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Runwise

Senior Backend Engineer

Sorry, this job was removed at 12:09 a.m. (MST) on Wednesday, Sep 17, 2025
Remote
Hiring Remotely in United States
Remote
Hiring Remotely in United States

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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.

What you need to know about the Colorado Tech Scene

With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation.

Key Facts About Colorado Tech

  • Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3
  • Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech
  • Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook)
  • Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures
  • Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute

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