Mechanical Engineering Intern

  • Stáž 
  • Paris




  • FoodTech, Foodservice, Robotics


Mechanical Engineering Intern

  • Stáž 
  • Paris


Welcome to Cala 👋

Cala is a food-tech startup building and operating robotic restaurants for the pick-up and delivery markets. We deeply believe that technology has the potential to bring immeasurable value to all areas of our lives and its impact on what we eat has been unsatisfying. We are changing that.

Job description


We are looking for a Mechanical Engineer Intern to assist the hardware team for 6+ months

CAD software (Solidworks, Fusion 360, Onshape, etc...)

Must be in the last years before graduating, based in Île-de-France

Autonomous, proactive, keen to learn, creative, able to work in a fast-paced environment, good communication skills

Work in office - currently located in Colombes (92025), soon moving to Gentilly (94037)

Welcome to Cala 👋

We deeply believe that technology has the potential to bring immeasurable value to all areas of our lives and its impact on what we eat has been unsatisfying. We are changing that.

What is Cala?

Cala is an expanding FoodTech company driven by a team of 20+ ultra-talented people working on creating a fully autonomous robotic Commis and managing the first of numerous revolutionary restaurants.

Our mission is to make high-quality food more accessible

Historically, the Fast-food industry has done everything it could to reduce its food cost to cope with increasing real-estate and labor costs. We do the opposite. We use the productivity gains from our robot to invest in high-quality locally sourced ingredients, we prepare them carefully in insanely good and infinitely customizable recipes and serve them in a delightful customer-centric experience.

Our work is structured around 5 core virtues:

We optimize for Long term, Positive, Measurable impact

- We shy away from bullshit metrics and virtue signaling and instead focus on having an impact.

We practice proactive transparency

- We use transparency as the cornerstone of trust we build with our customers and the responsibility we build with our team.

We use rational thinking

- We use first-principle thinking to make informed decisions and deconstruct the status quo.

We move step by step

- We take Gall's law at heart: "All complex systems that work evolved from simpler systems that worked" and build failure and iteration as part of the process.

We get hands-on

- We move exceptionally fast by doing by approaching every problem asking "Can we do it ourselves?"

Who you'll work with 🏀

The hardware team

We value speed a lot so we work in a project-oriented manner. Everyone is the owner of a specific project that they are in charge of delivering. They can gather input and help from other team members (engineers, marketing, kitchen...) and make decisions about how the project should be executed. They are also responsible for proactively communicating their progress to the rest of the team.

We are currently a team of 5: Etienne, mechanical engineer, Ugo, mechatronics engineer, Gregoire, mechatronics engineer, Andy, mechatronics engineer, and Julien, co-founder, and lead hardware. We all work on different systems of the robot and a typical day is spent 3D modeling a system, prototyping it in our workshop, or doing industrial design.

We currently use Fusion 360 as our CAD and CAM software. We use Notion as our knowledge base and Height as our project tracker. Our workshop is equipped with a CNC milling machine, a lathe, sheet metal cutting, and bending equipment - we use it to quickly prototype new systems.

What you'll do 🛠️

  • You'll design complex electromechanical systems with sensor components using traditional and new manufacturing techniques (CNC machining, sheet metal, 3D printing...) and OTS components (mechanical parts, actuators, sensors...)
  • You'll test these systems to make sure that they work according to specs in our full blown workshop (complete with Lathe, CNC machining center, sheet metal & welding equipment)
  • You'll modify certain parts and assemblies to optimize their costs and manufacturability while keeping a continuous feedback loop with the production team
  • You'll find the right vendors and suppliers for producing these parts optimizing for costs, quality and delivery time & consistency
  • You'll have a 360° vision on the projects you work on and own each step of its development up to completion
  • You'll be able to keep you informed about tech news and learn along us as the Project evolve
  • Who you are 🎨

  • You are a creative problem solver and you don't limit yourself to what's been done before
  • You are a strong CAD designer (Solidworks, Fusion 360, Onshape, etc...)
  • You are comfortable in a fast paced environment in which you'll need to make rational decisions on a daily basis
  • You don't get attached to your ideas and are ready to iterate on them if they don't work out
  • You can gather context before starting your work and proactively report your progress and hurdles to your peers and your managers
  • You look for opportunities to pick up new technical skills and soak them up like a sponge. You know your knowledge gaps and know when to seek advice or additional information from your peers, the internet, vendors or experts
  • You are comfortable wearing various hats and filling in the gaps in the team's skills
  • Interview process 📅

    Introduction call (20 min)

    This first step has 2 objectives: clarifying the opportunity by answering every question you might have about the company, the team, the product, the tech; and making sure that you have the right basic requirements for this role, discussing a few topics including key hard or soft skills and prior experiences.

    In-depth meeting (45-60min)

    This second step goes in-depth in your prior experiences to better understand what you are good at, what you don't want to do anymore, and what you'd like to learn. We usually discuss the 3 most recent and relevant experiences you have and ask technical questions.

    Case study & meeting the team (1 day)

    In this third step, we invite you to our office to do the case study. We use this day as a way to understand how you work and how your values align with those of the rest of the team. We also see it as an opportunity for you to meet your potential future colleagues and get an inside view of how we work.

    Reference call

    In this final step, we run a typical reference call process.

    Meet the team

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