Back End Developer

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Back End Developer

You develop algorithm's and design architecture for planning and mobility optimisation

FULL-TIME · DELFT

Join us in our mission to turn the growing congestion issues that come with fast paced urbanisation into a sustainable and economic opportunity.

Company and customers

Always wondered if the delivery of packets at home can be improved? Always wondered if the delivery of packets at home can be improved? As a Planning Service Provider we enable companies and organizations to dynamically plan the distribution of goods in the most efficient way possible.

We do this for customers in the pick-up and delivery sector in the Benelux and are expanding rapidly across the world. To make it very simple, we help them deal with the increasing amount of online orders and demanding customers who want their purchases delivered within a day, at a specific time slot and location…and even change it last minute.

Team and product

Our team of passionate and super smart ex-rocket Scientists, optimization Algorithm Engineers, Data Engineers, Developers, Testers and Designers solve complex mobility challenges by shaping the new standard for planning. At the core of our planning services are our dynamic planning algorithms, predictive models using huge amounts of static planning data and real time routing data. All is delivered via an API, so logistic companies across the world can easily integrate and configure it to meet their planning needs.

Our workplace

We work in an inspiring open office in Delft, nearby the city centre. Our open and ambitious culture is endorsed by several aspects that we have incorporated in our work habits, like:

  • Daily healthy lunch with the team
  • Weekly team meetings
  • Monthly team meeting with input from all teams
  • Quarterly team building activities or outings
  • Regular afterwork drinks and activities
  • Office masseuse
  • Yoga class

Your mission

We are looking for a Back End Developer who can supplement our team by unravelling huge data sets, designing the architecture, implementing the latest cutting edge technologies and guarding long term technical goals, so he or she can contribute to our ultimate goal: making lives easier by (un)planning the future. You will be joining the Tech team, working closely with your team members. Together you're enabling the company to amaze the world with a business changing platform.

Key Responsibilities

What does that mean and what is expected of you? Well, we are looking for someone who:

  • designs architecture and develop complex solutions
  • defines REST API's
  • translates requirements from design team to functional solutions
  • interacts with our multidisciplinary team existing of Developers, Service Designers, Product Owners and Project Managers
  • reviews, designs and implements work by your colleague Developers

Experience and knowledge

  • Programming experience in Python, experience in other languages is a bonus
  • Experience with REST API's and microservices in a complex environment
  • Understanding of different storage systems such as RDBMS or NoSQL
  • Relevant experience with designing microservice based software
  • Familiarity with Django, Docker, PostGIS and Github
  • You are a problem solver by nature and and are determined to find solutions
  • Self-starter and capable of managing your own work
  • Strong verbal and written communication skills in English (the universal language of C42 is English)


We are only interested in individual applications, recruitment agencies need not contact us concerning this vacancy.