Senior Full Stack Engineer

4 months ago
Full time role
Remote... more
Remote... more


Reunion's mission is to accelerate investment into renewable energy. We are building a marketplace to connect buyers and sellers of renewable ...

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Job Description

Reunion helps clean energy projects such as solar, wind, and battery storage obtain financing through the sale of tax credits. This is a large new opportunity created by the Inflation Reduction Act; tax credit sales are expected to exceed $50 billion annually.

In July, we launched Reunion's clean energy tax credit marketplace which already has more than $3 billion in credits from high quality clean energy projects available for purchase. We closely guide corporate tax and finance teams to buy clean energy tax credits in a low-risk transaction.

Reunion’s platform is focused on tax credits today, but we aim to provide a variety of financial products that will enable construction of high-impact clean energy projects.

Reunion’s team has deep expertise in clean energy finance; our founding team has over 40 years of experience financing clean energy projects, and led many of the earliest solar tax equity and private equity transactions. We have raised over $2 billion to fund clean energy projects around the world with partners including D.E. Shaw, Y Combinator, and SunEdison. Reunion raised seed funding in December 2022 from Segue Sustainable Infrastructure, and leading renewable energy entrepreneurs and executives.

About the Role

Reunion is in the early stage of building an iconic renewable energy finance platform. As an early team member, you will work on high priority projects that directly contribute to increasing the supply of renewable energy projects in the world. This is a unique opportunity to work with a climate-focused company at the ground floor, led by an experienced team of second-time entrepreneurs with deep expertise in renewable energy.

As an early contributor you will have a high degree of visibility, and direct input on how we build our product. You will work closely with cross-functional teams to design, build, and deploy innovative software solutions that drive our company's growth and success. Your responsibilities will include architecting and implementing backend services using AWS technologies, developing user-friendly front-end components, and ensuring the scalability and efficiency of our serverless architecture. This role offers a challenging yet rewarding environment where you can continue to learn and grow while collaborating with our head of engineering to build up a talented team of engineers. If you're passionate about technology and enjoy solving complex problems, we welcome you to join us on this exciting journey.

What You’ll Do

  • Collaborate with cross-functional teams to design, develop, and deploy high-quality software solutions to ensure we provide the best possible product to our customers.
  • Architect, implement, and maintain backend services using AWS services such as Lambda, RDS, Elasticache, Cognito, Cloudfront, and S3.
  • Develop and maintain a robust, scalable, and efficient serverless architecture.
  • Utilize Next.js, JavaScript, TypeScript, and React to build front-end applications that interface seamlessly with backend systems.
  • Work through problems with your team, roll up your sleeves, form an opinion, and advocate for engineering-specific roadmap items.

What You’ll Need

  • Bachelor's degree in a technical field (Engineering or Computer Science) or equivalent work experience.
  • Minimum of 3 years of experience as a Full Stack Engineer.
  • Proficiency in AWS services, including Lambda, RDS, Elasticache, Cognito, Cloudfront, and S3.
  • Strong expertise in the Serverless Framework.
  • Extensive experience JavaScript, TypeScript, and React.
  • Experience with infrastructure-as-code, configuration management, and CI/CD pipelines.
  • Proficiency in Next.js
  • Familiarity with Jira for task management.
  • Strong problem-solving and communication skills.
  • You are eager to contribute to Reunion’s climate-focused renewable energy mission.
  • You have a passion for collaboration and a history of establishing great relationships with design and product management teams across time zones.
  • You are curious about constantly learning new things, and enjoy working collaboratively in a fast-paced startup environment.
  • You have a commitment to technical excellence, raising the bar, and delivering results.
  • You are an excellent oral and written communicator.

NOTE: Reunion is an equal opportunity employer. You're encouraged to apply even if your experience doesn't line up exactly with the job description.

Nice to Haves

  • Experience with developing products in the renewable energy or real estate spaces
  • Experience working on online marketplace or auction mechanisms
  • Experience with Turborepo or Vercel
  • Experience with Terraform


  • We are a remote-first company with hubs in Seattle, WA and San Francisco, CA

Our benefits

  • 100% medical, dental & vision insurance coverage for you + partially covered for your dependents
  • Unlimited PTO
  • WFH stipend to support your home office needs
  • Competitive Salary
  • Stock Options

Please apply directly through Reunion's application link here. If you have questions, please contact us at with the subject line “Senior Full Stack Engineer”

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