Senior Full-Stack Engineer AI-Driven Fintech (Paris/Remote)

Upflow; United States; Hybrid; USD 78,000 - 95,000; Full time

Benefits offered by this job

35 paid days off

Meal vouchers

Top-of-the-range equipment

Great healthcare

Equity

Job summary

Upflow is hiring a senior software engineer to architect and deliver high-impact features across the full stack. You will collaborate with product, design, and fellow engineers to build scalable solutions in a fast-paced startup environment.

Experience with AI-assisted workflows and agentic tooling is a plus, as is a product-minded focus on UX. Based in Paris or in Paris timezone, you may work on-site in Paris 2-3 days a week or fully remote.

Qualifications

• 5+ years of software engineering experience.
• Strong proficiency in Typescript, React and SQL.
• Experience with AI-assisted development and agentic tools.
• Excellent architecture, reliability, and scalability skills.
• Fluent English with strong communication; Paris-based or in Paris TZ.

Responsibilities

• Architect and implement complex, high-impact product features from start-to-finish.
• Collaborate with product manager, designer, and engineers to translate requirements into solutions.
• Ship clean, maintainable code to production daily.
• Participate in technical reviews and provide constructive feedback.
• Troubleshoot and debug complex product issues; optimize performance and scalability.
• Improve agentic tools and automations; contribute to the stack (Frontend: TS, React; Backend: TS, Node.js, Express, Postgres, Redis).

Skills

Typescript

React

SQL

Claude Code

Architecture

UX focus

Teamwork

English

Tools

Node.js

Express

Postgres

Redis

GraphQL

Terraform

Datadog

Sentry

Job description

Upflow is hiring a senior software engineer to architect and deliver high-impact features across the full stack. You will collaborate with product, design, and fellow engineers to build scalable solutions in a fast-paced startup environment.

Experience with AI-assisted workflows and agentic tooling is a plus, as is a product-minded focus on UX. Based in Paris or in Paris timezone, you may work on-site in Paris 2-3 days a week or fully remote.