--- title: 'Senior Software Engineer, Backend (Cluj) at Cresta' canonical: 'https://feeny.ai/job/senior-software-engineer-backend-cluj-cresta-cluj-kjpv9kj6cbbk' type: 'job' last_seen: '2026-10-27' --- # Senior Software Engineer, Backend (Cluj) at Cresta - **Company:** Cresta - **Location:** Cluj, Romania - **Work type:** remote - **Posted:** 2024-10-30 - **Last confirmed live:** 2026-10-27 - **Apply:** https://job-boards.greenhouse.io/cresta/jobs/4145762008 ## Job description 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](https://www.linkedin.com/in/pingwu/), 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. ## About Cresta ## Company Overview - **One-liner**: Cresta is the generative AI platform for customer experience, unifying human and AI agents to drive measurable business outcomes for the world's largest enterprises. - **Entity Type**: Private (Series D, $125M raised in 2024) - **Headquarters**: Sunnyvale, California, USA (with additional offices in San Francisco, New York, Toronto, London, Berlin, Bucharest, Cluj-Napoca, Tokyo, Taipei, Melbourne) - **Founded**: 2017 - **Founders**: Zayd Enam, Sebastian Thrun, Tim Shi ## Core Business - **Primary industry**: Generative AI for Customer Experience (CX) / Contact Center AI - **Target customers**: Enterprise (Fortune 500), B2B; verticals include customer service, sales, collections - **Mission or purpose statement**: "Turn every conversation into a competitive advantage" by combining the best of human intelligence and AI. ## Products & Services - **Cresta AI Agent**: Autonomous voice and digital agent that resolves customer conversations end-to-end (SaaS/AI agent). - **Cresta Agent Assist**: Real-time AI guidance, suggestions, and knowledge for human agents during live conversations (SaaS). - **Cresta Conversation Intelligence**: AI that analyzes 100% of conversations to surface insights, behaviors, and revenue opportunities (SaaS). - **Cresta Knowledge Agent**: Proactive, real-time answers from enterprise knowledge bases delivered to agents (SaaS). - **Cresta Quality Management**: Automated QA across 100% of contact center conversations (SaaS). ## Market Standing - **Valuation/Market Cap**: Not publicly disclosed - **Key Metric**: Total funding raised $270M+ (as of 2026) - **Notable Investors**: Sequoia, Greylock, a16z, Tiger Global, World Innovation Lab (WiL) - **Growth Signals**: - 600+ employees across 10+ global hubs - Expanded into APAC and EMEA markets in 2025 - Partnerships with TELUS Digital (June 2026) and New York Mets (June 2026) - Launched Conductor (AI agent development tool) in June 2026 - Reported 20% higher revenue and 30pt NPS improvement for customers ## Competitive Advantages - **Real-time transformer-based models** deployed at scale since 2018 (Intuit was first customer) - **Patented conversational AI technology** (multiple patents secured) - **Unified platform** that combines AI agents, human agent assist, and conversation intelligence - **Human-centric AI approach** differentiating from pure automation players - **Fortune 500 trust** and deep enterprise integrations ## Strategic Focus - **Accelerate adoption of human-centric agentic AI** across global enterprises - **Expand globally** with new hubs in APAC and EMEA - **Continue product innovation** (e.g., Conductor for AI agent development, voice AI enhancements) - **Deepen partnerships** with system integrators and telcos ## Why Work Here - **Mission-driven culture**: "Mission is the boss" – decisions align with company goals, not hierarchy - **Flexible work**: Hybrid model with many fully remote roles; offices in major cities worldwide - **Global team**: 10+ hubs across North America, Europe, Asia, and Australia - **Perks & benefits**: Multiple medical/dental/vision plans, inclusive parental leave, generous time-off policy, workspace support, learning opportunities (hackathons, guest speakers) - **Growth mindset**: Autonomy, high-impact roles, and continuous learning encouraged - **Engineering culture**: Strong emphasis on AI/ML, real-time systems, and building at scale ## Sources 1. [Cresta Careers Page](https://cresta.com/careers) 2. [Cresta About Page](https://cresta.com/about-us) 3. [Cresta Official Website](https://cresta.com/) 4. 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