Senior Payments Engineer – Acquiring, Payment Processing

This is a fully remote position, open to applicants in Latin America.

📋 Description

• Develop and construct backend services using Golang that integrate with payment processors, gateways, and card networks.

• Take ownership of authorization, capture, settlement, refunds, reconciliation, and chargeback/dispute management processes.

• Create idempotent, fault-tolerant, and auditable transaction processing within a distributed architecture.

• Work within PCI DSS guidelines, including tokenization, network tokens, secure handling of payment data, and 3DS/SCA processes.

• Implement and monitor metrics such as authorization rates, decline rates, processor performance, latency, and settlement accuracy.

• Utilize Claude or similar LLM tools for design, coding, research, testing, and documentation while adhering to security policies.

• Provide mentorship to engineers, assist colleagues in overcoming obstacles, and occasionally lead small project teams.

• Collaborate with Product, Risk, Compliance, Support, and engineering teams to develop scalable payment solutions.

⛳️ Requirements

• Over 7 years of experience in backend or full-stack engineering, with significant involvement in payments, fintech, or money movement systems.

• Proficient in Go (preferred), or comparable experience in Python, especially in building and serving REST APIs.

• Practical experience integrating with payment processors, gateways, or acquiring systems.

• Understanding of authorization versus settlement, tokenization, idempotency, reconciliation, and chargebacks/disputes.

• Experience with distributed, cloud-based architectures utilizing transactional outboxes or queuing tools such as Kafka, SQS, or RabbitMQ.

• Proven, hands-on experience with Claude or an equivalent LLM to boost productivity, research, and communication.

• Bachelor's degree in Computer Science, Engineering, or a related discipline.

• Experience with SQL-based RDBMS through an ORM.

• Familiarity with observability platforms like Prometheus, New Relic, or Datadog.

• DevOps experience with CI/CD pipelines.

• Knowledge of containerized microservice architecture deployed with Kubernetes on AWS.

• A track record of delivering commercial APIs and web applications.

🏝️ Benefits

• Competitive salary and comprehensive benefits package.

• Opportunities for professional development and continuous learning.

• Flexible work schedule and the option for remote work.

• Collaborative and inclusive company culture.