All offersWarszawaPythonSenior Full Stack Python Developer
Senior Full Stack Python Developer

Senior Full Stack Python Developer

Type of work
Employment Type
Operating mode

Tech stack





Job description

Keyloop bridges the gap between dealers, manufacturers, technology suppliers and car buyers.

We empower car dealers and manufacturers to fully embrace digital transformation. How? By creating innovative technology that makes selling cars better for our customers, and buying and owning cars better for theirs.

We use cutting-edge technology to link our clients’ systems, departments and sites. We provide an open technology platform that’s shaping the industry for the future. We use data to help clients become more efficient, increase profitability and give more customers an amazing experience.

Want to be part of it?

Job Summary

Focus on product enhancements and solutions for complex problems and perform a pivotal role in the integration of developed software utilizing user interfaces and data. Engineer sophisticated new solutions for large-scale go-to-market system offerings on an individual team within Keyloop’s product line. Be a subject matter expert in technical leadership, direction, and design, and mentor others whilst fostering collaboration and innovation throughout the Product & Engineering community. 

The Candidate

The successful candidates will bring their knowledge and experience to enhance our dynamic development team, using latest technology to push our extensive range of innovative, industry-leading software platforms into the future. 

The role will have touch points throughout the development cycle from the early stages of design to the final deployment but will be primarily focused on coding system functionality from agreed-upon specifications. This will include bug-fixes and enhancements to existing systems as well as project work, building new systems and modules to extend our product portfolio. 

A high level of ‘attention to detail’ is required, along with personal quality control, strong communication skills, and the ability to perform well in a team. We operate in an Agile development methodology, working in goal-focused sprints, so familiarity of this way of working would be advantageous. 

Ideal candidate will have strong mentoring capabilities allowing him to coach less-experienced team members and will display high level of independence. 

In return, we offer a highly competitive salary, flexible working hours, option of homeworking or from modern, well-equipped office and a great working environment. 

Essential skills and qualifications 

  • Experience with Python 2.7 and 3 (5+ years) 
  • Web frameworks (Django/Flask) and asynchronous queueing mechanisms 
  • Experience with frontend development (React, Design Systems) 
  • Relational databases (MySQL, PostgreSQL) 
  • Experience of unit testing frameworks (pytest, mocking) 
  • Experienced with Linux 
  • Familiarity with Amazon Web Services (EC2, S3, RDS) 
  • Experience with CI/CD (GitHub Actions), including Jenkins 
  • Experience with monitoring and alerting (New Relic, Sentry) 
  • Ability to take ownership 
  • Fluent in English 

Those will be a plus 

  • Base-line NoSQL databases (MongoDB) 
  • Experience leading a development team 
  • Ability to optimize SQL queries for big workloads 
  • Familiarity with Agile methodologies 

Why join us?

We’re on a journey to become market leaders in our space – and with that comes some incredible opportunities. Collaborate and learn from industry experts from all over the globe. Work with game-changing products and services. Get the training and support you need to try new things, adapt to quick changes and explore different paths. Join Keyloop and progress your career, your way.


An inclusive environment to thrive

We’re committed to fostering an inclusive work environment. One that respects all dimensions of diversity. We promote an inclusive culture within our business, and we celebrate different employees and lifestyles – not just on key days, but every day.


Be rewarded for your efforts

We believe people should be paid based on their performance so our pay and benefits reflect this and are designed to attract the very best talent. We encourage everyone in our organisation to explore opportunities which enable them to grow their career through investment in their development but equally by working in a culture which fosters support and unbridled collaboration.