← All roles

Senior Software Engineer, Backend (Cluj)

Cresta· Engineering
Apply on company site
Hybrid (Cluj, Romania)Full-timePosted 3mo ago

About the role

Senior Backend Software Engineer at Cresta in Cluj, Romania (Hybrid). Focused on building and improving the Cresta platform, collaborating with product/engineering teams, optimizing for latency and throughput, and growing into technical ownership of key components. Remote-first with potential hybrid in Romania.

Responsibilities

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

Qualifications

  • Bachelor's degree in Computer Science or a related field.
  • 10+ years of experience in relevant domains.
  • Proficiency in designing and maintaining clear and robust APIs based on strong understanding of various protocols including gRPC, REST, WebSocket, etc.
  • Experience handling real-time streaming data (audio or video) with high throughput and low latency.
  • Familiarity with high-performance database schema design and query optimization.
  • Experience with containerized application deployment using Kubernetes.
  • Hands-on experience with one of the major cloud providers (AWS, GCP, or Azure).

Skills

Required:API designReal-time streamingDatabase designKubernetesCloud platforms

Benefits

  • Base salary, equity, and a variety of benefits.
Last updated Sep 17, 2026. Interested? Apply on the company site.

About Cresta

AI Agents for Every Customer Conversation | Cresta

AI Agents for Every Customer Conversation | Cresta

AIAI AgentAutomationCXCrestaCustomer ExperiencePlatformorchestration
Company profileWebsite

More open roles at Cresta