Data Scientist (Prompt Engineer)
We are looking for a Prompt Engineer to enhance our AI-driven solutions across two powerful Ukrainian products:
🚀Yespo (eSputnik) — an omnichannel Customer Data Platform (CDP) that has evolved over the past 10+ years from a startup into a Ukrainian market leader for ecommerce. As we expand into European and US markets, we are scaling AI-powered features to bring even greater value to businesses.
🚀Reteno — an innovative user retention platform for mobile apps. Leveraging AI-generated content, Reteno enables businesses to quickly create and deploy personalized campaigns that engage their audiences with precision.
🔍Who We’re Looking For
We thrive on innovation and ownership. Our ideal candidate is results-driven, proactive, and comfortable making independent decisions while tackling complex AI challenges. If you’re passionate about AI, prompt engineering, and shaping the future of AI-driven user experiences, this role is for you!
To Achieve Results, You’ll Need:
⭐️Experience with AI: Hands-on experience engineering prompts, and building agentic flows for generative AI models (e.g., OpenAI’s GPT, Claude, Gemini, or open-source LLMs like Llama)
⭐️Technical Proficiency: Proficiency in Python and experience with AI model APIs (e.g., OpenAI, Anthropic). Experience with AI workflow orchestration tools is a plus
⭐️Data Analytical Skills: Ability to analyze complex data sets to extract actionable insights and drive AI-generated output improvements
⭐️Communication Skills: Strong verbal and written communication skills, able to explain complex technical details. Upper intermediate English level
⭐️Innovative Problem-Solving: Ability to think creatively to solve problems and innovate new ways to integrate AI technology into the product
Key Responsibilities:
✏️Prompt Design and Optimization: Develop, test, and refine prompts systematically using prompt evaluation tools and A/B testing methodologies
✏️AI Performance Evaluation: Measure AI performance using qualitative and quantitative metrics, including accuracy, relevance, and user engagement. Define strategies to reduce AI hallucinations and biases
✏️User-Centric AI Development: Work closely with UX/UI designers to ensure smooth and intuitive interactions with the AI and improve user satisfaction
✏️Training and Documentation: Document best practices for prompt engineering, maintain an internal knowledge base, and train team members on AI capabilities
✏️Feedback Analysis: Implement structured feedback loops to analyze AI responses, detect patterns of failure, and systematically improve AI-generated content
✏️Cross-functional Teamwork: Work across functions with product managers, developers, technical writers, and marketers to integrate AI smoothly into the product
✏️Innovation and Research: Regularly experiment with cutting-edge AI models, prompt strategies, and fine-tuning techniques. Identify opportunities for proprietary AI applications within the company
Why Join Yespo?
✔️Work on Cutting-Edge AI Innovations: Be at the forefront of AI-driven solutions in customer engagement and retention. Your expertise in prompt engineering will directly shape the future of automated personalization, conversational AI, and intelligent marketing automation.
✔️Global Impact & Growth Opportunities: We are expanding into European and US markets, exposing you to international challenges and the opportunity to build AI-powered solutions at scale. You’ll work in a fast-evolving industry, gaining skills that put you ahead in the AI field.
✔️Continuous Learning & Development: We invest in talent. Whether it’s AI research, prompt engineering advancements, or technical deep dives, we cover educational courses, workshops, and professional literature to help you grow. Plus, we cover 50% of English language training costs to support your global career development.
✔️Collaborate with Experts: Join a team of skilled engineers, AI researchers, and product innovators who are passionate about pushing the boundaries of generative AI. Your ideas will be heard, tested, and implemented in real-world applications.
Other Benefits:
⚡️ Flexible work setup — Work remotely or from our office in Dnipro’s city center.
⚡️ Work-life balance — A flexible schedule with a focus on results, not micromanagement (40 hours per week).
⚡️ 18 paid vacation days
⚡️ Supportive culture — No unnecessary control, just autonomy and trust in your expertise.
Your skills and ideas can drive real innovation. Work on exciting AI projects, shape the future of marketing automation and make a real impact.
This is more than just a job — it’s a chance to be part of something big. Ready to build the future with us? Let’s get started! 🚀