Senior Software Engineer

🔒 Confidential Employer
Posted 24 March 2026
LOCATION
London
TYPE
Full-time
LEVEL
Mid-Senior level
SALARY
£110,000 / year
CATEGORY
Technology
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

TypeScript React Node PostgreSQL GraphQL Frontend Development

FULL DESCRIPTION

Senior Software Engineer at [Employer hidden — view at passion-project.co.uk] in London (Hybrid)

Salary: £81K – £110K

Overview

We help companies get compensation right.

What we get paid at work has a massive impact on our lives, and it’s one of the biggest factors in hiring and retaining talent - and yet so many companies struggle to get it right. They simply have no choice but to rely on poor data and unsophisticated tools for their pay decisions. That’s why we created [Employer hidden].

We help many of the world’s most innovative and ambitious companies build stronger teams and reach their goals through better compensation. Our real-time data platform brings compensation into the modern age, tracking the market across all compensation types from salary to equity and benefits. We’re passionate about ensuring everyone is paid what they deserve, no matter their background or circumstances. We believe that when compensation is done right, everyone wins.

[Employer hidden] is growing fast, which means you can too. We’ve established ourselves as the European leader in our space serving more than 1,200 clients, and now have our sights set on becoming the global go to place for compensation data and tools for managing compensation.

Joining a startup and scaling it into a global product is one of the most challenging and rewarding experiences a career can offer. If that sounds exciting to you, you’re in the right place.

The role

We're looking for senior software engineers to join our Web App engineering team. You'll have the opportunity to lead implementations across our entire product stack, with a focus on your area(s) of choice across frontend and backend.

The Web App engineering team is dedicated to building [Employer hidden]'s customer-facing web product, which is a data + SaaS platform. Our collective expertise spans various domains, with members specialising in both frontend and backend development, with every team member contributing across the entire stack to some degree.

You’ll be responsible for end-to-end development of new modules and features, working directly with our technical cofounders. We expect you to contribute to every phase of the development cycle, from planning and architecting, to implementation and testing, to code review and maintenance.

Requirements

  • 4+ years experience as a software engineer
  • Ability to make senior level contributions writing in
  • TypeScript
  • React
  • Node
  • PostgreSQL

Bonus points for experience in high velocity and technically challenging roles

Our tech stack

Frontend:

  • React
  • Typescript
  • GraphQL (Apollo Client)
  • Playwright
  • Jest
  • Storybook + Chromatic
  • Mantine
  • GCP (Cloud Run)

Backend:

  • Node
  • Typescript
  • PostgreSQL
  • GraphQL Yoga
  • Jest
  • Auth0
  • GCP (Cloud Run, Cloud SQL, Cloud Storage + more)

All the other good stuff:

  • GitHub Actions
  • Datadog
  • Figma
  • Slack
  • Linear

Engineering at [Employer hidden] in 2026

This is an exciting stage to join [Employer hidden]. We have a small, talented team and a business that is rapidly growing - creating high impact engineering opportunities that come with a lot of variety. It’s also a great place to be an engineer - we have technical co-founders who know first hand the importance of creating space and focus for engineering teams to do their best work.

Our core benchmarking product is at product-market fit, and we have several new modules in the 0-1 phase. This means that we have 0-1 & MVP engineering in some areas, and engineering for scale in others.

You’ll be working alongside many accomplished and world class teammates, who are energised by the work they do and have a high bar for themselves and their colleagues.

Why join [Employer hidden]?

  • Opportunity for fast-tracked professional growth at a scaleup backed by world-class investors alongside a smart, energetic team.
  • Flexible work culture with a high degree of ownership.
  • While we’re very focused, we also know how to have fun in the process.
  • Build a meaningful product that helps people get paid fairly and competitively in their careers.

Compensation & benefits

  • £81,000 - £110,000
  • Company ownership (everyone gets a meaningful equity stake in [Employer hidden])
  • 37 days paid time off (25 days holiday + 4 wellness day + 8 public holidays)
  • Up to 6% pension matching scheme
  • £60 a month wellness allowance (Invest in your physical wellbeing, on us)
  • £500 per year Learning and Development budget
  • Private healthcare cover with AXA
  • Personal travel insurance - just in case
  • Income protection insurance (for full peace of mind in case you cannot work because of sickness or disability)
  • 16 weeks fully paid birthing parent leave, followed by 4 weeks at 50% pay & 8 weeks for non-birthing parent

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