Senior Software Engineer, Backend (cluj)

Cresta Cresta · Vertical AI · Romania · Remote · Engineering

Software Engineer role focused on building and improving Cresta's AI-powered contact center platform, optimizing for performance and reliability. The role involves collaborating with product and engineering teams, owning customer-facing deliverables, and growing into technical ownership of platform components. Requires strong backend engineering skills, API design, real-time data handling, and cloud/Kubernetes experience.

What you'd actually do

  1. Play a substantial role in the Cresta engineering team, focusing on building and continuously improving the Cresta platform to support new product requirements.
  2. Collaborate with Cresta's product and engineering teams to develop high-quality, well-designed, reusable, and well-tested system components.
  3. Stay closely aligned with customers and their requirements, analyzing technical trade-offs and owning customer-facing deliverables.
  4. Optimize platform design and implementation for lower latency, higher throughput, better reliability, and cost reduction.
  5. Demonstrate engineering best practices and uphold your team to the same high standards.

Skills

Required

  • Backend engineering
  • API design (gRPC, REST, WebSocket)
  • Real-time streaming data handling (audio or video)
  • High throughput and low latency systems
  • Database schema design and query optimization
  • Kubernetes
  • Cloud providers (AWS, GCP, or Azure)

Nice to have

  • Experience in contact center AI

What the JD emphasized

  • 10+ years of experience