
Principal / Senior Software Engineer
Flagship Pioneering, Inc.2 months ago
Cambridge, MA, USASenior / Staff+
H1B sponsor
Base Salary
$108k - $209k/yr
Responsibilities
- Lead the design and development of customer-facing features across the front-end and back-end application stack.
- Partner with product managers, designers, and researchers to translate customer needs and product strategy into impactful features.
- Own features from discovery and technical design through implementation, release, measurement, and iteration.
- Manage feature releases, including rollout planning, feature flagging, monitoring, and cross-team coordination.
- Use product analytics, feature experiments, and customer feedback to evaluate and improve features.
- Design scalable architecture for rapidly evolving AI-enabled back-end components.
- Contribute technical insight to user interface, interaction, product, and design decisions.
- Improve application delivery through continuous integration, continuous delivery, automated testing, and operational best practices.
- Use AWS cloud infrastructure to build scalable, reliable, and efficient applications and AI-powered services.
- Maintain high standards of data security, privacy, and compliance across applications.
Requirements
- At least five years of software development experience focused on application development.
- Extensive experience with AWS services such as ECS, S3, and Lambda, or a similar cloud services provider.
- Proficiency in Python.
- Ability to build scalable, efficient, and secure software applications.
- Experience building consumer applications or large internal applications.
- Strong communication, collaboration, and multidisciplinary teamwork abilities.
- Preferred: experience with LLM development.
- Preferred: AWS Certifications such as Solutions Architect Associate or Professional.
- Preferred: ability to build applications using AWS CDK and TypeScript.
- Preferred: knowledge of security best practices for SaaS solutions.
Benefits
- Healthcare coverage, an annual incentive program, retirement benefits, and a broad range of other benefits are offered.
About Flagship Pioneering, Inc.
Flagship Pioneering invents, builds, and finances platform biotechnology companies in human health and sustainability, providing founding science, capital, and operational support to entrepreneurs and researchers. The privately held firm, founded in 2000 and headquartered in Cambridge, MA, has originated more than 100 ventures and maintains an ecosystem of 40+ companies. Notable portfolio companies include Moderna, Denali Therapeutics, Generate:Biomedicines, Indigo Agriculture, and Tessera Therapeutics.