Stefan Hess - Fullstack Development, Product Owner & Tech Lead

Q: Where is Stefan based?

Stefan is based in Horw, Switzerland .

Q: What languages does Stefan speak?

Stefan speaks the following languages: German (Native), French (Native), Italian (Native), Romansh (Native), English (Advanced) .

Q: How many years of experience does Stefan have?

Stefan has at least 24 years of experience. During this time, Stefan has worked in at least 7 different roles and for 18 different companies . The average length of individual experience is 1 year and 4 months . Note that Stefan may not have shared all experience and actually has more experience.

Q: What is Stefan's latest experience?

Stefan's most recent position is Fullstack Development, Product Owner & Tech Lead at Trex AG .

Q: What companies has Stefan worked for in recent years?

In recent years, Stefan has worked for Trex AG , Anysell GmbH , IU Internationale Hochschule , and Tough GmbH .

Q: Which industries is Stefan most experienced in?

Stefan is most experienced in industries like Banking and Finance , Professional Services , Media, and Entertainment and Publishing . Stefan also has some experience in Retail , Information Technology (IT) , and Healthcare .

Q: Which business areas is Stefan most experienced in?

Stefan is most experienced in business areas like Information Technology (IT) , Finance , and Product Development . Stefan also has some experience in Marketing , Operations , and Logistics .

Q: Which industries has Stefan worked in recently?

Stefan has recently worked in industries like Media, Entertainment and Publishing , Healthcare , and Education .

Q: Which business areas has Stefan worked in recently?

Stefan has recently worked in business areas like Information Technology (IT) and Product Development .

Recommended expert

Horw, Switzerland

Experience

Jan 2024 - Dec 2025

2 years

Bern, Switzerland

Fullstack Development, Product Owner & Tech Lead

Trex AG

Business analysis, architecture, and implementation of a telemedicine platform for pet owners.
Leading the development team as Product Owner and Tech Lead.
Introducing agile processes, setting up development guidelines and system documentation.
Planning and implementing features like video calls, live chat, and marketing automation.
Implementing AI-based features such as automated tagging of information (missing pet reports, marketplace entries, etc.), preparation of social media content, and processing of conversation transcripts.
Skills: Angular, NGXS, Tailwind, Java, Spring Boot, Kubernetes, Docker, CI/CD, MySQL, LLMs, RAG, MCP, Redis, OpenSearch.
Industry: Veterinary medicine.

Jan 2024 - Dec 2024

1 year

Neerach, Switzerland

Fullstack Development

Anysell GmbH

Planning and implementing the product for video-based recruiting.
Applicants are automatically preselected by AI.
Using an LLM, applications are evaluated on different criteria to see how well they match the job profile.
Video recording with effects such as virtual backgrounds and overlays.
Video conversion to support all platforms.
Skills: Vue 3, Pinia, Vite, Tailwind, Vuestic UI, Laravel, LLM prompt engineering, Kubernetes, Docker, CI/CD, MySQL.
Industry: Human Resources.

Jan 2022 - Dec 2023

2 years

Munich, Germany

Fullstack Development

IU Internationale Hochschule

Developing the "Student Service Desk" application for the administration of distance learning students.
Transitioning applications to a microservice and micro-frontend architecture.
Building an LLM pipeline to support teaching material production.
Developing a UI component library and shaping processes and standards.
Skills: Vue 3, Pinia, Tailwind, Laravel, Kafka, Microservices, Micro-Frontends, Prompt Engineering, AWS EKS, MySQL, Cypress, Vitest, Vite, Storybook.
Industry: Education.

Jan 2020 - Dec 2022

3 years

Breuna, Germany

Fullstack Development

Tough GmbH

Developing the application for hosting online events like general meetings and concerts with video streaming, chat, Q&A, and a moderation screen.
The platform was implemented in a microservice architecture and is designed for reliability and scalability to handle large audiences at live events.
Skills: Vue 3, Tailwind, NestJS, MongoDB, Redis, Microservices, AWS ECS, Terraform, Cypress, Jest, GitHub Actions.
Industry: Events.

Jan 2020 - Dec 2020

1 year

Munich, Germany

Mobile Development

Ann & Art Anna Schröder, Artur Schröder GbR

Developing the "Hepta" expense tracker app for iOS.
Custom chart animations created specifically for the app.
Skills: Swift, Core UI, Core Animation, XCTest, Fastlane CI.
Industry: Finance.

Jan 2020 - Dec 2020

1 year

Zürich, Switzerland

Mobile development

D7 AG

Developed the "SWF OneTime Watch" app for iOS with animated clock, weather and news reader.
Placed a strong emphasis on the "look and feel" to make it stand out from other apps.
Skills: Swift, Core UI, Core Animation, XCTest, RSS feeds.
Industry: Digital media.

Jan 2019 - Dec 2020

2 years

Feusisberg, Switzerland

Fullstack development

DINACO – Digital Native Company AG

Web application for large events for recruiting, planning and invoicing staff.
Integrated into a suite of different applications for the events industry.
Automated software deployment in a complex system landscape.
Managed and monitored availability and performance.
Skills: Laravel, Vue, MySQL, GitLab, Docker, DevOps, CI/CD, AWS, unit tests and Dusk tests.
Industry: Events / large events.

Jan 2019 - Dec 2019

1 year

Gladbeck, Germany

Fullstack development

André Röntgen

Developed the "Wacht8" app to connect caregivers for elderly care.
Skills: Angular, Ionic (PWA for web, Android and iOS), Laravel, PHP, MySQL.
Industry: Healthcare.

Jan 2019 - Dec 2019

1 year

Fullstack development

Cleopatra Internet Ltd.

Created native iOS and Android apps for making animated emoticons.
Managed ad space sales and placement.
Skills: Java (Android), Swift (iOS), Laravel, MySQL, animation, audio effects, audio conversion, GeoIP, PayPal integration.
Industry: Entertainment.

Jan 2018 - Dec 2019

2 years

Cazis, Switzerland

Fullstack development & frontend tech lead

Caprex GmbH

Developed a comprehensive web app for employee time tracking and reporting.
Business analysis, UX design, frontend tech lead.
Skills: Angular, JavaScript, PWA, Bootstrap, jQuery, .NET, SaaS.
Industry: SaaS.

Jan 2018 - Dec 2018

1 year

Gossau, Switzerland

Fullstack Development

Biogas International AG

Development of a biogas registry for gas producers, traders and consumers.
Management, auditing and reporting of production, transport, trading and consumption of biogas.
Skills: Laravel, Vue, MySQL, Unit Tests, CI / CD, DevOps.
Industry: Energy.

Jan 2018 - Dec 2018

1 year

Fullstack Development

Swisskalk GmbH

Extensive web application for planning cleaning and maintenance tasks on home installations.
Scheduling field staff, documenting work steps, recording measurements, reporting and billing.
Implementation of an app for field staff with offline mode.
Skills: Angular, Javascript, Ionic, PWA, Laravel, MySQL, Unit Tests, CI / CD, GPS Tracking.
Industry: Cleaning.

Jan 2017 - Dec 2017

1 year

Germany

Mobile Development

Videoident24 GmbH

Development of an app for video identification and ID verification for a legally compliant online process.
Establishing audio/video connection to the existing communication system.
Skills: Java, Android, WebRTC, C++.
Industry: Finance.

Jan 2016 - Dec 2017

2 years

Cologne, Germany

Fullstack Development

Pflüger Rechtsanwälte

Development of a complex web application for handling insurance claims.
Digitalization and automation of workflows.
Integration with existing industry software packages.
Skills: Laravel, MySQL, Vue, Vuex, JavaScript, Bootstrap, Unit Tests, CI / CD, OCR text recognition, office automation.
Industry: Law firm.

Jan 2015 - Dec 2016

2 years

Berlin, Germany

Fullstack Development

Ankaufalarm

Development of a web application for buying media products, inventory management, automatic listing on third-party platforms, and shipping process.
Integration of external services and API interfaces.
Incorporation of affiliate programs.
Skills: Laravel, MySQL, Blade Views, Bootstrap, JavaScript, JQuery, Amazon, Ebay, DHL, Performance optimization.
Industry: Retail / E-Commerce.

Jan 2015 - Dec 2015

1 year

Schlieren, Switzerland

Fullstack development

Ruf Avatech AG

Implementation of a system for distributing and displaying schedules and digital information content at schools.
Development of an Android app to receive and display multimedia content.
Development of a management console to install, manage, monitor devices, and distribute content.
Customization of hardware and operating system of end devices.
Skills: C# .Net, WCF, Java, MS SQL Server, Android system programming, encrypted communication.
Industry: Digital Signage.

Jan 2011 - Dec 2013

3 years

Switzerland

Fullstack development

GameStock (arwedes gmbh)

Development and operation of an online platform for trading used media items.
Automation of logistical and financial processes.
Training of AI algorithms for pricing.
Building a team for logistics and customer service.
Development of an Android and iOS app for purchasing; performance optimization, SEO.
With GameStock, hundreds of thousands of media items were traded, and this interesting experience provided deep insight into the entire e-commerce lifecycle.
Skills: C# .Net, NHibernate, MS SQL Server, interfaces (Amazon, PayPal, Postfinance, etc.), AdWords, SEO.
Industry: E-Commerce.

Jan 2000 - Dec 2009

10 years

Switzerland

IT consulting for private banks

Specto Consulting AG

Part of a consulting team deployed at various private banking clients.
Building comprehensive IT knowledge and understanding of financial processes.
Development, testing, and operation of banking applications (.Net).
Support and migrations of core banking systems (Bancos, OBS, Avaloq).
Database design and programming (SQL Server, Oracle).
Networking & security, application and user support, system administration on Solaris and Windows.
Skills: .Net, JavaScript, MS SQL Server, Oracle, Cobol, core banking (Bancos, OBS, Avaloq), networking & security (Cisco, CentralPoint, RSA), VMWare, Windows Server, Solaris.
Clients: Claridenbank, BBVA (Switzerland), Dresdner Bank (Switzerland), Sberbank (Switzerland).

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 Banking and Finance (12 years), Information Technology (5 years), Media and Entertainment (5 years), Professional Services (5 years), Retail (5 years), and Healthcare (3 years).

Banking and Finance

Information Technology

Media and Entertainment

Professional Services

Retail

Healthcare

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 (24 years), Finance (10 years), Product Development (9 years), Marketing (4 years), Operations (3 years), and Logistics (3 years).

Information Technology

Finance

Product Development

Marketing

Operations

Logistics

Summary

For over ten years, I have been working successfully as a fullstack developer, Tech Lead, and product designer, delivering numerous software projects across various industries. My clients appreciate not only my technical skills but also my holistic perspective and my ability to solve problems pragmatically and efficiently. I develop cleaner and modern software (microservices, micro-frontends) and also take responsibility for deployment and operation in containerized cloud environments (AWS, Kubernetes). Previously, I worked for over ten years as a consultant for Swiss private banks, where I gained valuable experience in different IT roles – from network and security architecture to core banking support and development.

Skills

Programming Languages: Typescript, Javascript, Php, Python, Java, Swift, C#, Go
Frameworks: Vue, Angular, React, Laravel, Node.js, Nestjs, Electron, Spring Boot, Django
Frontend: Micro-frontends, Html, Css, Scss, Tailwind, Bootstrap, Material, Responsive Web Design, Server Side Rendering
Mobile: Android, Ios, Ionic, Capacitor, Pwa
Methodology: Scrum, Microservices, Tdd
Devsecops: Docker, Kubernetes, Terraform, Ci/cd, Aws, Azure, Kafka
Databases: Mysql, Mariadb, Mongodb, Ms Sql Server, Oracle

Languages

German

Native

French

Native

Italian

Native

Romansh

Native

English

Advanced

Education

Oct 2006 - Jun 2007

IWB Ausbildungszentrum

IT specialist with professional certificate · Lucerne, Switzerland

Aug 1996 - Jul 1999

FUGA AG

Commercial apprenticeship with diploma · Lucerne, Switzerland

Aug 1986 - Jul 1996

Sonnenberg

Primary and secondary school · Baar, Switzerland

Profile

Created

January 2026

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Frequently asked questions

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

Where is Stefan based?

Stefan is based in Horw, Switzerland.

What languages does Stefan speak?

Stefan speaks the following languages: German (Native), French (Native), Italian (Native), Romansh (Native), English (Advanced).

How many years of experience does Stefan have?

Stefan has at least 24 years of experience. During this time, Stefan has worked in at least 7 different roles and for 18 different companies. The average length of individual experience is 1 year and 4 months. Note that Stefan may not have shared all experience and actually has more experience.

What roles would Stefan be best suited for?

Based on recent experience, Stefan would be well-suited for roles such as: Fullstack Development, Product Owner & Tech Lead, Fullstack Development, Mobile Development.

What is Stefan's latest experience?

Stefan's most recent position is Fullstack Development, Product Owner & Tech Lead at Trex AG.

What companies has Stefan worked for in recent years?

In recent years, Stefan has worked for Trex AG, Anysell GmbH, IU Internationale Hochschule, and Tough GmbH.

Which industries is Stefan most experienced in?

Stefan is most experienced in industries like Banking and Finance, Professional Services, Media, and Entertainment and Publishing. Stefan also has some experience in Retail, Information Technology (IT), and Healthcare.

Which business areas is Stefan most experienced in?

Stefan is most experienced in business areas like Information Technology (IT), Finance, and Product Development. Stefan also has some experience in Marketing, Operations, and Logistics.

Which industries has Stefan worked in recently?

Stefan has recently worked in industries like Media, Entertainment and Publishing, Healthcare, and Education.

Which business areas has Stefan worked in recently?

Stefan has recently worked in business areas like Information Technology (IT) and Product Development.

What is Stefan's education?

Stefan attended IWB Ausbildungszentrum.

What is the availability of Stefan?

Stefan is immediately available for suitable projects.

What is the rate of Stefan?

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