Senior Back End Developer (Python) has recently Sep 2016 secured Series A funding, we are a fast growing Retail Technology company founded in 2012..

We work with high profile large UK retailers including: Argos, Booths, Cycle Republic, Debenhams, Fred Perry, French Connection, Halfords, Jack Wills, Jaeger and Monsoon Accessorize amongst others. is expanding at an astronomic rate as it looks to obtain further market penetration in the UK and expand into Europe & USA.

Working environment:
We’re a team of 14 and soon to be 22 staff, located in an amazing location close to Lamb Conduit Street in Bloomsbury WC1. By joining us you will be part of a hyper growth well-funded scale up. We have a flexi work hours and of course table tennis in the office and onsite online gaming tournaments.

Senior Back End Developer

As our first dedicated Senior Python Developer you will be responsible for the development of all server-side logic, ensuring high performance and responsiveness to all incoming requests.

You will help drive our Back End Engineering development strategy from day one, reporting to the CTO.

You will also be responsible for integrating the front-end elements built by your co-workers into the application; therefore, a basic understanding of front-end technologies is required too.

In addition you will assist in the deployment and architecture of the solution.

The Candidate

  • This is a position that allows individuals to create and deliver innovative products. This candidate must work well within a small team but the responsibilities will be clear and defined.
  • Interested in complex backend development
  • Interest in a startup environment, dynamic and fast moving
  • Works well within an Agile methodology
Role Responsibilities

  • Design and implementation of low-latency, high-availability, and performant applications and services
  • Writing reusable, testable, and efficient code
  • Implementation of security and data protection
  • Integration of user-facing elements developed by front-end developers with server side logic
  • Monitoring and performance
  • Peer review


  • Expert in Python
  • Familiarity with some ORM (Object Relational Mapper) libraries (SQLAlchemy)
  • Able to integrate multiple data sources and databases into one system
  • Knowledge of user authentication and authorisation between multiple systems, servers, and environments
  • Understanding of fundamental design principles behind a scalable application
  • Familiarity with event-driven programming in Python
  • Able to create database schemas that represent and support business processes
  • Strong unit test and debugging skills
  • Proficient understanding of code versioning tools (Git)
  • Proficient in server architecture (Virtualised Debian)

Database Types

  • MongoDB
  • MySQL
  • Influx DB


We are moving away from Django technology
There are future opportunities for the new Developer to learn Data Analytics (Hadoop, R, etc)

In your application, please include your CV, We offer a competitive salary and potential options package, commensurate with your experience. Please email your CV to [email protected]

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