Senior Backend Engineer

trtwo is seeking a Senior Backend Engineer to design and build scalable microservices for a fintech payments platform. You will work on RESTful APIs, high‑performance data stores, and secure code practices within a remote‑first environment.

You’ll collaborate with product, compliance, and infrastructure teams, mentor engineers, and contribute to the technical roadmap while supporting on-call incident response.

Design and implement RESTful APIs and event-driven microservices for payment processing
Optimize database queries and ensure sub-100ms responses at scale
Collaborate with DevOps to manage CI/CD pipelines and Kubernetes deployments
Conduct code reviews and mentor mid-level engineers
Participate in on-call rotation and incident response
Contribute to architecture decisions and technical roadmap

5+ years backend development in Java or Python
Strong PostgreSQL/Redis knowledge and message queues (Kafka/RabbitMQ)
Experience with microservices architecture and container orchestration
Understanding of PCI-DSS compliance and secure coding practices

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