Referso Jobs

Lead the design and evolution of our localization architecture
Design and implement robust, real-time algorithms for sensor fusion, visual/LiDAR odometry, and global localization
Develop pipelines to generate, maintain, and query High-Definition (HD) maps
Work on priors-based localization and semantic map matching
Solve the stale map problem by designing systems for change detection

Requirements

M.S. or Ph.D. in Robotics, Computer Science, Electrical Engineering, or a related field
Nice to have: Experience shipping localization stacks for deployed autonomous vehicles or mobile robots
Nice to have: Hands-on experience with LOAM, lego-LOAM, ORB-SLAM, or VINS
Nice to have: Experience with CUDA/GPU programming or optimization for ARM-based embedded platforms

Skills

Modern C++ (14/17/20)probabilistic robotics Kalman Filtering (EKF, UKF)

Perception & State Estimation Engineer - DoorDash Air

DoorDash USA · Posted Nov 3, 2026

Open

San Francisco, California, United States
Full-time · Senior
$199K–$292K per year

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Compensation

The national base pay range for this position within the United States, including Illinois and Colorado. $198,600—$292,000 USD

Responsibilities

Own and develop the perception and state estimation for package pickup and delivery system
Influence system design decisions, including sensor selection, sensing architecture, and observability analysis
Own tuning and implementation of the state estimation stack on the drone (PX4 EKF modifications, fault tolerance, multi-sensor fusion with VIO and laser odometry)
Own state estimation and perception of the delivery mechanism, including dynamics modeling, observation model design, and sensor selection
Work closely with controls and planning to close the loop on automated pickup and delivery

Requirements

MS/PhD degree in CS, EE, ME, Robotics, or related technical field
Nice to have: PX4 / ArduPilot EKF internals
Nice to have: multi-body state estimation
Nice to have: SLAM in GPS-denied environments
Nice to have: publications or open-source contributions

Skills

state estimation EKF UKF

PNT Software Engineer

Ulysses Inc. · Posted Nov 3, 2026

Open

San Francisco, California, United States

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PNT (Positioning, Navigation, and Timing) Software Engineer focused on localization technologies for autonomous surface and subsea vehicles.

Responsibilities

Architect and implement tightly‑coupled navigation for subsea and surface vehicles using factor graphs
Fuse IMU, DVL, pressure, USBL/SBL acoustic positioning, and GNSS/RTK when surfaced
Keep position error bounded across multi‑day dives
Contribute to vision and acoustic localization for docking and recovery
Fuse radar, AIS, and EO/IR cameras for collision avoidance and COLREGs‑compliant autonomy

Requirements

Nice to have: marine navigation
Nice to have: DVL
Nice to have: USBL/SBL
Nice to have: INS
Nice to have: multibeam

Skills

state estimation Kalman filtering factor graphs nonlinear least‑squares optimization observability analysis inertial navigation IMU error modeling preintegration sensor fusion camera intrinsics extrinsics calibration camera‑IMU calibration Rust C++Python

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SLAM / Computer Vision Intern, RIVR

Amazon · Posted Nov 3, 2026

Open

Zurich, Zurich, Switzerland
On-site
Internship · Intern

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As a SLAM Intern, you will join our team to advance the localization and mapping capabilities of our last-mile delivery robot. Your work will directly shape how our robot perceives and navigates complex urban environments.

Responsibilities

Work closely with senior engineers to integrate SLAM modules with hardware components and contribute ideas to enhance system robustness and accuracy.
Support the team in benchmarking, evaluating, and developing novel state-of-the-art localization and mapping algorithms for robotic applications.
Engage in continuous learning and gain exposure to recent developments from the SLAM and computer vision literature.
Fine-tuning perception algorithms for drone navigation
developing simulation scenarios to test edge cases in warehouse robotics

Requirements

BSc in Computer Science
Robotics
Engineering
Nice to have: SLAM systems implementation
Nice to have: dense visual SLAM

Skills

Computer vision SLAM 3D geometry C++Python

Senior Robotics Engineer – Multi-Object Tracking (m/f/d)

Senior Robotics Engineer – Multi-Object Tracking (m/f/d)

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Principal Engineer, Mapping and Localization

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Perception & State Estimation Engineer - DoorDash Air

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PNT Software Engineer

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SLAM / Computer Vision Intern, RIVR

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GTSAM jobs

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