Founding Engineer Lisboa

Founding Engineer
Lisboa
Lisboa, Lisboa, Portugal

Founding Engineer

About the Role

We're seeking a Founding Engineer to join us in building the future of cloud cost intelligence. You'll be employee #1 on the engineering side, working directly with the founders to architect and build our LLM-powered platform that helps companies understand and optimize their cloud spending across AWS, GCP, and Azure.

This is a unique opportunity to shape both the technology and culture of a company from day one. You'll have significant ownership over the product and the chance to solve a massive problem affecting every company using cloud infrastructure.

What You'll Do

• Build from 0 to 1
  : Design and implement core architecture decisions that will scale with the company
• Full-stack ownership
  : Work across our Python backend (LLM agents, cloud integrations) and Rails frontend
• High-performance async systems
  : Design efficient concurrent systems that handle thousands of API calls to cloud providers simultaneously
• Cloud cost intelligence
  : Create innovative solutions for analyzing and optimizing cloud spending patterns using AI
• Multi-cloud integration
  : Build robust connections to AWS, GCP, and Azure APIs to gather and process cost data
• LLM agent development
  : Design and implement intelligent agents that can understand, analyze, and provide actionable insights on cloud costs
• Technical leadership
  : As we grow, help build and mentor the engineering team while maintaining
  - on coding

What We're Looking For

Technical Skills

• 2-4+ years of software development experience
  (we care more about impact than years)
• Python proficiency
  : Strong experience with async/await patterns, Fast
  API, and building efficient concurrent systems
• Some Rails/Ruby experience
  or willingness to learn quickly (doesn't need to be expert level)
• Cloud platform familiarity
  : Hands-on experience with at least one major cloud provider (AWS/GCP/Azure)
• API integration experience
  : You've built systems that connect to external services at scale
• Basic understanding of LLMs
  : You've experimented with Open
  AI/Anthropic APIs or similar (deep expertise not required)

Mindset & Approach

• Builder mentality
  : You're excited to create something from scratch and iterate rapidly based on customer feedback
• Curiosity about AI
  : Eager to explore how LLMs can solve real business problems
• Cost-conscious
  : You understand that cloud costs are a real pain point and are passionate about solving this
• Pragmatic
  : You know when to build for perfection and when to ship and iterate
• Self-directed
  : Comfortable with ambiguity and can turn
  - level goals into executed features
• Open learner
  : Ready to pick up new technologies and wear multiple hats as needed

Nice to Have (But Not Required)

• Experience with DSPy or Lang
  Graph for agent orchestration
• Deep knowledge of Python async internals (asyncio, event loops, connection pooling)
• Experience with cloud cost management tools (AWS Cost Explorer, GCP Billing, etc. )
• Background in Fin
  Ops or cloud optimization
• Experience with data visualization or analytics platforms
• Prior startup experience (especially
  - stage)
• Contributions to open source projects
• Experience with infrastructure as code (Terraform, Cloud
  Formation)

What We Offer

• Equity participation
  : Eligible for a stake in the company through stock options or similar arrangements
• Direct impact
  : Your code will directly affect our product and customers from day one
• Technical autonomy
  : Strong voice in technology choices and architectural decisions
• Growth opportunity
  : As we scale, grow into CTO, VP Engineering, or continue as a senior IC
• Remote-first
  with flexible hours
• Competitive salary
  (balanced with equity participation)

Interview Process

We keep it straightforward:

1. Initial chat (30 min)
2. Get to know each other and discuss the vision. This is your opportunity to convince us why you're the right person for this role. Come prepared to make your case - advancing to the technical interview depends on how well you sell yourself here
3. Technical discussion (60 min)
4. Walk through past projects and
   - solving approach

How to Apply

Send us:

• Your Git
  Hub/portfolio or description of 1-2 projects you're proud of
• A brief note about why cloud costs interest you as a problem space
• What excites you most about being a founding engineer

We're looking for someone who can start within the next 4-6 weeks and is ready to commit to building something significant.

We value diverse perspectives and encourage applications from engineers of all backgrounds. If you're excited about this opportunity but don't check every box, we still want to hear from you.