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Cresta

Senior Software Engineer, Backend (Bucharest)

Cresta
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20 days ago
Bucharest, RomaniaSenior
H1B Sponsor

Responsibilities

  • Lead the design and development of scalable, distributed backend microservices in Golang.
  • Own and evolve voice platform integrations with large-scale enterprise communication systems.
  • Drive initiatives to expand platform capabilities, including SIP and WebRTC integrations.
  • Build systems that power conversation intelligence for remote and in-person interactions.
  • Improve observability, reliability, and self-service troubleshooting across the platform.
  • Ensure performance, scalability, and resilience of real-time voice pipelines in the cloud.
  • Collaborate with cross-functional teams to design end-to-end solutions for customer deployments.
  • Provide technical guidance, mentorship, and best practices to other engineers.

Requirements

  • Bachelor’s degree in Computer Science or related field.
  • 5+ years of experience in backend system development, distributed systems, or cloud infrastructure.
  • Expertise in Go or a similar systems language with strong API and service design skills.
  • Proven experience with scalable architectures using microservices and cloud databases.
  • Strong knowledge of Kubernetes, Docker, and modern cloud infrastructure.
  • Solid understanding of networking, real-time communication protocols, and cloud security best practices.
  • Demonstrated ability to lead complex technical projects from design through production.
  • Bonus: experience with voice systems, telephony, or real-time media platforms.

Tech Stack

DockerGoKubernetesPython