Do you want to apply your expertise to technology that really makes an impact? Help build our Smart Shipment Router (SSR) platform and ensure that millions of parcels find their way smoothly and smartly every day!
Why choose PostNL as your next step as a Senior Mendix Developer?
Mission-critical technology: You will work on a platform that processes millions of parcels every day, ensuring efficient and scalable logistics.
Innovative environment: Work with the latest Mendix technologies, including machine learning integrations, in-memory data modelling, and zero-downtime releases.
Impactfull projects: Collaborate on projects such as sorting time forecasting, international integrations and parcel machine reservation systems.
Teamwork: Be part of an enthusiastic Scrum team and collaborate with other teams within our logistics chain.
Flexibility & Personal growth: Work partly from home and partly at our modern office in The Hague. Keep learning through training courses and the PostNL Academy.
This is your role:
As a Senior Mendix Developer, you will build and improve our Smart Shipment Router (SSR) platform. This system ensures that millions of parcels move quickly and smartly from sender to recipient every day. You translate complex logistics issues into innovative IT solutions that directly improve our operations. Examples include a machine learning model that predicts sorting times up to six days ahead or a system for integrating international shipments. This helps planners and customers work more reliably and prepares our logistics chain for the future.
You work in a Scrum team and design, build and optimise Mendix applications. You also experiment with new technologies, such as the Machine Learning Kit and AWS Event Brokers, and supervise large projects such as the renewal of our architecture. Within your team, you share knowledge and experiences with colleagues, so that you continue to grow as a team. Within PostNL, you work together with teams in the logistics chain, such as Chain Management and Strategy. Your role is indispensable for our joint success!
Your colleagues:
You will be part of a professional Scrum team with three Mendix developers, a Product Owner, two IT consultants and a Scrum Master. Our SSR platform combines Mendix and AWS, which gives plenty of opportunities to innovate. You work an average of two days a week at the office in The Hague. There, you will think about smart solutions with colleagues and enjoy cosy lunches.
What we deliver for you:
A role filled with innovation and work you’ll see reflected on every street in the Netherlands. At PostNL, we strive to grow into the logistics e-commerce platform of the future. Together, your drive and our ambition will create smarter, faster, and better ways to deliver special moments. You can also count on an excellent benefits package.
The top benefits of your role:
- A salary between €4.453,- and €7.338,- gross per month (scale 11-12).
- 8% holiday allowance and 25 vacation days (based on full-time).
- Hybrid working with a home-working allowance.
- A solid pension plan through the PostNL pension fund.
- Access to internal training programs and growth opportunities within the Mendix community.
- Discounts on sports, electronics, holidays, and more.
What you bring:
You are passionate about Mendix technology and inspire others with your expertise. As a natural team player, you know how to translate complex problems into practical IT solutions.
In addition, you bring:
- A bachelor’s or master’s degree in IT, engineering, or a related field.
- Mendix expertise at certification level (Advanced or Expert) or equivalent work experience.
- At least 5 years of experience in a similar role within IT, technology, or an innovative environment.
Join us at PostNL and make a difference in the future of logistics!
Key Skills
Ranked by relevance
Related Jobs
3 roles aligned with this opportunity
Medior Data Scientist CBS
2026-03-23
Senior Backend Engineer (.NET / C#)
2026-05-25
Senior Lead Software Engineer
2026-02-19
- Posted
- May 26, 2025
- Type
- Full-time
- Level
- Mid-Senior
- Location
- The Hague
- Company
- PostNL
Industries
Categories
Related Jobs
3 roles aligned with this opportunity
Medior Data Scientist CBS
2026-03-23
Senior Backend Engineer (.NET / C#)
2026-05-25
Senior Lead Software Engineer
2026-02-19