Computer Vision Engineer

Quell is a high-growth British defence and security AI technology start-up developing solutions to counter drone, vehicle, and human threats across the military, civilian and critical national infrastructure sectors.

Based near Cambridge, we are seeking exceptional Computer Vision Engineers to design and develop advanced optical systems used in monitoring, tracking, and computer vision applications. This is a hands-on, multidisciplinary role working across the full product lifecycle—from concept and design through to prototyping, testing, and product release.

Key Responsibilities

Designing, modelling, and validating optical systems including lenses, mirrors, mounts, and electro-optic sensors

Developing optical solutions for high-performance monitoring, tracking, and computer vision applications (VIS, NIR, FIR)

Using ray-tracing and simulation tools (e.g., OpticStudio or equivalent) to model and optimise optical components

Selecting suitable materials and components for high-performance optical assemblies

Collaborating closely with multidisciplinary teams including engineers, technicians, and product managers

Developing machine-vision systems to meet demanding technical and reliability requirements

Supporting prototype builds, system integration, testing, and validation

Managing workstreams independently and ensuring timely delivery of project milestones

Requirements

Degree in Optical Engineering, Physics, Electrical Engineering, or related field (Master's/PhD preferred)

Experience designing optical systems, particularly in electro-optics or machine vision

Strong understanding of optical design principles including ray tracing, lens design, and simulation

Familiarity with optical test methods and performance validation

Knowledge of opto-mechanics, electronics, image processing, and electro-optical systems

Proficiency with ray-tracing software (e.g., OpticStudio or similar)

Strong organisational skills and ability to manage tasks independently

Comfortable working onsite in the Cambridge area

Experience working with laser systems

Knowledge of infrared optics (NIR/FIR)

Experience working in multidisciplinary or agile engineering environments

Details

Location: North Uttlesford / Greater Cambridge area, on-site

Five days a week on-site (ie: this is not a hybrid role)

Full UK driving licence required. If this isn't held, candidates will need to commit to obtaining within 6 months of their start date

Applicants must be fully eligible to work in the UK without restriction, time limit, or the need for current or future sponsorship.

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