(Fullstack) Software Engineer

First Street•New York, NY

1d•Hybrid

About The Position

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.

Requirements

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.

Nice To Haves

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.

Responsibilities

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 climate mission.

Benefits

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 5 days for winter break office closure, 8 statutory company holidays, and 10 sick days
Health benefits 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