Principal Software Engineer

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October 13

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Sayari

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Science • B2B

Sayari is a French environmental consultancy and research bureau that helps organizations operationalize the latest scientific advances for sustainable decision-making. The firm develops environmental data, conducts life-cycle assessments, and builds strategies for product environmental impact, biodiversity, and water resilience. Sayari serves public actors, large companies, SMEs and startups by delivering bespoke studies, tools and trainings to anticipate regulation, improve performance, and enhance attractiveness to investors and stakeholders. Headquartered in Saint-Germain-en-Laye, France, Sayari participates in national initiatives such as AGRIBALYSE and environmental footprint committees.

1 - 10 employees

🔬 Science

🤝 B2B

📋 Description

• Architecting solutions that are robust, scalable, and thoroughly tested. Contribute directly to expanding the functionality and performance of our code base. • Integrating AI tools and agents into our development workflows, from intelligent code completion & testing automation, to data-driven insights that inform our architectural decisions • Collaborating with our Product and Design teams to evolve our platform roadmap, ensuring product goals are translated into tractable features that appropriately reflect our application's data model and capabilities. Identify capacity constraints to inform development sequencing and prioritization. • Evaluating end-to-end technical designs for strengths and weaknesses (complexity, consistency, correctness, scalability, and performance) • Leading and mentoring junior and mid-level engineers, fostering a culture of technical excellence, continuous learning and collaborative problem-solving. • As one of our key technical leaders, this role will guide the team on best practices, architectural decisions, and adoption of new technologies. You will help in driving code reviews, providing constructive feedback, and creating opportunities for skill development across the team.

🎯 Requirements

• 10+ years of industry experience in software development, including as both an individual contributor and managing or mentoring other developers • Demonstrated experience implementing AI solutions into internal tooling & external products • 1+ years experience with Generative AI models and techniques, such as LLMs, fine-tuning, RAG, prompt engineering, guardrails, distillation, and agent frameworks • Strong expertise and use of Typescript and/or Javascript • Experience with backend web development and architecting REST APIs • Deep understanding and proficiency with SQL and NoSQL databases, including Postgres, Cassandra, Elasticsearch, Databricks, Snowflake, and/or Cypher-based graph databases • Experience managing software in cloud environments such as GCP, AWS, or Azure • Experience conducting code reviews and unit testing

🏖️ Benefits

• 100% fully paid medical, vision, and dental for employees and their dependents • Generous time off; we observe all US federal holidays, close our office for a winter break (12/24-12/31), in addition to granting 18 PTO days and 10 sick days • Outstanding compensation package; competitive commissions for revenue roles and quarterly bonuses for non-revenue positions • A strong commitment to diversity, equity, and inclusion • Eligibility to participate in additional benefits such as 401k match up to 5%, 100% paid life insurance (up to $100,000 coverage), and parental leave • A collaborative and positive culture - your team will be as smart and driven as you • Limitless growth and learning opportunities