Sr. AI Engineer (Fullstack)

As the global leader in AI-powered customer experience assurance, we help some of the world's most recognized brands deliver seamless, reliable, and engaging interactions across voice, digital, messaging, and AI-powered channels. Every year, our platform helps optimize hundreds of millions of customer journeys, ensuring businesses can confidently deliver exceptional experiences at scale.
As enterprises race to deploy agentic AI, the defining question is no longer whether AI can handle customer interactions, it’s whether those interactions can be trusted. Cyara is the confidence layer that answers that question, testing AI agents with AI agents to detect hallucinations, validate decisions, and ensure compliance before failures ever reach your customers.  
 
Joining Cyara means helping shape the future of customer experience, partnering with some of the world’s biggest brands, and working alongside passionate, talented people who are committed to making every customer interaction better.

Primary Skills:
5+ years of strong exp in AI & Full stack environment. AI/ML & Generative AI Expertise Extensive professional experience in Machine Learning, Generative AI, and Natural Language Processing (NLP) with Python Proven, hands-on experience designing and implementing solutions using LLMs (e.g., RAG systems, fine-tuning, prompt engineering). Deep understanding of ML and LLM/NLP evaluation techniques (e.g., precision, recall, F1 and metrics for assessing hallucination, relevance, and context). Demonstrable experience integrating AI/ML models into applications via APIs, microservices, and other integration patterns. Experience analyzing and benchmarking model performance across multiple datasets and use cases. Strong understanding of AI trustworthiness principles, including model accuracy, interpretability, robustness, and responsible AI practices

Secondary Skills:
Fullstack Expertise Extensive professional experience in full-stack development. Strong proficiency in backend development with NodeJS. Strong proficiency in front-end development with React. Deep experience with database design and management, specifically Postgres and general SQL. Proven experience with cloud platforms, specifically AWS (e.g., EC2, S3, Lambda, RDS, Bedrock, SageMaker). Proven track record in designing and maintaining enterprise-grade, scalable web applications. Experience with containerization (Docker, Kubernetes). Good to have skills - AI Agents, Agentic AI, MCP

Why you should join us:  
Looking for a place where your ideas matter, your growth is accelerated, and your work creates real impact? Welcome to Cyara. 
 
We're building the assurance layer that gives enterprises the confidence to deploy agentic AI at scale with a global team that values curiosity, collaboration, and continuous learning. Whether you're launching new ideas, solving complex problems, or learning from talented colleagues across the world, you'll be surrounded by people who challenge and support you to do your best work. 
At Cyara, inclusivity isn't a buzzword, it's part of who we are. We foster a culture where everyone feels seen, heard, and empowered to contribute. Pair that with competitive pay, comprehensive benefits, flexible work options, recognition programs, and a strong focus on employee well-being, and you've got a workplace designed for both success and fulfilment. 
 
Big opportunities. Real impact. Amazing people. That's the Cyara experience. 
 
Cyara’s Diversity, Equity, Inclusive and Belonging Statement: 
At Cyara, we are dedicated to fostering a workplace that embodies equal opportunity and champions diversity, equity, inclusion, and belonging (DEIB). We strive to cultivate an environment where every individual feels valued, respected, and empowered to bring their whole selves to work, contributing unique perspectives and talents. Our commitment includes continuously evaluating and enhancing our policies, practices, and culture to align with our DEIB principles. We ensure a discrimination-free environment where individuals are evaluated solely on their merits and abilities, regardless of legally protected statuses such as sex, race, color, ethnicity, national origin, age, religion, disability, sexual orientation, gender identity, veteran status, or medical condition. By celebrating our differences and championing inclusivity, we enrich our organization, make more thoughtful decisions, and drive collective success.  
 
Cyara’s Values Statement:At Cyara, our values shape everything we do. We're passionate about Delivering Excellenceby putting the customer first, collaborating globally, and always striving to improve.We take smart risks andInnovate Boldly, setting new standards and learning from every experience.Integrity Firstis our cornerstone, we value humility, authenticity, and respect for diversity, building trust in all we do. We Embrace Curiosity by empowering you to experiment, learn, and grow in a dynamic environment. At Cyara, our values drive us forward, shaping a culture where innovation and excellence thrive.  
 
Agencies: Thanks, but we’ve got this one!  Please, no phone calls or emails to any employees of Cyara outside of the Talent Acquisition team.  Cyara’s policy is to only accept resumes from Agencies via the Cyara Agency Portal. Agencies must have a valid fee agreement in place, and they must have been assigned the specific requisition to which they submit resumes, by the Cyara Talent Acquisition team before submitting any CVs. Any resume submitted outside of this process will be deemed the sole property of Cyara and, in the event, a candidate is submitted outside of this policy is hired, no fee or payment of any kind will be paid.