Senior / Staff Mechanical Engineer - R&D

Fulfil is a well-funded, rapidly growing, and inclusive company that has developed a custom automation robotics system to pick and pack online orders of groceries and other consumables, bringing delight and a value proposition to consumers that doesn’t exist today. Additionally, its unique design and technology is purpose-built to solve today’s environmental problems in the world’s food supply chain. Founded by a team with previous startup success and backed by top-tier VCs, we are committed to reducing waste, improving environmental impact, and reducing emissions with truly new technology. Our first commercial product launch went live in 2024, we deployed more in 2025 and are in line for even more in 2026.

We can’t do it alone -- we’re seeking curious, capable, passionate team members motivated by the opportunity to create lasting impact on the world through their work. This role offers ample growth opportunities while working side-by-side with an impassioned, multi-disciplinary team spanning mechanical design, software, computer vision, systems integration, and ops to design and operationalize world-changing technology.

Fulfil is committed to creating an inclusive culture, and we celebrate diversity of all kinds. If this sounds like the kind of environment that you find intriguing, then please apply even if you don’t feel you meet all the requirements listed below. We'd love to hear from you.

Your Responsibilities

As a Senior/Staff Mechanical Engineer, you will productize Fulfil’s proprietary technology while conceptualizing and developing new features and equipment to take it to the next level.. This role offers the opportunity to work closely on a complex multi-robot system with a cross-functional engineering team ranging from R&D Hardware Design, Systems, Process and Operations. You will have ownership of our automation equipment with a focus on upgrading the current design for robust performance, cost down, mass deployment and manufacturing, and certification while ensuring that design intentions are achieved and maintained through generational changes.

In this role you will:

Develop and implement new equipment or functionality to improve the Fulfil technical ecosystem

Own proprietary automation system design with a focus on functional and efficient deployment, large-scale manufacturing and lifetime productivity and reliability

Identify and implement mechanical design improvements and product changes to solve issues. Verify your improvements effectiveness with a data driven approach

Lead cost reduction and reliability improvement efforts for mature products

Align work to the company business roadmap. Evaluate value of work by trading reliability, opex, capex, throughput, and opportunities to increase performance

Lead 3D CAD and BOM generation, perform detailed design work on large complex systems

Create detailed component and assembly drawings using GD&T

Work with the Manufacturing teams to create processes, tests, and procedures to improve machine reliability and manufacturing and assembly efficiency.

Work with NPI and Operations teams to drive hardware deployment in new facilities

What We’re Looking For

4-8 years of experience designing and building complex mechanical systems

Bachelor’s or master’s degree in mechanical engineering or equivalent

Experience with DFM, DFMEA, 8D, six sigma, relevant engineering tools

Experience with CAD, ideally Solidworks

Ability to travel when we deploy new sites - could be up to 30% of the time for a few months of the year

Hands on aptitude – able to dive in and troubleshoot issues

Ability to generate ideas in response to complex issues and execute on solutions

Desire to work in a startup environment

Cares about the world and wants to have an impact on it

What we’d love to see

Expert in Solidworks PDM, Arena Solutions PLM

Proven record of bringing concepts to production in low turnaround

Experience in motor system sizing

Experience in overseeing engineering products made in large quantities

Experience designing robust automation equipment

Experience in food tech and/or automation

Not afraid of robots

What You Get

A chance to be a member of a startup with equity

Ability to solve complex problems with a world-class team

Flexibility to occasionally work from home when collaboration isn’t needed

A low-ego company culture that is obsessed with feedback and helping each other grow

Medical, dental, and vision coverage, with 401K, life and disability coverage as well

Generous paid time off

The salary range for this position is $135,000- $175,000 depending on experience

At Fulfil we value diversity and always treat all employees and job applicants based on merit, qualifications, capabilities, and talent. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.