I am Fred Klein, a full stack and native mobile app developer with over 25 years of experience in software development. My work has a strong focus on frontend technologies and UI/UX, and I have spent 10 years with Java. I have developed several SaaS products and have expertise in mobile development using Swift UI and backend technologies such as Node.js and Google Firebase. I also hold Google Certified Professional Cloud Architect credentials and multiple ServiceNow certifications. I've contributed to innovative projects in various sectors including healthcare, logistics, and insurance, and I enjoy combining frontend and backend skills with cloud architecture to build effective and user-friendly solutions.

Fred Klein

I am Fred Klein, a full stack and native mobile app developer with over 25 years of experience in software development. My work has a strong focus on frontend technologies and UI/UX, and I have spent 10 years with Java. I have developed several SaaS products and have expertise in mobile development using Swift UI and backend technologies such as Node.js and Google Firebase. I also hold Google Certified Professional Cloud Architect credentials and multiple ServiceNow certifications. I've contributed to innovative projects in various sectors including healthcare, logistics, and insurance, and I enjoy combining frontend and backend skills with cloud architecture to build effective and user-friendly solutions.

Available to hire

I am Fred Klein, a full stack and native mobile app developer with over 25 years of experience in software development. My work has a strong focus on frontend technologies and UI/UX, and I have spent 10 years with Java. I have developed several SaaS products and have expertise in mobile development using Swift UI and backend technologies such as Node.js and Google Firebase.

I also hold Google Certified Professional Cloud Architect credentials and multiple ServiceNow certifications. I’ve contributed to innovative projects in various sectors including healthcare, logistics, and insurance, and I enjoy combining frontend and backend skills with cloud architecture to build effective and user-friendly solutions.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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Language

French
Fluent
English
Fluent
German
Fluent

Work Experience

Software Engineer at Biveroni Batschelet Partners
November 1, 1996 - March 31, 2001
Introduced Object Oriented development into R&D. Lead and implement the redesign of the development environment. Cryptography server for 230 Swiss banks: developed the cross-platform inter-process communication library (NT / UNIX). Implemented cryptographic key management and communication to the dedicated hardware. In charge of the maintenance releases. C++, Java.
Senior Consultant at Bank / Innovation Process Technology
April 1, 2001 - December 31, 2003
Architecture and Project Management Lead and implement two J2EE projects for cash and portfolio management. Teams up to 10 persons over 8 months. Apply RUP and XP techniques. Introduce iterative development, coding style-guides, unit tests and pair programming. Coach project manager on process issues. Coach team on architecture issues and support junior developers on OO design. Model Corba services.
Senior Consultant at Air Traffic Control / Innovation Process Technology
January 1, 2004 - December 31, 2004
HCI Consulting Consult in user interaction design. Implement front-end Java Swing GUIs to a database storing European aeronautical data.
Senior Consultant at Logistics Company / Innovation Process Technology
January 1, 2007 - December 31, 2007
Define UI style guides for a suite of Rich Internet Applications.
Senior Consultant at Global Health-Care Company / Innovation Process Technology
January 1, 2008 - December 31, 2008
J2EE web frontend to generic data repository. Collect, define and document requirements using Personas and UML. Model and implement backend Web Services and implement J2EE web frontend. Technologies: UML, J2EE (JSP, EJB, CSS), WSDL, Weblogic Server. Various maintenance projects. Repeatedly fix, enhance, migrate J2EE applications, Web Services and Eclipse RCP applications or plug-ins.
Senior Consultant at Global Health-Care Company / Innovation Process Technology
January 1, 2009 - December 31, 2009
Eclipse RCP plugins to retrieve data through secured Web Services. Collect requirements and implement plugins to IDBS e-WorkBook API (Eclipse RCP extensions) to retrieve inventory data on chemical compounds through secured Web Services.
Senior Consultant at Global Health-Care Company / Innovation Process Technology
January 1, 2010 - December 31, 2010
Database frontend to query, analyse and visualise biological experiment results. Collect requirements through close contact with user representatives. Implement a GUI using the Eclipse RCP framework. Define UI style guides.
Senior Consultant at Global Health-Care Company / Innovation Process Technology
January 1, 2011 - December 31, 2011
Integration of TIBCO Spotfire with inhouse system through security token propagation and WebService invocation (custom Spotfire extension). Propose and evaluate various integration architectures. Hold workshops with TIBCO consultants. Implement the final solution. Present outcome to developer’s section.
Senior Consultant at Global Health-Care Company / Innovation Process Technology
January 1, 2012 - December 31, 2012
Database frontend to manage large files of omics study data (genomics, proteomics, transcriptomics). Take over existing code and extend it. Support protocols for integration with third-party software (Genomics Viewer). Implement new features using modern J2EE technologies (JPA, JAX-RS, CDI).
Senior Consultant at Global Health-Care Company / Innovation Process Technology
January 1, 2013 - December 31, 2013
iOS Development Coaching to support internal developers in implementing native and hybrid apps for scientific data visualisation. Introduce iOS concepts and frameworks, best practices, demo coding. Support and coach developers in daily implementation (pair programming, reviews).
Lead Engineer at Global Health-Care Company / Innovation Process Technology
January 1, 2014 - December 31, 2014
Protein Identification and Registration. Develop a Single Page App with modern Javascript Technology (AngularJS, Bootstrap, jQuery). Implement the security layer between the UI and Middle-Tier with support for Single Sign-On (Jespa library)
Lead Engineer at Global Health-Care Company / Innovation Process Technology
January 1, 2015 - December 31, 2015
Scientific Publication Tracking System. UI Prototype for upper management audience Coordinate and collaborate with Polish colleagues (near shoring) Deputise for the technical project leader
Lead Engineer at Managed Service Provider / Innovation Process Technology
January 1, 2016 - December 31, 2016
Implementation of ITSM Incident Management with Servicenow
Lead Engineer at Exchange and banking infrastructure organisation / Innovation Process Technology
June 1, 2016 - September 30, 2016
Process digitalization of incident management, UI prototyping and implementation of the back-office portal on Appway in respect to UX guidelines (HTML5, CSS, JavaScript)
Lead Consultant at Union of SMEs / Innovation Process Technology
October 1, 2016 - September 30, 2019
Business Process digitalisation. Self-service portal for electronic salary declaration. Requirements management, agile Scrum development, usability coach (storyboard workshops, paper prototypes, user testing), implemented Servicenow portal for end users and back office, integration of third-party web services (AngularJS, HTML5, CSS, JavaScript, SOAP-Services)
Lead Consultant at Transportation Company / Innovation Process Technology
October 1, 2019 - October 31, 2019
Portal for train driver regulations. Ran storyboard workshop, explained and enforced usability principles, implemented a clickable prototype on Android tablet (Marvel, Sketch, Pixelmator)
Lead Consultant at Swiss electricity producer / Innovation Process Technology
June 1, 2017 - February 28, 2019
Process digitisation for a Swiss electricity producer (2017 -2019) Proof of Concept and agile Scrum development, UI prototyping and implementation, Servicenow portal for end users and back office (AngularJS, HTML5, CSS, JavaScript)
Lead Consultant at Major Swiss Insurance Company / Innovation Process Technology
March 1, 2019 - December 31, 2019
Digitalisation of back-office processes, Business Process Modeling and implementation (Appway), Integration of SOAP Webservices, Scaled Agile Framework.
Software and Solution Architect at Wanzl / Beezital
March 1, 2020 - March 31, 2020
Internal product configuration portal for logistics order picking, transportation and warehousing manufacturer. Specification workshops, storyboard and prototype. Adapted and developed WordPress and WooCommerce plugins. Wordpress Development, WooCommerce plugins
Senior Technical Consultant at Bureau des méters / Beezital
May 1, 2020 - May 31, 2020
Consulted and supported the migration of Servicenow instances. Copied 500K records, decoupled instances, reverse proxy and custom domain setup, SOAP certificates management. ServiceNow, reverse proxy, custom domain setup, SOAP certificates management
Software and Cloud Architect at Beezicarte / Beezital
June 1, 2020 - Present
https://www.beezicarte.fr/ Architected and implemented a cloud native SaaS web app for restaurants to easily convert paper menus into their digital version accessible through a QR Code. Angular, Node.js, Docker, MongoDB, auth0, JSON Web Token (JWT), REST APIs, Amazon Web Services (AWS), Azure, Firebase, Google Cloud Run
Software and Cloud Architect at FehrAdvice / Beezital
September 1, 2020 - Present
https://fehradvice.com/innovation-engine/ Architected and implemented a SaaS to design and run behavioural economics experiments. Developed an SDK for iOS and Android to integrate the service into native mobile apps. UI/UX design. Full Stack. iOS Swift, Android Kotlin, Angular, Node.js, Typescript, Web Components, Stencil.js, Google Analytics, MongoDB, Google Cloud Functions, REST APIs, Firebase, UI/UX
Software and Cloud Architect at FehrAdvice / Beezital
January 1, 2025 - March 31, 2025
Agentic AI prototype Using LangGraph, iteratively refine Internet searches and evaluate PDF analysis by different LLMs. Python, LangGraph, LangChain. Reflection, tool use, multi-agent patterns.
Chief Technology Officer at MTS-Muscle tracking system AG
July 1, 2022 - Present
https://movesmart.golf/ Developed an iOS native app to help golfers prevent injuries and improve their swing by measuring their muscle activation with wireless surface electromyography sensors. iOS Development, SwiftUI, Node.js, REST APIs, Terraform

Education

Master of Science in Computer Science at Université Louis Pasteur, Strasbourg, France
September 1, 1989 - August 31, 1995

Qualifications

Certified ScrumMaster
January 1, 2008 - January 1, 2008
Servicenow Certified Application Developer
January 1, 2016 - January 1, 2016
Certified Servicenow Service Portal Advanced
August 18, 2025 - August 18, 2025
Certified System Administrator
August 18, 2025 - August 18, 2025
Certified System Administrator
January 1, 2015 - January 1, 2015
Google Certified Professional Cloud Architect
July 1, 2024 - July 31, 2026
www.credly.com/badges

Industry Experience

Financial Services, Transportation & Logistics, Software & Internet, Energy & Utilities, Retail, Healthcare, Professional Services, Education, Manufacturing