587 javascript typescript jobs at 292 companies in Brooklyn, NY

1w
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Software Engineer (TypeScript/JavaScript)
Boston or Salt Lake City or San Francisco or New York City
RemoteFull Time
Databento
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.
TypeScript, JavaScript, N-API, node-addon-api, Wasm, React, Redux, Vite, Web Workers, WebSockets, Python, Rust, REST API, Storybook, Figma, CI/CD, npm
3mo
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Javascript - Senior Developers - AI Training - New York, USA
New York City or United States
$50/hr RemoteContract
Prolific
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.
JavaScript (ES6+), TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, GraphQL, RESTful APIs, LeetCode
23h
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ICT Specialist - Software Development (Javascript, Typescript, Python, Javascript frameworks)
New York City or Geneva or Vienna
RemoteContract
UNOPS
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
3w
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Sr Product Software Engineer(JavaScript/Typescript)
New York City or Seattle
$149k-$199k/yr HybridFull Time
The Walt Disney Company
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.
JavaScript, Typescript, HTML5, MSE/EME, HLS, MPEG-DASH, Transport Stream, CMAF, Node.js, Deno
3w
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Sr Product Software Engineer(JavaScript/Typescript)
New York City or Seattle
$149k-$199k/yr HybridFull Time
The Walt Disney Company
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
3w
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Senior Software Engineer (GO/Typescript)
Chicago or Raleigh or Royal Oak or New York City or United States
$123k-$175k/yr HybridFull Time
SpotOn
SpotOn: Provides point-of-sale and business management software for restaurants.
5+ YOE5+ years building high-traffic production software; strong Golang and JavaScript/TypeScript skills; AI tool experience; familiarity with data structures, algorithms, and system design; strong English communication (B2+).
Golang, JavaScript, TypeScript, PHP, AWS, Terraform, Kubernetes
3mo
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Software Engineer (Backend Typescript)
Jersey City or Smithfield or Merrimack
$80-$102/hr OnsiteContract
Fidelity Investments
Fidelity Investments: Financial services and investment management firm providing advisory solutions.
5+ YOEBachelor's in CS or related,5+ years software development with NodeJS/TypeScript,experience with microservices,API design,AWS,Docker/Kubernetes,Kafka and NoSQL;strong communication and technical leadership.
NodeJS, JavaScript, Typescript, Express, Mongoose, Casbin, Axios, NPM, Kafka, AWS, S3, EC2, Docker, Kubernetes, MongoDB, Bitbucket/Stash, Jenkins, Artifactory
3mo
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Desktop UI Frontend - React/Typescript Senior Lead Software Engineer
Jersey City or Jersey City
$171k-$260k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years in software engineering; expert in TypeScript/JavaScript/React; front-end UI development; SDLC knowledge; Bachelor's degree in a technical field.
TypeScript, JavaScript, React, HTML5, C#
2mo
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Senior Software Engineer - Security Technology
New York City, New York, United States
OnsiteFull Time
Bloomberg
Bloomberg: Delivers financial data, news, and software to global markets.
5+ YOE5+ years in designing and developing software; Python and/or JavaScript/TypeScript; Bachelor’s in CS/Engineering/Mathematics or related field.
Python, JavaScript, TypeScript, PostgreSQL, SQL Server, COMDB2, UnitTest, Autotest, Pytest
2mo
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Manager I, Engineering - Data Visualization Explorations
Boston or New York
$187k-$240k/yr HybridFull Time
Datadog
DatadogNASDAQ: DDOG: Observability and security platform for cloud applications and infrastructure.
2+ Mgmt2+ years people management in software, strong TypeScript/JavaScript, React, excellent communication, customer-focused, ownership mindset
TypeScript, JavaScript, React
2mo
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Sr Software Engineer
New York, New York, United States
HybridFull Time
Scale Microgrids
Scale Microgrids: Provides turnkey microgrid and distributed energy infrastructure solutions.
5+ YOE5+ years Python/JavaScript/TypeScript; energy modeling; optimization; FastAPI; React; PostgreSQL; IoT protocols; SCADA experience.
Python, JavaScript, TypeScript, FastAPI, React, PostgreSQL, Pyomo, HiGHS, Gurobi, GLPK, MQTT, Sparkplug B, AWS IoT Core, Ignition, SCADA
2mo
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Guidewire Jutro Developer (Chicago, IL, US)
Chicago or New York or Atlanta
$100k-$125k/yr HybridFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
Hands-on Guidewire Jutro/JDP, frontend with React/Angular, JavaScript/TypeScript, REST API integrations, cloud-native/microfrontend architectures.
Guidewire Jutro, JDP, React, Angular, JavaScript, TypeScript, REST APIs, Guidewire Cloud Edge APIs, microfrontend, GenAI tools
1mo
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Lead Software Engineer
New York, New York, United States
$120k-$222k/yr HybridFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
8+ YOEBachelor’s degree in CS/IT; 8+ years software engineering; distributed systems; REST APIs; JavaScript/TypeScript; AWS; DevOps; AI tools.
Node.js, TypeScript, JavaScript, Express.js, NestJS, Fastify, Kafka, RabbitMQ, SNS/SQS, PostgreSQL, SQL Server, Aurora, DynamoDB, MongoDB, Redis, AWS, Azure, GCP, Terraform, Ansible, CI/CD, Cursor, Claude Code
5d
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Software Engineer, Frontend
New York City, New York, United States
$150k-$200k/yr OnsiteFull Time
Tabs
Tabs: Automates contract-to-cash cycles for finance and accounting teams.
4+ YOE4+ years engineering experience, platform service development, TypeScript/JavaScript proficiency, strong CS foundation, collaboration and problem-solving skills.
TypeScript, JavaScript
2mo
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Front End Engineer- Senior Associate
Washington or Orlando or Montvale or New York City or Dallas
OnsiteFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
3+ YOE3+ years front-end experience, strong JavaScript/TypeScript, experience with Angular or React, SDLC/Git/CI/CD and agile, Bachelor's preferred.
JavaScript, TypeScript, Angular, React, Git, Azure DevOps, CI/CD
3mo
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Senior Software Engineer
New York, New York, United States
$150k-$180k/yr RemoteFull Time
Wisdom
Wisdom: Automated dental billing and revenue cycle management platform.
5+ YOE5+ years of production software experience; strong TypeScript/JavaScript; experience with AWS, Postgres; hands-on with LLM APIs; healthcare/HIPAA awareness a plus
TypeScript, JavaScript, Python, AWS, PostgreSQL, React, LLM APIs
2mo
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Software Engineer, Full Stack (Revenue Engine)
New York, New York, United States
$155k-$195k/yr HybridFull Time
Charlie Health
Charlie Health: Providing virtual intensive outpatient programs for mental health and recovery.
2+ YOE2+ years in web apps; Python/JavaScript/TypeScript; strong problem solving; AI tooling experience; cross‑team collaboration; on-call readiness.
React, Python, JavaScript, TypeScript, PostgreSQL, AI tooling
3mo
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Senior Full Stack Engineer
Westlake or Jersey City or Merrimack or Smithfield
$97k-$185k/yr HybridFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
Experience building web apps in production using Python or JavaScript/TypeScript; strong CI/CD knowledge; version control with Git/Jenkins; collaborative mindset.
Python, JavaScript, TypeScript, Git, Jenkins, CI/CD
1mo
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Senior Associate - Full Stack Engineer, Decision Intelligence (New York, NY, US)
New York, New York, United States
$100k-$143k/yr HybridFull Time
New York Life
New York Life: Provides life insurance, retirement income, and investment solutions.
Bachelor's in CS or related, experience with React and TypeScript/JavaScript, working knowledge of SQL, ability to translate wireframes to production UI, strong communication and collaboration skills.
React, TypeScript, JavaScript, SQL, Figma, Storybook, Streamlit, Python, REST API, Git
3mo
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Senior QA Automation Engineer
San Francisco or New York City or Bangalore
$100k-$400k/yr HybridFull Time
Mesh
Mesh: Connecting digital wallets and exchanges for unified cryptocurrency payments.
7+ YOE7+ years QA automation with Playwright and/or Cypress; scripting in TypeScript/JavaScript/Python; strong CI/CD and test framework design; Web3 testing experience.
Playwright, Cypress, WebdriverIO, Selenium, Puppeteer, GitHub Actions, CircleCI, TypeScript, JavaScript, Python