Senior Software Engineer

Number of employees

180

Brisbane, CA, USA

Posted on: 2026-01-30

Category: carbon

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Employment type:

Full time

Experience required:

Senior

Salary

$145,000.00 - $175,000.00

About the company:

Mitigating the worst impacts of climate change by developing the world’s most cost-effective DAC technology to permanently remove CO2 from the atmosphere.

Our technology rapidly accelerates the natural processes that enable limestone to absorb carbon dioxide from the air from a timespan of years to days.

In 2023, Heirloom established the first and only Direct Air Capture facility in North America that permanently captures CO2. Our customers are the world’s biggest buyers of carbon removal including Microsoft, JP Morgan, McKinsey, Stripe, Shopify and more.

The Role

As a member of Heirloom’s software team you will build, operate, and maintain the software systems needed to support effective carbon removal at scale. The software team’s work spans orchestrating and controlling our accelerated looping process, advancing research to unlock the next generation of Direct Air Capture (DAC) technology, and establishing reliable and auditable operations through the application of digital tooling. You will contribute to building sustainable and maintainable systems that will serve the company for years to come. In doing so, your work would be directly moving the needle on Heirloom’s core technology to enable a low-cost, scalable, and reliable design to meet our goal of removing 1 billion tons of CO2 from the atmosphere.

In this role you will apply the principles of automation, integration, and continuous improvement to ensure that our software systems generate and apply the insights needed to learn and scale efficiently. You will directly contribute to the design, development, testing, debugging, deployment, and maintenance of software aimed at supporting the company’s R&D activities, as well as that destined for both pilot and commercial DAC facilities. You will be presented with a myriad of technical problems and ample opportunity to keep pace with the evolving set of tools employed by the software discipline. You will work alongside a team of world-class software engineers, product managers, and systems engineers committed to delivering high-quality solutions in service of a more liveable future for all.

What You’ll Bring

  • Bachelor's degree (or higher) in computer science, engineering, or related discipline.

  • Minimum 6-8 years of experience in software engineering.

  • Experience developing software for hardware and/or industrial applications.

  • Experience in design, testing, debugging, monitoring, and production deployment.

  • Proficiency in the application and configuration of messaging systems (e.g., NATS, MQTT, Apache Kafka, etc).

  • Knowledge of relational databases and data models; experience with SQL as a tool for structuring persistence.

  • Proficiency in Golang, Linux/Unix platforms, and Git.

  • Familiarity with test-driven development.

  • Ability to operate both in the realms of high-level architectural design and low-level technical implementation.

  • Avid learner, curious, embracing a growth mindset.

  • Great collaborator, constantly pushing toward alignment.

  • Commitment to building and maintaining a workplace environment that prizes engagement, accountability, and respect.

  • Passionate about building products of substance that serve customers and the environment.

Bonus Points

  • Experience in designing distributed and micro-service architectures.

  • Familiarity with Kubernetes.

  • Familiarity with industrial automation (PLCs or related hardware).

You don’t have to have every listed requirement and skill to be a great fit. If you are passionate about this opportunity and think you have the skills to succeed, please apply!

Our Commitment to Diversity, Equity, and Inclusion

We encourage you to apply if you identify as Black, Native Hawaiian or Pacific Islander, American Indian or Alaskan Native, Hispanic or Latino, LGBTQ+ – or with any other underrepresented group – even if you don’t tick all the boxes in the description below.

Perks and Benefits

  • Excellent health, dental and vision insurance covered up to 100% by Heirloom. FSA option.

  • 6 weeks paid parental leave for all Heirloom employees.

  • Generous stock options.

  • Unlimited PTO for exempt (salaried) employees & 120 hours for full time non-exempt (hourly) employees.

  • 401(k).

  • Monthly health and wellness reimbursement.

  • Annual education and conference budget.

Our Principles

  • Radical Honesty. We strive to foster an inclusive environment premised on transparency and respect. We push for excellence, yet always remain thoughtful when challenging each other.

  • Persistent Optimism. We show up to work with optimism and don’t shy away from a challenge. We recognize that the ambitious nature of our mission requires hopefulness, dedication, and persistence.

  • Maximize Learning. Compounding knowledge is our key to victory - we continuously hone our crafts, seek the fastest paths to improve, and are quick to absorb and apply new insights.

Why you should join Heirloom

  • We are solving the challenge of our generation. Climate change is an existential threat, and we need as many of the world’s motivated minds as possible to help. There is no greater challenge or opportunity than fighting climate change.

  • We are a world-class team. We are engineers, scientists, and concerned humans from a variety of backgrounds and experiences who are pooling our knowledge and skills to collectively build a more equitable, prosperous future for all.

  • We remain united, resilient, and optimistic. We recognize the magnitude of the challenge ahead of us, yet believe that we can contribute to mitigating the worst effects of climate change. It won’t be easy, but we won’t quit.


We are backed by credible climate partners. We’re well funded by investors from Breakthrough Energy Ventures, Ahren Innovation Capital, Carbon Direct, Microsoft, Lowercarbon Capital, ARPA-e and the National Science Foundation. Our early customers include Stripe, Shopify, and Klarna, and we’re building durable partnerships that enable us to tackle this decades-long problem.

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