Senior Product Engineer, Full Stack & AI, Climate Tech bei 3Degrees
3Degrees · San Francisco, Vereinigte Staaten Von Amerika · Hybrid
- Senior
- Optionales Büro in San Francisco
Every day, we work together for what matters – bold, swift, and equitable climate action.
ABOUT THE ROLE
At 3Degrees, a Certified B Corporation driving climate action, we’re building the next generation of digital products that accelerate the energy transition. You’ll join a small, fast-moving team that designs and ships modern SaaS applications with state-of-the-art AI and agentic capabilities powering our environmental commodities business — from Energy Attribute Certificates (EACs) and carbon credits to supply chain reductions and clean fuel standards.
You'll join as a founding member of a new agile unit within 3Degrees that is made up of technical leadership, execution and product, which gives you the opportunity to shape what we build and how we work. Reporting to the Tech Lead, Next-Gen Products, and working closely with our Head of Product, you’ll co-own the end-to-end delivery of critical product slices — crafting intuitive UIs, designing resilient backends, and integrating modern services, while also bringing cutting-edge AI functionality into our products. From prototype to production, reliability, safety, and measurable impact are non-negotiables.
This is a role for builders who thrive at startup velocity inside an established company: you’ll move fast, learn new tools on the fly, and apply your creativity to solve hard problems. At the same time, you’ll have the chance to shape products that matter: ones that help the world decarbonize faster.
This is a full-time role reporting to the Tech Lead, Next-Gen Products. We value camaraderie, team collaboration, and the benefits of in-person connection, while offering flexibility. For this role, we prefer candidates to join us in a voluntary, flexible hybrid work style in our San Francisco Bay Area office. We may also consider candidates who are able to join us at one of our office hubs in Portland, OR; Portland, ME; or New York, NY.
For exceptional remote candidates, we strongly prefer those located in states where we are currently eligible to hire: CA, OR, NY, WA, ME, TX, CO, MI, FL, MA, MN, VA, DC, GA, UT, and IL. While we prioritize candidates in, or open to relocating to, these states, we may consider outstanding remote candidates from other US states. Please note that hiring in a new state would involve evaluating the implications of establishing a new hiring presence there. Additionally, 3Degrees does not provide relocation assistance for this position.
Please Note: 3Degrees does not provide sponsorship or work authorization assistance; therefore, pre-existing right-to-work status is a prerequisite to be considered for this position.
WHAT YOU'LL DO
As the Senior Product Engineer, Full Stack & AI, you will be responsible for developing, testing, and shipping key digital products that support our environmental commodities business. Your responsibilities will include:
Full-Stack SaaS Engineering:
- Design, build, and operate modern SaaS web applications end to end (frontend, backend, APIs, database, integrations)
- Deliver production-grade features that span UI, data, and infrastructure, from prototype to resilient MVP
- Integrate common SaaS services (e.g. Stripe, Supabase, auth, analytics) to accelerate delivery
- Balance speed and simplicity with reliability, scalability, and compliance
AI Product Engineering:
- Leverage AI in your own workflow to code faster, explore solutions, and sharpen ideas
- Add AI functionality into our SaaS products: LLM-driven features, retrieval-augmented workflows, agentic patterns, and evaluation/guardrails
- Instrument systems for observability; track latency, accuracy, and usage metrics to ensure safe and reliable AI behavior
- Apply evaluation datasets and guardrails; implement abstain/escalation flows and drift monitoring to uphold quality
Frontend Craft:
- Build tasteful, intuitive UIs in frameworks like Next.js, even when a designer isn’t available
- Use good product judgment to make interfaces feel polished, purposeful, and usable
- Uphold accessibility, performance, and compliance standards
Product Delivery:
- Translate high-level technical direction into executable designs and production code, surfacing trade-offs early
- Own vertical slices: integrate with internal systems and external services, de-risk unknowns with spikes, and ship on a tight cadence
- Co-lead execution with the Tech Lead, driving toward MVP milestones and team KPIs (reliability, adoption, impact)
Architecture & Collaboration:
- Evolve flexible, composable architectures that interoperate with partner platforms and internal services
- Communicate design decisions and trade-offs clearly with technical and non-technical stakeholders
Learning & Thought Partnership:
- Stay ahead of AI and software trends, bringing pragmatic tools and frameworks into the stack
- Share learnings and patterns that increase team velocity and quality
- Continuously find ways to accelerate our AI-assisted product development
WHY JOIN US
- Mission with Impact: Your work directly accelerates global climate action, helping businesses and countries hit sustainability targets
- Cutting-Edge Tech: You’ll work at the frontier of full-stack SaaS + AI, building products that combine modern frameworks (Next.js, Supabase, cloud services) with LLMs, agentic workflows, and evaluation guardrails
- Room to Shape: You’ll be a key voice in product decisions, working closely with our Tech Lead and Head of Product to influence architecture, direction, and execution
- Best of Both Worlds: Enjoy the pace and autonomy of a startup backed by the stability and reach of an established B Corp
- Culture of Learning: We move fast, experiment responsibly, and share learnings openly, with a focus on building products that are not just innovative, but safe, reliable, and impactful
ABOUT YOU
You are a hands-on product engineer with a strong track record of shipping modern SaaS web applications end to end. You thrive on building products that are both technically solid and delightful to use, and you’re just as comfortable designing a UI flow as you are modeling a database schema or hardening a backend service. You actively use AI in your own workflow and know how to responsibly integrate LLMs and agentic techniques into production-grade products. You’re curious, pragmatic, and excited to apply your skills to climate tech with real-world impact.
You bring the following skills and mindset to the role:
Technical & Product Engineering:
- Track record of shipping full-stack SaaS applications (frontend, backend, APIs, data, integrations) used in production by real users
- Ability to go from zero to prototype quickly, then harden into a resilient MVP with tests, telemetry, and safe deployment practices
- Strong fundamentals across APIs, data modeling, security, performance, CI/CD, and observability
- Experience integrating LLMs, RAG, and guardrails into products, and monitoring AI features with metrics like latency, accuracy, and safety
- Comfort making trade-offs that balance time-to-value with reliability, security, and data integrity
- Evidence of shortening the loop from idea → prototype → production, with telemetry guiding iteration
Product Taste & Frontend Craft:
- Strong eye for design and user experience; able to create polished, usable UIs without always relying on a dedicated designer
- Knowledge of modern frameworks like Next.js and comfort working across the modern SaaS stack (e.g., Stripe, Supabase, auth, analytics, cloud services)
Domain & Collaboration:
- Interest in climate, energy, or environmental markets, with the ability to translate domain input into dependable software
- Clear, proactive communicator who builds trust with engineers, product managers, and subject-matter experts alike
- Comfortable moving at startup velocity inside an established company, adapting quickly as requirements evolve
Education & Experience:
- Degree in Computer Science/Software Engineering or equivalent practical experience building and operating full-stack, AI-enabled SaaS products
HOW WE DEFINE SUCCESS
This role is about co-owning execution with the Tech Lead, taking product slices end to end, from concept to production, on an aggressive timeline. Success means moving at startup velocity inside an established company, balancing scrappiness with enterprise-grade standards of safety, reliability, and measurable impact.
Within 30 days,
- Building a deep understanding of our business, domain, and digital product ecosystem
- Establishing strong partnerships across engineering, product, and sustainability
- Delivering a thin vertical slice from backend to UI that proves end-to-end viability and unblocks rapid iteration
- Contributing to a focused plan for an early MVP that balances ambition with realistic delivery
Within 90 days,
- Owning the design and delivery of prototypes and features that are actively used by real users or pilot partners
- Demonstrating measurable impact (e.g., efficiency, accuracy, adoption) through telemetry and feedback
- Translating early learnings into a credible MVP roadmap and helping de-risk unknowns along the way
Within one year,
- Co-delivering a production-ready MVP and evolving it into scalable products with tangible business and climate impact
- Proving ROI through live metrics and adoption, validated by customers and stakeholders
- Consistently surfacing and delivering high-impact opportunities with founder-level ownership and urgency
COMPENSATION & BENEFITS
- Compensation: The starting base salary for this position is $134,000 to $181,000 in the US. Base pay is dependent upon many factors such as location, transferable or job-related skills, work experience, relevant training, business needs, and market demands
- Benefits: This position is eligible for a benefits package that includes medical, dental, vision, 401k, flexible paid time off, and more. Additional information regarding the benefits available for this position can be found here
- Supplemental Pay: This position may be eligible to participate in discretionary bonus programs based on personal, department and company goals
*This compensation and benefits information is based on 3Degree's good faith estimate as of the date of publication and may be modified in the future
OUR COMMITMENT TO DIVERSITY, INCLUSION AND EQUITY
3Degrees is an equal opportunity employer. We promote, value, and thrive with a diverse and inclusive team. Different perspectives contribute to better solutions and this makes us stronger every day. We are proud to welcome all people of race, color, religion, national origin, gender identity, age, sex, marital status, ancestry, disability, veteran status, sexual orientation or any other category protected by law.
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