Senior Backend Engineer

Job summary
Permanent contract
Paris
Salary: €61K to 100K
Starting date: December 09, 2024
A few days at home
Experience: > 5 years
Education: Master's Degree
Skills & expertise
Generated content
Gitlab
Git
Serverless
Postgresql
Typescript
+9

Payflows
Payflows

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Questions and answers about the job

The position

Job description

🌍 Our Vision & Mission
At Payflows, we give finance teams the tools to reclaim their time and energy. Our platform weaves together banking connectivity, payments, AI, and procurement so they can ditch the busywork and focus on what really moves the needle.

🤝 Why Join Us?
We’re a small, mighty team who’ve earned our stripes at Airbnb, Luko, BNP Paribas, and Facebook. It’s not always easy—things move fast, and we expect a lot—but if you’re hungry for impact, you’ll find it here.

🚀 What You’ll Do
As a Senior Backend Engineer, you will:

  • 🧭 Own & Build: Take charge of core services, write clean and scalable code, and influence architectural decisions.

  • 🧐 Set the Bar High: Champion coding standards, thorough testing, and top-tier code reviews.

  • 🤝 Mentor & Elevate: Guide junior engineers, provide constructive feedback, and lead internal workshops.

  • ⚡ Optimize & Improve: Spot performance bottlenecks, improve CI/CD pipelines, and push for smarter tooling.

  • ⚖️ Advocate for Maintenance: Identify and address technical debt, making the case for long-term stability.


Preferred experience

🧑‍💻 Must-Have Skills:

  • 5+ years with Python/Rust or any other OOP language

  • Backend expertise: APIs, microservices, architecture best practices

  • Databases & SQL: Data modeling, query optimization

  • Git: Comfortable with version control and code reviews

  • Engineering mindset: Build, test, refine, simplify—smart shortcuts when time is tight

🧩 Nice-to-Have Skills:

  • Experience in B2B enterprise SaaS

  • Familiarity with ERP or BaaS APIs

  • Serverless, AWS, event-driven architecture exposure

💻 Tech Stack:

  • Backend: Python / Flask / SQLAlchemy / Rust

  • Frontend: Typescript / Vue3 / Amplify

  • Data: PostgreSQL / DynamoDB / S3

  • Infra: AWS / Serverless / Docker / Airflow / Databricks

  • Tooling: Git / GitLab / Sentry

🎁 Perks & Benefits:

  • 🏡 Remote-Friendly: 2 days/week remote + 1 full remote week every 6 weeks

  • 💰 Competitive Salary & Equity

  • 📚 Growth & Exposure: Meetups, hackathons, conferences

  • 🌈 Team Vibe: Radical candor, team spirit, and the freedom to try, fail, learn, and improve

If you’re excited to own your code, guide others, and build a platform that redefines finance operations, we’d love to have you on board


Recruitment process

  • Screening Interview

  • Online coding Interview (CodinGame)

  • Live Coding Interview (medium to difficult)

  • System Design Interview

  • Product fit Interview

  • Fit interview

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