Principal Engineer

numi

London

On-site

GBP 120,000 - 140,000

Full time

14 days+

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Benefits offered by this job

Equity stake

Competitive salary

Exceptional learning opportunities

Great colleagues

Job summary

A high-growth fintech company is seeking a Principal Engineer to solve complex problems, mentor a talented team, and provide technical direction. Candidates should have 10-15 years of experience, significant skills in Python, and an ability to communicate with diverse stakeholders. The role offers a competitive salary of £120k-£140k, equity stakes, and an opportunity to influence the technology direction significantly.

Qualifications

10-15 years of experience in engineering.
Track record of building maintainable, scalable services and systems.
Strong problem-solving skills as an Individual Contributor.

Responsibilities

Solve complicated problems in fintech.
Provide technical direction and architecture guidance.
Mentor and support senior engineers.
Lead by example through training sessions.

Skills

Python

Collaborative team work

Effective communication

Tools

AWS

GCP

Azure

Vue

React

Nuxt

Job description

2 days ago Be among the first 25 applicants

This range is provided by numi. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Overview

numi is proud to have partnered with a multiple award-winning, high-growth fintech company. We have made multiple hires to this company, it is a place for top-tier engineers who are also excellent colleagues. As they continue to grow, they're looking for an exceptional IC (Individual Contributor) to solve some of their most complex problems. This is an opportunity to be a top technical voice, influence the system, and mentor a talented team.

As a Principal Engineer, you will be a hands-on problem solver and a technical leader, influencing the team through expertise and example rather than line management.

What You'll Do

Solve Complicated Problems: Tackle some of the most difficult challenges in fintech, such as increasing the reliability of core data and solving problems at scale.
Provide Technical Direction: Lead through influence by setting the technical direction and providing guidance on system and data architecture.
Mentor the Team: Support and mentor senior engineers, helping them weigh up approaches and accelerate their learning.
Lead by Example: Run training sessions and facilitate discussions to elevate the entire engineering team.

Who We're Looking For

You are a seasoned engineer with 10-15 years of experience, a track record of building maintainable, scalable services and systems, and an upward trajectory in your career. You are a fantastic IC who thrives on solving tough problems.

Significant experience with Python.
A background in a cloud-focused organization with exposure to AWS, GCP, or Azure.
A desire to work collaboratively in a team and an ability to communicate effectively with both technical and business stakeholders.

Nice to Have

Experience with Vue, Nuxt, React, or Next.
Experience or a strong interest in Fintech.

Why You'll Love Working Here

Exceptional Impact: Be the biggest single influence on the system and technology direction.
Unrivaled Learning: Gain exposure to the finance industry while working on a modern tech stack.
Incredible Colleagues: Join a team of skilled engineers and excellent colleagues.
Real Ownership: Receive a meaningful equity stake and a competitive salary of £120k-£140k plus EMI options.

Seniority level