Descripción de la oferta
Build next-generation payment services in Elixir / Phoenix with ultra-low latency, high availability, and fault tolerance. Greenfield architecture, real business impact, full autonomy on technical decisions. Requirements Must-have Payments industry experience : Regulatory frameworks, including PCI. Payment processing systems including acquiring and / or issuing, with experience across the full transaction lifecycle—authorization, clearing, settlement, dispute management, and card network rules (Visa / Mastercard / AMEX). Strong backend development in any language (we'll teach Elixir) Strong communication, autonomy, collaboration with distributed teams English : Intermediate to fluent Nice to have Payment processor integrations (Stripe, Braintree, Authorize.net) AWS experience (EC2, Lambda, RDS) Concurrent / distributed systems knowledge AI integration into the SDLC Elixir / Phoenix or functional programming experience High-performance systems optimization What You’ll Do Core responsibilities Design / build payment services in Elixir / Phoenix (performance, reliability, maintainability) Integrate with processors, card networks, fraud detection, 3DS providers Optimize for approval rates, latency, and fault tolerance Collaborate on architecture, code reviews, and engineering standards Work within PCI DSS and card network compliance requirements Month 1 Fully onboarded, contributing to next-gen services, understanding payment flows and business impact Month 3 Working independently on features with guidance, solid architecture knowledge, shipping production code Month 6 Working autonomously on complex features, deep system understanding, trusted team contributor About SeamlessPay We're a payment optimization platform that helps businesses recover significant revenue lost to false declines, poor routing, and preventable chargebacks. We're building next-generation payment services in Elixir to achieve ultra-low latency, high availability, and fault tolerance at scale. We're not just another payment gateway—we're the intelligence layer that sits above processors, making smarter real-time decisions through AI-powered routing, network tokens, 3D Secure, and dispute automation. What we offer 60-75K annually based on experience (contractor via Deel) 100% remote, work from anywhere in Europe Flexible hours with core collaboration windows Unlimited time off (contractor model, aligned with local holidays) Greenfield architecture with modern stack High-impact work affecting company revenue Small team, big influence from day one Ready to build next-gen payment infrastructure? If you're a payments expert who loves technical challenges and wants autonomy to do your best work, let's talk. #J-18808-Ljbffr
