Machine Learning Engineer, Content and Navigation Job at Whatnot (San Francisco, CA, New York, NY, Los Angeles, CA, Seattle, WA)

Associate Director, Reinforcement Learning (ML)

Lead Amgen’s strategy and execution for Reinforcement Learning from Human Feedba...

Location

United States , Thousand Oaks; Jacksonville

Salary:

Not provided

Amgen

Expiration Date

Until further notice

Requirements

Doctorate degree and 3 years of Computer Science, IT or related field experience
Master’s degree and 5 years of Computer Science, IT or related field experience
Bachelor’s degree and 7 years of Computer Science, IT or related field experience
Associate’s degree and 12 years of Computer Science, IT or related field experience
High school diploma / GED and 14 years of Computer Science, IT or related field experience
Deep, hands-on expertise in Reinforcement Learning from Human Feedback (RLHF) and/or advanced reinforcement learning, including reward modeling, policy optimization, exploration strategies, and offline/online evaluation
Demonstrated experience deploying RLHF or RL systems into production for real-world applications (e.g., large language models, recommendation systems, decision support tools, or workflow automation), ideally in healthcare, life sciences, or other regulated domains
Strong background in modern machine learning and deep learning, with practical experience in Python and frameworks such as PyTorch or TensorFlow, and familiarity with LLM ecosystems and tooling
Experience driving sophisticated, cross-functional initiatives, collaborating with non-technical stakeholders (e.g., physicians, scientists, commercial leaders, compliance, legal) and translating needs into impactful AI solutions
Strong ability to communicate complex technical topics simply, tailoring content to senior executives and non-technical audiences

Job Responsibility

Lead the design and development of RLHF systems including reward modeling, policy optimization, safety and alignment mechanisms, and evaluation frameworks for large language models and other AI systems
Drive hands-on technical execution, particularly for high-impact projects, reviewing architectures, experimentation plans, and code, and helping the team navigate scientific and engineering trade-offs
Establish best-practice pipelines for human feedback, partnering closely with internal customer teams to define feedback protocols, annotation quality standards, and governance for RLHF data
Define and track success metrics for RLHF systems, balancing offline and online evaluation, A/B tests, safety and robustness criteria, and business or scientific outcomes
Collaborate across Amgen leaders to ensure RLHF solutions are aligned with strategy, compliant with policy, and integrated into real workflows
Partner with Data, Platform and Technology teams to ensure that RLHF workloads are supported by scalable data platforms, model hosting, experimentation infrastructure, and MLOps best practices
Champion responsible and compliant AI, working with Legal, Compliance, and Information Security to implement governance around human feedback, data usage, model behavior, transparency, and risk management in a regulated environment
Communicate insights and influence senior stakeholders, creating clear narratives, roadmaps, and recommendations that help executives understand RLHF trade-offs, risks, and opportunities

What we offer

A comprehensive employee benefits package, including a Retirement and Savings Plan with generous company contributions, group medical, dental and vision coverage, life and disability insurance, and flexible spending accounts
A discretionary annual bonus program, or for field sales representatives, a sales-based incentive plan
Stock-based long-term incentives
Award-winning time-off plans
Flexible work models where possible

New

Sr. Scientist, UberEats Applied AI (Machine Learning)

Working at Uber means solving hard problems in a high-stakes, fast-moving enviro...

Location

United States , San Francisco; Sunnyvale

Salary:

190000.00 - 211000.00 USD / Year

Uber

Expiration Date

Until further notice

Requirements

Ph.D., M.S., or Bachelors degree in Statistics, Economics, Operations Research, or other quantitative fields
Minimum 4 years of industry experience as an Applied or Data Scientist or equivalent (2+ years if holding a Ph.D.)
Proficiency in Python or R with experience handling large-scale datasets using Spark, Hive, or PySpark
Proven experience in building and training Deep Learning models
Solid understanding of statistical methods, experimental design, and A/B testing

Job Responsibility

Design and implement ML algorithms and objective functions that unify competing business interests like organic relevance and sponsored content into a single value space
Act as the science lead for foundational machine learning initiatives, unblocking technical debt and optimizing feature engineering for high-scale, real-time systems
Navigate the ambiguity of user behavior by designing sophisticated experiments and causal inference frameworks that go beyond standard A/B testing
Collaborate across disciplines (Product, Engineering, and Data Science) to translate high-level business goals into theoretically sound and performant technical roadmaps
Research and apply advancements in Deep Learning, Reinforcement Learning, and GenAI to solve complex, high-impact problems without a clear starting point
Own your algorithms/ML workflow, from the first scientific hypothesis to debugging production issues in real-time, low-latency environments

What we offer

Eligible to participate in Uber's bonus program
May be offered an equity award & other types of comp
All full-time employees are eligible to participate in a 401(k) plan
Eligible for various benefits (details at provided link)

Fulltime

Kofax Imaging Developer

Location

United States , Atlanta

Salary:

Not provided

Ocean Blue Solutions

Expiration Date

Until further notice

Requirements

Over 8+ years of experience in System analysis, design and development of Document Management Systems, Record management, Enterprise Content Management processes and workflow solutions
Solid experience with Kofax Capture 11, KTM 6, KCIC, KCNS and/or Kofax (Tungsten) Total Agility platforms, IBM Content Management and OpenText/RightFax systems
Proven track record of design and deploying the enterprise-scale capture solutions and automate information intensive processes
Design and develop the imaging, workflow solutions, client/server, win forms, web-based applications using .Net and Java technologies on different layers of the infrastructure with scalable and high availability systems
Programming skills in VB.Net, C#.Net, MVC, ASP.net, .Net Core, WinForms, WCF, WPF, LINQ, Entity Framework and backend RDBMS databases using MS SQL Server and DB2 and/or PostgreSQL
Experience with Various Scripting Languages like VB Script, Java Script, SBL and Win Wrap Basic
OCR/ICR and Barcode technologies, image preprocessing, and machine learning-based classification experience
Extensive experience automating the data and documents extraction methods is required
Develop custom workflows, export connectors using C#.Net, JAVA and CM APIs to integrate back-end IBM EE Content Management Systems
Worked on different documents (Structured, Unstructured and semi-structured)

Job Responsibility

Under general supervision, design and develop imaging solutions and major enhancements to scanning and faxing systems

New

Data Analyst

Lightcast is seeking detail-oriented, data-driven professionals with strong Dutc...

Location

Netherlands

Salary:

Not provided

Lightcast

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Linguistics, Data Analytics, NLP, or a related field (preferred)
Fluency in reading and writing Dutch and English, with strong attention to linguistic detail
Understanding of syntax and structural language analysis
Proficiency in Microsoft Excel (including VLOOKUPs, functions, and data cleanup)
Working knowledge of query languages such as SQL
Advanced experience writing and debugging rules using RegEx
Familiarity with text analysis, NLP, or machine learning fundamentals
Experience performing data analysis using tools such as Excel and/or Python
Comfort working with high-volume, repetitive tasks while maintaining accuracy and focus
Ability to follow complex instructions, navigate ambiguity, and work independently

Job Responsibility

Analyze, evaluate, and improve the quality of multilingual text classifier outputs
Partner with linguistics and engineering teams to develop and refine language-specific parsers
Translate and validate taxonomy content such as Skills, Titles, and Occupations from English to Dutch (and/or Dutch to English as needed)
Identify patterns in data errors and contribute to ongoing improvements in rules, logic, and workflows
Document findings clearly and follow established processes to ensure consistency and quality

Fulltime

New

Data Analyst (Arabic dialects)

Lightcast is seeking detail-oriented, data-driven professionals with strong Arab...

Location

Salary:

Not provided

Lightcast

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Linguistics, Data Analytics, NLP, or a related field (preferred)
Fluency in reading and writing and English, with strong attention to linguistic detail
Understanding of syntax and structural language analysis
Proficiency in Microsoft Excel (including VLOOKUPs, functions, and data cleanup)
Working knowledge of query languages such as SQL
Advanced experience writing and debugging rules using RegEx
Familiarity with text analysis, NLP, or machine learning fundamentals
Experience performing data analysis using tools such as Excel and/or Python
Comfort working with high-volume, repetitive tasks while maintaining accuracy and focus
Ability to follow complex instructions, navigate ambiguity, and work independently

Job Responsibility

Analyze, evaluate, and improve the quality of multilingual text classifier outputs
Partner with linguistics and engineering teams to develop and refine language-specific parsers
Translate and validate taxonomy content such as Skills, Titles, and Occupations from English to Arabic (and/or Arabic to English as needed)
Identify patterns in data errors and contribute to ongoing improvements in rules, logic, and workflows
Document findings clearly and follow established processes to ensure consistency and quality

Fulltime

New

Data Analyst

Lightcast is seeking detail-oriented, data-driven professionals with strong Mand...

Location

Salary:

Not provided

Lightcast

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Linguistics, Data Analytics, NLP, or a related field (preferred)
Fluency in reading and writing and English, with strong attention to linguistic detail
Understanding of syntax and structural language analysis
Proficiency in Microsoft Excel (including VLOOKUPs, functions, and data cleanup)
Working knowledge of query languages such as SQL
Advanced experience writing and debugging rules using RegEx
Familiarity with text analysis, NLP, or machine learning fundamentals
Experience performing data analysis using tools such as Excel and/or Python
Comfort working with high-volume, repetitive tasks while maintaining accuracy and focus
Ability to follow complex instructions, navigate ambiguity, and work independently

Job Responsibility

Analyze, evaluate, and improve the quality of multilingual text classifier outputs
Partner with linguistics and engineering teams to develop and refine language-specific parsers
Translate and validate taxonomy content such as Skills, Titles, and Occupations from English to Mandarin (and/or Mandarin to English as needed)
Identify patterns in data errors and contribute to ongoing improvements in rules, logic, and workflows
Document findings clearly and follow established processes to ensure consistency and quality.

Fulltime

New

Contract Office Work

If you are open to temporary clerical work this year, let us know by applying he...

Location

Canada , Charlottetown

Salary:

21.00 - 24.01 CAD / Hour

Randstad

Expiration Date

April 14, 2026

Requirements

Communication skills (oral and written)
Office suite (word, excel, PowerPoint)
Organized
Ability to multitask
1-year experience in an office environment is preferred

Job Responsibility

Reception work
Filing
Data entry
Emailing
Customer service

What we offer

Temporary work in an office setting
We pay weekly
Monday to Friday during normal office hours

New

Overnight merchandiser

Are you looking to earn some quick cash with light, straightforward work? We’re ...

Location

Canada , Gander, Newfoundland

Salary:

20.00 CAD / Hour

Randstad

Expiration Date

March 22, 2026

Requirements

Reliable and punctual team players
Able to work overnight shifts if needed
Attention to detail
Previous retail or merchandising experience is a bonus (but not required)

Job Responsibility

Stocking shelves and arranging products
General work as required
Ensuring displays look great and are properly organized
Light lifting

What we offer

Easy gig with good pay
No long commitment
Friendly team and a positive work environment
Possibility of extension or repeat short term projects

Parttime

Machine Learning Engineer, Content and Navigation

Whatnot

Location:
United States , San Francisco, CA, New York, NY, Los Angeles, CA, Seattle, WA

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
February 18, 2026

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