Sr Mendix Engineer - Team COD
Datum: 17 feb. 2026
Plaats: Den Haag, ZH, NL, 2521 CA
Bedrijf: PostNL
Why join us as a Mendix Developer
Visible work: You contribute directly to the digitalisation of our logistics chain. Your applications help us compare parcel volume forecasts with capacity across multiple scenarios.
Challenge: You work with Mendix, AWS Serverless and Vue to build modern and scalable applications.
Good atmosphere: You join a collaborative DevOps team where people help each other grow.
Flexibility: You work partly from home and partly from our office next to Den Haag HS station.
Development opportunities: You can follow training through our internal learning platforms and join our active Mendix community.
Your role
As a Mendix Developer, you work in our Commercial Operational Demand team. You build applications that support our Sales & Operations Planning process. These applications help us compare expected parcel volumes with the capacity needed to deliver them. We want to grow this domain in the coming years by improving our forecasting and decision‑making processes. You play an important role in shaping this shared technical vision.
You develop and improve several Mendix applications connected to multiple AWS data sources. You design smart solutions and help translate user needs into intuitive features that support reliable planning.
Your colleagues
You join a multidisciplinary DevOps Scrum team of six colleagues: three Mendix Developers, a Platform Owner, a Solution Consultant and an AWS/Lead Engineer. You also work closely with a process information analyst, a UX designer and several AWS and Vue developers. The team is young, informal and eager to innovate. We share knowledge actively and are part of a wider internal Mendix Community that organises events and workshops.
What we’ll deliver
An innovative role where your work literally reaches every street in the country. We aim to grow into the e‑commerce logistics platform of the future. Your mindset and our ambition are a great match. You can count on excellent benefits:
Salary between €4,091 and €6,599 gross per month based on a 37‑hour week.
Hybrid working and flexible hours. If you work from home more than two days a week, you receive a €45 net monthly allowance.
8% holiday allowance and 25 vacation days (full‑time).
Travel allowance for commuting.
A good pension plan through our pension fund.
Laptop and phone.
Training and development opportunities through our Academy.
What you bring to the job
You enjoy looking at the bigger picture and creating high‑quality applications with your colleagues. You like understanding and analysing processes and turning insights into clear solutions.
You also have the following qualities:
A higher vocational or university degree.
A Mendix Advanced Level certificate or at least two years of Mendix experience in a complex environment.
Experience working in a Scrum team.
A critical and conceptual mindset to translate user needs into the right solutions.