Senior Data Scientist

SIMPLE is a successful mobile product with over 15 million unique downloads, more than 300K 5-star reviews, and over 50% year-over-year revenue growth.
It offers judgment-free, gentle guidance toward balanced nutrition, a healthy relationship with food, and ultimately, improved health and well-being. Built with flexibility and convenience in mind, the app is a safe and supportive space to get actionable feedback, learn, and increase confidence. SIMPLE’s method is shaped by a global team of nutrition, behavior change, digital health, and medical experts. The journey is enhanced through Avo, a personal wellness assistant within the app that provides timely suggestions and real-time answers. 

We are looking for a talented Senior Data Scientist who will join our team to ensure the quality and continuous improvement of our technologies.

Responsibilities:

• Develop and deploy machine learning models to production, utilizing modern data science techniques to solve business challenges, create services, and monitor pipelines;
• Collaborate with development, analytics, and business teams to understand their needs and requirements.

Requirements:

• 4+ years of experience in Data Science;
• Strong proficiency in machine learning algorithms;
• Expertise in at least one machine learning domain (e.g., recommendation systems, tabular data and “product” ML such as LTV, dynamic pricing, time-series analysis, reinforcement learning);
• Solid understanding of ML system design and architecture;
• Extensive experience with Python, core ML libraries (e.g., TensorFlow, PyTorch, Scikit-learn), SQL, Git, and Docker;
• Strong problem-solving skills, attention to detail, and a commitment to delivering high-quality work;
• Ability to work with large language models (LLMs), including writing prompts, creating functions, and fine-tuning models when necessary;
• Results-driven and impact-oriented mindset.

Preferred:

• Experience with Go (Golang) programming.

Perks and benefits: 

• Competitive salary package commensurate with experience, plus stock options;
• The equipment you need to do your job;
• A premium Palta Family subscriptions (Simple, Flo, Zing etc.);
• 21 days annual leave, plus bank holidays;
• Office in Limassol (Hybrid Work Format) or Remote Option for Candidates Residing Outside of Cyprus.

About our values:

• Think deeper: We understand that in order to grow we need to make all our decisions reality-based and change our opinion based on what we learn. We appreciate data coming in various forms – quantitative and qualitative, feedback from users and colleagues, and strong and weak signals.We treat data as the main source for leveraging insights and expect people at every level to have conversations that start with data.
• Focus on impact: Results and speed matter. When we are competing to become an A-player in the digital health market, we don’t have the luxury of deliberation. We need to make decisions and changes quickly and, swiftly learn from our mistakes.We prioritize what will have the greatest impact and aren’t distracted by anything else. We create products that benefit users while we are meeting our metrics.
• Take ownership: We seek to improve all facets of our company even in ways beyond our job description. We seek and take responsibility for our actions and their impact. We value and set high expectations for our own work so that it can add to the overall quality and innovation results of the team. Each one of us is empowered to make this company a success, take the lead to resolve disagreements and systemic issues.
• Push the limits: We encourage our team to explore new ideas, challenge conventional thinking, and continuously improve work. This mindset can lead to breakthroughs in product development, improved operational efficiency, and increased competitiveness in the market. We believe that a culture and mindset of constantly striving to exceed existing standards, boundaries, or expectations that include innovation, experimentation, and a willingness to take risks, can bring us success. We don't accept what someone says as truth if we disagree with it, no matter what authority that person has in the company and express ourselves directly, not through back channels. We challenge ideas, from policy to product decisions, and always seek to understand the reason behind what we do.
• Be a Championship Team: As a part of the championship team, you must improve your own performance constantly also know your teammates, their talents and skills and be focused on a common goal and how to achieve it together. We hold each other accountable for our contribution to the shared success or failure, and we constantly look for ways to help our colleagues to improve and for us to perform better as a team. We collaborate within the team in order to compete with challengers in the outside world. We build relationships of trust. We provide our teammates with the autonomy and support they need to deliver their part of the goal.