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Hans (Christian) Reinl

Engineering and Leadership Consultant

Hans Reinl
Cologne, Germany

Experience

Jul 2025 - Present
8 months

Engineering and Leadership Consultant

Self-employed

Leveraging 15+ years of high-scale platform architecture and engineering leadership to consult with companies, focusing on enhancing their engineering capabilities and accelerating adoption of the AI-native web.

  • AI & Machine Learning: Hands-on architecture and implementation using Vercel AI SDK, Next.js, Supabase, and Serverless architectures to build production-ready AI applications.
  • Reference Architecture: Designed and implemented a full-stack, conversational coach (N+One AI Coach) based on Next.js and Vercel Edge Network for personalized training, demonstrating expertise in performant serverless applications and AI-powered experiences.
  • Agentic Systems & Data Processing: Developed agentic-led, low-code crawling and indexing processes for fiber internet network information, showcasing proficiency in automation, LLM integration, and data structuring.
Oct 2021 - Jun 2025
3 years 9 months

Vice President Engineering

Seven.One Entertainment Group GmbH / ProSiebenSat.1

  • Responsible for strategic development and maintenance of the customer facing applications of the multi-tenant Video on Demand Streaming Platform Joyn, serving around 11 million monthly active users
  • Successfully led six distributed engineering teams comprising 55+ individuals, including Engineering Managers and Staff Engineers, aligning business strategy with upper management and reporting to the CTO
  • Implemented and directed the overall engineering vision for the organization; planned and budgeted internal and external costs
  • Promoted and fostered a positive company culture, resulting in the successful pivot and roll-out of the product landscape to a new technology stack and revenue model
  • Introduced AI engineering practices by piloting GitHub Copilot, enhancing developer productivity and code quality
Jul 2020 - Sep 2021
1 year 3 months

Director Technology & Product, FYEO

Seven.One Entertainment Group GmbH / ProSiebenSat.1

  • Led the development and maintenance of FYEO, a podcasting app with over 1.6 million formats and 40 million episodes
  • Built and led a cross-functional, distributed technology and product team of 13 members and managed career development and recruitment processes
  • Replaced an external agency with internal development and design personnel
  • Developed and aligned business strategy with business owners and management, reporting to the CTO
  • Implemented an engineering and product vision; created and executed a product roadmap and data-driven product planning processes involving all stakeholders
  • Significantly increased key performance indicators, such as retention, reach, and technical stability
Jul 2018 - Sep 2019
1 year 3 months

Lead Software Engineer and Software Architect

AXA Deutschland

  • Led the development and growth of an engineering team responsible for building online insurance tariff calculators in a strongly regulated environment
  • Developed services using Node.js and Java for the backend with a microservice architecture
  • Designed and implemented the architecture for applications using React.js with TypeScript
  • Architected and deployed applications in a custom cloud environment based on Kubernetes and Docker, utilizing cloud-native best practices and automation tools like Terraform and Jenkins
  • Expanded the team from four to 14 developers by leading cross-functional teams and fostering an agile work environment
Jul 2017 - Jun 2018
1 year

Software Engineer

REWE digital

  • Contributed to the development of platform services enhancing the web experience of REWE's online presence and shop
  • Built microservices with Node.js, transforming the backend from on-premise to cloud-native on Google Cloud Platform using Kubernetes and Docker
  • Implemented Apache Kafka for efficient data streaming and real-time data processing
  • Employed React.js for the front-end with a micro-frontend architecture
  • Developed internal services that streamlined workflows for engineers
Nov 2015 - Aug 2016
10 months

Engineering Manager and Software Architect

Fashionette

  • Spearheaded the transformation of the e-commerce platform from a monolithic Magento system to a scalable microservice architecture
  • Led the relaunch of the e-commerce platform and expanded the team to 14 software engineers
  • Established a robust foundation for the company's future growth
  • Employed PHP for backend development, leveraging cloud-based services to enhance scalability
Apr 2013 - Jun 2020
7 years 3 months

Software Architect & Engineer, Engineering Manager

Self-employed

  • Worked on projects for clients such as AXA, REWE digital, Vaillant Group Business Services and Fashionette
  • Served as Software Architect, Engineer, Scrum Master and Engineering Manager working on new and existing software architectures

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 Information Technology (11.5 years), Insurance (7 years), Retail (7 years), Media and Entertainment (5 years), Fashion (1 year), and Professional Services (0.5 years).

Information Technology
Insurance
Retail
Media and Entertainment
Fashion
Professional Services

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 Information Technology (13 years), Product Development (13 years), Project Management (11 years), Strategy (1 year), and Research and Development (0.5 years).

Information Technology
Product Development
Project Management
Strategy
Research and Development

Summary

As an experienced Engineering Leader and Software Architect in startups and corporates, I served my last role as Vice President of Engineering for Seven.One Entertainment Group (ProSiebenSat.1) where I led a team of 55 engineers, building Joyn, the Video Streaming Platform. I have more than 15 years of experience developing scalable web-applications using cutting-edge technologies by utilizing agile development and methodologies. I am currently looking for a new challenge.

My Ambition

My goal is to be a highly influential technology leader, shaping the technological direction of a company. I aim to leverage my skills in servant leadership, engineering strategy, and product development to empower teams and drive innovation that delivers impactful results.

My Passion

I am passionate about creating robust systems in high-performance environments and building teams that strive for excellence. My primary focus is on empowering and accelerating the growth of my team members.

My Values

Impactful Results

I consistently deliver meaningful value and tangible results that create a positive impact.

Empowered Individuals

I nurture and empower individuals, fostering a collaborative and growth-oriented environment.

Transparent Communication

I prioritize open and honest communication, valuing transparency above personal agendas.

Languages

German
Native
English
Advanced

Certifications & licenses

Certification

Certified Scrum Master

Scrum Alliance

Profile

Created
Last Update
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Frequently asked questions

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

Where is Hans based?

Hans is based in Cologne, Germany.

What languages does Hans speak?

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

How many years of experience does Hans have?

Hans has at least 13 years of experience. During this time, Hans has worked in at least 7 different roles and for 5 different companies. The average length of individual experience is 2 years and 10 months. Note that Hans may not have shared all experience and actually has more experience.

What roles would Hans be best suited for?

Based on recent experience, Hans would be well-suited for roles such as: Engineering and Leadership Consultant, Vice President Engineering, Director Technology & Product, FYEO.

What is Hans's latest experience?

Hans's most recent position is Engineering and Leadership Consultant at Self-employed.

What companies has Hans worked for in recent years?

In recent years, Hans has worked for Self-employed and Seven.One Entertainment Group GmbH / ProSiebenSat.1.

Which industries is Hans most experienced in?

Hans is most experienced in industries like Information Technology (IT), Insurance, and Retail. Hans also has some experience in Media, Entertainment and Publishing, Fashion and Apparel, and Professional Services.

Which business areas is Hans most experienced in?

Hans is most experienced in business areas like Information Technology (IT), Product Development, and Project Management. Hans also has some experience in Strategy and Planning and Research and Development (R&D).

Which industries has Hans worked in recently?

Hans has recently worked in industries like Media, Entertainment and Publishing, Information Technology (IT), and Professional Services.

Which business areas has Hans worked in recently?

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

Does Hans have any certificates?

Hans has 2 certificates. These include: Certification and Certified Scrum Master.

What is the availability of Hans?

Hans will be available full-time from March 2026.

What is the rate of Hans?

Hans'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 Hans?

To hire Hans, 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.

1000
750
500
250
Market avg: 750-910 €
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.