System OneNewFreelance Designer - Graphics System OneFreelance Designer - GraphicsNew York, NY$35–$40 / hourThis role focuses on creating visually compelling, brand-aligned graphics that reflect key product attributes such as comfort, sustainability, quality, and a fun, engaging aesthetic. Collaborate with cross-functional teams and fellow designers on new initiatives, supporting additional design-related tasks as needed.
MindriftQuantum Research Scientist with Python - Freelance AI Trainer MindriftQuantum Research Scientist with Python - Freelance AI TrainerNew York, NYIdeally, contributors will have: Degree in Physics (Theoretical, Experimental, or Computational) or related fields; Python proficiency for numerical validation. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems.
MindriftResearch Physicist with Python Experience - Freelance AI Trainer MindriftResearch Physicist with Python Experience - Freelance AI TrainerNew York, NYIdeally, contributors will have: Degree in Physics (Theoretical, Experimental, or Computational) or related fields; Python proficiency for numerical validation. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems.
MindriftResearch Physicist - Freelance AI Trainer MindriftResearch Physicist - Freelance AI TrainerNew York, NYWhile each project involves unique tasks, contributors may: Design original optics problems that simulate real physics research workflows; Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks); Develop problems requiring non-trivial reasoning chains in mechanics, electromagnetism, thermodynamics, and quantum mechanics; Base problems on real research challenges or practical applications from optics & physics practice; Document problem statements clearly and provide verified correct answers. Ideally, contributors will have: Degree in Physics (Theoretical, Experimental, or Computational) or related fields; 2+ years of professional experience: applied, research, or teaching experience is applicable; Experience with numerical simulation methods; Ability to design problems that mirror real physics research workflows; Creative thinking in problem design across diverse physics areas; Familiarity with physics modeling and approximation techniques; Strong written English (C1+).
Syneos - Commercial - ProdNewFreelance Account Director Syneos - Commercial - ProdFreelance Account DirectorNew York, NY$75–$90 / yearGSW is a full-service healthcare communications agency that goes beyond advertising to create personalized brand experiences that involve, inspire, educate and activate people through ongoing brand journeys. In this role, you will provide administrative support to the account team as well as supporting defined billable client/project management tasks as assigned.
Cactus Communications Services Pte. Ltd.Freelance Linguistics Specialist Cactus Communications Services Pte. Ltd.Freelance Linguistics SpecialistRemote
M BoothNewPaid Media Strategist (Freelance) M BoothPaid Media Strategist (Freelance)New York, NYWe are relentlessly passionate about our clients and their business, whether that means developing scrappy campaigns and content that breaks through, maximizing earned to reach key audiences, leading in digital innovation, or unleashing insights that unlock ideas that win in the marketplace. Our growing Paid Media team has an immediate opening for a Paid Media Strategist (Freelance) to support several major clients across healthcare, lifestyle, and corporate brand categories.
Cactus Communications Services Pte. Ltd.Freelance Peer Reviewer: Medicine Cactus Communications Services Pte. Ltd.Freelance Peer Reviewer: MedicineSubject Areas: Anaesthesiology and Pain Medicine, Clinical Oncology, Molecular Oncology, Gastroenterology, Respiratory Medicine, Reproductive Medicine, Obstetrics and Gynaecology, Surgery, Cardiology, Vascular Medicine, Haematology, Rheumatology, Renal Medicine, Nephrology, Diabetes and Endocrinology, Bone and Muscle Medicine. About Us: Established in 2002, Cactus Communications (cactusglobal.com) is a leading technology company that specializes in expert services and AI-driven products which improve how research gets funded, published, communicated, and discovered.
Cactus Communications Services Pte. Ltd.Freelance Clinical Subject Matter Expert - Nursing Cactus Communications Services Pte. Ltd.Freelance Clinical Subject Matter Expert - NursingWith offices in Princeton, London, Singapore, Beijing, Shanghai, Seoul, Tokyo, and Mumbai and a global workforce of over 3,000 experts, CACTUS is a pioneer in workplace best practices and has been consistently recognized as a great place to work. About Us: Established in 2002, Cactus Communications (cactusglobal.com) is a leading technology company that specializes in expert services and AI-driven products which improve how research gets funded, published, communicated, and discovered.
Cactus Communications Services Pte. Ltd.Freelance Peer Reviewer: Humanities and Social Sciences Cactus Communications Services Pte. Ltd.Freelance Peer Reviewer: Humanities and Social SciencesAbout Us: Established in 2002, Cactus Communications (cactusglobal.com) is a leading technology company that specializes in expert services and AI-driven products which improve how research gets funded, published, communicated, and discovered. With offices in Princeton, London, Singapore, Beijing, Shanghai, Seoul, Tokyo, and Mumbai and a global workforce of over 3,000 experts, CACTUS is a pioneer in workplace best practices and has been consistently recognized as a great place to work.
Cactus Communications Services Pte. Ltd.Freelance Peer Reviewer: Life Sciences Cactus Communications Services Pte. Ltd.Freelance Peer Reviewer: Life SciencesEpidemiology, Infectious Diseases (AIDS,HIV,Influenza,Polio), Public Health, Geriatrics, Nursing, Nursing medicine, Occupational Health, Pediatric nursing, Microbiology and Immunology, Immunology/Clinical immunology, Clinical microbiology, Molecular Biology, Drug Discovery and Development, Vaccines and Immunotherapeutics. About Us: Established in 2002, Cactus Communications (cactusglobal.com) is a leading technology company that specializes in expert services and AI-driven products which improve how research gets funded, published, communicated, and discovered.
Cactus Communications Services Pte. Ltd.Freelance Non-Academic Translator/Reviewer Cactus Communications Services Pte. Ltd.Freelance Non-Academic Translator/ReviewerAbout Us: Established in 2002, Cactus Communications (cactusglobal.com) is a leading technology company that specializes in expert services and AI-driven products which improve how research gets funded, published, communicated, and discovered. With offices in Princeton, London, Singapore, Beijing, Shanghai, Seoul, Tokyo, and Mumbai and a global workforce of over 3,000 experts, CACTUS is a pioneer in workplace best practices and has been consistently recognized as a great place to work.
Fung GroupSenior Knitwear Designer (Freelance) Fung GroupSenior Knitwear Designer (Freelance)new york, NY$50–$65 / hourThis includes coordinating the timely execution of each stage of the process, creating and executing yarns and stitches to meet the needs of our retailers, and maintaining strong relationships with factories, suppliers, and designers. The designer will work closely with the Sales team to gain market knowledge and create an enhanced knitwear collection for each season, from concept to delivery for major retailers.
SPECTRUMFreelance In-Focus Producer - Spectrum News NY1 SPECTRUMFreelance In-Focus Producer - Spectrum News NY1New York, NY$55,000–$105,400 / yearPart of Charter Communications, Spectrum News is made up of over 30 hyper-local news and regional sports networks that are constantly expanding and dedicated to producing original, unbiased, and high-quality content. Beyond our connectivity solutions, we also provide local news, programming and regional sports via Spectrum Networks and multiscreen advertising solutions via Spectrum Reach.
Invisible AgencyNewScience Specialist (Fluent in German) - Freelance AI Trainer Project Invisible AgencyScience Specialist (Fluent in German) - Freelance AI Trainer ProjectNew York, NYJob title: Science Specialist – AI Trainer (Fluent in German)Employment type: ContractWorkplace type: RemoteSeniority level: Mid - Senior LevelApply for this jobApply today and start teaching the model that will teach the world.#J-18808-Ljbffr. You'll challenge advanced language models on topics like energy transformation, atomic structure, planetary motion, ecological systems, the water cycle, and scientific inquiry—documenting every failure mode so we can harden model reasoning.
VMLY&RProject Manager - Freelance VMLY&RProject Manager - FreelanceNew York, NY$60–$70 / hourWe unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company - powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. The agency is recognized by the Forrester Wave Reports, as a Leader among Marketing Creative and Content Service Providers, Commerce Services, Global Digital Experience Services, Global Marketing Services and, most recently, Marketing Measurement & Optimization.
Invisible AgencyNewHebrew Language Specialist - Freelance AI Trainer Project Invisible AgencyHebrew Language Specialist - Freelance AI Trainer ProjectNew York, NYYou'll challenge advanced language models on topics like verb conjugation, sentence structure, gender agreement, formal and informal speech, regional dialects, script and vocalization, and the nuances of Hebrew writing systems—documenting every failure mode so we can harden model reasoning. That training data begins with you—we need your expertise to help power the next generation of AI.We're looking for Hebrew language specialists who live and breathe Hebrew grammar, syntax, morphology, spelling, phonology, and pragmatics.
Invisible AgencyNewBackend Engineering Specialist - Freelance AI Trainer Project Invisible AgencyBackend Engineering Specialist - Freelance AI Trainer ProjectNew York, NYThat training data begins with you—your expertise will help power the next generation of AI.We're looking for a highly skilled Backend Engineering specialist who can bring technical depth, coding expertise, and architectural insight to training data. On a typical day, you will review and annotate AI-generated code, assess outputs for logical and structural soundness, identify and document error patterns, and collaborate with our team to refine prompts, evaluation methods, and engineering guidelines.
Invisible AgencyNewPHP Coding Specialist - Freelance AI Trainer Project Invisible AgencyPHP Coding Specialist - Freelance AI Trainer ProjectNew York, NYYou'll challenge advanced language models on topics like object-oriented design, RESTful API development and integration, secure coding practices, PHP runtime behavior and memory usage in long-running processes, asynchronous patterns using queues, workers, or event-driven libraries, and debugging distributed systems—documenting every failure mode so we can harden model reasoning. That training data begins with you—we need your expertise to help power the next generation of AI.We're looking for PHP coding specialists who live and breathe algorithms, data structures, software architecture, backend development, cloud infrastructure, and modern PHP application design—and who can do so fluently using PHP.
Invisible AgencyNewUkrainian Language Specialist - Freelance AI Trainer Project Invisible AgencyUkrainian Language Specialist - Freelance AI Trainer ProjectNew York, NYYou'll challenge advanced language models on topics like verb conjugation, case systems, sentence structure, aspectual pairs, regional dialects, formal and informal speech, and the nuances of the Ukrainian writing system—documenting every failure mode so we can harden model reasoning. That training data begins with you—we need your expertise to help power the next generation of AI.We're looking for Ukrainian language specialists who live and breathe Ukrainian grammar, syntax, morphology, spelling, phonology, and pragmatics.
Review PaysNewBeginner Marketing Writer (Freelance) (Testing) Review PaysBeginner Marketing Writer (Freelance) (Testing)New York, NYYou'll be at the forefront of innovation, blending creativity with marketing savvy, all while helping your favorite apps shine in a crowded marketplace. RolesIn this role, you'll test mobile applications across different categories and share short, clear reviews of your experience.
We Are SocialFreelance Account Director We Are SocialFreelance Account DirectorNew York, NYThis role will involve the following areas: client relationship building and true partnership, execution of client campaigns or retainers, managing junior account team members, management of scopes and budgets, developing presentations and proposals, overseeing the internal team process and workflow, client problem solving, collaboration with internal stakeholders and planning/reporting. For California applicants, you may view We Are Social's Privacy Notice for California Employees and Job Applicants at https://wearesocial.com/us/wp-content/uploads/sites/3/2023/07/CA-Employee-and-Job-Applicant-CPRA-Notice.pdf .
Solomon PageNewFreelance Textile Coordinator Solomon PageFreelance Textile CoordinatorNew York, NYActing as a strategic partner to our clients and candidates, we focus on providing customized solutions and building long-term relationships based on trust, respect, and the consistent delivery of excellent results. Work within a specific classification and implement the category leader's direction in all aspects of the design process, trend research, print, graphics and screen prints.
Invisible AgencyNewKorean Language Specialist - Freelance AI Trainer Project Invisible AgencyKorean Language Specialist - Freelance AI Trainer ProjectNew York, NYYou'll challenge advanced language models on topics like honorifics, sentence structure, verb conjugation, word order, regional dialects, idiomatic expressions, and script variations—documenting every failure mode so we can harden model reasoning. That training data begins with you—we need your expertise to help power the next generation of AI.We're looking for Korean language specialists who live and breathe Korean grammar, syntax, morphology, phonetics, semantics, and pragmatics.
Review PaysNewRemote Content Specialist (Freelance) (Reviewer) Review PaysRemote Content Specialist (Freelance) (Reviewer)New York, NYRemoteEngage with cutting‑edge technology, testing features, and sharing insights that guide users to the best experiences. You'll analyze how smooth the experience feels, how quickly features respond, and whether you encounter any issues, then summarize your findings in short written feedback.
Review PaysNewBeginner Article Writer (Freelance) (Blog) Review PaysBeginner Article Writer (Freelance) (Blog)New York, NYRemoteAs a Beginner Article Writer, you get the unique opportunity to explore new mobile apps and games, turning your fresh insights and unique experiences into captivating blog content. Imagine the thrill of testing the latest puzzle game or discovering a groundbreaking app, then weaving those adventures into engaging narratives.
GondolaNewSports Video Producer (Freelance) GondolaSports Video Producer (Freelance)New York, NYStrong preference for real-time sports experience be it on the ground content capture at live events or production of sports showsA problem-solver who thrives in a fast-paced, collaborative, meme-loving environment. You'll pitch ideas, write scripts, direct talent, manage shoots, and oversee post-production—basically, you'll make sports content that doesn't feel like traditional sports content.
MindriftSenior Portfolio Manager - Freelance AI Trainer MindriftSenior Portfolio Manager - Freelance AI TrainerQueens, NYlong-term capital gains, and alternatives to selling (redirecting contributions); Build tax-loss harvesting scenarios that test the wash-sale rule in both directions — including the 30-day backward window and substantially identical securities across different fund families and tickers; Develop suitability check cases probing risk tolerance, time horizon, prohibited holdings, and concentration limits against a client's Investment Policy Statement; Design ESG look-through scenarios where the fund label diverges from actual holdings due to subsidiary relationships or narrow exclusion methodologies; Construct fee-stack analysis cases: portfolio-weighted expense ratios, advisory fees, all-in cost comparisons against category benchmarks; Author goal-projection scenarios that test whether the agent uses assumption-based language and never slips into commitment language when prompted to be reassuring; Document test cases clearly with verified calculations, policy citations, and correct answers. Ideally, contributors will have: Degree in Finance, Economics, Business Administration, Accounting, or related field — or equivalent professional experience; no specific degree is required if CFA charterholder status or comparable credentials are present; 3+ years of experience managing portfolios or writing investment research in a fiduciary context (RIA, private wealth, asset management, family office, or bank trust); Ability to compute time-weighted returns, attribution effects (Brinson framework), and portfolio-weighted expense ratios without assistance; Practical knowledge of the wash-sale rule applied in both directions, tax-lot accounting methods (FIFO, specific identification, HIFO), and short- vs.
MindriftElectrical Engineer & Python Expert - Freelance AI Trainer MindriftElectrical Engineer & Python Expert - Freelance AI TrainerNew York, NYMindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. For this project, tasks are estimated to require around 10–20 hours per week during active phases, based on project requirements.
MindriftMechanical Engineer & Python Expert - Freelance AI Trainer MindriftMechanical Engineer & Python Expert - Freelance AI TrainerNew York, NYMindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. For this project, tasks are estimated to require around 10–20 hours per week during active phases, based on project requirements.
MindriftPhysics Expert with Python - Freelance AI Trainer MindriftPhysics Expert with Python - Freelance AI TrainerNew York, NYIdeally, contributors will have: Degree in Physics (Theoretical, Experimental, or Computational) or related fields; Python proficiency for numerical validation. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems.
MindriftMathematics & Python Expert - Freelance AI Trainer MindriftMathematics & Python Expert - Freelance AI TrainerNew York, NYMindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Ideally, contributors will have: Degree in Mathematics (Pure or Applied) or related fields; Python proficiency for numerical validation.
MindriftNewChemistry & Python Expert - Freelance AI Trainer MindriftChemistry & Python Expert - Freelance AI TrainerNew York, NYMindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. For this project, tasks are estimated to require around 10–20 hours per week during active phases, based on project requirements.
MindriftBiology & Python Expert - Freelance AI Trainer MindriftBiology & Python Expert - Freelance AI TrainerNew York, NYMindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. For this project, tasks are estimated to require around 10–20 hours per week during active phases, based on project requirements.
MindriftOptical Engineer with Python - Freelance AI Trainer MindriftOptical Engineer with Python - Freelance AI TrainerNew York, NYIdeally, contributors will have: Degree in Physics (Theoretical, Experimental, or Computational) or related fields; Python proficiency for numerical validation. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems.
MindriftMaterial Scientist with Python - Freelance AI Trainer MindriftMaterial Scientist with Python - Freelance AI TrainerNew York, NYMindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. This opportunity is a good fit for material scientists & engineers with an experience in python open to part-time, non-permanent projects.
MindriftOptical Engineer - Freelance AI Trainer MindriftOptical Engineer - Freelance AI TrainerNew York, NYWhile each project involves unique tasks, contributors may: Design original optics problems that simulate real physics research workflows; Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks); Develop problems requiring non-trivial reasoning chains in mechanics, electromagnetism, thermodynamics, and quantum mechanics; Base problems on real research challenges or practical applications from optics & physics practice; Document problem statements clearly and provide verified correct answers. Ideally, contributors will have: Degree in Physics (Theoretical, Experimental, or Computational) or related fields; 2+ years of professional experience: applied, research, or teaching experience is applicable; Experience with numerical simulation methods; Ability to design problems that mirror real physics research workflows; Creative thinking in problem design across diverse physics areas; Familiarity with physics modeling and approximation techniques; Strong written English (C1+).
MindriftNewStatistics & Python Expert - Freelance AI Trainer MindriftStatistics & Python Expert - Freelance AI TrainerNew York, NYMindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. For this project, tasks are estimated to require around 10–20 hours per week during active phases, based on project requirements.
MindriftNewCivil Engineer & Python Expert - Freelance AI Trainer MindriftCivil Engineer & Python Expert - Freelance AI TrainerNew York, NYMindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. For this project, tasks are estimated to require around 10–20 hours per week during active phases, based on project requirements.