Founding backend engineer

🔒 Confidential Employer
Posted 7 May 2026
LOCATION
Remote
TYPE
Full-time
LEVEL
Mid-Senior level
CATEGORY
Technology
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

Python AWS Stripe integration Payment orchestration CI/CD (GitHub Actions) Performance optimization Unit testing Postman

FULL DESCRIPTION

Founding backend engineer

Company: [Employer hidden — sign up to reveal]

Location: Remote (CET +- 2)

Salary: €5,000 - €7,000/month

Job Type: Full-time, Employee

Experience Level: Mid-Senior level

About [Employer hidden — sign up to reveal]

[Employer hidden] is a next-generation invoicing platform that empowers online SMBs to send and pay invoices. Our vision is to build the world's most accurate financial AI agent for SMBs. We are on a mission to empower business owners with financial expertise and accelerate the transition to spiritual capitalism. Read more here.

What We're Looking For

  • Spiritual maturity: A truly good person with strong character and values, able to build trusting relationships in high-stress environments.
  • Analytical intelligence: Highly comfortable with numbers, complex problem solving, automation, and an obsession for details.
  • Hunger: Exceptionally motivated with a strong growth mindset and bravery to aim for #1.

Tasks

  • Translate technical requirements into detailed backend designs creating tier 1 scalable systems and a joyful customer experience.
  • Drive innovation, maintainability, performance, scalability, and headless systems under strict timelines.
  • Lead backend engineering and solve complex problems: optimal schema design, 100% uptime, high-end security, credit scoring gamification, invoice matching algorithm, payment orchestration, analytics system.
  • Integrate with external systems: Stripe, Plaid, QuickBooks, Economic.

Requirements

  • 4+ years Python
  • 4+ years AWS
  • 1+ years banking integrations (valued)
  • 1+ years accounting integrations (valued)
  • 1+ years payment gateways (Stripe)
  • Backend development experience (MQ, caches, architectural patterns)
  • Experience with tests (Unit/Integration/Performance)
  • Performance and optimisation problem diagnosis and prevention
  • Extreme attention to detail, obsession for scalable systems
  • Hands-on with CI/CD (GitHub Actions, AWS CodeDeploy)
  • Working knowledge of cyber security
  • Experience with Postman

Benefits

  • Salary starting at €5000/month plus serious warrants (1-7%)
  • Remote-first team across US, EU, Asia
  • Flexible working hours
  • Weekly remote team lunches, high quality tea, co-working space covered
  • Make a big difference – own and implement decisions to build [Employer hidden — sign up to reveal]

Application Process

  1. Initial interview with Seb (30-45 min)
  2. Technical challenge
  3. Final interview with Seb (1h)
  4. Reference call with former colleagues and investor/advisors
  5. Offer

Apply via [Employer hidden — sign up to reveal] or the [Employer hidden — sign up to reveal] careers page.

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