Top Javascript Jobs in Hartford, CT

Build and maintain scalable JavaScript applications, API integrations, and open-source projects for global clients. Responsibilities include writing and reviewing code, debugging across frontend, backend, database, and network layers, optimizing performance, designing scalable architectures, handling concurrency, documenting technical work, and addressing edge cases. The role is fully remote and includes structured technical growth, peer feedback, and an assessment process involving an OSS hackweek.

Build end-to-end features in a JS/TS stack, designing scalable backend services and responsive real-time frontends. Improve observability, performance, and reliability, collaborate with product/design, and own full-stack implementation from APIs and data models to UI.

Build and maintain full-stack applications that deliver AI/ML insights through backend services, REST APIs, containerized microservices, and high-performance front-end interfaces. Responsibilities include cloud-native development on Google Cloud or Azure, database management, testing, CI/CD automation, security, troubleshooting, and Agile collaboration.

Leads a software engineering team while contributing to advanced full-stack design, development, testing, troubleshooting, monitoring, and delivery of high-impact systems. Owns technical decisions, system design, technical feasibility, integration contracts, and technical debt. Partners with product leadership, mentors engineers, manages delivery trade-offs, maintains operational documentation, and contributes to engineering standards.

Develop and maintain high-scale JavaScript and TypeScript advertising technology, specializing in Prebid.js, Prebid Server, header bidding, and Google Ad Manager. Own the header bidding wrapper, implement ad tech integrations, monitor Core Web Vitals and performance, review code, track industry standards, and maintain deployed solutions. The role requires deep programmatic advertising expertise, Google Cloud experience, and ownership of reliable client-side monetization systems.

The role involves leading the development of a high-performance Web SDK for fraud detection and risk management, implementing algorithms for device fingerprinting, and ensuring security and performance optimization.

Develop and maintain rich Java-based and JavaScript-based user interfaces using modern UI frameworks. Implement component-based designs, integrate with middleware and RESTful services, work with WebSphere Portal/JSR286 and J2EE platforms. Collaborate across global teams in the insurance domain, perform technical design and programming, and apply analytical skills to deliver enterprise UI solutions.

The Senior Full Stack JavaScript Developer will build and maintain user interfaces using React and Next.js, integrate with Node.js backends, and guide other developers. Responsibilities include ensuring accessibility, performance, and reliability of features, engaging in code reviews, and collaborating closely with product teams.