About
🌍 Join the Payment Revolution
Imagine this: Right now, hundreds of millions of talented entrepreneurs across the globe are building amazing businesses - AI startups, gaming companies, digital agencies. But there's a problem. An African developer creating the next big SaaS can't easily get paid by US customers. An Argentinian agency struggles to work with European clients. A Brazilian e-commerce store can't expand globally.
The result? $100+ billion in lost opportunities every year. The future economic powerhouses of the world are being held back by outdated payment systems built by boomers, for boomers.
We're changing that.
🚀 The Opportunity
At Inflowpay, we're not just building another payment processor. We're creating the financial infrastructure for tomorrow's economy - where a brilliant developer in Sao Paulo can seamlessly serve clients in Silicon Valley, Tokyo, or anywhere else.
Our mission is simple: ANY business from ANYWHERE should be able to sell to ANYONE. No borders. No barriers. Just pure opportunity.
💰 What We've Achieved
Raised $1.1M just months after launch from prestigious investors (including unicorn founders)
Strong client demand from day one
Building something that will impact millions of entrepreneurs worldwide
Job Description
As a Experienced Software Engineer at Inflowpay, you'll be at the forefront of building next-generation payment infrastructure that enables global commerce for emerging markets. You'll work directly with our founding team to architect, develop, and scale systems that process millions in transactions and serve businesses worldwide.
Preferred Experience
We're looking for a senior React/TypeScript/Node.js engineer who embodies both technical excellence and startup DNA.
Technical Excellence
Years of experience with TypeScript/Node.js and React
Strong understanding of backend architecture, APIs, and databases (PostgreSQL)
Experience with cloud platforms (AWS) and modern development practices
Bonus: Previous fintech or payment systems experience
Startup DNA
High ownership mentality : You don't just code, you think about the business impact
Thrives in uncertainty : You're energized by fast-changing priorities and ambiguous requirements
Move fast, break things : You ship quickly, iterate based on feedback, and aren't afraid of making mistakes
Excellence-driven : You have high standards for yourself and push others to be better
Bonus : Previous High Level (semi-professional/professional) Athlete
Cultural Fit
Direct communicator : You speak up when something isn't working and propose solutions
Globally minded : You understand we're building for entrepreneurs worldwide, especially emerging markets
Mission-driven : You genuinely care about democratizing access to global commerce
Resilient : Startup life is intense; lots of work, fast decisions, high stakes ; you need to handle pressure and bounce back from setbacks
Red Flags
Needs constant direction or hand-holding
Prefers stable, predictable environments
Only cares about the paycheck, not the mission
Can't handle constructive feedback or fast iteration
We're a small team where everyone has massive impact. If you want to build something that changes millions of lives while working with exceptional people, you're our person.
Key Responsibilities
Backend Development:
Build and maintain robust payment processing systems using TypeScript/Node.js (NestJS)
Design and implement APIs that handle financial transactions securely and efficiently
Create transaction routing algorithms that optimize for acceptance rates and fees
Implement real-time messaging and event-driven architecture using CloudAMQP
Frontend Development
Build intuitive dashboards for merchant onboarding and transaction management
Create responsive interfaces that work seamlessly across devices and regions
Develop real-time analytics and reporting features for business insights
Infrastructure \& Scale
Architect scalable database solutions using PostgreSQL for financial data
Deploy and maintain cloud infrastructure on Render
Ensure 99.9% uptime for mission-critical payment systems
Implement monitoring, logging, and alerting for production systems
Product \& Strategy
Collaborate directly with founders on product roadmap and technical decisions
Research and integrate with multiple payment acquirers and financial institutions
Contribute to technical documentation and API specifications
Benefits
Financial:
Competitive salary
Equity package offered after successful first weeks
Performance bonuses tied to company milestones
Professional Growth
Direct access to founders and key strategic decisions
Work on cutting-edge fintech technology with global impact
Small team environment where your contributions are immediately visible
Opportunity to shape technical architecture from early stage
Work Environment
Hybrid Remote-friendly culture with flexible hours
Modern tech stack and tools
Fast-paced startup environment with rapid learning opportunities
Minimal bureaucracy, focus on building and shipping
Impact \& Mission
Every feature you build enables entrepreneurs worldwide to access global markets
Be part of democratizing financial infrastructure for emerging economies
Work on technology that processes real money and affects real businesses
Join a well-funded startup ($1.1M raised) with strong investor backing and client demand
Fair Warning:
This is intense startup life with high expectations, significant responsibility, and the need to move fast. Perfect for engineers who want extraordinary impact and compensation to match.
Additional Information
Contract Type: Full-Time
Location: Paris
Possible partial remote