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M4IER
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Software development

We build software that simplifies processes – from MVP to enterprise.

Web applications, mobile apps and interfaces – from MVP to operations. We modernise legacy systems and work in agile Scrum sprints.

No obligation: we clarify what you need and give you an initial assessment.

Typical situations

Services in detail

Web applications

  • Modern web stacks (Java, .NET, TypeScript, Python)
  • Frontends with React, Angular or Vue.js
  • Responsive, accessible and usable as a progressive web app

Mobile apps

  • iOS and Android, native and cross-platform
  • Flutter, Xamarin and native iOS development
  • Offline capability and synchronisation
  • Publishing in the app stores

API & system integration

  • REST and OData APIs
  • Microservice architectures
  • Integration with ERP, CRM and shop systems
  • Data migrations

DevOps & cloud-native

  • CI/CD pipelines
  • Docker & Kubernetes
  • Infrastructure as code
  • Monitoring & logging

How we work

  1. Discovery

    Clarify goals, users and constraints.

    ResultDocumented requirements, user groups and success criteria

    Duration: typically 1–2 days

  2. UX

    Design and agree on flows and interfaces.

    ResultAgreed designs or a clickable prototype

    Duration: typically 3–4 days

  3. Sprints

    Build in short iterations with regular demos.

    ResultWorking software after every sprint, shown in a review

    Duration: 1 to n sprints of 2–3 weeks each

  4. QA

    Testing, code reviews and security checks.

    ResultTest reports, code review and security check

    Duration: typically 2–3 days

  5. Go-live

    A controlled launch into production.

    ResultApplication in production with a fallback plan

    Duration: typically 1 week

  6. Operations

    Monitor, maintain and keep improving.

    ResultMonitoring, updates and further development as agreed

    Duration: ongoing

Partners & certificates

Certificates held by Frank Maier.

Projects in this area

All references
  • Development · SAP & commerce

    Festo SE & Co. KG

    Industrial automation (B2B) · Group with 56 national subsidiaries

    Frank Maier’s project experience, before M4IER

    Partner integration & commercial APIs (API4BIZ)

    Result

    Commercial APIs delivered for distributors, dealers and end customers; partner ecosystem expanded

    Duration: 2025–2026
  • Development · Consulting

    Retail company

    Retail · 10 employees · Client anonymised

    Website relaunch, CRM set-up and lead generation

    Result

    Lead generation automated · leads assigned geographically · basic CRM in use · email marketing enabled

    Duration: 10/2025–02/2026
  • Development · Consulting

    Festo SE & Co. KG

    Industrial automation (B2B) · Group with 56 national subsidiaries

    Frank Maier’s project experience, before M4IER

    Automation and AI in sales and development

    Result

    Automated workflows and AI-assisted document processing in use; Copilot introduced in the development teams

    Duration: 2022–2026
  • Development · Operations · SAP & commerce

    Festo SE & Co. KG

    Industrial automation (B2B) · Group with 56 national subsidiaries

    Frank Maier’s project experience, before M4IER

    Digital commerce platform for 56 national subsidiaries

    Result

    Online share of sales raised from 15 % to 40 % · over €1bn transaction volume · around 1 million orders a year · 99.99 % SLA availability

    Duration: 2017–2022
  • Development

    Festo USA

    Industrial automation (B2B) · US subsidiary of the Festo group

    Frank Maier’s project experience, before M4IER

    Festo FAST – customer app for the US market

    Result

    One code base for iOS and Android with an offline product catalogue and eBusiness functions

    Duration: 2015
  • Development

    Festo SE & Co. KG

    Industrial automation (B2B) · Group with 56 national subsidiaries

    Frank Maier’s project experience, before M4IER

    xTimeR and customer pricing simulation

    Result

    Two applications in use: time recording with SAP integration and a pricing simulation for sales

    Duration: 2014–2015

Frequently asked questions

Who owns the source code?

You do. The source code and the rights to software developed specifically for you pass to you as the client.

Do you work at a fixed price or on a time-and-materials basis?

Both: clearly defined projects at a fixed price, open or agile projects on a time-and-materials basis. Our day rate is €720–960 (plus VAT), depending on the task.

Which technologies do you use?

Mainly Java, .NET, TypeScript and Python; React, Angular or Vue.js in the frontend; Flutter, Xamarin and native iOS for mobile. We choose the technology to fit your needs and existing landscape.

What does an MVP cost?

That depends on the scope of the project. We start with a short discovery workshop in which we cut the scope down to the essentials. On that basis you receive a concrete quote – time and materials or fixed price.

Do you take over existing software?

Yes. We analyse the existing code, make it maintainable and develop it further – or plan a step-by-step replacement.

Who runs the software after go-live?

We can, if you like. Your own team can take over just as well: we document clearly and hand over in a structured way.

Do you also work remotely?

Yes. Development is mostly remote across DACH; for workshops and key meetings we are happy to come by in the Stuttgart region.

Let’s talk about your project.

Book a free intro call. Prefer to get in touch directly? Call us or use the form to send a few lines about what you have in mind.

Free 30-min intro call(opens in a new tab)

No obligation: we clarify what you need and give you an initial assessment.

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Your contact
Frank Maier
Address
M4IER Consulting
Ringstraße 101
73257 Köngen, Germany
Fax
+49 7024 4081159