Principal/Staff Engineer

Stream
principal
Location

London W1T 1NR, Europe

Work Type

Remote

Seniority

principal

Posted

October 17, 2025


Expected Salary
$100k+
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Job Description

The Company:

Stream was founded with the mission to provide fair financial tools to the everyday worker. Offered through destination employers like Greene King, Bupa, Burger King, Asda and the NHS, our award-winning platform helps over three million people to earn, learn, save, spend and borrow on their own terms, all in one smartphone app.

Stream is unique: VC backed and growing at scale, but with a social conscience. Some of the world's leading impact funds were our founding investors, and we operate on a social charter, which means every product and service we create must measurably improve financial wellbeing.

You’d be joining a team of over 200 passionate, ambitious people across Europe and the USA, building a category-defining product, and united by that same mission.

This Role:

We're looking for Lead, Staff & Principal Engineers to join our cross-functional squads. The key technologies we use are Python, Typescript, React, Svelte, PostgreSQL, Snowflake and AWS.

Stream has a genuine focus on moving quickly, avoiding waste, and getting engineers' work into the hands of users in the smallest amount of time possible.

Requirements:

  • You're excited about our mission.
  • You're a great engineer.
  • You're interested in steering the direction of our product, and solving the problems of our customers.
  • You like to work quickly and cut out waste.
  • You take responsibility for the quality of your own work.

Salary: Dependent on experience and seniority, ranging from £120k-£160k, plus an equity vesting schedule.

Hybrid Working: Ability to work from our London office 3 days a week, blending with remote work.

What will we do for you?

  • 25 Days Annual Leave in addition to public holidays (up to 5 day rollover), as well as flexible time off allowances for any ad-hoc childcare/family/caring needs
  • 24 weeks' paid Maternity Leave and 4 weeks paid Paternity Leave for employees with over 12 months service
  • Special Leave for In Vitro Fertilisation (IVF) and other fertility treatments
  • Sabbatical scheme
  • Paid leave to volunteer
  • Private Healthcare including comprehensive mental and physical healthcare
  • Salary sacrifice to pension, as well as bonus exchange to Pension: reap even more rewards of any bonus by paying into your pension & save on Tax and NI + added compound growth
  • Season Ticket Loan
  • Access to Salary Sacrifice Schemes via ThanksBen: THE Benefits marketplace. Choose the benefits you want, when you want. Pay less tax, receive more value, including: Workplace nurseries, Cycle to Work, Home and Tech Scheme and more.
  • The best benefit of all, access to Stream!

At Stream we celebrate and support our differences. We know employing a team rich in diverse thoughts, experiences, and opinions allows our employees, our product and our community to flourish. Wagestream is an equal opportunity workplace. We are dedicated to equal employment opportunities regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity/expression, or veteran status.

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