Principal Python Engineer

Principal Python Engineer

Full-Time 80000 - 100000 Β£ / year (est.) No working from home possible
Signify Technology

At a Glance

  • Tasks: Lead complex engineering projects and mentor engineers across Europe and the US.
  • Company: Join Europe's largest equities exchange with a focus on innovation.
  • Benefits: Competitive salary, private medical, 25-30 days holiday, and daily complimentary lunch.
  • Other info: Dynamic team environment with opportunities for professional growth and development.
  • Why this job: Make a real impact in financial markets while working with cutting-edge technology.
  • Qualifications: Principal Python engineer with strong leadership skills and a passion for code quality.

The predicted salary is between 80000 - 100000 Β£ per year.

We are working exclusively with one of the world's largest exchange operators on a Principal Python Engineer hire in London. This is a senior individual contributor role within a small, highly skilled engineering team building and expanding the data pipeline and event streaming infrastructure that powers the largest equities exchange in Europe.

The Role

You will lead complex engineering projects end to end, working closely with business development and sales teams to deliver new products and features, and mentoring engineers across Europe and the US. The team takes software craftsmanship seriously β€” testable, maintainable code, pair programming and TDD are core to how they work.

Tech Stack

  • Expert Python
  • Advanced SQL
  • Deep Linux knowledge
  • PostgreSQL
  • Snowflake
  • Apache Kafka
  • Apache Airflow
  • Django, Flask or FastAPI
  • TDD, BDD, pair programming
  • Java familiarity a plus

What They Are Looking For

  • Principal or Staff level Python engineer with strong leadership skills
  • Degree in Computer Science or related field preferred
  • Financial markets experience a strong plus β€” market data, order management, algorithmic trading or financial systems integration
  • Someone who takes genuine pride in code quality and engineering standards

The Package

  • Competitive salary and incentive compensation
  • Private medical including dental, private GP service, life insurance
  • 7% pension contribution, no employee contribution required
  • 25 days holiday rising to 30, complimentary lunch daily
  • 4 days in office, London

Note: interviews are starting in 1-2 weeks so worth reaching out now. Send your CV across and we will be in touch.

Principal Python Engineer employer: Signify Technology

As a Principal Python Engineer at one of the world's largest exchange operators in London, you will join a dynamic and innovative team that values software craftsmanship and fosters a collaborative work culture. With competitive salaries, comprehensive benefits including private medical care and generous holiday allowances, as well as opportunities for professional growth and mentorship, this role offers a rewarding environment for those passionate about engineering excellence in the financial sector.

Signify Technology

Contact Details:

Signify Technology Recruitment Team

We think you need these skills to ace Principal Python Engineer

Python
SQL
Data Engineering
Communication Skills
Problem-Solving Skills
ETL/ELT Processes
Data Pipeline Development