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Software Engineer - Full Stack (Contract)
Windfall Bio
Software Engineering
San Mateo, CA, USA
USD 60-100 / hour
Posted on Aug 14, 2025
At Windfall Bio, we are pioneers in biotech innovation, tackling some of the world’s most critical environmental challenges. Our breakthrough solutions focus on capturing and transforming climate-harming methane emissions into beneficial products. Utilizing cutting-edge technology and methane-eating microbes, we convert methane from various sources into valuable outputs, such as organic fertilizers. This nature-based approach provides a sustainable method for industries like agriculture, oil and gas, and waste management to significantly reduce their carbon footprint and environmental impact. Join us in our mission to create a cleaner, greener future.
About the role
Data is central to Windfall Bio’s mission. Our products rely on accurate measurement, reporting, verification, and insights across the “Methane Capture to Value” pipeline, supporting GHG emission reduction and organic fertilizer production. Since our target customers are global enterprises, our web applications and services must be enterprise-grade and scalable.
As a Full Stack Software Engineer working with the Software and AI team, you will
- Frontend Development: Actively contribute to the frontend framework and reusable component library for Windfall Bio’s web application.
- Data-Driven UX: Develop the web application with a combination of traditional and GenAI-based UX components, focusing on storytelling through data insights.
- Backend & Infrastructure: Design and implement scalable infrastructure using AWS services, including Lambda, ECS, and RDS.
- API Development: Create APIs and microservices that support Windfall Bio’s customers, the carbon credit marketplace, and ESG compliance.
Your work will have a direct impact on the fight against climate change. For real. :)
If you're excited about using technology to save the planet, we want to hear from you!
About you
First and foremost, you are a senior software engineer who knows how to ship production quality software. Next, you are an expert in the craft of building and shipping web applications that are loved by customers. You are a design savvy Frontend developer as well as a robust backend engineer and can fluidly move between them. You have worked in startups and know how to manage application stability and robustness with speed to iterate. You have built enterprise grade software.
- 5+ years of software engineering experience with world class teams
- Expert in Frontend Development using JavaScript/React/Next.js
- Proficient in Python/Fast API or Flask for backend development
- Deep experience building on a public cloud, preferably AWS (S3, RDS, DynamoDB, ECS, Fargate, Lambda).
- IaC: Experience with Terraform or a desire to learn
- API Development: Proficient in designing and building robust APIs
- Low ego, high empathy, and the capacity to collaborate effectively with software engineers, scientists, and bioengineers.
- Thrive in a fast paced, ambiguous, high-growth environment
Additional Information
Location
Remote friendly
Contract Details:
- 3 month contract
- 30 - 35 hours/week
- $60-$100/hr
Windfall Bio prohibits unlawful discrimination based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin or ancestry, age, disability, marital status and veteran status.