gackowski

Software Developer

Recklinghausen

Last position:

Software Developer at Aluminium Norf GmbH

  • Setting up a server to distribute production events from MES to the existing PPS
  • Adding additional servers to the existing setup
  • Reporting changes in packaging inventory to TWMS
Romuald Gackowski

Ilja Leyberman

Software Engineer/Architect (Tech Lead)

Unna

Last position:

Software Engineer/Architect (Tech Lead) at Mercedes-Benz Tech Innovation GmbH

  • Implementation of various interfaces for subsystems and connection to external devices (cameras, scanners, digital lockers)
  • Development of various interfaces in the used cars area
  • Realization of various prototypes
  • Support in UI/UX and data analytics
  • Development of frontend and backend solutions
  • Kubernetes migration
  • Building CI/CD pipelines
  • Communication with the business unit and technical design of new solutions
  • Cross-team alignment and coordination within the team
  • Overview of the entire technology stack and related systems
  • Documentation, preparation, and conducting of reviews
  • Supporting the team and coordinating releases and key milestones
Ilja Leyberman

Peter Steinbrecher

Freelance Software Developer and Consultant

Lünen

Last position:

Freelance Software Developer and Consultant at Freelance Software Developer and Consultant

Peter Steinbrecher

Discover over 15,000 top freelancers

Software Developers statistics

Aggregated from the professional profiles of matched freelancers.

Experience

30 years

Position duration

4.2 years

Positions per freelancer

16

Top business areas

Information Technology, Product Development, Project Management

Top industries

Information Technology, Banking and Finance, Automotive

Certification focus areas

Information Technology, Business Intelligence, Product Development

Bachelor's degree or higher

60%

Master's degree or higher

20%

Certifications per freelancer

3

Most common languages

German, English, Spanish

Speak two or more languages

100%

Daily Rate Distribution

0 1 2 3 4
<€480 €480-560 €560-640 €640-720 €720+

The chart shows how the daily rates of freelancers in this role 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. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Average rates for Software Developers & Seniority distribution

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

800
600
400
200
Rate comparison chart
Daily rate avg. 628 €

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

800
600
400
200
Rate comparison chart
Median rate 640 €

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.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

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Frequently Asked Questions

Want to learn more? Find helpful information about FRATCH

A freelance software developer designs, builds, and maintains custom software applications tailored to business requirements. In Dortmund, they often work with logistics, IT service providers, and manufacturing firms to automate processes, build web platforms, or integrate APIs.

While the terms are often used interchangeably, a software engineer typically focuses on the broader system architecture, design patterns, and engineering principles. A programmer or coder concentrates primarily on writing the actual code to implement those designs, though many freelance professionals excel at both.

Hiring an external application developer allows Dortmund-based companies to scale their engineering teams rapidly for specific projects. It provides instant access to niche technologies without the overhead of permanent hiring, making it ideal for launching new products or modernizing legacy software.

Many local projects require a software engineer skilled in enterprise-grade technologies like Java, C#, or modern JavaScript frameworks. Due to the strong logistics and industrial base in the Ruhr region, experience with cloud platforms, IoT integrations, and database optimization is also highly valued.

Yes, most software developers work highly productively in fully remote setups, using tools like Git, Jira, and Slack. However, some Dortmund clients prefer a hybrid approach, requesting occasional on-site meetings to foster closer collaboration during critical sprint planning phases.

You can assess a freelance programmer by reviewing their portfolio of completed projects, checking their GitHub repositories, or conducting a technical code review. A strong candidate will demonstrate clear problem-solving skills, structured coding habits, and a solid understanding of software testing practices.

While German is useful for local coordination, English is the primary language of code and documentation for any software developer. Many technology-driven companies in Dortmund operate with international teams, making fluent professional English an absolute necessity for daily stand-ups and technical alignment.

The duration of an engagement for an external coder depends entirely on the project scope, often ranging from three to twelve months. Many contracts are extended as new features are prioritized, ensuring continuous development support until the product is fully launched and transitioned to the internal team.

The average hourly rate for Software Developers in Dortmund is 78 €, which corresponds to a daily rate of about 628 € based on an 8-hour working day.

Of the freelancers working as Software Developers in Dortmund, 60% hold at least a Bachelor's degree and 20% hold at least a Master's degree.

On average, freelancers working as Software Developers in Dortmund have 30 years of professional experience, with a single engagement typically lasting around 4.2 years.

The most common languages among freelancers working as Software Developers in Dortmund are German (100%), English (100%), and Spanish (33%).

The most common industries among freelancers working as Software Developers in Dortmund are Information Technology (100%), Banking and Finance (67%), and Automotive (50%).

The most common business areas among freelancers working as Software Developers in Dortmund are Information Technology (100%), Product Development (83%), and Project Management (67%).

FRATCH Software Developers main locations

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.

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Philipp Thomaschewski

FRATCH CEO

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