Software Engineer - NYC​/Albany, NY Software Engineer - NYC​/Albany, NY ecoLong LLC Hybrid

ecoLong is a rapidly growing climate‑tech startup focused on making buildings smarter, more efficient, and more grid‑responsive. We partner with utilities, government agencies, and community organizations to deploy intelligent building controls, energy affordability solutions, and distributed energy resource (DER) technologies.

We’re looking for a motivated Software Engineer who is excited to join our team supporting our continued growth and innovation to modernize how buildings, distributed energy resources (DERs), and communities use and manage energy. This role is ideal for someone who enjoys problem solving, learning new technologies quickly, and building production‑ready systems that improve resilience, affordability, and sustainability in real communities – today.

As a Software Engineer you will be an integral part of our team, working closely with senior engineers and product leads to implement features, support integrations, and help deliver polished functionality of ecoLong’s energy management and virtual power plant platforms such as: energy trading and optimization, link, cybersecurity, link, among others.

• Build backend and frontend services and APIs
• Support data pipelines and analytics tooling
• Work with product and engineering teams to ship features fast
• Contribute to real‑world, field deployments

• B.S.,/M.S., in Computer Science, Mechanical Engineering, Electrical Engineering, or a related discipline
• 1‑2 years of software development or building controls experience
• Proficiency in at least one modern language (e.g., Python, Go, Rust, etc.)
• Familiar with REST APIs, Git, Docker, and/or Kubernetes
• Strong problem‑solving skills and attention to detail
• Curious, fast learner, and ready to solve real energy problems
• Bonus: experience with smart building systems, BACnet/Modbus, DERs or distributed systems

ecoLong is an energy technology startup located in Albany, New York that is committed to building resilient communities by leveraging interconnected and smart devices. By partnering with leading research institutions, smart technology partners, communities, and our customers, we strive to build best‑in‑class enterprise‑grade technology solutions to actively monitor, optimally control, and intelligently manage energy assets and create grid‑interactive and efficient communities at scale.

To apply for this opportunity, please send your resume to  with “Software Engineer” in the subject line.

• Opportunity to join a rapidly growing startup that is making a transformative impact
• Constant exposure to interesting science and novel technologies
• Dynamic workplace with flexible work arrangements

ecoLong, a woman‑owned business (WBE), is committed to a diverse and inclusive work environment dedicated to building interconnected and resilient communities. In support of this commitment, we encourage all to apply for employment.

Commensurate with experience and location, annual base salary ranging from $70,000 to $85,000. Benefits include flexible, partially employer‑funded health insurance, 401(k) with employer match, paid time off, and flexible work arrangements.