Software Engineer - B2B Lending & Payments (Hybrid, Paris)

INFINIT; Paris; Hybrid; EUR 80,000 - 110,000; Full time

Benefits offered by this job

Competitive salary

Equity stake

Diverse, international team

Flexible benefits

Health insurance

Gym discount

Annual gatherings

Birthday off

Hybrid work

Job summary

INFINIT, a fast-growing fintech, is seeking a Software Engineer to own the financial infrastructure powering client lending and payments. You will collaborate with business stakeholders to translate financing workflows into scalable backend services.

You will build client loan applications from submission to financing confirmation, ensure secure payment processing, and support audit and collateral workflows. Hybrid Paris office with 3 days onsite, 2 days remote.

Qualifications

• Expert C# & .NET engineering with a focus on high-performance, distributed backend systems.
• Core banking and ledger logic for regulated financial environments and loan/payment workflows.
• Demonstrated ownership of features end-to-end with accountability for reliability of transactions.
• Effective communication translating technical concepts to non-technical stakeholders and translating business objectives into tasks.
• Experience with modern tooling and automation to accelerate development velocity while maintaining code quality.

Responsibilities

• Own the loan application workflow end-to-end from submission to financing confirmation.
• Ensure secure, accurate payment processing across the loan lifecycle (interest accruals, disbursements, reimbursements).
• Support audit and due diligence workflows to maintain collateral control.
• Be the point of contact when domain issues arise for the team.

Skills

C# & .NET

Ledger knowledge

End-to-end ownership

Stakeholder communication

Automation tooling

Tools

Agentic coding

Automation tools

Job description

INFINIT, a fast-growing fintech, is seeking a Software Engineer to own the financial infrastructure powering client lending and payments. You will collaborate with business stakeholders to translate financing workflows into scalable backend services.

You will build client loan applications from submission to financing confirmation, ensure secure payment processing, and support audit and collateral workflows. Hybrid Paris office with 3 days onsite, 2 days remote.