Posts by

Tom Cohen

I'm CTO and co-founder at Popsa.

Backend Engineer

May 03, 2021

Popsa is the UK's 3rd fastest growing tech company. We help people rediscover the meaningful experiences hidden in their photo libraries.

Engineering Manager

April 18, 2021

This is a once-in-a-career job opportunity to have a lasting impact on a high-performance, positive and caring team.

Mobile 3D Engineer

April 14, 2021

Join Popsa as a 3D or Unity Engineer and help build the next generation of immersive mobile experiences in the UK's fastest growing software startup.

Mobile Machine Learning Engineer

April 09, 2021

Join our team as a mobile engineer and create the latest generation of ML-powered features across our native iOS and Android apps.

Our Tech Stack in 2021

February 03, 2021

Check out Popsa's backend and data science tech stack (hosted on AWS) as well as the tooling we use for Android, iOS and dev-ops.

Our new delivery notifications ensure Popsa customers always have the latest information

June 09, 2020

“Where’s my photobo… oh there it is.” No more wondering how long your delivery will be; we’ve added push notifications to every order with tracked shipping.

Made a mistake? Our 1-hour grace period lets you edit your order, even after it's placed!

March 03, 2020

Have you ever finished an order, checked out and then… gah! Spotted a spelling mistake? Our 1-hour grace period on all new orders is here to fix that.

Popsa's new checkout process makes it easy to purchase multiple products at once

November 09, 2019

With our new basket feature, you can order multiple books with one flat delivery charge. Clever little app.

Our Tech Stack in 2019

January 14, 2019

We've updated this page, see Our Technology Stack....

How we optimised our API to reduce network overhead by up to 70%

April 12, 2018

Possibly the most fundamental improvement we have made to our networking stack so far is the use of Protocol Buffers.

Platform Engineer

March 02, 2018

This position is a great opportunity for experienced software engineers with a background in the likes of Go, Python, PHP or Node.js

iOS Development at Popsa

January 14, 2018

In 2016 we launched an iOS app to test whether customers would respond well to automation. It turns out they do! In fact, that minimal viable...