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62 research and development engineer jobs at 35 companies in Passaic, NJ

2mo
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Senior Medical Device Research and Development Engineer
Brooklyn, New York, United States
$100k-$160k/yr OnsiteFull Time
Cresilon
Cresilon: Develops plant-based hemostatic gels to stop bleeding instantly.
5+ YOEBS in engineering or related field required, 5+ years product development experience (4+ in cGMP R&D), hands-on medical device R&D, FDA/ISO knowledge, SolidWorks and Microsoft Office proficiency, strong leadership and experiment design skills.
SolidWorks, Microsoft Excel, Microsoft Word, Microsoft PowerPoint
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3mo
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Quantitative Research and Development Director
Jersey City, New Jersey, United States
HybridFull Time
DTCC
DTCC: Provides post-trade infrastructure for the global financial services industry
7+ YOEAdvanced degree in Quantitative Finance, Mathematics, Statistics, Economics, Engineering, or related field; 6–8+ years in fixed income quantitative research or model development; strong Python/SQL; knowledge of fixed income markets.
Python, SQL
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3mo
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Sr. Research and Development Scientist
Totowa, New Jersey, United States
OnsiteFull Time
Cibo Vita
Cibo Vita: Manufacturer of healthy, functional snack foods and confectionery products.
2+ YOEMaster’s in Food Science/Engineering/C Chemistry; 2-4+ years in snack/confectionery R&D; knowledge of hydrocolloids, fiber systems, sugar reduction, moisture control; pilot plant or scale-up experience preferred.
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3w
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Research Engineer, AGI Safety and Alignment, DeepMind
San Francisco or Mountain View or New York City
$174k-$253k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
3+ YOEBachelor's in CS or related,3+ years software/ML engineering or ML research,experience with research teams and large-model training,strong communication and critical thinking.
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Senior Developer - Research and Development
Tarrytown, New York, United States
$94k-$153k/yr HybridFull Time
Regeneron
RegeneronNasdaq: REGN: Discovers and manufactures medicines for serious diseases.
3+ YOEBachelor's in CS/Bioinformatics/Life Sciences, 3+ years software development supporting life‑sciences R&D or lab informatics, Java and Python proficiency, LIMS/ELN experience (Sapio/Benchling/Dotmatics), AI/GenAI experience.
Sapio, Benchling, Dotmatics, Java, Python, SQL, pandas, NumPy, LangChain, LlamaIndex, Claude Code, Claude, Anthropic APIs, OpenAI APIs, Docker, Kubernetes, Jenkins, GitHub Actions, GitHub Copilot, TetraScience, Spotfire, Tableau, Power BI, Jupyter
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Senior Developer - Research and Development
Tarrytown, New York, United States
$94k-$153k/yr HybridFull Time
Regeneron Pharmaceuticals
Regeneron PharmaceuticalsNASDAQ: REGN: Discovers and develops medicines for serious diseases.
3+ YOEBachelor's in CS/Bioinformatics/Life Sciences,3+ years software development for life-sciences R&D,proficiency in Java and Python,experience with LIMS/ELN (Sapio/Benchling/Dotmatics),AI/GenAI and data integrations.
Sapio, Benchling, Dotmatics, Java, Python, SQL, pandas, NumPy, Claude Code, GitHub Copilot, LangChain, LlamaIndex, Anthropic API, OpenAI API, Docker, Kubernetes, Jenkins, GitHub Actions, TetraScience, Spotfire, Tableau, Power BI, Jupyter
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4d
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Research Engineer - Optimization and Dynamical Systems
Florham Park, New Jersey, United States
$113k-$238k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
10+ YOEMaster’s degree in a related technical discipline, 10+ years of experience, algorithm and software development, optimization, signal processing, dynamical systems, Python, C++, Linux, US citizenship, and Top Secret clearance.
Python, C++, Linux
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4d
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Research Engineer - Optimization and Dynamical Systems
Florham Park, New Jersey, United States
$113k-$238k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
10+ YOEMaster’s degree and 10+ years’ experience required; expertise in optimization, signal processing, dynamical systems, Python, C++, Linux, modeling, simulation, testing, and software development. U.S. citizenship and Top Secret clearance required.
Python, C++, Linux
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1mo
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Senior Research Engineer - Safety Tooling and Data
Toronto or San Francisco or New York City or London or Paris or Montreal or Seoul or Edinburgh or Germany
$270k-$380k/yr RemoteFull Time
Cohere
Cohere: Provides enterprise-grade large language models and AI software platforms.
Senior-level software engineering and statistical skills to build data synthesis, analysis, and management tooling for model training and evaluation; proficiency with Python and ML frameworks; ownership of end-to-end projects.
Python, PyTorch, TensorFlow, JAX
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6d
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Senior Director, Research & User Intelligence, Customer and Developer Experiences
McLean or Cambridge or New York City or San Francisco
$270k-$336k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: A diversified financial services providing banking and credit products.
8+ YOE2+ MgmtRequires 8+ years in user research, data science, customer experience, or product management; 3+ years analyzing qualitative and quantitative data; and 2+ years managing researchers, analysts, or data scientists.
AI, behavioral analytics, synthetic data
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1w
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Tech Lead Research Scientist/Engineer, Neural Graphics and World Models - TikTok
San Jose or Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
$254k-$588k/yr OnsiteFull Time
TikTok
TikTok: Global short-form video hosting and social media platform.
5+ YOEPhD/MS or equivalent research experience; 5+ years in neural graphics, generative AI, computer graphics, or related fields; deep ML expertise; PyTorch or JAX fluency; 3D/graphics specialization.
PyTorch, JAX, SIGGRAPH, CVPR, ICCV, ECCV, NeurIPS, ICML, ICLR, RSS, CoRL
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6d
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Senior Director, Research & User Intelligence, Customer and Developer Experiences
McLean or Cambridge or New York City or San Francisco
$270k-$336k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Provides credit card, banking, and auto loan services.
8+ YOE2+ MgmtRequires 8+ years in UX research, data science, customer experience, or product management; 3+ years analyzing qualitative and quantitative data; and 2+ years managing researchers, analysts, or data scientists.
AI
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1mo
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Senior Director, Research & User Intelligence, Customer and Developer Experiences
McLean or San Francisco or Cambridge or New York
$270k-$308k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
8+ YOE2+ MgmtSenior research leader with 8+ years in UX research/data science/customer experience/product management, 3+ years analyzing qualitative and quantitative data, 2+ years managing researchers, experience building research programs and using AI-enabled discovery.
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2mo
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LLM Researcher and Engineer
New York City, New York, United States
$450k-$1000k/yr HybridFull Time
D. E. Shaw Research
D. E. Shaw Research: Developing custom supercomputers for biomolecular simulation and drug discovery.
Expertise in large-scale ML systems, LLM architecture/training, multimodal learning, and strong Python programming; experience with distributed training, pre/post-training techniques, and model scaling.
Python
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RESEARCHER (SOFTWARE ENGINEER) in Data Science and Cultural Heritage
New York City, New York, United States
$63k-$65k/yr OnsiteFull Time
New York University
New York University: A private research university providing higher education degree programs.
Master's or equivalent experience; demonstrated software development and deployment; Python required; full-stack and API design; databases and data modeling; ML/LLM integration; user-centered design and strong communication.
Python, LLM, machine-learning, APIs, DAMS, GIS, NVIDIA, cloud AI platforms
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1d
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2027 L'Oréal USA Summer Internship - Research & Innovation - Undergraduate (NJ)
Clark or New York City
$27-$30/hr HybridInternship, Full Time
L'Oréal
L'OréalEuronext Paris: OR: Manufactures and sells personal care, skincare, and cosmetic products globally.
Undergraduate student graduating Dec 2027–Jul 2028 with a 3.5+ GPA, bachelor's degree in chemistry, engineering, or related life sciences; laboratory experience and US permanent work authorization required.
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AMI Engineer (Platform and Infra) Singapore
Paris or Montreal or New York City or Singapore
OnsiteFull Time
Advanced Machine Intelligence
Advanced Machine Intelligence: Developing frontier world model-based artificial intelligence systems.
Bachelor's in Computer Science or equivalent; proficiency in Python; ability to design, run, and analyze experiments; knowledge of ML fundamentals and large-scale accelerator (GPU/TPU) training environments; deep learning framework experience preferred.
Python, PyTorch, JAX, GPU, TPU
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3d
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Computational Research Scientist (Two-Dimensional Materials and Low-Pressure Processing Plasma)
Princeton, New Jersey, United States
$111k-$178k/yr OnsiteFull Time
Princeton University
Princeton University: A private Ivy League research university.
3+ YOEPh.D. in physics, engineering, or related field; 3+ years in academic, scientific, or R&D work; expertise in first-principles, molecular dynamics, plasma processing, high-performance computing, publications, and collaboration.
VASP, CP2K, Gaussian, Quantum ESPRESSO, LAMMPS, Density Functional Theory (DFT), Molecular Dynamics (MD), Ab Initio Molecular Dynamics, Machine Learning
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3d
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Associate Principal Scientist Engineer, Drug and Device Combination Products (Onsite)
Rahway, New Jersey, United States
$142k-$224k/yr OnsiteFull Time
Merck & Co.
Merck & Co.NYSE: MRK: Develops and manufactures prescription medicines, vaccines, and animal health products.
7+ YOEBachelor's or master's degree in engineering, chemistry, pharmaceutical sciences, or equivalent; 7+ years in method development, validation, and testing; team leadership in regulated industry preferred.
Center of Excellence (CoE), Good Manufacturing Practice (GMP), Design Failure Mode and Effect Analysis (DFMEA), Quality Management Systems (QMS)
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1w
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Discovery Program: Quantitative Trading and Quantitative Strategy Development (On-site)
New York, New York, United States
OnsiteInternship
Susquehanna International Group
Susquehanna International Group: Global quantitative trading and market making firm.
Open to students graduating winter 2028 or spring 2029; resume required. Looking for majors in math, computer science, engineering, physics, statistics, finance, or economics.
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