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EY

Senior Fullstack Engineer

EY

. Design, develop, test and support responsive enterprise web applications, dashboards, chat interfaces, copilots and agent-based user experiences .

Posted 9/24/2026full-timeChennai • IndiaSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in full-stack application development, with strong proficiency in JavaScript, TypeScript, React, and backend technologies such as Python and FastAPI. Capable of designing secure, scalable, and accessible web applications while collaborating effectively with cross-functional teams.

Highest-signal resume keywords
Full-Stack Application DevelopmentJavaScript or TypeScript ProficiencyReact Framework ExpertisePython with FastAPI or .NET ExperienceREST and GraphQL API Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
JavaScriptTypeScriptReactPythonFastAPIREST APIsGraphQLSQLHTML5CSS
Soft Skills
Problem-SolvingDesign ThinkingCommunicationCollaborationTechnical Documentation
Tools & Technologies
AzureAWSGCPGitDockerKubernetesCI/CDAutomated TestingWebSocketsServer-Sent Events
Certifications & Qualifications
Bachelor's Degree in Computer ScienceMaster's Degree in Information Technology
Industry Keywords
Enterprise ApplicationsCloud-Native ServicesMicroservicesEvent-Driven PatternsApplication SecurityOWASP PracticesAccessibilitySecure SDLCAI IntegrationsUser Experience

Tech Stack

Tools & technologies
AWSAzureCloudDockerGoogle Cloud PlatformGraphQLJavaJavaScriptKubernetesMicroservicesNext.jsNode.jsPythonReactSDLCSpringSpring BootSpringBootSQLTypeScript.NET

About the role

Key responsibilities & impact
  • Design, develop, test and support responsive enterprise web applications, dashboards, chat interfaces, copilots and agent-based user experiences
  • Build reusable and accessible frontend components using React, TypeScript and Next.js or equivalent frameworks
  • Develop scalable backend services using Python and FastAPI, .NET, Java or Node.js
  • Create and integrate REST or GraphQL APIs, enterprise services, workflow platforms, databases, search services and AI/LLM endpoints
  • Implement real-time interactions using WebSockets, Server-Sent Events or token streaming
  • Design application state management, authentication, authorization, session handling, caching and secure client-server communication
  • Apply secure coding practices, validation, secrets protection, dependency management, privacy controls and safe rendering of AI-generated content
  • Write unit, integration, API, UI and end-to-end automated tests; participate in code reviews, quality gates and release validation
  • Containerize services and contribute to CI/CD, cloud deployment, monitoring, logging and production support
  • Optimize performance, scalability, availability, accessibility, browser compatibility and user experience
  • Troubleshoot issues across UI, APIs, databases, cloud services, network paths, authentication, streaming and AI integrations
  • Prepare technical designs, API specifications, implementation documentation, test evidence and runbooks
  • Contribute reusable components, SDKs and engineering standards
  • Collaborate with architects, UX designers, product owners, AI engineers, data engineers, security teams and business stakeholders
  • Mentor junior developers where required

Requirements

What you’ll need
  • 4–8 years of experience in full-stack, frontend, backend or cloud-native application development
  • Hands-on experience delivering enterprise or client-facing applications through development, testing, deployment and production support
  • Strong proficiency in JavaScript or TypeScript, React and modern web development
  • Strong understanding of HTML5, CSS, responsive design, component architecture, state management, forms, routing and browser behavior
  • Experience building reusable component libraries, typed API clients, dashboards, chat interfaces and accessible user experiences
  • Working knowledge of WebSockets, Server-Sent Events or token-level streaming
  • Strong proficiency in at least one backend stack: Python with FastAPI, .NET, Java with Spring Boot, or Node.js
  • Experience with REST APIs, GraphQL, JSON, authentication, authorization, asynchronous processing, microservices and event-driven patterns
  • Experience with SQL and relational databases
  • Experience with Azure, AWS or GCP and cloud-native application services
  • Working knowledge of Git, Docker, Kubernetes or managed containers, CI/CD, automated testing and environment configuration
  • Experience with logging, monitoring, tracing, performance optimization and production troubleshooting
  • Understanding of application security, OWASP practices, privacy, accessibility, secure SDLC and Responsible AI controls
  • Strong problem-solving, design thinking, code quality and technical documentation skills
  • Good communication and collaboration across technical and business teams
  • Ability to translate business and user requirements into maintainable technical solutions
  • Bachelor's or master's degree in Computer Science, Information Technology, Engineering or a related discipline

Benefits

Comp & perks
  • Continuous learning and access to development tools
  • Flexibility to make a meaningful impact
  • Leadership insights, coaching and confidence-building
  • Diverse and inclusive culture
  • Opportunity to work with global clients and AI experts
  • Relevant cloud, application development, DevOps or AI certifications are preferred