Javascript - Senior Developers - AI Training - New York, USA
New York City or United States
$50/hrRemoteContract
Prolific: Platform connecting researchers and AI developers with verified participants.
BS/MS/PhD in CS or related, professional experience building scalable JavaScript/TypeScript web apps, expert JS knowledge (ES6+), ability to solve LeetCode Medium–Hard, and familiarity with frontend/backend tooling and testing.
Rio de Janeiro or New York City or Singapore or New Delhi or London or Auckland or Brisbane or Christchurch or Melbourne or North Perth or Sydney or Wellington or Baltimore or Washington or San Francisco or San Diego or Philadelphia or Phoenix or Portland or New Jersey or United States
RemoteFull Time
Crimson Education: Provides personalized university admissions consulting and academic tutoring services.
5+ YOEMinimum 5 years middle/junior high teaching experience, Bachelor’s in Computer Science or related, strong communication, familiarity with online teaching platforms, knowledge of US middle school curriculum.
Boston or Salt Lake City or San Francisco or New York City
RemoteFull Time
Databento: Provides a pay-as-you-go financial market data platform.
5+ YOEMid/senior engineer experienced with TypeScript/JavaScript, building/maintaining JS client libraries, React/Redux front-ends, native integrations (N-API/node-addon-api/Wasm), and backend work in Python or Rust.
Tetrix: A fast-growing fintech startup delivering AI-powered data and analytics for institutional investors.
10+ YOE10+ years in Python and JavaScript; strong technical leadership; architecting complex systems; mentoring engineers; open source contributions a plus.
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor's degree, 4+ years professional software engineering experience, 1+ year cloud (AWS/Azure/GCP), experience with Java/Scala/Python/Go/Node/SQL, and demonstrated leadership on projects.
Java, Scala, Python, Go, JavaScript, Node.js, SQL, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud
ICT Specialist - Software Development (Javascript, Typescript, Python, Javascript frameworks)
New York City or Geneva or Vienna
RemoteContract
UNOPS: UN agency providing project, infrastructure, and procurement services globally.
5+ YOE5+ years relevant experience in full-stack web application development using Typescript/Node.js/React and Python; experience with automated testing, APIs, cloud (Azure), Docker/Kubernetes, and DevOps practices.
Typescript, Node.js, ReactJS, PostgreSQL, Python, Docker, Kubernetes, Azure, Microsoft Power Automate, Gitlab, Git, Microsoft Power BI, MySQL, Jest, Mocha, Cypress, Flask, Express
Sr Product Software Engineer(JavaScript/Typescript)
New York City or Seattle
$149k-$199k/yrHybridFull Time
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
5+ YOE5+ years software engineering experience, 1+ year with HTML5 video playback tech (MSE/EME, HLS, MPEG-DASH, CMAF, Transport Stream), Bachelor's in CS or equivalent, strong communication and data presentation skills.
JavaScript, Typescript, HTML5, MSE/EME, HLS, MPEG-DASH, CMAF, Transport Stream, Node.js, Deno, Disney Media Player, Electronic Media Player
Sr Product Software Engineer(JavaScript/Typescript)
New York City or Seattle
$149k-$199k/yrHybridFull Time
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
5+ YOE5+ years software engineering experience, 1+ year with HTML5 video playback tech (MSE/EME, HLS, MPEG-DASH, CMAF), Bachelor’s in CS or equivalent, strong communication and data presentation skills.
HUMAN: Provides cybersecurity solutions to protect against automated bot attacks.
Deep knowledge of internet protocols, javascript signal collection, and adversarial techniques; proven scripting experience with Python and JavaScript; experience researching fraud/abuse in Ad Tech or cybersecurity; strong analytic and communication skills.
BNYNYSE: BK: Global institution managing and servicing financial assets worldwide.
9+ YOEBachelor's in CS-related field and ~9 years IT experience; design RESTful .Net services, build reusable components with HTML/CSS/JavaScript, enforce coding standards with Git and CI/CD, review code in JavaScript/Angular/NodeJS/.Net, and deploy using CI/CD and Kafka.
Staff Security Engineer, Secure Digital Asset Operations
New York, New York, United States
$196k-$245k/yrHybridFull Time
Ripple: Provides blockchain solutions for global payments and liquidity.
8+ YOE8+ years in security/engineering focusing on digital assets; strong crypto, key management, and security architecture; proficient in Javascript/Python.