Lead Software Engineer - Node.js + GraphQL

TymblHub; Hyderabad; On-site; INR 3,670,000 - 4,060,000; Full time

Job summary

TymblHub in Hyderabad is seeking a Lead Software Engineer to design, implement and mentor on Node.js and GraphQL based systems. You will lead architecture, security, and performance optimization across backend services and cloud deployments.

The role demands 8+ years of hands-on experience with JavaScript/TypeScript, API design, and cloud platforms, while driving best-practices and collaboration with cross-functional teams.

Qualifications

• 8+ years of professional software development experience.
• Proven experience building large-scale apps with JavaScript, TypeScript and Node.js.
• Expertise in GraphQL for API design and development.
• Background in architecture and performance optimization.
• Testing and cloud deployment experience.
• English proficiency at Upper-Intermediate (B2) or higher.

Responsibilities

• Develop and maintain server-side apps using Node.js and NestJS.
• Design RESTful and GraphQL APIs for frontend services and third-party integrations.
• Build secure authentication with JWT and RBAC.
• Integrate external services and cloud-based solutions with logging, caching and error handling.
• Optimize API performance and troubleshoot bottlenecks for high availability.
• Mentor junior team members and drive CI/CD automation.

Skills

Node.js

TypeScript

JavaScript

GraphQL

NestJS

AWS

REST APIs

SQL/NoSQL

CI/CD

Security

Tools

ESLint

SonarQube

JWT

NestJS

GraphQL tooling

Job description

# Lead Software Engineer - Node.js + GraphQLEPAM SystemsPosted on October 17, 2026---Experience8 - 12 yrsSalary (CTC)₹36.7L - ₹40.6LJob LocationHyderabad, IndiaVacancy1DesignationLead Software EngineerJob TypeNot specified---## Job DescriptionWe are seeking an experienced and highly skilled **Lead Node.js Developer** to design, develop, and maintain scalable web applications and enterprise-grade solutions. The ideal candidate will have deep expertise in modern **JavaScript**, **TypeScript**, **Node.js**, and cloud technologies, with a strong understanding of frontend architecture, backend services, application security, performance optimization, and software design principles.As a Lead Developer, you will play a key role in designing technical solutions, mentoring team members, driving architectural decisions, implementing best practices, and delivering high-quality, secure, and maintainable applications.**Responsibilities*** Develop and maintain server-side applications using Node.js and NestJS, writing reusable, testable, scalable, and efficient backend code* Design and implement RESTful APIs and GraphQL APIs for frontend services and third-party integrations* Build secure authentication and authorization systems using JWT and role-based access control* Integrate external services, APIs, and cloud-based solutions, while implementing logging, monitoring, caching, and error-handling mechanisms* Optimize API performance and troubleshoot bottlenecks to ensure high availability and responsiveness* Design and maintain database schemas and data models, working extensively with SQL and NoSQL databases* Optimize database queries and indexing strategies to ensure data integrity, scalability, and high-performance data access* Develop and deploy cloud-native applications on AWS, leveraging AWS services for hosting, storage, monitoring, and scalability* Participate in CI/CD pipeline implementation and deployment automation, monitoring application performance and troubleshooting production issues* Write comprehensive unit tests, ensure high test coverage, conduct code reviews, and enforce development best practices using tools such as ESLint and SonarQube* Apply frontend and backend security best practices to prevent and mitigate Cross-Site Scripting (XSS), Cross-Site Request Forgery (CSRF/XSRF), and CORS vulnerabilities, including secure JWT token management and authentication workflows* Design scalable and maintainable software architectures applying SOLID principles and design patterns such as Singleton Pattern, mentor junior and mid-level developers, and collaborate with cross-functional teams including Product Managers, Designers, QA Engineers, and DevOps teams**Requirements*** 8+ years of professional software development experience* Proven experience building large-scale applications using JavaScript, TypeScript, and Node.js* Expertise in GraphQL for API design and development* Background in application architecture and performance optimization* Skills in testing and cloud deployments* English proficiency at an Upper-Intermediate level (B2) or higher