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Lead Backend Engineer

Optiml

Optiml

Software Engineering
EUR 60k-90k / year
Posted on Nov 15, 2025

About Optiml

Optiml is revolutionizing real estate with our Real Estate Decision Intelligence (REDI) software—a new category of AI-powered technology that helps decarbonize buildings while optimizing asset & portfolio performance.

Since our launch in April 2024, we have been scaling across Europe and the US, receiving significant industry recognition and winning three major PropTech awards, including:
🏆 2024 ULI Europe PropTech of the Year
🏆 2024 ZIA PropTech of the Year

We are backed by $6M in pre-seed funding from top-tier US and EU funds, including Innovation Endeavors (the fund of former Google CEO Eric Schmidt), Planet A, BitStone, and Kompas.

Tasks

  • Lead the engineering development of a part of the core product.
  • Ramp up quickly on domain knowledge in the real estate / buildings industry required to understand the problem space.
  • Come up with innovative solutions to solve our customers' problems.
  • Own the whole development lifecycle: prototype to specs to production.
  • Collaborate with peers on architecture, design and code reviews.
  • Simplify complexity, guide the team toward clear, pragmatic solutions.
  • Mentor engineers, raise standards and help the team move faster with confidence.
  • Build systems that can scale with Optiml’s growth from startup to scale-up.

Requirements

Who we are looking for

  • Embrace Challenges: You prioritize speed and flexibility, adept at making swift compromises to maintain momentum.
  • Push The Limits: You are able to quickly and efficiently execute tasks, demonstrating strong initiative and self-drive.
  • Inspire Others: You bring kindness and humor to the team, enhancing both morale and collaboration.
  • Champion The Customer: You do what is right for the customer and can deliver outcomes.

Must have

  • MSc in Computer science, Math or equivalent.
  • 7+ years of experience designing, building and maintaining data-intensive applications.
  • Expertise in system architecture, algorithms, and performance optimization.
  • Proven record of shipping and scaling back-end systems (Python, C++) in fast-moving environments.
  • Experience bridging production grade engineering and research (Optimization, ML).
  • Ability to make sound trade-offs and drive outcomes that balance speed and quality.
  • Outstanding written and verbal communication skills in English.
  • Desire to work from our Zurich office.

Nice to have:

  • Experience from startup to scale up
  • Knowledge of financial modeling or physics-based simulations

Benefits

  • Learning and development budget of CHF 1k (conferences, certificates, etc.).
  • Shit happens: 100% accident non-occupational accident insurance (UVG) covered.
  • Flexible parental leave and hybrid work setup
Updated: 19 hours ago
Job ID: 15202256
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Optiml

11-50 employees
Software Development

Optiml's Real Estate Decision Intelligence (REDI) platform empowers asset managers, investors, and consultancies to create and optimize cost-effective, reliable decarbonization st…

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