Software Developer – Numerical Algorithms Job at COMSOL (Burlington)

Software Developer – Particle-Based Methods

COMSOL, Inc. is looking for a software developer to strengthen the development t...

Location

United States , Burlington

Salary:

135000.00 - 155000.00 USD / Year

COMSOL

Expiration Date

Until further notice

Requirements

Ph.D. in Applied Science or Applied Mathematics
Expertise in at least one of the following numerical simulation methods: Lagrangian particle tracking, Discrete element method (DEM), Molecular dynamics (MD), Smoothed particle hydrodynamics (SPH), Particle-in-cell (PIC)
Demonstrated experience with mathematical modeling
Proven programming experience in C++/Java
Excellent technical writing skills

Job Responsibility

Collaborate with team members to analyze simulation requirements and define technical specifications
Design and implement robust, efficient numerical methods and simulation algorithms in C++ and/or Java
Conduct testing and verification of code, produce clear documentation, and ensure maintainability of the software modules
Participate in product design and innovation for simulation software applied to real-world engineering problems
Work with cross-discipline teams to deliver impactful solutions

What we offer

Health and 401(k) plans with a company match and other benefits
Generous vacation time
A spacious, bright, and comfortable office with private workspaces
A surrounding office park with onsite restaurants, hotels, bars, and a free fitness center with workout classes

Fulltime

R&D Scientist/Engineer

ARiA is looking for highly motivated self-starters and low-ego team players to j...

Location

United States , Madison; Alexandria; Seattle

Salary:

Not provided

Applied Research in Acoustics

Expiration Date

Until further notice

Requirements

Master’s degree or greater (Ph.D. is desirable) in a relevant technical field (Acoustics, Electrical Engineering, Computer Science, or similar) or equivalent professional experience
Appropriate experience working in the field of signal processing in radar or sonar (waveform design, detection and classification, beamforming, etc.) and/or machine learning for acoustic or image data or AI (supervised and unsupervised learning, deep learning, kernel machines, latent semantic analysis, etc.)
Facility designing and developing code in modern programming/scripting languages such as C, C++, Java, Matlab, and Python
Exceptional ability and desire to acquire new knowledge and skills to solve challenges
Ability to work independently but collaboratively
Ability to manage multiple projects in a fast-paced professional office environment
Ability to communicate technical solutions to colleagues and customers
Superior oral and written communications skills
Applicants selected for employment will be subject to a government security investigation and must meet eligibility requirements, including U.S. citizenship, for access to sensitive information

Job Responsibility

Formulation and prototype implementation of original concepts and algorithms in numerical modeling, sonar-signal processing, and/or machine learning/artificial intelligence (AI)
Testing and evaluation of new algorithms based on theoretical analysis and experimental evaluation
Coordination with ARiA scientists and engineers in the development of algorithms and software products
Presentation of findings and results at scientific meetings and program reviews
Serving as a technical lead on projects by setting technical direction as well as mentoring and supporting the work of more junior colleagues
Supporting the transition of research algorithms to real-time operational prototypes through coordination with software engineers inside and outside of ARiA
Preparing documentation for customers to summarize design and status of software prototypes and products
Assisting with in-field integration, testing, and support, with some local travel required

Fulltime

Senior Robotics Controls Engineer

We’re looking for curious, driven, and passionate people who want to help shape ...

Location

United States , Palo Alto

Salary:

137861.00 - 240000.00 USD / Year

1X Technologies

Expiration Date

Until further notice

Requirements

3+ years of practical experience deploying and debugging controls or estimation‑adjacent software on high‑degree‑of‑freedom robots
Solid understanding of rigid body dynamics, linear algebra, and numerical optimization
Familiarity with optimization‑based whole body control, extended Kalman filter (EKF)‑based state estimators, or model predictive control for legged systems
Proficiency working with large C++ code bases in a Linux development environment
Familiarity with modern software development practices, source control, and testing methodologies

Job Responsibility

Develop humanoid controls algorithms for balancing, locomotion, and manipulation
Design fast and efficient state‑estimation algorithms
Perform system identification (SysID) and calibration of actuators, transmissions, and full‑body kinematics
Integrate hardware components and evaluate sensors
Build tooling for hardware bring‑up and debugging
Develop software for robot health monitoring, visualization, and logging
Build and maintain APIs used by other software components to command the robot

What we offer

Health, dental, and vision insurance
401(k) with company match
Paid time off and holidays

Fulltime

Software Engineer, Computational Geometry

We are looking for a Software Engineer with deep expertise in computational geom...

Location

United States , Mountain View

Salary:

150000.00 - 220000.00 USD / Year

Kodiak Robotics

Expiration Date

Until further notice

Requirements

Strong background in computational geometry, linear algebra, and applied mathematics (MS, PhD, or equivalent experience)
Expert-level modern C++ skills with a track record of production-quality, high-performance libraries
Deep grasp of CPU/GPU architecture, cache/memory layouts, SIMD, and parallel algorithms
A rigorous, test-driven mindset with high standards for software quality and mathematical correctness
Excellent collaboration and communication skills, able to work across teams and explain complex ideas clearly
Hands-on, proactive approach to problem-solving and performance tuning

Job Responsibility

Build the core library: Design, implement, and maintain a library of computational geometry algorithms in modern C++
Develop primitives: Create and optimize fundamental operations, such as distances, intersections, projections, polygon operations, and convex hulls, for complex geometries
Maximize performance: Profile and optimize code for CPU architectures (especially x86), leveraging cache-efficient data layouts, and instruction-level parallelism
Ensure reliability: Establish a testing framework to guarantee numerical stability, robustness, and correctness at scale
Enable visibility: Develop tools for visualizing, debugging, and validating geometric computations
Collaborate & integrate: Partner with other engineering teams to design clean APIs and integrate the geometry library into larger systems
Innovate: Research and apply state-of-the-art methods from academia and industry to tackle novel geometric challenges

What we offer

Competitive compensation package including equity and biannual bonuses
Excellent Medical, Dental, and Vision plans through Kaiser Permanente, Anthem, and Guardian (including a medical plan with infertility benefits)
Flexible PTO and generous parental leave policies
Office perks: dog-friendly, free catered lunch, a fully stocked kitchen, and free EV charging
Long Term Disability, Short Term Disability, Life Insurance
Wellbeing Benefits - Headspace, One Medical, Gympass, Spring Health
Fidelity 401(k)
Commuter, FSA, Dependent Care FSA, HSA
Various incentive programs (referral bonuses, patent bonuses, etc.)

Fulltime

Numerical optimization specialist

As a member of our R&D teams, you will apply your digital skills in the field of...

Location

France , Paris

Salary:

Not provided

Artelys

Expiration Date

Until further notice

Requirements

Holder of a PhD in applied mathematics or operations research, or have equivalent experience of at least 3 years after obtaining an engineering degree or higher education qualification
proficiency in Python or C/C++ programming language
expertise in various optimization methods: graph theory, continuous optimization algorithms, combinatorial optimization algorithms, nonlinear optimization, etc.
proficiency in designing and optimizing algorithms for high performance computing (HPC) environments
fluency in English

Job Responsibility

Apply digital skills in the field of operations research to design and develop cutting-edge optimization solvers
work on various types of digital libraries developed by Artelys
develop new algorithmic features combining mathematics and computer science
maintain a high level of software robustness and performance
develop solutions for numerical and combinatorial optimization software, computation modules for clients, or prototypes within research projects

What we offer

Flexible working hours
offices located in the city center

Fulltime

Simulation development

Location

China , Wuxi

Salary:

252000.00 - 360000.00 CNY / Year

Randstad

Expiration Date

May 31, 2026

Requirements

5 years+ relevant work experience
Requires a master’s degree or above in Mechanical Engineering, Computer Science, or related fields
Familiarity with development, testing, and release management processes
Experience in numerical methods and algorithm optimization
Develop a deep working knowledge of operation and application of construction machinery and mining equipment
Build machine simulation model, scope of which include linkage, tire and soil / rock etc.
Integrate sub-system models, including power system, hydraulic system, control system and operator model etc.
Assess the simulation model issues and debug the model efficiently
Responsible for model garage development and simulation model management
Rigid body kinematics analysis of complex systems

Job Responsibility

Develop and maintain simulation software for engineering applications in construction machinery
Implement and optimize algorithms for soil, rock, tire and ground interaction modeling
Collaborate with simulation engineers to integrate models for working tools, tires, and tracks
Perform simulation task to support product research and development
Perform software testing, debugging, and validation to ensure accuracy and reliability
Manage software release processes, including version control and documentation
Continuously improve simulation accuracy, efficiency, and automation

Senior Robotics Software Engineer, Planning and Control

As a Senior Robotics Software Engineer, Planning and Control at Chef Robotics, y...

Location

United States , San Francisco

Salary:

150000.00 - 260000.00 USD / Year

Chef Robotics

Expiration Date

Until further notice

Requirements

BS, MS, or PhD in Computer Science, Robotics, Electrical Engineering, Mechanical Engineering, or related field
7+ years of professional experience in robotics software development with focus on planning and control
Expert-level proficiency in Python and/or C++ with strong software engineering fundamentals
Deep understanding of motion planning algorithms including sampling-based, optimization-based, and learning-based approaches
Extensive experience with trajectory optimization, path planning, and trajectory smoothing techniques
Proven experience leading and shipping complex robotics planning and control projects
Strong background with real-time control systems and feedback control design
Advanced knowledge of robotic motion planning including RRT, PRM, and optimization-based planning methods
Experience with trajectory optimization techniques and numerical optimization methods
Understanding of control theory including PID, model predictive control, and adaptive control strategies

Job Responsibility

Lead the development of classical and learning-based motion planning algorithms for complex food preparation workflows
Design and implement trajectory optimization systems that balance speed, safety, and precision across multi-step recipes
Develop robust path planning algorithms that handle dynamic obstacles and changing kitchen environments
Create adaptive planning systems that can replan in real-time based on changing conditions or recipe modifications
Implement global and local planning strategies for efficient task sequencing and execution
Design and implement advanced control algorithms for precise robot motion during food preparation tasks
Develop real-time control systems that ensure smooth trajectory execution with appropriate safety constraints
Create feedback control loops that adapt to unexpected situations and maintain system stability
Implement model predictive control and other advanced control techniques for optimal performance
Design fail-safe mechanisms and emergency stop procedures for safe operation in commercial environments

What we offer

Medical, dental, and vision insurance
Commuter benefits
Flexible paid time off (PTO)
Catered lunch
401(k) matching
Early-stage equity

Fulltime

Applied Research Scientist, Computational Mathematics, Physics, & Controls

We are seeking an applied research scientist and research engineer with a backgr...

Location

United States , Redmond

Salary:

184000.00 - 257000.00 USD / Year

Software Developer – Numerical Algorithms

COMSOL

Location:
United States , Burlington

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 07, 2025

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