Senior Backend Engineer - Wallet & Payments Platform

Spendesk; Paris; Hybrid; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Flexible hybrid policy

Latest Apple equipment

Mental health support

Job summary

Spendesk is seeking a Senior Software Engineer to join the Wallet squad within the Payments group. You will own backend services for wallet accounts, deposits, balances, and payment flows, while shaping the technical direction of the squad.

You will work across the full feature lifecycle, collaborate with Product and Design, and contribute to scalable, compliant financial services. Excellent English and 5+ years in software development are required.

Qualifications

• Fluency in written and spoken English is required.
• At least 5 years of experience in software development, ideally in a product-focused environment.
• Strong expertise in TypeScript, particularly for backend development with Node.js.
• A proven track record of designing and delivering high-quality, scalable products.
• Strong architectural knowledge, including experience with micro-services and maintainable system design.
• The ability to lead initiatives and make sound decisions with ownership and autonomy.
• A product-oriented mindset, with the ability to contribute to discovery, prioritisation, meetings, and squad rituals.

Responsibilities

• Design, develop, and maintain reliable services for wallet accounts, deposits, balances, cash movements, and payment flows.
• Build clear and trustworthy experiences that help finance teams understand current and future cash positions.
• Contribute to capabilities that improve liquidity, funding flows, and the movement of funds in, out, and between entities.
• Work on international and multi-entity use cases, including multi-currency wallet capabilities.
• Contribute to accounting, segregation, reporting, and operational workflows that support accurate and compliant financial services.
• Define and evolve robust architectures, applying principles such as hexagonal architecture, clear domain boundaries, and strong data consistency.
• Lead technical initiatives from discovery and design through implementation, delivery, and continuous improvement.
• Use AI-assisted development tools daily, share effective practices, and help promote responsible usage across engineering.

Skills

English fluency

5+ years software development

TypeScript backend Node.js

Micro-services architecture

Leadership / ownership

Product-focused mindset

Tools

PostgreSQL

Redis

Kafka

Terraform

Kubernetes

AWS

GitHub Actions

Job description

Spendesk is seeking a Senior Software Engineer to join the Wallet squad within the Payments group. You will own backend services for wallet accounts, deposits, balances, and payment flows, while shaping the technical direction of the squad.

You will work across the full feature lifecycle, collaborate with Product and Design, and contribute to scalable, compliant financial services. Excellent English and 5+ years in software development are required.