70,135 JavaScript jobs
Open roles that use JavaScript across web and backend.
Software Engineer II(s) + Senior Software Engineer(s)
Overview Microsoft Security works to make the world safer with solutions that help customers protect their people, data, devices, and cloud environments. Within the Agentic Security Organization , we are building…
Software Engineer
12-month contract software engineer, fully onsite 5 days/week near Cambridge, UK, maintaining and expanding software for a data collection lab — integrating prototype wearable devices into a distributed audio/video data collection platform. Core stack is Python/FastAPI on Linux with shell scripting, networking (IP/VLAN) and distributed systems; pays ~£49-55/hour PAYE.
Software Engineer
Software engineer on WisdomTree Europe's IT team taking ownership of CUBE, the internal investment-management platform for risk and valuation. Day to day: evolving the codebase and dev experience, building full-stack Python/React research apps with LLMs and agentic workflows, and improving containers, CI/CD and observability.
Frontend Engineer (React/Next.js)
Frontend Engineer at a Birmingham design agency building fast, accessible web apps and headless websites with React, Next.js, and TypeScript, working closely with designers and product. Hybrid working from a central Birmingham studio, with headless CMS training provided.
AI Engineer – Embedded Enablement & Agentic AI
Early-career AI engineer embedded with business teams at an automotive-parts manufacturer: builds and deploys practical LLM solutions and RAG knowledge systems (Codex, Claude API, Python, Azure), trains employees on AI tools, and supports agentic AI governance — all on-site in Wixom, MI.
Principal Software Engineer(s) + Senior Software Engineer(s)
Overview Microsoft Security works to make the world safer with solutions that help customers protect their people, data, devices, and cloud environments. Within the Agentic Security Organization , we are building…
Senior Web Developer (React / C , MSSQL)
Full-stack developer at ST Engineering's Training & Simulation Systems, building and maintaining C#.NET backend services, MSSQL databases, and React/JavaScript front ends for defence and public-safety training products, including integrating AI-powered features.
Senior Security Software Engineer
Overview The Cloud & AI organization accelerates Microsoft’s mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers’…
MERN Stack Developer
DevGate seeks a MERN stack developer (4+ years) in Bahria Town Phase 7, Rawalpindi (on-site/hybrid or remote) to build production web apps end to end: designing REST/GraphQL APIs, React UIs, MongoDB schemas, auth, and CI/CD deployments, plus mentoring juniors.
Software Engineer Trainee at Incedo – Hyderabad Internship 2024
Incedo, a US-based consulting and technology services firm, is hiring a Software Engineer Trainee (internship) in Hyderabad. The trainee participates in the full software development lifecycle — coding, debugging, UI testing, documentation — using languages like C/C++, Java, Ruby, Python, or .NET plus basic HTML/JavaScript/CSS, with training via Incedo University.
Senior Software Engineer
Senior hands-on IC who designs, builds, and owns an in-house AI SaaS platform on Google Cloud for a HIPAA-regulated healthcare organization: a TypeScript/React frontend, Node.js/Express backend, Python AI service, and PostgreSQL data layer, deployed via Cloud Run with Vertex AI/Gemini-powered features. Sets architecture, ships AI workflows, and mentors engineers.
Head of Software Engineering
Leads the end-to-end engineering function at SOPHiA CRE, an AI-native commercial real estate platform, managing and mentoring a small distributed team while staying hands-on with architecture, code reviews, and delivery of LLM/agent-based features and integrations on cloud infrastructure (Python/TypeScript, Node.js, React, AWS/Azure/GCP). US remote role.
Senior Software Engineer
Senior full-stack/backend engineer at NAPCO Security Technologies (Amityville, NY) building C#.NET desktop apps, ASP.NET web frontends, and multithreaded Windows services handling thousands of concurrent TCP/UDP connections, backed by SQL Server and cloud-hosted infrastructure, plus AI agents for automation.
Staff Software Engineer
Staff full-stack engineer at a fast-growing US healthtech company building digital healthcare delivery software. Day to day: design and build customer-facing apps (React/Next.js, Node.js/Python/FastAPI), own AWS/Azure architecture and CI/CD, and integrate LLMs (OpenAI, Anthropic, Gemini) into production while setting technical standards.
Software Engineer
Software Engineer at Porter & Company building the technology behind an investment research business: member-facing websites, interactive financial tools, backend services, APIs, integrations, and internal automation. Full-stack work with JavaScript/TypeScript, React, and Python or Node.js.
Python Full Stack Developer (Edison)
Revature, a tech talent development and engineering services firm, is hiring a Python full-stack developer in Edison to build, test, deploy, and maintain production-ready cloud-native applications — Python/FastAPI backends, JavaScript/TypeScript SPA frontends (React/Angular/Vue), SQL/NoSQL databases, AWS/Azure/GCP, Docker/Kubernetes, and CI/CD, with LLM/AI-assisted development a plus.
AWS Python Developer (Tempe)
Full-stack AWS developer building Python (FastAPI/Flask) and Java/Spring Boot microservices with Angular front ends, serverless and event-driven systems, plus data work in PySpark/SQL on Redshift, RDS/DynamoDB. On-site (F2F interview) role in Hartford, Raleigh, Richardson, or Tempe; GenAI tooling experience is a plus.
Lead Backend Developer (Chicago)
A hands-on lead role building enterprise-grade applications in Chicago (100% onsite): designing Java/Spring Boot microservices and REST APIs, contributing React front-end work, reviewing code, troubleshooting production issues, mentoring developers, and supporting CI/CD in an Agile team.
Senior Backend Developer (Fort Lee)
Senior backend developer designing, building, and scaling high-performance Node.js and Nest.js APIs and microservices for a fast-scaling digital product ecosystem, working with MongoDB, MySQL, Redis, REST/GraphQL/WebSocket, and message brokers. Full-time, office-based in Fort Lee, NJ — no remote or hybrid.
Javascript Developer (Jersey City)
Senior/Lead React engineer in Jersey City building frontend solutions for Altimetrik's enterprise clients; day-to-day work centers on expert-level JavaScript (ES6+), React.js with Hooks and Context, state management (Redux/Zustand), API integration, and debugging/performance tuning.