Senior Product Engineer - Payments Team

WeTravel, Inc.

Job Overview

Location

Amsterdam Office

Job Type

Full-time

Full Job Description

📋 Description

• Lead end-to-end payments projects including discovery with Product and PayOps teams, integration design with payment service providers (PSPs), build, rollout, monitoring, and incident response.
• Expand payment capabilities by doubling the number of local payment methods (e.g., UPI, PIX, account-to-account rails) in priority markets over the next 12 months.
• Build and deploy a card issuing capability across dozens of geographies, including ledger design, authorization flows, operational tooling, and dispute handling.
• Scale the payment processing system to support 10x growth in transaction volume while maintaining reliability and uptime.
• Enhance multi-currency and foreign exchange (FX) capabilities to support over 20 currencies, including direct application-layer handling of FX logic.
• Own the reliability of the payments system, including participation in on-call rotation for incident response and post-mortem authoring.
• Design and implement robust distributed systems featuring double-entry ledgers, automated reconciliation pipelines, money movement state machines, idempotency, exactly-once semantics, event-driven architectures, and reliable webhook handling.
• Integrate with diverse payment rails, card acquirer ecosystems, and PSPs, with deep expertise in settlement, reconciliation, dispute management, 3DS2 protocols, and PCI compliance frameworks including tokenization.
• Build React/TypeScript interfaces for payment flows alongside backend services, demonstrating full-stack comfort.
• Contribute to engineering excellence by improving CI/CD practices, cloud infrastructure (AWS/GCP), containerization (Kubernetes), and modern development tooling.
• Collaborate cross-functionally with Product, PayOps, and global teams in a distributed, multicultural environment.
• Mentor engineers and promote pragmatic adoption of AI tools to optimize development workflows, including training others on AI-assisted engineering practices.
• Work with a tech stack including React/TypeScript, Ruby on Rails, Kotlin microservices, MongoDB, MySQL, Postgres, Snowflake, and major LLM providers.
• Operate at scale: process 150K+ monthly payments and support billions in annual transaction volume across 150+ countries.
• Participate in a 2-week cross-functional onboarding program and contribute to team culture through Monday/Thursday lunches and after-work social events.
• Contribute to annual team off-sites and take advantage of unlimited paid time off to recharge.
• Use cutting-edge equipment and tools provided by the company to maximize productivity and comfort.

🎯 Requirements

• 7+ years of product engineering expertise with 4+ years dedicated to architecting complex payments systems
• Proven track record within a PSP, acquirer, gateway, or high-scale platform payments team
• Deep expertise in settlement, reconciliation, dispute management, 3DS2, PCI compliance, tokenization, and production-level PSP integrations
• Strong backend mastery in Ruby on Rails, Kotlin, Python, Go, Java, or Node.js with ability to ramp up quickly on Ruby
• Full-stack comfort: ability to build React interfaces for payment flows
• Direct production on-call experience with incident response and post-mortem authoring

🏖️ Benefits

• Competitive salary
• Unlimited paid time off ("Time to Recharge" policy)
• Work remotely for up to 4 weeks per calendar year
• Annual team off-site (often in sunny locations)
• Cycle-to-work scheme (Swapfiets subscription) or commuting reimbursement
• Extensive paid family leave

Skills & Technologies

Python

JavaScript

TypeScript

Java

Ruby

Senior

Remote

Degree Required

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WeTravel, Inc.

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About WeTravel, Inc.

WeTravel is a San-Francisco-based fintech-travel platform that provides payment, booking and itinerary management tools for group travel organizers and tour operators. Its SaaS solution enables travel companies to collect funds, manage client documents, create custom booking pages and automate supplier payouts while offering travelers multi-currency payment options. Founded in 2016, the company focuses on small to mid-size travel businesses worldwide, integrating banking, payment processing and customer management into one dashboard.

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