M

montamo

B2B heat pump & solar installations

Fullstack Engineer Intern

Internship
No salary listed
Bachelor's
Stuttgart, Germany
In Person
Software EngineeringFull-Stack Engineering

About the job

Requirements
  • Currently enrolled as a student in computer science, software development, or a related field.
  • Completion of a mandatory internship as part of the degree program is required.
  • Experience with Next.js and TypeScript and/or Python and Django.
  • Basic understanding of backend development and relational databases.
  • Experience with Git.
  • Very good communication skills in English or German.
Responsibilities
  • Develop and maintain modern web frontends and backend services and APIs.
  • Design, build, and integrate RESTful APIs and connect backend APIs to the frontend.
  • Work with relational databases.
  • Optimize performance, usability, and responsiveness across the entire stack.
  • Contribute to the evolution of the frontend and backend architecture.
  • Support improvements in stability and developer satisfaction, including automation, load testing, and security reviews.
  • Write clean, maintainable, well-structured code.
  • Pair program with AI tools.
Desired Qualifications
  • Experience using and designing REST APIs.
  • Experience with continuous integration and continuous delivery workflows.
  • Knowledge of cloud platforms.

About the company

Montamo provides B2B services to German heating and construction companies by installing and maintaining heat pumps and solar systems, serving as a digitized craft partner. It manages the whole project—from dismantling old systems and laying foundations to landscaping and electrical work—through a digital, coordinated process so partners can focus on their core business. The company differentiates itself by combining digitized project management with end-to-end installation support, helping partners scale despite skilled-labor shortages in Germany’s renewable-energy market. Its goal is to speed up the energy transition by delivering skilled labor and streamlined installations to partner businesses.

Company Size

11-50

Company Stage

Seed

Total Funding

$8.9M

Headquarters

Berlin, Germany

Founded

2023

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Simplify Jobs

Simplify's Take

What believers are saying

  • montamo launched a sales academy in 2026, signaling structured scaling beyond founders.
  • Presseportal covered montamo at The smarter E Europe 2026, boosting B2B visibility.
  • The 2025 €6 million seed round funds geographic expansion and additional training hubs.

What critics are saying

  • Germany’s installer shortage still limits throughput; missed hires directly cap revenue growth.
  • Competing regional craft firms and OEM networks can undercut montamo’s turnkey promise.
  • If academy-trained staff churn, service quality slips and customer trust erodes quickly.

What makes montamo unique

  • montamo bundles heat-pump, photovoltaic, electrical, and landscaping installation into one partner.
  • Its 2026 sites span Berlin, Stuttgart, Munich, and Köln, supporting regional execution.
  • The academy model trains career changers, easing Germany’s skilled-labor bottleneck.

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Benefits

  • Paid Vacation
  • Company Social Events
  • Flexible Work Hours

Growth & Insights and Company News

Headcount

6 month growth

13%

1 year growth

16%

2 year growth

13%
Brown Brothers Media
Apr 1st, 2025
montamo raises €6M to boost Germany's green energy push; aims to train and hire 1,000+ people in 5 years

montamo raises €6M to boost Germany's green energy push; aims to train and hire 1,000+ people in 5 years.

FirmenPresse
Mar 31st, 2025
montamo secures €6M funding round

montamo, a next-gen heat pump installer, has secured €6 million in a seed funding round led by Alter Equity, with participation from Rethink Education, Project A Ventures, and Firstminute Capital. Founded in 2023 in Berlin, montamo aims to expand its geographic reach in Germany, establish training academies, and address the skilled labor shortage by offering career opportunities to individuals from disadvantaged backgrounds. The company plans to open new hubs in major cities to enhance its installation capacity.

EU-Startups
Dec 11th, 2023
Berlin-based montamo secures €2.1 million pre-seed to tackle skills shortage in the green energy transition

German startup montamo has successfully closed a €2.1 million pre-seed funding round led by Project A Ventures, alongside several renowned angel investors.