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CTO (Impact Startup) at Cercula

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  • London
  • fulltime
  • ₤55,000 - ₤75,000 a year
  • -
  • Hi!

    We’re looking for an experienced tech lead to join our Tech for Good & climate tech startup as a CTO to work alongside our founder, Isabelle, in developing our product. 

    Cercula is a VC-backed construction tech & sustainability startup working towards decarbonising the 50Mt-CO2-a-year construction industry. We connect construction designers, consultants and engineers with the information they need to lower carbon in buildings. We aim to make it as easy as possible to see the impacts of the building design and take the pain out of ESG compliance and reporting.

    About the role

    You will lead our engineering team, help with our market strategy, and write great lines of code to allow the biggest construction industry to reduce its massive carbon footprint! 


    • Full-time CTO/Full-stack developer 
    • Focus work on DevOps, database and API
    • Lead a front-end team to continue developing our beta dashboard SaaS
    • Be in charge of writing documentation and implementing good testing practice
    • Liaising with our client technology team to plug our solution into their software

    Your profile

    We’re looking for someone with previous startup experience or having worked in a fast-paced tech company environment.

    You must demonstrate that you can take the initiative and are not afraid to try things out. We also hope you are into social and climate change and want to contribute to solving significant problems.


    • Node (7+ years)
    • Modern Javascript APIs (6+ years)
    • AWS: Serverless / Lambda / EC2 / S3 (6+ years)
    • Setting up strong test processes (5+ years)
    • React (3+ years)
    • Consuming and integrating APIs (Internal and external)
    • Git
    • MySQL


    • TypeScript
    • Python
    • Serverless architecture
    • Microservice design
    • NoSQL (MongoDB / Amazon DocumentDB)
    • AWS microservices for AI
    • Data science knowledge / predictive modelling
    • Automated testing
    • Agile development (Scrum, Kanban, CI/CD) 

    Job perks

    • Pay raise and bonus according to performance
    • Hybrid (London) or fully remote possible
    • Equity (TBD)
    • Mental health support
    • Travel expenses


    Send your CV, an example of your work, and a creative blurb about you.

    We look forward to hearing from you!

    Yoann, Consultant at Cercula

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