Principal / Senior Software Engineer

Iris Labs; Cambridge (MA); Presencial; USD 108.000 - 209.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Healthcare coverage

Annual incentive program

Retirement benefits

Descripción de la vacante

Iris Labs, Inc. in Cambridge, MA seeks a Principal/Senior Software Engineer to lead customer-facing features across the full stack, partnering with product managers, designers, and ML researchers.

You will own features end-to-end—from discovery and design to release and measurement—while building scalable, secure AI-powered services on AWS and mentoring teammates in a fast-paced, innovative environment.

Formación

• 5+ years of experience in software development.
• Experience with AWS services (ECS, S3, Lambda).
• Proficient in Python.
• Demonstrated ability to build scalable, secure software.
• Motivated and team oriented with strong collaboration.

Responsabilidades

• Lead the design and development of customer-facing features across the frontend and backend stack.
• Partner with product managers, designers, and researchers to translate needs into high-impact features.
• Own features end-to-end from discovery to release and iteration.
• Manage release processes including rollout planning, feature flags, monitoring.
• Use analytics and feedback to guide continued development of features.
• Design scalable architecture for AI-enabled backend components.
• Contribute to UI/UX decisions with technical insight.
• Improve delivery via CI/CD, testing, and security practices.

Conocimientos

AWS cloud

Python

Frontend & Backend

Communication

Team collaboration

Herramientas

AWS CDK

Typescript

Descripción del empleo

The Company

Iris Labs, Inc. is a privately held, early-stage company pioneering the use of artificial intelligence to transform how people navigate life’s challenges and wellbeing. We are creating a platform that empowers people to build a life they are proud of and fulfilled by. We bring together psychology, product, design, engineering, and machine learning to build digital experiences that are engaging, trustworthy, and genuinely helpful.

Iris Labs is backed by Flagship Pioneering, an innovation enterprise that conceives, creates, resources, and builds companies that invent breakthrough technologies that transform the world. Flagship has created over 100 groundbreaking companies since 2000, including Moderna.

The Role

We are seeking an experienced, creative, and talented Principal / Senior Software Engineer. The ideal candidate will have a strong background in software and product development, with the ability to lead projects and communicate effectively across teams and with ML researchers.

Key Responsibilities

• Lead the design and development of customer-facing features across the front-end and back-end application stack.
• Partner closely with product managers, designers, and researchers to translate customer needs and product strategy into well-designed, high-impact features.
• Own features throughout the full product development lifecycle, from discovery and technical design through implementation, release, measurement, and iteration.
• Manage the release process for new features, including rollout planning, feature flagging, monitoring, and coordination across engineering and product teams.
• Use product analytics, feature experiments, and customer feedback to evaluate feature performance and guide continued development.
• Design scalable system architecture for rapidly evolving, AI-enabled back-end components.
• Contribute to user interface and interaction design, bringing technical insight into product and design decisions.
• Improve application delivery practices by implementing continuous integration, continuous delivery, automated testing, and operational best practices.
• Leverage AWS cloud infrastructure to build scalable, reliable, and efficient applications and AI-powered services.
• Uphold high standards of data security, privacy, and compliance across all applications.

Successful candidates will be able to thrive in a fast-paced, action-oriented, team environment and display a clear passion for AI innovation and impact. The role offers a unique opportunity to help drive the strategy of anearly stageAI-focused company. The candidate must be an entrepreneurial, highly motivated, and purpose-driven individual.The successful candidate will have a track record of building consumer applications or large internal applications.Theymust exhibit strong collaboration and communication skills.Theyshould be ready to lead application developmentin a very dynamic and innovative environment.

Qualifications:

• 5+ years of experience in software development, with a strong focus on building applications.
• Extensive experience with AWS services (including ECS, S3, Lambda,etc) or a similar cloud services provider.
• Proficientin Python.
• Demonstrated ability to build scalable, efficient, and secure software applications.
• Motivated and team oriented, with an ability to thrive in a multidisciplinary environment.
• Excellent communication and collaboration abilities.

Preferred Qualifications:

• Experience with LLM development.
• AWS Certifications, such as Solutions Architect Associate or Professional.
• Able to build applications using the AWS CDKand Typescript.
• Knowledge of security best practices for SaaS solutions.

About Flagship

Flagship Pioneering is abioplatforminnovation company that invents and builds platform companies, each with the potential for multiple products that transform human health or sustainability. Since its launch in 2000, Flagship has originated and fostered more than 100 scientific ventures, resulting in more than $90 billion in aggregate value. Many of the companiesFlagship has founded have addressed humanity’s most urgent challenges: vaccinating billions of people against COVID-19, curing intractable diseases, improving human health, preempting illness, and feeding the world by improving the resiliency and sustainability of agriculture. Flagship has been recognized twice on FORTUNE’s “Change the World” list, an annual ranking of companies that have made a positive social and environmental impact through activities that are part of their core businessstrategies, andhas been twice named to Fast Company’s annual list of the World’s Most Innovative Companies. Learn more about Flagship at www.flagshippioneering.com.

Flagship Pioneering and our ecosystem companies are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.

Recruitment & Staffing Agencies

: Flagship Pioneering and its affiliated Flagship Lab companies (collectively, “FSP”) do not accept unsolicited resumes from any source other than candidates. The submission of unsolicited resumes by recruitment or staffing agencies to FSP or its employees is strictly prohibited unless contacted directly by Flagship Pioneering’s internal Talent Acquisition team. Any resume submitted by an agency in the absence of a signed agreement will automatically become the property of FSP, and FSP will not owe any referral or other fees with respect thereto.

The salary range for this role is $108,000 - $209,000. Compensation for the role will depend on a number of factors, including a candidate’s qualifications, skills, competencies, and experience. Iris Labs, Inc. currently offers healthcare coverage, annual incentive program, retirement benefits and a broad range of other benefits. Compensation and benefits information is based on Iris Labs, Inc.’s good faith estimate as of the date of publication and may be modified in the future.