Thanks for your interest in joining our team! In the event we are not actively recruiting for a role that aligns with your skill set, please feel free to leave your resume with us. We review these applications periodically and may reach out if your background aligns with a new role. Please note that you will not receive a declination email if your application isn't selected if you apply to this post. About Citrine Informatics At Citrine, we’re using generative Artificial Intelligence to enable our customers to usher in the next generation of sustainable, high-performing materials and chemicals. We’re the leader in AI for materials and chemicals. Our no-code SaaS platform gives product developers, researchers, and engineers access to domain-specific data management and AI tools. Our models propose new ways to combine ingredients and processes that are most likely to outperform, helping companies discover and deploy innovative, sustainable, high-performing materials and chemicals up to 98% faster than traditional R&D approaches. Citrine regularly wins awards for innovation and sustainability, earning spots on the CB Insights AI 100 list and the Inc. 5000 list of fastest-growing private companies in the US. Our customers include leading organizations such as LyondellBasell, Braskem, Grace, Synthomer, and Syensqo. We also collaborate with researchers from world-renowned institutions on cutting-edge research at the intersection of AI and the physical sciences. Our team is ambitious with our goals, passionate about our vision, driven by our sustainability mission, and eager to grow and learn from each other. We’re headquartered in California, with team members throughout North America and Europe. Our Core Values Citrine Informatics recognizes that its most valuable asset is its people. We have created our set of Core Values to encourage, support, and invest in our team as they work to innovate and support a more sustainable world. Our Core Values reflect our ongoing commitment to continuously invest in nurturing our talent and our people-first approach to conducting business. - We take pride in and recognize the successes and growth of ourselves and our colleagues. We support each other in our growth . - We prototype and collect data to make good decisions. We question that data and are constantly iterating to find the best solution. - We are all owners of Citrine and make decisions like owners. We work autonomously with personal and organizational accountability. - We commit to building a diverse and inclusive community within Citrine and actively promote equity and belonging. - We are tirelessly committed to creating value for our customers . - We exist to help our customers accelerate the development of sustainable products that are critical to the future of both our planet and our industry. Our Benefits (for exempt, full-time employees based within the United States) 401k with matching up to 4% Medical, vision, dental insurance (we pay 100% of your premium and 75% of your dependents) Company-paid Life and Disability insurance FSA and HSA plans Equity options within the company 12 weeks of paid parental leave Flexible PTO on top of our 15 paid company holidays (includes your birthday!) Free financial counseling $600 tech allowance Monthly $75 phone reimbursement $5,000 annual continuing educational allowance

This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more. Role Description At Cohort AI, we’re building technology that demands reliability, scalability, and thoughtful engineering. We’re looking for a Senior Software Engineer who brings strong full-stack experience, sharp design instincts, and a passion for building systems that are clean, testable, and production-ready. In this role, you’ll help shape our platform end-to-end—working across backend services, modern front-end interfaces, and the automation pipelines that power delivery. You’ll collaborate closely with product, design, and engineering teammates to turn ideas into dependable software, while helping raise the bar for quality, performance, and security across our stack. - Build and evolve full-stack features using Python/Django on the backend and React on the frontend. - Write clean, efficient, well-tested code that reflects strong engineering standards. - Design and maintain CI/CD workflows to support fast, reliable releases. - Partner with cross-functional teams to refine requirements and translate them into scalable technical solutions. - Review code, champion best practices, and help define engineering standards. - Implement monitoring and performance tooling to ensure smooth user experiences. - Integrate APIs, databases, and third-party services into cohesive systems. - Investigate and resolve issues quickly to keep applications running at peak performance. - Stay current with new tools, frameworks, and architectural patterns. - Support and mentor other engineers while fostering a culture of curiosity and continuous improvement. Qualifications - 5+ years of professional software engineering experience, including full-stack development. - Strong backend development skills with Python and Django. - Solid experience building modern front-end applications, especially with React and ES6+. - Deep understanding of HTML, CSS, and JavaScript fundamentals. - Comfort with version control systems such as Git. - Experience with automated testing and TDD practices (e.g., Jest, Playwright, Testing Library, or similar). - Working knowledge of CI/CD concepts and implementation. - Experience deploying and managing applications in cloud environments such as AWS (EC2, RDS, S3). - Familiarity with containerization and orchestration tools like Docker and Kubernetes. - Experience with relational and NoSQL databases. - Strong grasp of web security fundamentals and common vulnerabilities (XSS, CSRF, etc.). - Familiarity with design and prototyping tools such as Figma, Sketch, or Zeplin. - Strong analytical thinking, problem-solving ability, and communication skills. - Healthcare domain experience is a bonus, not a requirement.

• Work directly with customers to understand their needs and convey those needs to other team members in an understandable fashion • Design and write functional, maintainable code • Works with Product Owners to provide estimates and assess timelines • Work with UX Designers to create engaging software experiences • Be a committed agile teammate that pitches in to help the team reach their goals • Participate in all agile ceremonies, including: planning, pointing, demos, and retros • Enforce industry and company best practices within your team • Prioritize unit tests, both manual and automated, to ensure the highest code quality • Responsible for timely and thorough code reviews • Responsible for documenting all programs to the required company standard • Continually learn and stay up-to-date with the ever-changing technical landscape • Mentor other team members on new technologies and practices • Own the delivery pipeline using CI/CD best practices

• Partner with business and technical stakeholders to deeply understand and translate requirements into scalable data solutions. • Design and document robust, high-performance data architectures that support strategic business outcomes. • Build and optimize production-grade ETL pipelines using Spark and PySpark, ensuring reliability and efficiency. • Develop and maintain data models that enable advanced analytics and reporting. • Write efficient, complex SQL queries (Teradata SQL, Hive SQL, Spark SQL) across platforms such as Teradata and Databricks Unity Catalog. • Implement and manage CI/CD pipelines to seamlessly deploy code artifacts to AWS and Databricks. • Orchestrate and monitor Databricks jobs using Databricks Workflows, proactively troubleshooting and resolving issues. • Contribute actively to Agile ceremonies, including sprint planning, grooming, daily stand-ups, demos, and retrospectives, fostering a culture of continuous improvement.