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Software Engineer - Integrations

Wagestream

Wagestream

Software Engineering
London, UK
GBP 65k-85k / year + Equity
Posted on Oct 15, 2025
Engineering · London Office · Hybrid

Software Engineer - Integrations

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

Stream integrates with client payroll, HR and WFM (workforce management) systems, connecting us with information on how much their employees have worked and earned. As an engineer focussed on launching clients, you will be at the heart of our mission.

What will you be doing:

  • Working with our Solutions Team and Delivery Managers to architect, develop, and test code that integrates with third-party payroll, HR and WFM systems
  • Support the onboarding of new clients by configuring them onto existing integration frameworks
  • Maintain and enhance the current integrations platform, driving broader system-level optimisations

Within the first 6 months you’ll have developed a strong understanding of our domain, integrated multiple clients as the lead engineer, and contributed to the technical evolution of the integrations platform.

The key technologies we use are Python, PostgreSQL, Snowflake and AWS.

Requirements

We're looking for Engineers at the Mid (E2 - E3) levels to join our Integrations team.

Required experience:

  • Minimum 2 years experience in professional software engineering using Python
  • Experience interacting with a variety of API technologies, such as REST, JSON and XML
  • Understand basics of SQL and relational databases
  • Experience working with AWS, using services such as ECS, S3 and API Gateway (Optional)

What kind of person are we looking for?

  • Collaborative; Ability to communicate and design solutions alongside technical and non-technical stakeholders
  • Organised; Able to efficiently manage a varied workload across multiple projects
  • Resourceful; loves to identify and solve problems using a variety of tools at their disposal

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

Salary: Dependent on experience and seniority, ranging from £65,000-£85,000, plus an equity vesting schedule.

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. Stream 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.

Department
Engineering
Locations
London Office
Remote status
Hybrid
Contact Jake Wilson Head of Talent

About Stream

Stream improves the financial wellbeing of 3 million frontline workers, with a workplace finance platform built around their pay.

Award-winning employers like Asda, Bupa, Crate & Barrel, Pizza Express and the NHS make money fairer and work more rewarding, by offering Stream as an employee benefit.

Stream is a B Corporation that was founded with a social charter and built with the Fair By Design financial inclusion campaign.

Founded in 2018
Co-workers Over 200
Engineering · London Office · Hybrid

Software Engineer - Integrations

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