Senior Software Engineer

Welcome to Perennial.

Perennial is building the world’s leading verification platform for soil-based carbon removal. Our vision is to unlock soil as one of the world’s largest carbon sinks. To do that, we are building trusted standards, tools, and technologies to help verify climate-smart agriculture.

Perennial uses advanced remote measurement technology for soil carbon sequestration and emissions. We fuse machine learning, ground observations, and satellite data to map soil carbon and land-based GHG emissions at continent-level scales. This technology is powering the future of climate-smart agriculture and helping the food supply chain decarbonize.

At Perennial, you will work in a mission-driven and collaborative environment alongside a diverse team with backgrounds spanning science, technology, carbon markets, and agriculture.

Our headquarters is located in Boulder, CO USA. We are a fully-flexible company for remote and hybrid work.

We’re venture-backed by mission-aligned investors including Temasek, Bloomberg, Microsoft Climate Innovation Fund, SineWave Ventures, Alumni Ventures Group, and Collaborative Fund.

Location: Remote, USA.

Position Overview:

We are seeking a Senior Software Engineer with deep expertise in geospatial platforms, distributed systems, and large-scale data workflows. You will play a pivotal role in designing and implementing the next generation of Perennial’s geospatial platform, enabling seamless access to soil carbon insights for internal teams, customers, and partners worldwide.

This high-impact role is ideal for an engineer who thrives in fast-paced, growth-oriented environments and who wants to shape technical strategy while remaining deeply engaged in coding and system design.

In this role you will be responsible for the development of tools and resources that enable internal and external use of Perennial’s digital soil mapping products. Reporting to the VP of Engineering, you will work closely with cross-functional and executive stakeholders across Engineering, Data Science, and Product to design and develop solutions that meet core customer and internal needs.

The ideal candidate is willing to make pragmatic decisions that balance rapid development with maintainable architecture. You’ll ensure our systems are built with the right level of complexity to support both immediate needs and future scalability.

What You'll Own:

• Design, architect, and develop scalable, high-performance systems for processing and visualizing massive geospatial datasets
• Develop and scale a STAC-based geospatial data catalog that integrates ML outputs, satellite data, and customer datasets for easy discoverability and interoperability
• Build robust APIs and backend services for data ingestion, processing, and delivery, with a focus on reliability, security, and maintainability
• Lead end-to-end technical projects, taking ownership from ideation to deployment, with accountability for key components of our platform
• Mentor mid-level and junior engineers through code reviews, pairing, and knowledge sharing, while fostering a culture of technical excellence

What You'll Bring:

• 7+ years of software engineering experience, including past experience building geospatial web applications or data platforms
• Deep experience with Python and expertise in developing and scaling RESTful APIs
• Familiarity with front-end frameworks (React preferred) and the ability to prototype and iterate on user-facing features
• Skill in cloud infrastructure (AWS/GCP), containerized (Kubernetes) and serverless (AWS Lamdba) architectures, and modern CI/CD workflows
• Experience with geospatial data and tools such as GDAL, PostGIS, and Google Earth Engine (GEE)

What Will Make You Stand Out:

• Experience working with cloud-optimized geospatial datasets (e.g. COG, Zarr)
• Hands-on experience with the cloud-native geospatial ecosystem, particularly STAC and other components of the eoAPI stack
• Familiarity with ML workflow orchestration platforms such as Flyte
• Background in ag-tech, remote sensing, or climate technology
• Understanding of data security and compliance (e.g., SOC2, ISO 27001) in SaaS environments

Our Tech Stack:

• Python
• React
• Union/Flyte
• Dask
• Zarr
• PostGIS
• STAC
• GDAL
• GEE
• GKE
• Lambda

You'll Love Working at Perennial Because:

• Mission-Driven Impact: Contribute directly to solving one of the most urgent global climate change challenges - soil health - through technological innovation.
• High-Performance Culture: Join a talented, fast-paced team where your ideas and work drive meaningful impact.
• Leadership & Growth: Take ownership of projects, mentor others, and grow your leadership skills in a dynamic environment.
• Work-Life Balance: Enjoy flexible work arrangements, generous PTO, and comprehensive health, dental, vision, HSA, and 401(k) benefits.
• Strive for Excellence and Challenge the status quo: See some of our recent press about the problems we’re committed to solving. 
• Competitive compensation packages: Our team is our most valuable asset. We want everyone who works for us to feel fairly compensated for the impact they bring to our mission. The team member in this role can expect a starting salary in the range of $150k-$190k alongside equity in the company. Compensation outside this range may be considered for exceptionally well-qualified candidates, depending on experience and expertise.

We challenge the status quo. We’re a group of people who want to create the changes we hope to see in the world. See some of our recent press about the problems we’re committed to solving. 

We invest in your life. We want to provide you with resources to meet your needs both in and outside of work. We offer generous PTO, health, vision, dental, 401k, and HSA benefits and a fully stocked kitchen to keep your mind sharp throughout the day.

We want you to grow. We are a team that supports each others’ professional and intellectual growth. You’ll have access to regular opportunities to learn from teammates and invest in your professional development.

We offer competitive compensation packages. Our team is our most valuable asset. We want everyone who works for us to feel fairly compensated for the impact they bring to our mission.

Perennial is an equal opportunity employer. We celebrate and embrace diversity and are committed to building a team that represents a variety of experiences, backgrounds, and skills. We do not discriminate on the basis of race, color, religion, marital status, age, gender identity, gender expression, sexual orientation, non-disqualifying physical or mental disability, national origin, veteran status, or other applicable legally protected characteristics.