Recommended expert

Lennart Altenhof

Freelancer

Lennart Altenhof
Neu-Ulm, Germany

Experience

Nov 2023 - Present
2 years 4 months

Freelancer

LA Solutions

  • IT services
  • Software development
  • System administration
  • Event technology
Apr 2023 - Dec 2025
2 years 9 months
Ulm, Germany

Senior Full Stack Developer

DATATRONiQ GmbH

  • Project management, architecture design, and quality assurance across various (new) projects
  • Application evaluations and interviews
  • Distributed pipeline for aggregating large amounts of data and converting formats
  • Kubernetes operator for automated management of cluster nodes to eliminate manual node setups
  • QA tools for existing applications to reduce manual testing and speed up development
  • Microservices, e.g. a storage proxy
  • Kubernetes operator for automated resource provisioning that was previously done manually in a time-consuming process
  • Code reviews
Aug 2021 - Mar 2023
1 year 8 months
Neu-Ulm, Germany

Full Stack Developer

BITE GmbH

  • Architecture, design, and development of a distributed mail delivery system that can send several thousand emails per second
  • Development of a chatbot for recruiting applications
  • Internal tools and various microservices, e.g. for monitoring and other purposes
Aug 2020 - Aug 2021
1 year 1 month
Ulm, Germany

Working Student

Gerling Consulting GmbH

  • Point of contact for RPA
  • Development of internal tools
  • Client presentations and research
Aug 2020 - Apr 2021
9 months
Ulm, Germany

Student Assistant

eXXcellent solutions

  • Development of a web application with Angular as part of my studies.
Jun 2019 - Sep 2020
1 year 4 months
Neu-Ulm, Germany

Temporary worker

Ecodrom Neu-Ulm GmbH

  • Assisted with reception, catering, and reservations.
Jan 2014 - Dec 2018
5 years
Nordhorn, Germany

Management

SEG Showtechnik (student company)

  • Managed operations, organized and conducted events, and led my own working groups.

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Professional Services (6 years), Information Technology (5.5 years), and Tourism (1.5 years).

Professional Services
Information Technology
Tourism

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Operations (7 years), Information Technology (5.5 years), Product Development (4.5 years), Project Management (2.5 years), Quality Assurance (2.5 years), and Customer Service (1.5 years).

Operations
Information Technology
Product Development
Project Management
Quality Assurance
Customer Service

Skills

  • Office Programs
  • Video Processing
  • Event Technology
  • Angular
  • Sql
  • Software Development
  • Git
  • Go
  • Typescript
  • Fullstack Development
  • Python
  • React
  • Postgresql
  • Mqtt
  • Smtp
  • Kubernetes
  • Helm
  • Docker
  • Containerization

Languages

German
Native
English
Advanced

Education

Oct 2021 - Apr 2024

University of Ulm

Master of Science · Software Engineering · Ulm, Germany · 1.3

Sep 2018 - Oct 2021

University of Ulm

Bachelor of Science · Software Engineering · Ulm, Germany · 1.5

Jan 2013 - Jun 2018

Evangelical High School Nordhorn

High School, general university entrance qualification · Nordhorn, Germany · 1.4

...and 1 more

Certifications & licenses

Certificate: SEG management

German Dance Badge: Bronze

Driver's license: AM

Driver's license: B

Profile

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Last Update
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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Lennart based?

Lennart is based in Neu-Ulm, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Lennart speak?

Lennart speaks the following languages: German (Native), English (Advanced).

How many years of experience does Lennart have?

Lennart has at least 12 years of experience. During this time, Lennart has worked in at least 7 different roles and for 7 different companies. The average length of individual experience is 2 years and 8 months. Note that Lennart may not have shared all experience and actually has more experience.

What roles would Lennart be best suited for?

Based on recent experience, Lennart would be well-suited for roles such as: Freelancer, Senior Full Stack Developer, Full Stack Developer.

What is Lennart's latest experience?

Lennart's most recent position is Freelancer at LA Solutions.

What companies has Lennart worked for in recent years?

In recent years, Lennart has worked for LA Solutions, DATATRONiQ GmbH, BITE GmbH, Gerling Consulting GmbH, and eXXcellent solutions.

Which industries is Lennart most experienced in?

Lennart is most experienced in industries like Professional Services, Information Technology (IT), and Tourism and Hospitality.

Which business areas is Lennart most experienced in?

Lennart is most experienced in business areas like Operations, Information Technology (IT), and Product Development. Lennart also has some experience in Project Management, Quality Assurance (QA), and Customer Service.

Which industries has Lennart worked in recently?

Lennart has recently worked in industries like Information Technology (IT) and Professional Services.

Which business areas has Lennart worked in recently?

Lennart has recently worked in business areas like Information Technology (IT), Product Development, and Project Management.

What is Lennart's education?

Lennart holds a Master in Software Engineering from University of Ulm and a Bachelor in Software Engineering from University of Ulm.

Does Lennart have any certificates?

Lennart has 4 certificates. Among them, these include: Certificate: SEG management, German Dance Badge: Bronze, and Driver's license: AM.

What is the availability of Lennart?

Lennart is immediately available part-time for suitable projects.

What is the rate of Lennart?

Lennart's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Lennart?

To hire Lennart, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

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

1200
900
600
300
Market avg: 850-1010 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.