Regeneron Pharmaceuticals, Inc

Lead Applications Developer

Regeneron Pharmaceuticals, Inc$109K — $179K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's Degree or higher with 4+ years of relevant IT experience building cloud-native applications
  • Proficient in Python and TypeScript
  • Experience with REST API design and development, including service integration patterns
  • Familiarity with AI tooling, especially LLM-assisted development like Claude Code or GitHub Copilot
  • Hands-on experience with relational databases such as PostgreSQL or MySQL and cloud data warehouses like Redshift or Snowflake
  • Knowledge of Docker and AWS cloud services for infrastructure management

Responsibilities

  • Develop APIs and services for a shared platform supporting research teams working with large-scale genetic data
  • Maintain cloud-based data pipelines on AWS, ensuring reliable and performant data movement
  • Integrate AI tooling into daily development workflows, leveraging LLM-assisted coding
  • Design and build production APIs, integration services, and microservices in a cloud environment
  • Collaborate with scientists and engineers to gather requirements and deliver impactful solutions
  • Write testable and maintainable code, ensuring high-quality outputs
  • Engage in collaborative decision-making within the team

Benefits

  • Hybrid work schedule with 4 days per week on-site
  • Opportunity to work with cutting-edge AI and genomic data technologies
  • Collaborative and supportive team environment
  • Focus on continuous improvement and quality in technical output
Full Job Description
When & where:
  • Work Location: Tarrytown, NY
  • Hybrid: 4 days per week on site


Discover your role:

  • API and service development across a shared platform that research teams use to access and work with large-scale genetic data.
  • Cloud-based data pipeline work on AWS, keeping high-volume genomic data moving reliably and performantly.
  • Using AI tooling as part of your day-to-day development workflow - from LLM-assisted coding to reviewing and supporting AI-powered capabilities on the platform.
  • Solid fundamentals at the API and data layer. You've built production APIs, integration services, and pipelines in the cloud as microservices.
  • Comfortable with AI-first development. You use tools like Claude Code as a core part of how you work - not occasionally, but throughout planning, implementation, and review.
  • Good technical depth across the stack. API design patterns, distributed systems, cloud-native development on AWS - you can contribute without needing everything handed to you.
  • Works well as part of a team. Decisions here are collaborative. You do good work in that kind of environment.
  • Cares about quality seriously. You write things that can be tested and maintained.
  • Working directly with scientists and engineers to understand requirements and deliver meaningful solutions to improve our scientific discovery process.


This role requires:
  • Bachelor's Degree or higher with at least 4 years of relevant IT experience building cloud-native applications. Candidates must have hands-on experience with:
  • Languages & Runtimes: Python, TypeScript
  • API & Integration: REST API design and development, service integration patterns
  • AI Tooling: LLM-assisted development tools (e.g. Claude Code, GitHub Copilot), AI/ML service integration
  • Data & Databases: PostgreSQL or MySQL, Redshift or Snowflake, ETL orchestration
  • Infrastructure: Docker, AWS cloud services


Salary Range (annually)
$109,900.00 - $179,300.00

About Regeneron Pharmaceuticals, Inc

Regeneron Pharmaceuticals is a biopharmaceutical company that discovers, develops, and commercializes pharmaceutical products for the treatment of serious medical conditions. The Company has therapeutic candidates in clinical trials for the potential treatment of cancer, eye diseases, and inflammatory diseases, and has preclinical programs in other diseases and disorders. The company’s product portfolio includes EYLEA, an aflibercept injection; ARCALYST, a rilonacept Injection for subcutaneous use; ZALTRAP for metastatic colorectal cancer; trap fusion proteins; and fully human monoclonal antibodies. On March 26, 2012, it was announced that Sanofi and Regeneron are in development with a new cholesterol drug which will help reduce cholesterol up to 72%. Regeneron Pharmaceuticals was founded in 1988 and is currently headquartered in New York, USA.

Regeneron Pharmaceuticals, Inc Careers

Join the innovative team at Regeneron Pharmaceuticals, Inc, a leading biotechnology company renowned for its commitment to science-driven solutions. This is an unparalleled opportunity to advance your career with a company at the forefront of medical breakthroughs and clinical research.

Work You’ll Do

At Regeneron Pharmaceuticals, Inc, you will collaborate with some of the brightest minds in the industry, engaging in work that directly contributes to the health and well-being of populations globally. Our diverse team of professionals is dedicated to pioneering developments in biotechnology through continuous innovation and rigorous research.

Explore Job Opportunities and Growth

Regeneron offers a variety of job opportunities that encourage professional growth and personal achievement. Whether you're seeking an entry-level position or a more senior role, you will find a path that aligns with your career ambitions and skills. Our supportive culture emphasizes leadership development and diversity training, ensuring every team member can thrive.

Internship Programs

Kickstart your career with a Regeneron internship. Our programs provide invaluable industry experience, mentoring from seasoned professionals, and opportunities to develop skills that are crucial in the biotech field. Interns at Regeneron gain hands-on experience, contributing to projects that matter.

Benefits and Culture

Choosing to work at Regeneron Pharmaceuticals, Inc means choosing a career that comes with competitive benefits designed to support you both professionally and personally. We offer comprehensive health benefits, retirement plans, and wellness programs. Our inclusive culture fosters an environment where every employee can flourish, driven by collaboration and mutual respect.

Innovation and Leadership

Lead the way in biotechnological innovation with Regeneron. Our leadership is constantly looking towards the future, investing in cutting-edge technology and research that pave the way for medical advancements. At Regeneron, leadership and innovation go hand in hand, creating a dynamic where breakthroughs are common.

Networking and Professional Development

Enhance your professional network and skill set through Regeneron’s extensive networking opportunities and ongoing professional development programs. We believe in nurturing our talent with advanced training sessions and regular workshops that cover the latest trends and technologies in the biotech industry.

Join Our Team

Discover the impact you can make in a career at Regeneron Pharmaceuticals, Inc. Search for open positions that match your skills and interests. We are continuously hiring and looking for passionate, curious, and innovative team players.

Stay Connected

Keep up to date with the latest at Regeneron by following our careers blog. Gain insights from the experts and learn more about the exciting world of biotech at Regeneron Pharmaceuticals, Inc.

Prepare for Your Interview

Ready to join us? Prepare your resume and refine your interview skills to become part of a company that’s dedicated to changing lives. Personalize your job search and get tailored job alerts directly to your inbox, so you never miss an opportunity to be part of our team. At Regeneron Pharmaceuticals, Inc, your career is poised for tremendous growth and innovation. Explore the opportunities today and be part of a team that’s shaping the future of biotechnology.
Learn more about Regeneron Pharmaceuticals, Inc
Size
10,368 employees
Market Cap
$78.1 billion
Industry
Net Income
$3.5 billion
Founded
1988
5 Year Trend
+27%
Revenue
$8.4 billion
NASDAQ

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