Senior Backend Engineer - FinTech Microservices, Remote-First

trtwo; Milano; Hybrid; EUR 55,000 - 70,000; Full time

Benefits offered by this job

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Job summary

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.

Qualifications

• 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

Responsibilities

• 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

Skills

Backend dev (Java/Python)

PostgreSQL

Redis

Kafka/RabbitMQ

Microservices

PCI-DSS security

Tools

PostgreSQL

Redis

Kafka

RabbitMQ

Kubernetes

Job description

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.