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Senior Software Engineer, Backend (Bucharest)

Cresta· Engineering
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Hybrid (Bucharest, Romania)not specifiedPosted 3mo ago

About the role

Senior Software Engineer on the Voice Platform team responsible for designing, scaling, and operating distributed services powering Cresta’s voice ecosystem, with focus on SIP/WebRTC, multilingual and translation pipelines, and real-time conversation intelligence in a hybrid Bucharest, Romania role.

Responsibilities

  • Lead the design and development of scalable, distributed backend microservices in Golang (with some Python for AI-related services).
  • Own and evolve voice platform integrations with large-scale enterprise communication and contact center systems.
  • Drive initiatives to expand platform capabilities, including bi-directional SIP, WebRTC integrations, multilingual support, advanced transcription, and real-time translation.
  • Build systems that power conversation intelligence for both 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 running in the cloud.
  • Collaborate with cross-functional teams (ML, product, solution architects) to design end-to-end solutions for customer deployments.
  • Provide technical guidance, mentorship, and best practices to other engineers on the team.

Qualifications

  • 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, workflow orchestration, distributed caching, 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.

Skills

Required:GoAPI designDistributed systemsKubernetes

Benefits

  • Compensation includes 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

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