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Matt Wallaert
Matt Wallaert
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Software Thesis Internship, Amsterdam



Amsterdam, Netherlands
Posted on Friday, February 18, 2022

At Picnic, we’re revolutionizing the way people buy groceries with our innovative and sustainable app-only service. We do almost everything in-house, developing cutting-edge technologies and processes to ensure we continue to grow rapidly without missing a beat. If you’re a passionate Computer Science (or related) student, we’re offering you the opportunity to join the diverse team at our Amsterdam HQ, and make a real difference in our scaleup environment.  

🥜 In a nutshell 

Picnic is constantly evolving, but developers are always at the core of what we do. In growing at such a rapid pace, we’re facing exciting new challenges. This creates a lot of room for your innovative ideas. You’ll dive into complex route planning for millions of orders to micro-optimizing how many bananas we order for which warehouse on a Thursday. 

As an interns, you’ll be part of a dedicated team and will take ownership of your ideas. From day one, you’ll start coordinating your project. You’ll develop the proposal and take complete ownership of the idea. You’ll run the project from initiation to implementation. That means, the more time you have available, the more interesting projects you can take over! We’re proud of our developments and open-source with the community. Check out our latest projects at

🎯 What you’ll do

  • Work in a talented, young, and motivated team
  • Work alongside developers to solve coding challenges
  • Develop a personal project and take ownership of ideas 
  • Evolve, develop, and challenge yourself in an evolving company

💻 Technologies we use 

  • Java 17 (Reactor and Spring 5)
  • ElasticSearch, RabbitMQ, Kinesis
  • Maven and Git
  • PostgreSQL, MongoDB
  • Elastic MapReduce (EMR)
  • AWS, Docker, Kubernetes, Terraform, Vault

Hungry for more? Check out for an overview of our tech stack.

⭐ About you

  • Pursuing a Master’s degree in Computer Science, AI, or related study
  • Mental athleticism: highly analytical and curious intellect
  • Out-of-the-box thinking and initiative: a hands-on, nothing-is-impossible mindset
  • Long-term vision: process-oriented and structured ideas
  • Quick learner: ability to learn on the go
  • Availability: at least 3-6 months for a graduation internship

📖 Picnic perks

Every expert was once a beginner! 

You’ll get plenty of opportunities to challenge yourself and grow, including the Picnic Tech Academy, Lunch & Learn sessions, and tailored soft skills training. We also offer free professional weekly language courses.

Make a difference

You’ll work in an awesome scale-up environment with the freedom to drive your own projects and create a visible impact. 
Our fully electric vehicles and sustainable business model mean you’ll also be contributing to making the world a better place! 

Teamwork makes the dream work

With more than 80 nationalities across 3 countries, you’ll be part of a diverse company with plenty of cool stuff to get involved with, from board game evenings to after-work drinks to our company ski trip and more!

You are what you eat

You’ll get freshly prepared, healthy lunches and snacks (with plenty of vegetarian, vegan, and halal options). Coffee snob? Don’t worry, our amazing Picnic barista has you covered.

Stay healthy 

Mental health is important. As well as having the option to speak with Picnic colleagues who act as confidential advisors, our collaboration with OpenUp gives you easy access to professional psychologists, along with workshops and materials. 

There are plenty of sports communities and events to get involved with, from tennis to yoga to climbing! 

Attractive package

We offer €800 per month gross salary for a full-time internship as well as 12.5 vacation days per six months, so you can recharge your batteries 

Work-life balance

Where possible, we like to enable people to work in ways that suit their working styles, which is why we have a hybrid-working model. Our teams generally like to have at least one team day per week at the office (the tasty lunch and Barista-made coffee may be a factor), but besides that, it’s up to you and your team.


We care about your health and wellbeing. As such, we currently support online interviews and remote onboarding (learn more about the process here).

Commitment to equal opportunities 

Picnic is an equal opportunity employer—this means that all decisions regarding applications will be based on qualifications and merit. Applicants will be regarded independently of age, gender identity or expression, sexual orientation, ethnicity, skin color, civil status, religious beliefs, physical or mental disability, or any other factors protected by law. 

At Picnic, we celebrate and value our differences and are committed to building a safe and inclusive working environment where everyone can be themselves.

Our recruitment process

Phone screening

Home assignment


Assessment day

On Hold