Sr. Developer

Work Schedule Standard (Mon-Fri) Environmental Conditions Office Job Description COMPANY: Thermo Fisher Scientific Inc. LOCATION: 168 Third Avenue, Waltham, MA 02451 TITLE: Sr. Developer HOURS: Monday to Friday, 8:00 am to 5:00 pm DUTIES: Design and implement scalable, distributed data pipelines using AWS services such as S3, Redshift, Glue, Lambda, EMR, Athena, and Kinesis, with transformation logic developed in PySpark, Python, and SQL. Architect and lead the implementation of a comprehensive security framework for the Databricks platform, including identity and access management (IAM), data governance, network security, encryption, and audit controls. Define and enforce enterprise-grade security standards across Databricks workspaces, Unity Catalog, and associated data pipelines, ensuring alignment with organizational policies and industry best practices. Implement and manage user access provisioning and authentication through Microsoft Entra ID (formerly Azure AD), including SCIM-based group provisioning, SSO integration, RBAC policies, and conditional access for Databricks. Apply deep domain expertise in molecule-level data to uncover strategic insights and identify business opportunities across the drug development lifecycle. This includes interpreting and linking molecular entities, manufacturers, regulatory events, and clinical stage indicators to support asset evaluation and portfolio optimization. Lead the design, development, and deployment of generative AI use cases, taking them from ideation through production implementation, ensuring long-term scalability and maintainability. Develop and fine-tune large language model (LLM) applications, including prompt engineering strategies, reusable prompt templates, and context augmentation techniques for improved response accuracy and relevance. Integrate generative AI systems with enterprise data ecosystems using REST APIs, vector databases, knowledge graphs, orchestration frameworks, and other scalable backend components. Establish robust LLM evaluation and monitoring frameworks, defining key metrics for measuring model accuracy, relevance, safety, and overall production performance. Collaborate cross-functionally with engineering, data science, product, and business stakeholders to prioritize and deliver impactful, responsible AI solutions aligned with business goals. Conduct architecture reviews and optimize end-to-end data pipelines and GenAI workflows for cost efficiency, runtime performance, and scalability in multi-cloud environments. Implement CI/CD pipelines using GitHub and GitHub Actions, enabling modular, version-controlled deployment of infrastructure, data products, and AI applications. Develop intelligent knowledge workflows using Flowise, retrieval-augmented generation (RAG), function calling, SQL orchestration, and webhook integrations to support dynamic use cases. Design and build process mining dashboards using Celonis EMS, including KPI definitions, root cause analysis using Process Query Language (PQL), and operational insights. Automate enterprise workflows through Celonis Action Flows, integrating seamlessly with systems like SAP, Salesforce, and other business platforms to enable process optimization. Model enterprise process data within the Celonis Data Model (CDM) and configure scalable data pipelines using Celonis Data Integration for high-performance analytics. Can work remotely or telecommute. REQUIREMENTS: MINIMUM Education Requirement: Bachelor’s degree in Computer Science, Computer Engineering, or related field of study. MINIMUM Experience Requirement: 7 years of Software Engineering, Data Engineering, or related experience. Alternative Education and Experience Requirement: Master’s degree in Computer Science, Computer Engineering, or related field of study plus 5 years of Software Engineering, Data Engineering, or related experience. Required knowledge or experience with: Proficiency in programming languages: Python, R, Scala, and Java. Design and implement scalable, distributed data pipelines using AWS services such as S3, Redshift, Glue, Lambda, EMR, Athena, and Kinesis, with transformation logic developed in PySpark, Python, and SQL. Proficient in Linux/Unix environments with experience in shell scripting (Bash) for automation and system operations. Experienced in working with relational databases such as MySQL, PostgreSQL, and SQL Server, as well as cloud data warehouses like Amazon Redshift. Architect and lead the implementation of a comprehensive security framework for the Databricks platform, including identity and access management (IAM), data governance, network security, encryption, and audit controls. Define and enforce enterprise-grade security standards across Databricks workspaces, Unity Catalog, and associated data pipelines, ensuring alignment with organizational policies and industry best practices. Implement and manage user access provisioning and authentication through Microsoft Entra ID (formerly Azur