Senior Backend Engineer

Sorry, this job was removed at 12:09 a.m. (CST) on Wednesday, Sep 17, 2025
Hiring Remotely in United States
Remote
Greentech • Hardware • Real Estate • Software • Energy
Runwise replaces expensive and wasteful building control hardware with a low-cost, easy-install management platform.
The Role

Runwise is looking for a Senior Backend Engineer to join one of the largest and fastest-growing energy tech companies in the US. Runwise has offices in New York and Boston but is a remote-first product/engineering company, and has been since its creation. 

Runwise (www.runwise.com) is a fast-paced, customer-focused climate-tech startup that controls and runs the key energy systems (heating, water, etc…) in 7500+ buildings throughout the US. Runwise’s unique hardware and software service significantly reduces energy usage, substantially lowering costs and carbon output. As of today, Runwise’s technology takes the equivalent of 80,000 cars worth of carbon emissions off the road each year.

As a Senior Backend End Engineer at Runwise you will be responsible for helping design, test, and implement the core software that both embed on our controls in 7500+ buildings and the serverless cloud infrastructure that process & analyze billions of data points coming in from these buildings.  you will have the opportunity to help a variety of property companies from large well known owners (like Related, Blackstone, Douglas Elliman, Lefrak) to individual co-ops and condos effectively run their heating, cooling, electric, and water systems more efficiently while making tenants more comfortable.

Responsibilities will include, but are not limited to:

  • Being a core contributor to our core Golang app and infrastructure. Our primary serverless Go architecture powers our web, mobile web, and native mobile iOS and Android apps, as well as our APIs which interface with and process significant volumes of data from our building computers and sensor networks 
  • Writing code that efficiently and intelligently processes billions of data points per year 

Who you are:

  • You have 3+ years of hands on experience writing in Golang
  • You have 5+ years of hands on experience as an engineer 
  • You are passionate about building new products
  • You have extensive experience with AWS services like Dynamodb, SQS, AWS Lambda, EC2, Cloudformation
  • Some experience with Python is a plus
  • Experience building embedded software architecture
  • You have experience in mentoring and coaching junior engineers
  • You are passionate about working with systems at scale

Annual Compensation: $140,000-$190,000

*Needs to be available 9:00am-12:00pm EST time.

What you believe: 

  • No job is too small.
  • Sincerity builds trust.
  • Setbacks fuel progress.
  • Efficiency is vital.

Benefits:

  • Medical, dental, and vision insurance
  • HSA & FSA options
  • Paid Parental Leave
  • Access to Talkspace & Health Advocate
  • Flexible PTO
  • Commuter Benefits
  • 401K
  • Company paid life insurance
  • Voluntary supplemental life insurance
  • Free in-office lunch on Wednesdays
  • Hybrid work environment
  • Summer Fridays
  • Monthly L&D Series
  • Employee Resource Groups (e.g. DEIB Committee, Run Club)

This is an excellent opportunity to join a fast-growing company and create a career path beyond this initial role. You will be surrounded by talented people where you will learn about real estate and software/managed services sales at a very fast growing tech company, whilst having a tangible impact on reducing carbon emissions across the country.

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The Company
HQ: New York, NY
0 Employees
Year Founded: 2010

What We Do

Runwise is a fast-paced, customer-focused New York City / Boston based energy tech startup that controls the heating systems in nearly 2000 + buildings throughout the Northeast. Runwise’s unique hardware and software service significantly reduces energy usage, substantially lowering costs and carbon output.

Why Work With Us

We are unique in the industry, because we use a dynamic, real-time data-driven approach to manage every aspect of heating systems, helping our customers reduce energy costs and tenant complaints. We take responsibility for the quality of the boiler operation, tenant comfort, and most importantly fuel savings.

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