This role is ideal for a mid-level Machine Learning Scientist with at least 4 years of experience, a strong background in AI, data science, or predictive modeli
Work type: hybrid
Location: Sofia
Type: Full-time
This role is ideal for a mid-level Machine Learning Scientist with at least 4 years of experience, a strong background in AI, data science, or predictive modeling, and an advanced degree in a quantitative field. The ideal candidate is passionate about deploying cutting-edge ML and generative AI solutions at scale and thrives in a collaborative environment. Key highlights include a comprehensive social benefits package, generous paid vacation, and opportunities for professional growth through learning and development programs. The position offers a hybrid work arrangement in Sofia and flexible working hours. You might be a good fit if you... * Have an advanced degree and 4+ years in AI, data science, or predictive modeling. * Are proficient in Python, Spark (pySpark), and AWS for large data analysis and model development. * Have experience with Generative AI tools, prompt engineering, fine-tuning, and RAG. * Enjoy collaborating with cross-functional teams to bring new solutions to market.
## Job Description
<p>Our Experian Software Solution's Analytics Services Team supports advanced analytic and generative AI products for decisioning, analytics, fraud, and identity globally.</p><p>As a <strong>Machine Learning Scientist</strong>, you will design, build, and deploy cutting‑edge machine learning and generative AI solutions at scale. You will combine deep data science expertise with ML engineering and data engineering capabilities to deliver production‑ready models, prototypes, and platform capabilities. You will also partner with cross‑functional teams to support new global product launches, client implementations, and early client adoption. You will report to the Director of Data Science and Gen AI.</p><p><strong>What you'll do:</strong></p><ul><li>You will partner with data scientists and then expand to cover packaging and productization of additional analytics solutions.</li><li>You would deliver the last mile of those innovations, ensuring that production code is executed within the Ascend platform and software that Experian delivers to clients.</li><li>Collaborate with Engineering, Research, and Data Science teams in the design and implementation of Machine Learning, Dashboarding, Ad Hoc Analysis and AI applications in a cloud-native big data (AWS) computing platform.</li><li>Partner with Leaders, Analytic Consultants, Engineers, Account Executives, Product Managers, and external partners to bring new solutions to market that provide impact to Experian's broad client base.</li><li>Craft advanced machine learning analytical solutions and prototypes to extract insights from diverse structured and unstructured data sources. Articulate model processes and outcomes, documenting and presenting findings and performance metrics, and translating complex findings into relevant insights.</li><li>Use Gen AI and model development tools to develop new models and to prototype and deploy new generative capabilities, including prompt engineering, fine‑tuning, RAG, and model evaluation frameworks.</li><li>Develop production-quality code following software engineering best practices, including modular design, version control, code reviews, and automated testing, ensuring reliability and reproducibility.</li><li>Communicate model methodologies, assumptions, performance, and trade-offs to both technical and non‑technical stakeholders. Deliver clear documentation and translate complex concepts into insights.</li><li>Design and implement advanced algorithms to solve complex challenges, exploring methods across supervised, unsupervised, deep learning, graph analytics, anomaly detection, and reinforcement learning.</li><li>Contribute to feature and platform evolution by gathering feedback from clients and our teams, helping prioritize enhancements across Experian's ML and AI ecosystem.</li></ul>
## Qualifications
<p><strong>What you'll bring:</strong></p><ul><li>4+ years of experience in AI, data science, or predictive modeling, with a track record for managing complex, hands-on analytical technology, innovation, and client-focused projects;</li><li>Advanced degree in Machine Learning, Data Science, AI, Computer Science, or a related quantitative field;</li><li>Statistical modeling proficiency in at least one programming language, with coding skills in Python,and proficiency with distributed computing frameworks (AWS). Experience with large data analysis using Spark (pySpark preferred) and model development using Python or SAS;</li><li>Experience applying Generative AI-based tools and rapid prototyping of new concepts;</li><li>Having some background in model risk management / governance processes, regulatory requirements, and LLM advances.</li></ul>