{"schemaVersion":"jobsearcher.job.v1","id":"c4d6ece172a803e64b52ef73","url":"https://jobsearcher.com/jobs/c4d6ece172a803e64b52ef73","canonicalUrl":"https://jobsearcher.com/jobs/c4d6ece172a803e64b52ef73","title":"Senior Full-Stack Developer","description":"Pay rate is $55.00 to $60.00100% remoteWe are seeking an experienced Senior Full-Stack Developer to design, build, and support modern web applications spanning React/TypeScript front ends, Node.js services, real-time messaging, databases, and AWS cloud infrastructure.The ideal candidate brings strong full-stack engineering fundamentals with hands-on experience in React, Node.js, Type Script, Python, Go, and AI/LLM integration, and can troubleshoot distributed production systems end-to-end. Healthcare experience and familiarity with secure handling of patient data are highly desirable.Key Responsibilities• Design and develop responsive, accessible web applications using React, TypeScript, Material UI (MUI), Redux, and Redux-Saga.• Build scalable backend APIs and services using Node.js and NestJS, including real-time communication with Socket.IO.• Develop event-driven and distributed messaging solutions using Amazon SQS and Redis/Valkey.• Design, optimize, and troubleshoot data access across MySQL, MongoDB, and Amazon DocumentDB, including schema migrations using Flyway.• Build supporting microservices, automation, integrations, and data-processing workflows using Python and Go.• Design and integrate AI/LLM-enabled application capabilities, including model integration, prompt management, output evaluation, monitoring, guardrails, and reliability controls.• Ensure AI solutions appropriately protect PHI and other sensitive healthcare data, with strong security and privacy practices.• Troubleshoot production issues across browser, API, WebSocket, messaging, database, container, and AWS infrastructure layers.• Develop and maintain automated testing, CI/CD pipelines, monitoring, observability, deployment, and rollback procedures.• Participate in architecture discussions, code reviews, technical design, performance optimization, and production incident resolution.Required Qualifications• 5+ years of professional full-stack software development experience.• Strong hands-on development experience with React, TypeScript, JavaScript, and Node.js.• Working experience developing production solutions using Python and Go.• Strong understanding of REST APIs, asynchronous processing, event-driven architectures, and real-time messaging.• Production experience with relational databases such as MySQL and familiarity with NoSQL/document databases.• Hands-on AWS experience, particularly with ECS, Lambda, SQS, and CloudWatch.• Experience building and maintaining automated CI/CD pipelines.• Experience integrating AI/LLM capabilities into applications, including evaluation, security, privacy, monitoring, and reliability considerations.• Strong experience troubleshooting distributed applications end-to-end across UI, API, messaging, database, and cloud infrastructure.• Strong communication, collaboration, debugging, and production incident-management skills.• Experience implementing unit, integration, and automated application testing.","company":"Phaxis","rawCompany":"phaxis","city":"West Harrison","state":"NY","isRemote":false,"isActive":false,"createdAt":"2026-11-12T09:41:29.593Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Full-Stack Developer","description":"Pay rate is $55.00 to $60.00100% remoteWe are seeking an experienced Senior Full-Stack Developer to design, build, and support modern web applications spanning React/TypeScript front ends, Node.js services, real-time messaging, databases, and AWS cloud infrastructure.The ideal candidate brings strong full-stack engineering fundamentals with hands-on experience in React, Node.js, Type Script, Python, Go, and AI/LLM integration, and can troubleshoot distributed production systems end-to-end. Healthcare experience and familiarity with secure handling of patient data are highly desirable.Key Responsibilities• Design and develop responsive, accessible web applications using React, TypeScript, Material UI (MUI), Redux, and Redux-Saga.• Build scalable backend APIs and services using Node.js and NestJS, including real-time communication with Socket.IO.• Develop event-driven and distributed messaging solutions using Amazon SQS and Redis/Valkey.• Design, optimize, and troubleshoot data access across MySQL, MongoDB, and Amazon DocumentDB, including schema migrations using Flyway.• Build supporting microservices, automation, integrations, and data-processing workflows using Python and Go.• Design and integrate AI/LLM-enabled application capabilities, including model integration, prompt management, output evaluation, monitoring, guardrails, and reliability controls.• Ensure AI solutions appropriately protect PHI and other sensitive healthcare data, with strong security and privacy practices.• Troubleshoot production issues across browser, API, WebSocket, messaging, database, container, and AWS infrastructure layers.• Develop and maintain automated testing, CI/CD pipelines, monitoring, observability, deployment, and rollback procedures.• Participate in architecture discussions, code reviews, technical design, performance optimization, and production incident resolution.Required Qualifications• 5+ years of professional full-stack software development experience.• Strong hands-on development experience with React, TypeScript, JavaScript, and Node.js.• Working experience developing production solutions using Python and Go.• Strong understanding of REST APIs, asynchronous processing, event-driven architectures, and real-time messaging.• Production experience with relational databases such as MySQL and familiarity with NoSQL/document databases.• Hands-on AWS experience, particularly with ECS, Lambda, SQS, and CloudWatch.• Experience building and maintaining automated CI/CD pipelines.• Experience integrating AI/LLM capabilities into applications, including evaluation, security, privacy, monitoring, and reliability considerations.• Strong experience troubleshooting distributed applications end-to-end across UI, API, messaging, database, and cloud infrastructure.• Strong communication, collaboration, debugging, and production incident-management skills.• Experience implementing unit, integration, and automated application testing.","datePosted":"2026-11-12T09:41:29.593Z","dateModified":"2026-11-12T09:41:29.593Z","hiringOrganization":{"@type":"Organization","name":"Phaxis","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"West Harrison","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"c4d6ece172a803e64b52ef73"},"url":"https://jobsearcher.com/jobs/c4d6ece172a803e64b52ef73"}}