• Develop and maintain our full-stack applications in the modern JavaScript/TypeScript ecosystem • Design and implement scalable backend services with Node.js and Nest.js • Implement high-performance frontend solutions with React.js and Next.js • Design and optimize relational databases (PostgreSQL, MySQL, MS SQL) • Containerize and orchestrate services using Docker and Kubernetes • Develop and integrate REST APIs • Build and operate data pipelines, feature stores and ML workflows for our agentic systems • Develop, train and evaluate machine-learning models for marketing use cases (attribution, targeting, forecasting, anomaly detection) • Implement retrieval-augmented generation pipelines (embeddings, vector stores, re-ranking) • Set up and maintain LLM evaluation frameworks, prompt optimization and systematic quality benchmarks • Apply code harnesses (in particular Claude Code and Codex) in the daily development process — from planning through implementation to code review • Work closely with the founding team on the product architecture of agentic systems

MAIN REPONSIBILITIES / DUTIES Medical Information (MI) is a global, customer‑focused group responsible for responding in either local language or English to unsolicited medical inquiries regarding Pfizer products from customers, including consumers and healthcare professionals (HCPs), where acceptable. Medical Review responsible for reviewing, analyzing, and validating promotional, non-promotional, and other content for scientific accuracy and compliance. The responsibilities of the Medical Information and Review Scientist (MIRS) include: - MI frontline and digital Customer Experience activities to provides technical and medical information to HCP and patients/caregivers with high a degree of quality and customer service in the local language. The MIRS may also assist with secondline escalation and content management activities. - In addition, the responsibilities include medical review and approval of promotional and non-promotional marketing materials as well as Medical to Medical content in line with local product label information and applicable country law, industry code and regulatory requirements. The MIRS role works closely with Medical Information Managers, Medical Review Managers, Commercial/Marketing and Medical Affairs colleagues, Country and Cluster Relationship Managers, and relevant stakeholders in alignment with defined processes and standards. Customer Facing Medical Information Request Management: - Research and respond to multiple channels including (but not limited to) phone, email, webform, live chat or postal mail, within the required timelines and quality standards. - Exhibit broad understanding and knowledge of common product information. - Accurately and completely document inquiries and responses according to applicable Standard Operating Procedure (SOPs), Work Instructions (WIs), and regulatory requirements. - Identify and record and report adverse events and product quality complaints according to established processes, within required timelines. - Provide timely responses to customers in the required language as per market, utilising approved source documents in English. - May support a therapeutic area team with MI secondline activities including (but not limited to) escalation management and content creation. Review of promotional and non-promotional materials - Use scientific expertise and medical knowledge to perform in-country medical review and approval services in the designated electronic approval system to support the appropriate use of Pfizer medicines and successful implementation of Pfizer's materials, initiatives, and programs in-country. Independently perform fact-check, scientific review and medical approval of promotional and medical materials and activities in line with local product label information, country-specific code and regulatory requirements - Provide solution-focused feedback and recommendations to material owners that enable revisions to be made so that messages in materials ensure the appropriate use of Pfizer medicines and compliance with local code/regulations. - Acquire and maintain scientific knowledge of Pfizer medicines (including those in development) as well as of key competitors and national guidelines relevant to the country. - Liaise with local health authority/regulatory agency as applicable. - Ensure handling of complaints related to promotional materials together with the Country Medical Lead. - Collaborate with Medical and Marketing teams during assigned review workflows using approved internal review systems. - Deliver assigned Medical Review tasks within agreed timelines, promptly escalating risks, information gaps, or quality concerns to appropriate Medical Review leads. - Maintain working knowledge of Medical Review processes and systems in accordance with Pfizer standards. - Monitor milestones, identify potential risks, and assist in their resolution. - Conduct quality control assessments of assigned deliverables as required. General Responsibilities - Maintain compliance with corporate and departmental trainings, SOPs and WIs. - Support audit and inspection preparation and readiness activities, as well as product launch readiness activities. - Contribute to local, regional and global MI&R awareness initiatives. - May support Country Relationship Management for a specific market(s) - Act as a point of contact for other MI&R colleagues, ensure country specific data is relevant and up to date and MI&R is informed of any country-based issues in atimely manner. - Ensure the availability, accuracy, and maintenance of medical content on MI digital platforms and self-service activities. - Participate in regional and global projects aimed at identifying local requirements for continuous improvement based on team needs. - Identify and analyze MI&R insights and communicate key information to relevant stakeholders. - Represents Pfizer by providing live/virtual MI support at scientific conventions/congresses. - Collaborate and/or provide training and support activities as needed. - May be required to support with project management and/or some administrative activities. - Support innovative MI&R projects that drive our vision and mission. Digital, AI, and Innovation Responsibilities - Demonstrate AI fluency by appropriately using approved AI tools and systems for identified used-cases, implement AI-based innovations in alignment to organizational vision and compliance with Pfizer policies. - Identify, evaluate, and support AI-enabled opportunities to enhance efficiency, quality, and consistency across Medical Information & Review activities, including content development, insights generation, and operational processes. - Contribute to AI adoption and capability building by sharing learnings, best practices, and practical use-cases with colleagues to promote responsible, value‑driven AI utilization within the organization. - Proactively participate in training and development initiatives that support Pfizer's AI fluency and digital transformation goals. EDUCATION & EXPERIENCE • Life science graduate preferred. PharmD, BS or MSc in Pharmacy, or MD/DO strongly preferred. • 1-2 years of medical information, medical review, medical writing, scientific communications or relevant work experience. • Pharmaceutical industry experience and success working in a highly matrixed environment. • Demonstrates effective relationship management and customer orientation. Customer Service experience, preferred • Knowledge of pharmaceutical legislation and guidelines in Europe and local pharmaceutical codes and regulations for the country. • Demonstrates excellent oral and written communication skills, change agility, collaboration and ability to work in a multi-cultural virtual environment. • High level of proficiency in both written and spoken English (C2) and mother tongue level in 2 of the following; Estonian, Lithuanian and Latvian. REQUIRED SKILL SET Functional / Technical Skills: • Staying updated with current medical literature, emerging therapy, technological developments, and trends. • Strong scientific and medical content evaluation skills. • Knowledge of "pharmaceutical medicine" including clinical pharmacology, medical and paramedical sciences, medicine and medical statistics, and relevant therapeutic areas/products. • Experience in medical literature research and evidence synthesis. • Ability to examine and analyse scientific data. • Medical writing and scientific communication skills. • Familiarity with inquiry management and/or content review systems. • Sound medical judgment/decision making. • Understanding of regulatory and SOP‑driven environments. • Strong organizational skills with the ability to prioritize and manage multiple tasks within defined timelines. • Ability to work independently while collaborating effectively with cross‑functional teams. • Familiarity with global and local regulatory guidance (especially ICH, FDA, and EMA) relevant to clinical and safety data. • Interest in legal and regulatory aspects of promotional compliance. Familiarity with local regulation/code preferred • Proficiency with computer and software applications (i.e., Microsoft office), Generative AI tools and keyboarding skills Acts Decisively: Makes timely, sound decisions within defined responsibilities. Seizes Accountability: Takes ownership of assigned work and delivers results with quality. Self‑Awareness: Demonstrates understanding of personal strengths and development areas. Change Agility: Maintains effectiveness in a dynamic, evolving environment. Peer Relationships: Builds constructive and collaborative working relationships. Work Location Assignment: Hybrid Purpose Breakthroughs that change patients' lives... At Pfizer we are a patient centric company, guided by our four values: courage, joy, equity and excellence. Our breakthrough culture lends itself to our dedication to transforming millions of lives. Digital Transformation Strategy One bold way we are achieving our purpose is through our company wide digital transformation strategy. We are leading the way in adopting new data, modelling and automated solutions to further digitize and accelerate drug discovery and development with the aim of enhancing health outcomes and the patient experience. Flexibility We aim to create a trusting, flexible workplace culture which encourages employees to achieve work life harmony, attracts talent and enables everyone to be their best working self. Let's start the conversation! Equal Employment Opportunity We believe that a diverse and inclusive workforce is crucial to building a successful business. As an employer, Pfizer is committed to celebrating this, in all its forms - allowing for us to be as diverse as the patients and communities we serve. Together, we continue to build a culture that encourages, supports and empowers our employees. Disability Inclusion Our mission is unleashing the power of all our people and we are proud to be a disability inclusive employer, ensuring equal employment opportunities for all candidates. We encourage you to put your best self forward with the knowledge and trust that we will make any reasonable adjustments to support your application and future career. Your journey with Pfizer starts here! Medical

• Design, implement, and improve machine learning Systems. • Contribute to machine learning applications end to end, i.e. from research to prototype to production. • Work with product managers, designers, and customers to define vision and strategy for a given product.

• Design, build, and iterate on ML-based entity resolution systems that match, link, and deduplicate supplier records across disparate data sources to produce trusted golden records • Build, train, and refine NLP and ML models (e.g., XGBoost, search ranking models) for supplier matching, classification, and data enrichment, with a focus on improving accuracy and recall • Evaluate and integrate emerging approaches, including LLMs, into our entity resolution and data intelligence workflows • Own the full ML model lifecycle: feature engineering, training, evaluation, monitoring, feedback loops, and iterative tuning in partnership with data engineering and product teams • Translate model results into business impact and clearly communicate tradeoffs, performance metrics, and recommendations to non-technical stakeholders • Build and maintain data products end-to-end, operationalize them within production data pipelines, and ensure they deliver reliable, scalable results • Execute and influence a cohesive data strategy that aligns with company objectives and supports analytics, reporting, and downstream product use cases • Own complex data modeling initiatives, including dimensional and analytical models that support business intelligence and advanced analytics • Drive continuous improvement by optimizing data pipelines, query performance, reliability, observability, and cost efficiency • Partner with Infrastructure, Product, and Engineering teams to ensure data systems meet best practices, security standards, and business needs • Create and maintain comprehensive technical documentation, including architecture diagrams, data flow maps, runbooks, and operations procedures • Troubleshoot and resolve complex, cross-system data issues and incidents.