Samantha Oosterling-maas

Mendix developer

Avatar placeholder
Almere, Netherlands

Experience

Jan 2023 - Dec 2025
3 years

Mendix developer

FMO Bank

  • Developed the Capturing Financial Covenant (CFC) application in Mendix, enabling covenant registration, actuals tracking, and automated breach detection.
  • Automated task flows using Camunda for streamlined covenant management.
  • Set up Early Warning Signals integrated with REACT for proactive breach handling.
  • Supported complex financial domains including Guarantee Products, KYC/KYS, Treasury, Risk Management, Payment Processing, and Regulatory Reporting.
  • Handled API development and integrations, ensuring quality through Azure DevOps pipelines and story reviews.
  • Applied TMAP-based principles in functional and regression testing, including edge-case analysis.
  • Monitored application health and logging across components (API Management, Camunda, CFC) using Grafana dashboards in collaboration with the DevOps team.
  • Followed an Agile/DevOps approach with strong focus on performance, security, and compliance.
Jan 2022 - Dec 2023
2 years

Mendix developer

Goudse Verzekeringen

  • Further developed the Beheer Mijn Personeel environment, enhancing functionality and user experience.
  • Developed the Premie Vaststelling application to streamline premium calculation processes, ensuring accuracy and compliance.
  • Upgraded six existing Mendix applications to Mendix 9, incorporating the Living Style Guide with the MAUI framework for a consistent and modern user interface.
  • Monitored application behavior and troubleshot issues effectively using Grafana dashboards across several Mendix environments.
  • Contributed to improved application performance, better user adoption, and a unified, scalable design system across the organization’s Mendix ecosystem.
Jan 2019 - Dec 2023
5 years

Mendix developer

Alliander

  • Contributed to the development of three Mendix portals integrated with SAP for contractor management and internal operations.
  • Built a Contractor Portal for external contractors to view cases and upload revision documents within deadlines.
  • Developed an Employee Portal for internal teams to monitor contractor cases, provide feedback, and maintain oversight.
  • Implemented an intermediate Case Management Data Layer to ensure seamless data synchronization between portals and SAP.
  • Developed a dynamic quotation tool with a guided wizard interface for faster processing and improved data accuracy.
  • Aligned solutions with Alliander’s strategy of achieving twice the speed and double the customer satisfaction.
Jan 2018 - Dec 2018
1 year

Mendix developer

ANWB

  • Developed a Mendix application to ensure continuity of the caravankoopwijzer.nl platform after external supplier contract expiration.
  • Collected and refined requirements, ensuring the new application met internal stakeholders’ and end-users’ needs.
  • Developed and tested functionalities using SCRUM/Agile methodology with a focus on reliability and user experience.
  • Designed and implemented APIs to securely migrate existing data to the new Mendix application, preserving valuable information.
  • Coached and trained two ANWB employees in Mendix development to maintain and extend the application.
  • Conducted regular demos for end-users, gathering feedback for continuous improvement.
  • Empowered the team with in-house Mendix expertise while ensuring data continuity.
Jan 2018 - Dec 2018
1 year

Mendix developer

Radiuz

  • Redeveloped the Radiuz mobility platform, providing employees with a single mobility card for fuel and public transport.
  • Collected and refined requirements with stakeholders to meet user needs and business objectives.
  • Prioritized user stories and defined clear acceptance criteria to align development goals with expectations.
  • Created detailed process flows to map application functionality and user interactions.
  • Developed and rigorously tested the application in Mendix, ensuring security, user-friendliness, and scalability.
  • Modernized the existing platform to improve user experience and operational efficiency for employees and administrators.
Jan 2015 - Dec 2015
1 year

Ruby on Rails developer

Yarden

  • Developed and tested functionalities for a native funeral wishes application using Backbone and Ruby on Rails.
  • Enabled customers to record and manage their funeral wishes, providing clarity and peace of mind for next of kin.
  • Rapidly acquired knowledge of the existing application to ensure smooth development and support.
  • Followed SCRUM/Agile methodology for iterative development and delivery.

Summary

Certified Mendix Expert Developer with almost a decade of experience designing, developing, and optimizing scalable Mendix applications across diverse industries, including finance, insurance, energy, and logistics. Demonstrated expertise in low-code development, secure API design, workflow automation with Camunda, and cloud integration. Proven ability to collaborate effectively with cross-functional teams, ensuring the delivery of user-centric, compliant, and high-performance solutions. Known as highly skilled in Agile SCRUM methodologies, REST API development, and secure data management.

Skills

  • Mendix
  • Rest Api
  • Camunda
  • Front End

Languages

Dutch
Native
English
Advanced

Certifications & licenses

Mendix Advanced Certificate

Mendix

Mendix Expert Certificate

Mendix

Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Similar Freelancers

Discover other experts with similar qualifications and experience

Timo Bakenecker
Timo Bakenecker

Freelancer (self-employed)

View Profile
German Popken
German Popken

Microsoft BI Specialist

View Profile
Thomas Hoefkens
Thomas Hoefkens

Senior MLOps, DevOps Engineer

View Profile
Yaroslav Shargorodskiy
Yaroslav Shargorodskiy

Senior Low-Code Consultant

View Profile
Werner Keil
Werner Keil

Test Coordinator, Designer and Engineer

View Profile
Martijn Imrich
Martijn Imrich

Founder and CEO

View Profile
Hüseyin Korkut
Hüseyin Korkut

Senior Full-Stack Engineer

View Profile
Ryan Mori
Ryan Mori

Performance Tester

View Profile
Jens Rehsack
Jens Rehsack

Technical Product Owner

View Profile
Stefan Wimmer
Stefan Wimmer

Architect/Software Developer/Infrastructure

View Profile
Michael König
Michael König

Architect and Full-Stack Developer

View Profile
Rainer Langbehn
Rainer Langbehn

Senior IT Consultant, Senior Software Architect, Senior Software Developer, Senior DevOps Engineer

View Profile
John Hulst
John Hulst

Embedded Software and Systems Engineer / Manager

View Profile
Frank Eppink
Frank Eppink

DevOps

View Profile
Thomas Jarnot
Thomas Jarnot

Backend Developer, DevOps Engineer

View Profile
Achille Chimi
Achille Chimi

Backend/Frontend Developer

View Profile
Paul Webster
Paul Webster

Architecture Consultant (Freelance)

View Profile
Johan Bouduin
Johan Bouduin

(Agile) Coach / Trainer / Software Engineer

View Profile
Bhanu Avula
Bhanu Avula

Freelance Salesforce CRM and Marketing Cloud Expert

View Profile
Eduard Van kleef
Eduard Van kleef

Workshop Leader 'Introduction to AI Development Tools'

View Profile
Kai Schmudlach
Kai Schmudlach

Software Developer

View Profile
Jens Hagemeyer-lee
Jens Hagemeyer-lee

#52 Test Manager in the Field of Safety-Critical Infrastructure

View Profile
Jörg Trappschuh
Jörg Trappschuh

Database Expert and Software Developer

View Profile
Matthias Spiller
Matthias Spiller

Software developer and consultant

View Profile
Taha Holawala
Taha Holawala

Senior Salesforce Developer

View Profile
Jürgen Hertweck
Jürgen Hertweck

iOS App Development (AI-based)

View Profile
Guido Schedlbauer
Guido Schedlbauer

Senior Software Developer

View Profile
Lothar Hinsche
Lothar Hinsche

Solution Manager for PoC investigation and replacement and refinement of an existing cloud and IoT power plant control system

View Profile
Andreas Adam
Andreas Adam

IT-Application Manager

View Profile
Oleg Orlov
Oleg Orlov

Senior Software Developer C#, ASP.NET Core (.NET 6–9)

View Profile