AZX
AZX

Founding Senior Engineer (Full Stack)

July 7, 2025
Full-time
$140,000.00/yr - $225,000.00/yr
Remote · Seattle, WA
Mid-Senior level
Full-stack Developer
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Founding Engineer (Senior, Full Stack)

About AZX

Our mission is to accelerate positive impact in critical industries through AI transformation.

We’re growing quickly and already work with category-leaders in real estate (CBRE), energy (LevelTen Energy), logistics (Flexe) and utilities (can’t say which large utility yet).

We’re a public benefit corporation, founded in 2024 and have been profitable from the beginning (bootstrapped with consulting).

We work on challenges in clean energy, decarbonization, climate risk, energy systems and global economics. We’re building our company for long term success and aim to build the ultimate place to work if you’re passionate about AI and positive impact.

About The Role

We seek a full stack Founding Software Engineer to help us deliver for clients and invest in our platform. You’ll be one of the first full time engineers and will have an enormous impact on all aspects of what we do.

Some of our client projects are enterprise-style and some are fast innovation cycles. Over time, we’ll be investing more in our own platform to accelerate client value.

You'll join a company founded by experienced, successful veterans in climate and AI. The team brings exceptional expertise from Microsoft, AI2, ARM, acquired startups, and even a major utility, including PhDs, published ML researchers, and former industry executives.

What You Will Do

You will work on software projects in client engagements, and over time, internal platform capabilities.

You will:

  • Turn ambiguous client problems into shipping code.
  • Drive projects from discovery to deployment
  • Collaborate with client and internal project teams
  • Design and write clean, scalable code at appropriate quality standards (sometimes “right”, and sometimes “right now”).
  • Integrate and productize AI capabilities (analytical models, GenAI, digital twins…).
  • Collaborate across disciplines
  • Advocate for engineering best practices and positive dev culture

Core Qualifications - Technical And Foundational

  • Able to independently and efficiently build features in TypeScript/React and backend APIs (Python/FastAPI or Express/Deno)

  • 5+ years of experience with demonstrated technical leadership experience

  • Adept at clarifying ambiguity and proposing good solutions

  • Champion for quality (no broken windows)

  • Experience with cloud native environments (AWS, GCP, Azure)

  • Able to use AI dev tools maturely

  • Proficiency in full-stack fundamentals

  • E.g., Front/back-end tech, databases, debugging, tests, SDLC, Git

  • Core engineering concepts (e.g., concurrency, memoization, caching, etc)

  • Degree in CompSci, related field, or equivalent experience

  • Excellent communication skills with internal and client contacts

Values And Culture Qualifications

  • High emotional intelligence and a learning mindset
  • Strong collaboration skills
  • Enjoy others' success and a fun, positive environment.
  • Comfortable making decisions in the face of ambiguity and course correcting as needed.

Bonus Qualifications (not Required But a Huge Plus)

  • Experience in both startup and enterprise environments

  • Past work in energy, real estate, utilities, climate or related fields

  • Bonus if you have experience and passion in one or more of

  • Additional web frameworks (e.g. Svelte, Vue, Angular)

  • Lower-level languages e.g. C++, Rust

  • Networking paradigms e.g. GraphQL, Websockets

  • ML capabilities e.g. Sk-learn, xgboost, Pytorch/Tensorflow/JAX, Onnx…

  • Additional database types such as graph or vector databases

  • DevOps e.g. CI/CD pipelines, Docker, Kubernetes, Terraform, Pulumi and/or Bicep

  • Generative AI e.g. prompt engineering, RAG, fine-tuning, tooling ecosystem

Compensation & Benefits

  • Competitive early-stage startup compensation (based on capabilities, experience, and location)
  • Bonus eligibility
  • Health insurance with meaningful coverage for dependents
  • Flexible paid time off
  • Equity
  • Fully remote culture with a cluster of teammates in Seattle
  • Training and learning opportunities
  • Be part of a fast-growing, profitable, mission-driven company with industry leading clients tackling the massive opportunity of AI transformation in critical industries

Logistics

  • Remote but only USA/Canada
  • Applicants must be currently authorized to work in the United States on a full-time basis.
  • We are unable to sponsor or take over sponsorship of employment visas at this time.

Next steps

If this job sounds great, we’d love to hear from you. If you feel aligned to the company but don’t check all these boxes, we’d still love to hear from you!

Compensation Range: $140K - $225K