Senior Software Engineer, Backend (Cluj)
- Salary
- Not stated
- Level
- Senior
- Work type
- Hybrid · Cluj
- Visa
- Not stated
Open. First seen 2 October 2026.
The team: Engineering HIRES STEADILY
This role is one of 31 open in Engineering. 1 was posted in the last 30 days and the oldest in October: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Vertex AI (31 of 31), Machine Learning (19 of 31), Golang (18 of 31), Python (18 of 31), LLM (17 of 31), AWS (13 of 31), Azure (13 of 31)
OTHER ROLES ON THIS TEAM
- Senior Mobile Software Engineer - Android & iOS posted Oct 16
- Senior Developer Relations Engineer posted Aug 12
- Senior Product Engineer posted Jul 1
- Senior Software Engineer, Backend (Taiwan) posted Jun 8
- Staff Software Engineer, Backend posted Jun 5
- Senior Forward Deployed Engineer (AI Agent) posted Apr 29
- Lead Engineer - AI Agent Voice Experience posted Mar 17
- Senior Forward Deployed Engineer (AI Agent) - Germany posted Mar 2
- Staff Machine Learning Engineer posted Mar 2
- Senior Software Engineer, Backend (AI Agent) posted Mar 2
- Senior Infrastructure Engineer/SRE posted Mar 1
- Senior Windows Native Application Engineer (Screen Recording) posted Feb 11
- Senior Software Engineer, Frontend (Platform) posted Feb 6
- Senior Forward Deployed Engineer (AI Agent) posted Feb 3
- Staff Software Engineer, Backend (Cluj) posted Jan 30
- Senior Forward Deployed Engineer (AI Agent) - UK posted Jan 27
- Senior Software Engineer, Backend - Platform Team posted Dec 29
- Software Engineer in Test (Berlin) posted Dec 11
- Staff Software Engineer, Backend (Iasi) posted Dec 11
- Senior Full Stack Engineer - Conversation Intelligence posted Dec 9
- Infrastructure Engineer/SRE posted Sep 22
- Senior Software Engineer, Backend (Bucharest) posted Sep 22
- Senior Software Engineer, Backend (AI Agent Integrations) posted Sep 11
- Senior Forward Deployed Engineer (AI Agent) posted Jun 12
- Senior Machine Learning Engineer posted May 29
- Senior Software Engineer, Backend (AI Agent Runtime) posted May 6
- Senior Software Engineer, Backend (Berlin) posted Apr 30
- Staff Software Engineer, Backend (Bucharest) posted Apr 8
- Senior Forward Deployed Engineer (AI Agent) posted Mar 23
- Senior Machine Learning Engineer posted Oct 23
From the team and dates on Cresta's own job board.
About the role
Cresta unlocks the true potential of the customer experience, turning every conversation into a competitive advantage. Cresta’s unified AI platform combines conversational AI agents, real-time human agent augmentation, and comprehensive conversation intelligence to drive revenue and efficiency gains across every channel. The world’s leading companies, including United Airlines, Cox Communications, and Marriott, use Cresta to power world-class customer experiences every day.
Born from the Stanford AI Lab, Cresta has raised more than $270 million from the world’s leading investors, including a16z, Greylock, and Sequoia. Cresta’s leadership includes some of the leading minds in AI today. Our CEO, Ping Wu, founded and led Google's Contact Center AI and Vertex AI platforms before joining Cresta to build the future of AI-driven customer experiences.
Over the next few years, AI is going to redefine how people all over the world interact with businesses every day. Come build that future at Cresta.
Cresta is excited to expand our operations to Romania and build a tech hub in the region. These early joiners will play a key role in establishing our engineering team in Romania, helping to shape the future of the site. We are a remote-first environment, offering opportunities to work with a global team across Europe, the US, and Canada. Over time, we aim to create a co-working space in Romania, moving towards a hybrid environment.
About your role:
As a Software Engineer, you will:
- 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).
Conclusion:
Compensation for this position includes a base salary, equity, and a variety of benefits. Actual base salaries will be based on candidate-specific factors, including experience, skillset, and location, as well as applicable local pay requirements. We are actively hiring for this role in Romania, the US, and Canada.
Our use of AI in recruiting: We may use AI tools in our recruiting process, which require human review and oversight. If you have questions about our use of AI or wish to opt out, please contact recruiting@cresta.ai (if you are opting out, please use the subject ‘Opt-Out’ in your email).
Recording & AI transcription: We do not authorize candidates to record or use AI transcription of any interview by phone, notetaker app, AI glasses, or other device. Candidates may request an exception or accommodation for review during the interview process as needed.
Recruiting impersonation scams: We have noticed a rise in recruiting impersonations across the industry, where scammers attempt to access candidates' personal and financial information through fake interviews and offers. All Cresta recruiting email communications will always come from the @cresta.ai domain. Any outreach claiming to be from Cresta via other sources should be ignored.
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