Casting & Quality Engineer

YES!Delft Students; Rotterdam; Hybrid; EUR 21,000 - 30,000; Part time

Benefits offered by this job

Competitive pay

Flexible schedule

Job summary

AddOptics in Rotterdam is seeking a Casting Engineer to join our production team. You will own the casting workflow for prescription AR lenses, while also prototyping tools, jigs and fixtures using 3D printers and laser cutters.

You'll measure and analyze products to ensure top-quality lenses reach customers worldwide, with a focus on precision, ownership, and hands-on problem solving. Ideal for 2nd/3rd year BSc or MSc students seeking real-world hardware experience.

Qualifications

• Hands-on engineering experience in prototyping labs or makerspace.
• Experience with 3D printers and laser cutters.
• Familiarity with 3D CAD tools such as Fusion 360.

Responsibilities

• Execute the casting process for prescription AR lenses as part of the production team.
• Design improvements using prototyping tools, operating 3D printers and laser cutters to create fixtures.
• Perform measurements and quality checks to ensure high-quality lenses for global customers.

Skills

Hands-on engineering

3D CAD modeling

Attention to detail

Ownership

Prototyping mindset

Student side job

Education

BSc or MSc student

Tools

3D printers

Laser cutters

Fusion 360

Job description

At our Rotterdam headquarters, we are perfecting a unique manufacturing process for prescription Augmented Reality (AR) lenses. We don’t just design; we build. As a Casting Engineer, you will be a core member of our production team. You won’t just be executing a process; you’ll be owning it, refining it, and helping us solve the physical puzzles of high-end wearable tech.

The Mission

At our Rotterdam headquarters, we are perfecting a unique manufacturing process for prescription Augmented Reality (AR) lenses. We don’t just design; we build. As a Casting Engineer, you will be a core member of our production team. You won’t just be executing a process; you’ll be owning it, refining it, and helping us solve the physical puzzles of high-end wearable tech.

What You’ll Be Doing

• Precision Casting: Execute the casting process for prescription AR lenses using our proprietary resin systems, as part of our production team.
• Design Improvements: Beyond casting, you will work with in-house prototyping tools. You’ll be operating 3D printers and laser cutters to create jigs, fixtures, and tools that improve our workflow.
• Quality Control: Perform measurement and analysis of our products. You help the team make sure our global customers receive only the best quality lenses.

What We’re Looking For

• The Prototyping Mindset: You are comfortable with hands-on engineering. If you’ve spent time in a makerspace or lab with 3D printers and laser cutters, you’ll fit right in. 3D CAD modeling experience is a plus (Fusion 360 or similar)
• Punctuality & Precision: You understand that in optics, the details are the product. You take pride in high-standard, repeatable work.
• Ownership: You don’t just wait for instructions; you see a way to make a tool better and you take the initiative to fix it.
• Student Side Job: Ideally a 2nd/3rd year BSc or a Master's student looking to apply their technical knowledge to real-world hardware.

Why Join AddOptics?

• Be a Core Contributor: In our lean team, your work is visible and vital. You’ll work directly with senior engineers and have a real impact on our manufacturing success.
• Deep-Tech & Rapid Prototyping: Gain experience with the hardware and processes powering the next generation of AR devices.
• Competitive Pay & Flexibility: We offer a solid hourly wage and a schedule that respects your exam periods and deadlines.