14h ago
Senior Software Engineer - Payments
Portugal
✨ $100k-$150k / yearest.
full-timemid Remote
🛠 Tech Stack
💼 About This Role
You'll build a high-throughput multi-tenant payments platform processing deposits, withdrawals, and settlements. You'll own third-party integrations and improve authentication flows for reliability. This role offers deep technical ownership in a fintech/iGaming environment.
🎯 What You'll Do
- Design and implement backend services for payment flows.
- Develop frontend components for deposit and withdrawal experiences.
- Own end-to-end third-party payment and supplier integrations.
- Implement secure authentication, webhook validation, and callback handling.
📋 Requirements
- 4+ years as a Full Stack Engineer on backend and frontend systems.
- Strong experience building APIs and transactional backend services.
- Proven experience integrating third-party APIs, ideally payment or financial services.
- iGaming, fintech, or high-transaction system experience required.
✨ Nice to Have
- Experience with cryptographic key management or wallet abstractions.
- Background in fintech, DeFi, or crypto exchange infrastructure.
- Familiarity with event-driven systems, Kafka, or message queues.
🎁 Benefits & Perks
- 🏖️ Remote-first culture.
- 💻 Cutting-edge tech stack with Go, TypeScript, React.
- 📈 Ownership of high-impact payment infrastructure.
🚩 Heads Up
- Experience in iGaming required despite title not mentioning industry
- Mentions senior engineer but experience level matches mid (4+ years)
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