Lead Applications Developer

Regeneron
Tarrytown, NY

Lead Applications Developer (Tarrytown, NY)

Regeneron Genetics Center LLC seeks a Lead Applications Developer (Tarrytown, NY) to build tools and APIs to interact with our vast amounts of genetic data. Create solutions across the entire stack from web applications to cloud based APIs and services using TypeScript, Python and AWS services. Generate innovative approaches to managing and querying big data. Develop decoupled UIs written in React. Engage with internal clients to understand use cases and gather feedback. Utilize AWS services such as Athena, Redshift, Aurora, Lambda, and ECS to develop containerized and serverless applications in the cloud. Coordinate and execute multiple initiatives in an agile environment. Coordinate cloud based (AWS) infrastructure with DevOps team. Monitor emerging technologies for strategic integration into our tech stack. Ensure alignment to architecture guidelines and frameworks related to logging, authentication, security, and error recovery. Local telecommuting permitted up to 2 days per week.

SALARY: $189,592 per year

Job Requirements:

Requires a Bachelor’s degree in Computer Science or a related field and 6 years of IT experience. Must have experience with: Cloud-based architecture patterns along with React, JavaScript, Typescript, Python, MySQL/ PostgreSQL, and AWS Services such as Lambda, RDS, or ECS; Using modern JavaScript and TypeScript frameworks like React.js, Angular.js to design and develop web-based applications; Building cloud-native enterprise applications using AWS services such as Lambda, RDS, DynamoDB, and ECS; Backend development using Node.js to support RESTful APIs and microservices; Designing and managing relational databases using MySQL and PostgreSQL to support data intensive applications; Collaborating with DevOps engineers to implement CI/CD pipelines and manage infrastructure as a code using tools such as AWS CodePipeline, CodeBuild, CloudFormation; Developing data processing scripts and backend services using Python; Agile development environment, managing changing priorities while maintaining code quality and project timelines; Leading development initiatives and mentoring junior developers, including code reviews, knowledge sharing, and technical guidance within cross-functional teams; Working directly with stakeholders to translate technical needs into functional applications that enhance data workflows; and Evaluating and adopting emerging technologies to enhance the existing technical stack and support innovation. Must have an AWS Certified Developer certification.

Apply at Reference code: R43004

Does this sound like you? Apply now to take your first step towards living the Regeneron Way! We have an inclusive culture that provides comprehensive benefits, which vary by location. In the U.S., benefits may include health and wellness programs (including medical, dental, vision, life, and disability insurance), fitness centers, 401(k) company match, family support benefits, equity awards, annual bonuses, paid time off, and paid leaves (e.g., military and parental leave) for eligible employees at all levels! For additional information about Regeneron benefits in the US, please visit For other countries’ specific benefits, please speak to your recruiter.
Please be advised that at Regeneron, we believe we are most successful and work best when we are together. For that reason, many of Regeneron’s roles are required to be performed on-site. Please speak with your recruiter and hiring manager for more information about Regeneron’s on-site policy and expectations for your role and your location.

Regeneron is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion or belief (or lack thereof), sex, nationality, national or ethnic origin, civil status, age, citizenship status, membership of the Traveler community, sexual orientation, disability, genetic information, familial status, marital or registered civil partnership status, pregnancy or parental status, gender identity, gender reassignment, military or veteran status, or any other protected characteristic in accordance with applicable laws and regulations. The Company will also provide reasonable accommodation to the known disabilities or chronic illnesses of an otherwise qualified applicant for employment, unless the accommodation would impose undue hardship on the operation of the Company's business.

For roles in which the hired candidate will be working in the U.S., the salary ranges provided are shown in accordance with U.S. law and apply to U.S.-based positions. For roles which will be based in Japan and/or Canada, the salary ranges are shown in accordance with the applicable local law and currency. If you are outside the U.S, Japan or Canada, please speak with your recruiter about salaries and benefits in your location.

Please note that certain background checks will form part of the recruitment process. Background checks will be conducted in accordance with the law of the country where the position is based, including the type of background checks conducted. The purpose of carrying out such checks is for Regeneron to verify certain information regarding a candidate prior to the commencement of employment such as identity, right to work, educational qualifications etc.

Posted 2026-01-26

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