Sr Mendix Engineer - Team COD

Geplaatst op 17 februari 2026

Voor de rol van Sr Mendix Engineer - Team COD bij PostNL help je het Sales & Operations Planning proces te verbeteren met slimme applicaties die gekoppeld zijn aan AWS-databronnen.

Daarom kies je voor PostNL

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.

Dit is jouw rol

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.

Jouw collega's

As a Mendix Developer, you work in our Commercial Operational Demand team. 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.

Hier kom je terecht

Wij zijn PostNL. En samen met jou blijven we de favoriete bezorger. Dagelijks maken we 1,2 miljoen mensen blij met het bezorgen van bijzondere momenten. Dat kunnen we alleen dankzij jou en ons team mogelijk maken.

Dit bezorgen we jou

An innovative position and work that affects literally every street in the country. PostNL wants to be the logistics e-commerce platform of the future, delivering special moments faster, smarter and better. With your mindset, you can help PostNL face its challenges head on:

• Salary between €4.091 and €6.500 gross per month at 37 hours per week. But 32 hours is possible too! That translates to an annual salary of €84,240, including vacation pay.
• Hybrid working is encouraged and you’ll have flexible working hours. After all, your work-life balance matters to us. Employees who work from home more than two days a week get an allowance of €45 net per month.
• 8% vacation pay and 25 vacation days on a full-time contract
• Engineering Laptop (Mac or Windows and a phone.
• Training opportunities for personal development through Mijn Leerplein.
• Travel allowance for commuting from 6 km each way up to a maximum of 70 km each way.
• An NS Business Card for business travel and commuting.
• A good pension plan through the PostNL pension fund.
• Discounts on holidays, events and products.

Dit breng je mee

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 level thinking
• A Mendix Advanced Level certificate and at least 4 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.

Nog wat laatste post ...

• We perform a background check for all applicants, including a certificate of good conduct.
• Because we believe in equal opportunities, you may complete an assessment related to the role.
• We recruit our own colleagues, so messages from agencies will be returned to sender.