Top Remote Full-Stack Engineer Jobs in Los Angeles, CA

Implement and maintain full-stack features for a career-intelligence platform: architect NestJS/Next.js applications, manage PostgreSQL schemas and queries, build responsive UIs with Tailwind, integrate LangChain-powered AI, implement authentication with Clerk, and create end-to-end tests and automation with Puppeteer to ensure launch readiness and performance.

Build end-to-end features across backend (Go) and frontend (React/TypeScript). Design and implement production APIs, map complex data to UI, optimize performance, implement robust error handling, monitor usage, and iterate with customers and design partners.

Build and ship full-stack features for customer-facing Console and Playground, plus internal tools. Design and maintain APIs and backend services, implement accessible performant frontends, translate product requirements into incremental work, and improve code quality through reviews and design discussions.

Design and implement backend features in Go, build data pipelines and REST APIs, work with PostgreSQL and AWS, contribute to scalable system design, and optionally develop React.js user-facing features while collaborating in a fast-paced AI-focused startup.

Design, build and maintain Microsoft Cloud applications using Power Apps/Pages and Azure services. Implement Entra ID authentication, Azure Functions/App Services, Logic Apps and Blob storage. Create Azure Data Factory pipelines and APIs (REST/GraphQL), integrate external services and LLM data pipelines, and ensure performance, security, and scalability while collaborating with customers to turn requirements into streamlined apps.

The Full-stack Engineer will build and own features for Hercules' AI-driven applications, including the AI Agent and App Builder, focusing on clean code, SaaS functionalities, and system design within a team-centric environment.

The Staff/Principal Full Stack Engineer will design and build core web applications, backend services, and integrate AI capabilities for healthcare-focused operational tools.

Design, build, and secure scalable full‑stack applications integrating enterprise contact‑center platforms (IVR, call routing, real‑time logging) and Salesforce. Collaborate in Agile teams, implement RESTful APIs, cloud‑native and containerized architectures, apply DevSecOps and TDD practices, and ensure secure, testable, high‑quality software.

Full Stack/Frontend Developer to build responsive, accessible, performant UIs using React or Vue, integrate with Java/Spring backends, implement component-based architectures, consume REST APIs, write frontend tests, use modern tooling (Webpack/Vite/Babel/ESLint), and work in Agile teams.

Design, develop, and maintain backend microservices in Java/Spring Boot; build RESTful APIs; implement Angular front-end; integrate with Kafka and AWS S3; collaborate across the SDLC; troubleshoot and debug full-stack issues. Fraud prevention experience required.

Design, develop, and maintain scalable Java/Spring Boot backend and Angular frontend applications. Build microservices, RESTful APIs, event-driven solutions with Kafka, implement fault tolerance (Hystrix/circuit breakers), observability (SLI/SLO), and deploy on Kubernetes/AWS. Collaborate with cross-functional teams, mentor junior developers, and ensure reliability and performance.

Lead consolidation and modernization of two legacy giving marketplace applications into a single scalable stack. Design and build backend services with Java, Spring Boot, and Hibernate JPA; develop responsive Angular front-end using NgRx and SCSS. Refactor legacy code, improve performance and scalability, implement features, ensure UI/UX feasibility, and perform code reviews.

Develop and maintain web applications using Java/Spring Boot backend and Angular frontend. Build microservices and RESTful APIs, integrate frontend with backend, work with Kafka and AWS S3 as needed, and collaborate across the SDLC to troubleshoot and deliver user-focused solutions.

Design and build backend microservices with Java and Spring Boot, create and maintain RESTful APIs, and develop Angular frontend components. Work across the full stack, integrate asynchronous patterns (Kafka) and AWS S3, collaborate with cross-functional teams, and troubleshoot/debug applications throughout the software lifecycle.

Develop and maintain web applications across the full stack using Java/Spring Boot backend and Angular frontend. Build microservices, design RESTful APIs, integrate frontend components, work with Kafka and AWS S3 as needed, and collaborate with cross-functional teams to troubleshoot and deliver solutions throughout the SDLC.

Design, develop, and maintain full-stack web applications using Java/Spring Boot backends and Angular frontends. Build RESTful APIs and microservices, implement fault tolerance (Hystrix/circuit breakers), event-driven solutions with Kafka, and observability (SLI/SLO). Deploy and manage services on Kubernetes and AWS, collaborate with cross-functional teams, mentor junior developers, and ensure system reliability and performance.

Design, build, and modernize cloud-native applications on Azure (AKS, App Services, Functions). Maintain and enhance legacy React/.NET applications, develop REST APIs, monitor performance, and migrate .NET apps to microservices. Act as subject-matter expert in asset management, communicate with stakeholders, and support full-stack development across frontend and backend technologies.

Build and maintain polyglot full-stack applications, architect scalable microservices, implement agentic AI/LLM workflows, develop modern frontends, manage AWS cloud infrastructure, and own the full software lifecycle including deployment and production monitoring.

Design, develop, and maintain backend microservices in Java/Spring Boot; create RESTful APIs; build Angular frontend components; integrate asynchronous communication (Kafka) and AWS S3 storage; collaborate across the SDLC and troubleshoot full-stack issues.

Design, develop, and maintain high-performance web applications and WebAPIs using .NET 6 and React. Build scalable, reliable services, optimize performance, troubleshoot defects, and collaborate with product and development teams. Use Azure platform services, NoSQL/SQL databases, CI/CD pipelines, and propose continuous improvements.

Build end-to-end product features to improve teacher activation, engagement, and monetization. Optimize onboarding and early user experiences, design scalable AI-powered and growth systems, run experiments with product/design/data, iterate using data and user insights, maintain high-quality codebase, and mentor other engineers.

Design, build, and operate scalable full-stack systems for an AI-native enterprise platform: backend services, APIs, frontend React apps, workflow orchestration, integrations, testing, CI/CD, monitoring, and production readiness while collaborating with product and customers.

Secure customer-facing products, APIs, and internal services through threat modeling, architecture and code reviews. Remediate vulnerabilities by coding fixes in Python/Go/JS/TS. Build and manage SAST/DAST/SCA security pipelines in CI/CD. Configure WAFs, API gateways, and bot protection. Provide secure coding guidance, run bug bounty triage, and support compliance (SOC 2, ISO 27001, GDPR).

Lead development of core client systems and engine-level infrastructure in Unity/C#. Diagnose and fix cross-cutting performance issues, upgrade third-party SDKs, evolve build tooling, produce design docs, scope multi-week infrastructure initiatives, mentor engineers, and drive profiling, optimization, and architecture changes to enable future features.

Lead architecture and hands-on development of cloud-native Java microservices with an Angular frontend. Build FHIR/HL7-based interoperability pipelines, design scalable event-driven systems on GCP, and ensure data integrity across PostgreSQL/Spanner while defining engineering best practices and guiding agile teams.