Der Hentrich - Web and Software ServicesDer Hentrich
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Freelance Software Engineer

Freelance Software Engineer for custom software solutions

I develop custom software for companies, SaaS products and development teams and support the continued development of existing systems.

I bring around 15 years of professional software engineering experience. My focus is on backend systems, APIs, web applications, integrations and technical solutions for specific requirements.

Christian Hentrich at his workspace
Services

Software development for specific requirements

I support companies with new software projects, the continued development of existing applications and situations where additional technical experience is needed within the team.

01

Custom software development

I develop software for specific workflows and requirements, from individual features to custom applications.

02

Backend & API development

Backends, REST APIs, interfaces and integrations for web applications and digital products.

03

Modernisation of existing software

I continue developing existing applications, solve technical problems and modernise established systems step by step.

04

Technical consulting & development support

Support with technical decisions, ongoing projects and additional development tasks.

05

Automation & process digitalisation

I simplify recurring workflows with software, interfaces and appropriate automation.

06

Websites & web solutions

Professional websites and custom web solutions for companies with specific requirements.

View all services
Experience

Around 15 years of software development experience

I have worked professionally in software development for around 15 years and have worked on a range of production systems and applications during that time.

A large part of my work involves understanding existing software, analysing problems and developing solutions that fit the existing structure.

I work independently, make technical decisions at senior level and coordinate directly with clients, teams and other stakeholders.

15+

Years of experience

Professional software development in production projects and systems.

02

Senior Backend

Experience with backend systems, APIs, integrations and databases.

03

Established systems

Continued development and modernisation of existing software in production.

04

Direct collaboration

Direct coordination with clients, development teams and other project stakeholders.

In development

Sales Ops*

Sales operations for small sales teams.

Sales Ops is being developed as a platform designed to bring leads, qualification, follow-ups and the path to a completed deal together in one continuous sales process.

* Temporary name.

More about Sales Ops
Contact

Planning a software project?

If you need custom software, want to continue developing an existing system or need support for an ongoing project, we can discuss your specific requirements directly.

Send me a short description of what you are working on, what is already in place and where you need support.

What happens next?

  • ✓I review your request.
  • ✓I check whether and how I can support you.
  • ✓You receive a direct reply from me.