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Crosswalk Labs
Software Engineer (Front End)
Over 2 years ago
About the Job
Software Engineer (Frontend)
REPORTS TO: Director of Data Solutions
CLASSIFICATION: Full-time; Exempt
LOCATION: Remote
BASE SALARY: $80,000 - $140,000, depending on experience
Application Instructions: Please send a letter of interest and resume to talent@crosswalk.io.
About Us
Crosswalk Labs is a start-up company whose mission is to make every city-level decision a climate decision. We’ve seen firsthand how well-informed choices that are grounded in data can shape communities and affect the environment. With that in mind, we developed a system that saves time by providing a detailed, peer-reviewed approach to emissions data validated by atmospheric science – verifiable metrics that cities across the country can rely on.
Our small team comprises former elected officials and data scientists who are committed to supporting citizens and leaders in making thoughtful decisions to help reduce emissions. We have offices in Flagstaff, Arizona and Washington, DC, though many of us choose to work a hybrid or remote schedule. We recognize that each of us has different needs and desires in life and in work, and our goal is to provide an environment where all Crosswalk employees can thrive. To that end, we provide the tools and flexibility required to balance the responsibilities of work and home, and we recognize that looks different for everyone.
Where You Come In
Crosswalk Labs is looking for a Frontend Developer to help grow our greenhouse gas emissions information system and associated products and service offerings. This is an exciting opportunity for someone with a passion for using technology to take action on climate change as part of a new company poised for growth and opportunity in the coming years.
As the company’s founding front-end engineer, you will establish the core architecture of complex web apps and select and implement the appropriate tech stack. To be successful in this role, you’ll have frontend software development expertise building browser-based dashboards, GIS maps, charts, graphs, tables and reports. You write code with autonomy. You engage in discussion about design criteria and viable solutions and drive creative solutions. You will have worked with tools such as Nodejs, React, Typescript, HTML and Javascript . You will be working with data scientists and subject matter experts to build out new data visualizations and representations of our data for clients. You’ll enjoy working collaboratively and will be able to communicate complicated information to a lay audience.
The Work
Select and implement the tech stack for custom web apps using typescript (or JavaScript), HTML, CSS, and React
Develop complex dashboards that show data in a compelling and user-friendly way for users
Develop interactive web-based maps (i.e., Mapbox, Leaflet)
Design and deploy compelling data visualization apps and communicate results effectively
Required Experience
Several (3+) years of experience in frontend software development on professional, team-based software projects
Experience developing in a professional, collaborative codebase environment using GitHub
Experience establishing the core architecture of complex web apps and selecting the appropriate tech stack
Experience designing and building REST APIs
Experience working in Python and with object-oriented software engineering in a professional, collaborative setting
Passionate about crisp, effective documentation of code
Demonstrated ability to work and problem solve independently
Desired Experience
Full stack application development experience (from relational database layer to the API to the web client)
Familiarity writing SQL queries
Physical Requirements
This position is located in an office setting. It requires prolonged periods of remaining stationary. You will constantly operate a computer and other office productivity equipment.
Other Expectations
Some travel required to our Flagstaff, AZ office.
Compensation and Benefits
Base salary commensurate with experience
Eligible for annual bonus
Equity grant incentive
100% company paid individual medical, dental and vision insurance coverage
401(k) plan with company match
Unlimited paid time off
11 company paid holidays
Remote/hybrid/flexible workplace culture
For more information, visit www.crosswalk.io.
Application Instructions: Please send a letter of interest and resume to talent@crosswalk.io.
Crosswalk Labs, Inc. is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.
Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
About the Company

Crosswalk Labs
Crosswalk Labs tracks greenhouse gas emissions over time with unprecedented resolution — scouring hundreds of data sources, running constrained optimization protocols on billions of data points and benchmarking the results against atmospheric measurements.
We save cities time by providing a detailed, peer-reviewed approach to emissions data validated by atmospheric science — so you know it’s accurate. No more spreadsheets. No more manual processes. Just verifiable metrics you can rely on.
Crosswalk Labs and our data products enable cities to make good on their climate promises.
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