Technology and Engineering

Join the tech team

From using deep learning models to forecast future orders to a fully automated warehouse: Picnic’s tech team is at the core of it all. You’ll join a truly unique and groundbreaking operation since we’re the only supermarket in the world that’s built everything from the ground up. Up for the challenge?

Tech at Picnic

At Picnic we merge advanced technology with a customer-centric approach. We aim to create a simple, affordable, and enjoyable grocery shopping experience. Work on various aspects like our mobile app, store backend, internal development platforms, delivery routing, warehouse logistics, and ML models – all built in-house.

We’re looking for problem-solvers who thrive in a collaborative environment. We are open to junior and experienced software, data and ML engineers. Our diverse team welcomes innovative and bold ideas.

“At Picnic, we build the technology that powers the transition towards a sustainable food supply chain where we delight customers with more choice, fresher products, and less waste. The team behind this innovation loves to crack hard problems, uses data to explore unbeaten paths, and strives to stay ahead of the curve in this fast-paced industry.”

– Daniel Gebler, CTO

Blog posts

Learnings, insights, and musings from our employees

Developing a Java plugin that automatically fixes code

Written by Rick Ossendrijver

Faster Features, Happier Customers: Introducing The Platform That Transformed Our Grocery App

Written by Lars Lockefeer

Solving the most complex task of grocery shopping — meal planning

Written by Leslie Man

Hill-climbing towards good plannings with TimeFold

Written by Daan Goslinga

How tech-driven workforce planning brings better-balanced outcomes for everyone

Written by Toon Borren

Applying continuous integration to infrastructure @ Picnic

Written by Saul Ivan Rivas Vega

Relocating for a new life in the Netherlands with Picnic

Written by Abhilash Narayana

The Hidden Complexity of Online Supermarket Payments

Written by Stan Hennekes

Leading the Way: A journey from the first delivery driver on the road

Written by Jeroen Boumeester

Improving Maven build times

Written by Oksana Evseeva

Harnessing the power of meaningful conversations: Picnic x Workleap Officevibe

Written by stefanievanvelthoven

Cultivating change - Picnic's Food Forest

Written by Sofia Cassuti

Automating large-scale refactorings with Error Prone

Written by Rick Ossendrijver

Open-sourcing dbt-score: lint model metadata with ease!

Written by Jochem Mathijs van Dooren

Driving change: how the supermarket on wheels reduces environmental impact

Written by Anna Krotova

How we broke customer support language barriers without breaking production

Written by Carlos Arcenas

Mental well-being for all - how we OpenUp

Written by Lezaan Schoenmakers

Enhancing Search Retrieval with Large Language Models (LLMs)

Written by Maarten Sukel

Under the hood of Picnic's demand forecasting model: A Deep Dive into the Temporal Fusion Transformer

Written by Daniela Solis

YAML developers and the declarative data platforms

Written by Matthieu Caneill

Python @ Picnic

Written by Sven Arends

How Picnic uses Slack to revolutionise the world of online groceries

Written by Pepijn van Aken

From Cloud-native to Hybrid and back again: Picnic’s on-premises computing journey

Written by Tyko Kieskamp

Picnic's review of 2023: the year of AI

Written by Jelmer Borst

Solving the weekly menu puzzle: recommendations at Picnic

Written by Giorga Tandoi

Generating your shopping list with AI: recommendations at Picnic

Written by Thijs Sluijter

2023 in a nutshell —ride along!

Written by Paulo Geusau

Running demand forecasting machine learning models at scale

Written by Maarten Sukel

Meet the Trainers of Picnic's Tech Academy

Written by Sander Mak

Picnic’s migration to Datadog Pavel Storozhenko

Written by PavelStorozhenko and HarkeetBajaj

The Art of Master Data Management at Picnic

Written by Hidde Schwietert

Creating an Engaging Security Awareness Program

Written by Ali Abdollahi

The tech team behind the most customer-friendly supermarket

Written by Ilonka Cornelissen

Using Transformers to Cut Waste and Put Smiles on Our Customers' Faces!

Written by Maarten Sukel

Adding Automatic Logout to Angular Applications

Written by Luis Enrique Acedo Herrera

Why Using GPT May Not Be the Best Option for Customer Feedback Classification

Written by Maarten Sukel

Using Change Data Capture for Warehouse Analytics

Written by David Mischke

How to find dead code in your Java services

Written by Pieter Dirk Soels

The Journey to Product Ownership

Written by Jarmila Kaiser

Replicating a multi-million Euro automated warehouse in Python

Written by Dylan Goldsborough

How we built the supply chain Matrix

Written by Manuel Lombardero

How we got robots to do your groceries

Written by Manuel Lombardero

Deploying Data Pipelines using the Saga pattern

Written by Shibi Ramachandran

Bye Travis CI, hi TeamCity!

Written by Ivan Babiankou

Making our apps festive with Christmas decorations

Written by Tyko Kieskamp

Why Picnic picked Java

Written by Sander Mak

Transitioning from aiohttp to FastAPI

Written by Dylan Goldsborough

Picnic Open-sources Error Prone Support

Written by Sander Mak

Picnic loves Error Prone: producing high-quality and consistent Java code

Written by Rick Ossendrijver

MLOps Principles to build Picnic’s Data Science Platform

Written by Tom Steenbergen

Internal services pipeline in Analytics Platform

Written by Dima Kalashnikov

Q&A Picnic Data Engineering Series

Written by Iliana Iankoulova

Adopting SFDX for Salesforce Deployments

Written by Bhushan Puri

Picnic’s Tech Academy Through the Eyes of Recent Graduates

Written by Ryan Whitmore

Shaping a Full-Fledge Procedure by Streaming Salesforce Exception Emails

Written by nyrandonenoboud

Making it All Work: Picnic’s QA Engineers

Written by Ryan Whitmore

Turning Shadow IT Into Sunshine IT

Written by Max van Rest

A Snapshot of Our Tech Recruitment Team

Written by Ryan Whitmore

Creating a Rule Engine for Real-Time Action Automation

Written by Frans Bookholt

Introducing the Picnic Sneakernet

Written by Matthieu Caneill

Vendor Selection: From Tech Radar to Tech Stack

Written by Tyko Kieskamp

7 Antifragile Principles for a Successful Data Warehouse

Written by Iliana Iankoulova

ETags: Saving Bandwidth 1Kb at a Time

Written by Joao Nogueira

Supporting Developers’ Growth With Salesforce Certifications

Written by Bhushan Puri

Getting People to Love Queues With Java, Python, and JavaScript

Written by Anastasiia Nykolaichuk

Picnic Analytics Platform: Migration from AWS Kinesis to Confluent Cloud

Written by Dima Kalashnikov

Spreading Christmas Cheer at Picnic: Decorating Our Apps During the Holiday Season

Written by Simon Baars

M1 Pro MacBooks: Building a Tech Foundation

Written by Philip Leonard

Scaling Cyber Security Awareness

Written by Nuray Akdemir

Tech Radar on Event Streaming Platforms

Written by Dima Kalashnikov

Picnic's Service Coach: Building Data-Driven Tech to Enhance the Delivery Experience

Written by Richard van der Byl

Embracing Java 17: Here’s What We Learned

Written by Sander Mak

Using State Machines in Front-End Development

Written by Danielle Richter

The Milkman Van of the 21st Century

Written by Joris Wolters

Picnic’s data archiving strategy in Salesforce

Written by Gonçalo Moreira

Quest to the OS: Java Native Memory

Written by Geert Konijnendijk

Why you should make leaders of your team

Written by Katherin Schuppener

Scaling Business Intelligence with Python and Snowflake

Written by Iliana Iankoulova

Accelerating Developer Growth with the Picnic Tech Academy

Written by Phil Werli

Becoming a multiplier: on our Java developer platform

Written by Nathan Kooij

Picnic Tech Radars

Written by Philip Leonard

Building a Scalable Caching Platform

Written by Dylan Goldsborough

How we built our Lakeless Data Warehouse

Written by Iliana Iankoulova

Payments @ Picnic

Written by Jelmer Borst

Building a distributed ETL pipeline for a monolithic data warehouse

Written by Matthieu Caneill

Tracking events inside React(-Native) applications using HOCs

Written by Elias el Khaldi

Data vault: new weaponry in your data science toolkit

Written by Bas Vlaming

Leveraging domain sponsorship to organize product teams at scale

Written by Jakob Löhnertz

Reinventing the QA process

Written by Julia Zarechneva

Code in Unix while using Windows

Written by Seleme Topuz

Rebuilding the team spirit with Discord

Written by Jakob Löhnertz

Brownfield React Native development at Picnic

Written by Lucas Twisk

Remote onboarding at Picnic

Written by Willem Evers

It’s in our DNA: Solving logistics problems using Genetic Algorithms

Written by Geert Konijnendijk

Staying Ahead Of The Competition With Executable Specifications

Written by Simeon van der Steen

Data Engineer’s Role in the Future of Groceries

Written by Iliana Iankoulova

Picnic’s Lakeless Data Warehouse

Written by Iliana Iankoulova

A Microservice Success Story

Written by Ernir Þorsteinsson

Data Science As a Product

Written by Tad Slaff

Picnic plays it cool: a data-driven cold chain for groceries

Written by Floris Boekema

Computational Logistics at Picnic

Written by Regan Koopmans

Behavior driven UI test automation with Selenium

Written by Simeon van der Steen

Monitoring and Observability at Picnic

Written by Philip Leonard

Scaling Picnic systems in Corona times

Written by Sander Mak

Programming a Safer Drive

Written by Ernir Þorsteinsson

Cryptocurrency Incentivised Code Reviewing, Open Sourced.

Written by Philip Leonard

Incident Management at Picnic

Written by Steven van de Ridder

Localizing native apps made easy with Localicious!

Written by Lars Lockefeer

Hitchhiker’s Guide to HashiCorp Vault in Kubernetes Part 1: System integration

Written by Anh Đạt

(Consistent) App Analytics with Snowplow

Written by Dimitar Nedev

Optimal drop times using machine learning

Written by Tom Steenbergen

Making the Best Warehouse Management System One Flow at a Time

Written by Csaba Juhász

Picnic ❤️ Open-source (2020 update)

Written by Arturs Drozdovs

Bringing knowledge to the lunch table

Written by Robert Carosi

Company-wide Spring 5 migration head on

Written by Nathan Kooij

Leveraging domain sponsorship to organize product teams at scale

Written by Jakob Löhnertz

Micrometer and the Modern Observability Stack

Written by Philip Leonard

Events

Interested in the latest technologies, sharing your passion, or just looking for some drinks, food, and good company?

Tech jobs at Picnic