Senior Full Stack Engineer

Senior Full Stack Engineer

Posted 2 weeks ago by Amiseq Inc.

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Negotiable
Undetermined
Remote
Remote
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Active Directory Apollo Client Application Programming Interface (API) Azure DevOps Azure Kubernetes Service C# (Programming Language) Continuous Integration and Continuous Delivery DevOps Docker (Software) Full Stack Development Generic Programming GraphQL Java (Programming Language) JavaScript (Programming Language) Jest (JavaScript Testing Framework) Kubernetes Management Microservices Microsoft Azure Microsoft Windows Nodes (Networking) OAuth Object-Oriented Design Object Oriented Modeling And Design OpenAPI Python (Programming Language) Rate Limiting React.js Software Development Spring Boot Toolkits TypeScript User Interface Webpack

Summary: The role of Senior Full Stack Engineer requires expertise in Java and strong frontend skills, particularly in React and TypeScript, with a focus on developing user-facing applications. The engineer will collaborate with backend teams and contribute to various technologies, ensuring robust application performance and state management. The position is remote and seeks a candidate with significant experience in software development and modern programming languages.

Key Responsibilities:

  • Design and develop user-facing applications using React (TypeScript) and/or Flutter (Dart) - good to have
  • Work with Module Federation / micro-frontend architectures
  • Implement and manage state using Redux Toolkit, including async flows and resilient UI states (loading, error, empty)
  • Integrate REST APIs and, where applicable, GraphQL (Apollo), including real-time capabilities via WebSockets
  • Develop and maintain unit and integration tests using Jest, Testing Library, and contribute to Playwright E2E testing
  • Utilize MSW (or similar tools) for API mocking
  • Collaborate on Node.js/Express-based environments, including proxies and security best practices (headers, rate limiting)
  • Partner with backend teams and contribute to Spring Boot APIs, GraphQL schemas, and OpenAPI documentation
  • Monitor and troubleshoot applications using OpenTelemetry and platform monitoring tools (e.g., Application Insights)
  • Work across technologies including JavaScript, TypeScript, Java, C#, Python, along with Docker, Kubernetes, and Azure services

Key Skills:

  • 5+ years of professional software development experience, including strong production-level React experience
  • Proficiency in at least two modern languages (JavaScript, TypeScript, Java, Python, C#, etc.) with solid object-oriented design principles
  • Strong expertise in TypeScript (types, generics, modular patterns)
  • Experience with Webpack 5 and modern frontend tooling
  • Hands-on experience with micro-frontends / Module Federation (or equivalent architecture)
  • Strong knowledge of Redux Toolkit and complex UI state management
  • Solid understanding of microservices architecture and REST APIs
  • Familiarity with authentication/security protocols (SAML, OAuth, Active Directory, Windows Auth)
  • Experience with GraphQL (Apollo Client) is preferred
  • Working knowledge of Node.js/Express
  • Experience with CI/CD pipelines (Azure DevOps or similar) and private package registries
  • Ability to read/modify Java/Spring Boot services, or willingness to ramp up quickly

Salary (Rate): undetermined

City: undetermined

Country: undetermined

Working Arrangements: remote

IR35 Status: undetermined

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

We are currently looking for a Senior Full Stack Engineer (Java + strong frontend experience, ideally React/TypeScript and/or Flutter - good to have) to support your team. Please find the role details below
Key Responsibilities

  • Design and develop user-facing applications using React (TypeScript) and/or Flutter (Dart) - good to have
  • Work with Module Federation / micro-frontend architectures
  • Implement and manage state using Redux Toolkit, including async flows and resilient UI states (loading, error, empty)
  • Integrate REST APIs and, where applicable, GraphQL (Apollo), including real-time capabilities via WebSockets
  • Develop and maintain unit and integration tests using Jest, Testing Library, and contribute to Playwright E2E testing
  • Utilize MSW (or similar tools) for API mocking
  • Collaborate on Node.js/Express-based environments, including proxies and security best practices (headers, rate limiting)
  • Partner with backend teams and contribute to Spring Boot APIs, GraphQL schemas, and OpenAPI documentation
  • Monitor and troubleshoot applications using OpenTelemetry and platform monitoring tools (e.g., Application Insights)
  • Work across technologies including JavaScript, TypeScript, Java, C#, Python, along with Docker, Kubernetes, and Azure services


Required Qualifications

  • 5+ years of professional software development experience, including strong production-level React experience
  • Proficiency in at least two modern languages (JavaScript, TypeScript, Java, Python, C#, etc.) with solid object-oriented design principles
  • Strong expertise in TypeScript (types, generics, modular patterns)
  • Experience with Webpack 5 and modern frontend tooling
  • Hands-on experience with micro-frontends / Module Federation (or equivalent architecture)
  • Strong knowledge of Redux Toolkit and complex UI state management
  • Solid understanding of microservices architecture and REST APIs
  • Familiarity with authentication/security protocols (SAML, OAuth, Active Directory, Windows Auth)
  • Experience with GraphQL (Apollo Client) is preferred
  • Working knowledge of Node.js/Express
  • Experience with CI/CD pipelines (Azure DevOps or similar) and private package registries
  • Ability to read/modify Java/Spring Boot services, or willingness to ramp up quickly
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