Software Engineer

Company \& Mission Overview:

Our mission:

We exist to connect climate and financial risk.

Who we are:

First Street is the standard for Climate Risk Financial Modeling. For over a decade, we’ve been translating climate risk into decision-useful financial outcomes for investors, businesses, communities, and property owners worldwide. With backing from world-class firms, including Innovation Endeavors, Galvanize, General Catalyst, and others, our team has raised millions to change how the global economy thinks about climate change.

Read more about our culture here and see what Climate Risk Financial Modeling is all about here.

Our data:

We’ve assembled leading climate scientists and economists to develop transparent, peer-reviewed methodologies to calculate the past, present, and future climate risk for properties and asset classes spanning real estate, infrastructure, and companies. Using physics-based deterministic models, we predict the likelihood of floods, wildfires, hurricanes, and other hazards at any location on Earth, along with associated damage and downtime.

Our customers:

We aim to incorporate climate risk data into every financial decision made today. We are relied on every day by:

• Institutional investors like Norges Bank Investment Management and Blackstone.
• Banking enterprises, including Bank of America and Fifth Third.
• Government bodies ranging from Fannie Mae to the US State of Connecticut.
• Millions of everyday users on Zillow, Redfin, Realtor.com, Homes.com, and more.

Come join us and use your talents to change the world.

Team \& Role Overview

The engineering team at First Street is the backbone of our mission: using technology and data to help the world understand and adapt to climate risk. We’re an AI-native team building the systems that power our global products—tools relied on by customers to make informed, climate-aware decisions.

As a

Fullstack Software Engineer

, you’ll be a product-facing engineer responsible for delivering end-to-end features across frontend and backend systems. You’ll work closely with product managers, designers, and data partners to translate complex climate data into performant, accessible, and intuitive user experiences.

This role is ideal for an engineer with strong frontend fundamentals who is comfortable working across the stack and collaborating deeply with cross-functional partners.

What You’ll Do

• Build and ship product features across the frontend and backend.
• Develop user-facing experiences with attention to UI architecture, performance, and accessibility.
• Integrate frontend applications with backend APIs and services (primarily written in Go).
• Collaborate closely with product managers and designers, actively contributing ideas, tradeoffs, and technical perspectives.
• Debug and reason about issues across the stack, including identifying whether problems originate in the frontend, backend, or underlying data.
• Work with platform engineers and data partners to ensure product behavior aligns with real-world data and customer expectations.
• Contribute to code quality, documentation, and shared engineering practices.
• Deliver reliable, maintainable software that advances First Street’s mission to connect climate and financial risk

Technologies We Use

Our stack includes (but is not limited to):

AWS, Go, Linux, Kubernetes, MySQL, PostgreSQL (\+ PostGIS), Elasticsearch, Redis, Git, Docker, JavaScript, Node.js, React, GraphQL, REST, and Python.

What You’ll Need

• Professional experience working as a software engineer on production systems.
• Strong frontend fundamentals, including UI architecture, performance optimization, and accessibility.
• Experience building and integrating with APIs.
• Comfort working across the stack, even if your background leans frontend or backend.
• Experience collaborating with cross-functional partners such as product managers and designers.
• Ability to debug complex systems and reason about issues across frontend, backend, and data layers.
• Bachelor’s degree or equivalent practical experience in Engineering, Computer Science, or a related field.

What Will Make You Stand Out

• Experience working in product-driven engineering environments.
• Familiarity with GraphQL and modern frontend data-fetching patterns.
• Experience debugging or working with data-heavy or geospatial systems.
• Prior experience in roles that required close collaboration with non-engineering stakeholders.

Our anticipated US base salary compensation range for this role is $100,000-150,000 plus stock options and a competitive benefits package, which includes equity, 401(k), paid time off, paid parental leave, and comprehensive health benefits. Actual compensation will vary depending on factors such as work location as well as additional factors such as a candidate’s qualifications, skills, experience, competencies, and relevant education. Your recruiter can share more about the specific salary range for your location during the hiring process.

How we work:

• Impact: We only focus on things that move the needle
• Drive: We are driven by the role we play in connecting climate change to financial risk
• Ownership: This is our company and we act accordingly
• Urgency: We move quickly because the world depends on it
• Resilience: We have a growth mindset in all that we do

What we offer:

• Competitive salary commensurate with experience
• Ownership interest in the company via Employee Stock Option Plan
• Hybrid Schedule with in-office work days on Monday, Wednesday and Thursday
• 15 vacation days along with 8 statutory company holidays, 5 days for winter break office closure, and 10 sick days
• Healthcare monthly premium covered at 100% for employee or a significant contribution for family plans
• Vision and dental benefits with partial employee contribution
• 12 weeks of paid parental leave
• Access to One Medical, Teledoc, HealthAdvocate, Kindbody, and Talkspace
• Company 401k program
• Commuter benefits
• Life Insurance
• Tech startup environment
• Weekly team meals and an office stocked with coffee and snacks
• Working on the world’s biggest issue with other passionate professionals

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Once you've applied, please be sure to check your spam folder, as emails from our recruiting team are sometimes rerouted.