Full Stack Engineer

Secury
Hyderabad, Telangana, India

We are looking for a skilled Full Stack Developer (Node.js) to design, develop, test, and maintain scalable web applications and APIs. The ideal candidate should be comfortable working across both *backend and frontend*, with strong expertise in Node.js, databases, REST APIs, cloud services, and modern JavaScript frameworks.

The developer will work closely with the product, UI/UX, AI, and business teams to convert product requirements into reliable, secure, and scalable technology solutions.

Key Responsibilities

* Develop scalable and secure backend applications using Node.js.

* Build and maintain RESTful APIs and backend services.

* Develop responsive and user-friendly web interfaces.

* Design and optimize databases such as PostgreSQL / MySQL / MongoDB.

* Implement authentication, authorization, role-based access control, and API security.

* Integrate third-party APIs, payment gateways, communication services, and other external systems.

* Develop real-time features using WebSockets / Socket.IO where required.

* Write clean, reusable, maintainable, and well-documented code.

* Perform unit testing, integration testing, debugging, and performance optimization.

* Collaborate with UI/UX designers to implement designs accurately.

* Work with DevOps teams on deployment, CI/CD, monitoring, and production troubleshooting.

* Deploy and maintain applications on AWS / Azure / GCP.

* Monitor application performance, security, and scalability.

* Participate in code reviews and contribute to development standards.

* Identify technical challenges and propose practical solutions.

* Maintain technical documentation for APIs, architecture, and development processes.

Required Technical Skills

Backend

* Node.js

* Express.js / NestJS

* REST API development

* JavaScript / TypeScript

* JWT / OAuth / authentication systems

* Microservices architecture — good to have

Database

* PostgreSQL / MySQL

* MongoDB

* Redis

* Database design, indexing, optimization, and query performance

Cloud & DevOps

* AWS

* Docker

* Git / GitHub

* CI/CD

* Linux

* Nginx

* Application monitoring and logging

Other

* API integration

* Git-based development workflow

* Postman / Swagger

* WebSockets / Socket.IO

* Basic understanding of cybersecurity and OWASP principles

Preferred Skills

* Experience building SaaS products.

* Experience with *AI/API integrations* such as OpenAI or other LLM APIs.

* Experience with scalable multi-tenant applications.

* Familiarity with event-driven architecture.

* Experience with queues such as BullMQ / RabbitMQ / Kafka.

* Experience with mobile API development.

* Understanding of cloud security and data protection.

* Experience working in an early-stage startup/product environment.

Soft Skills

* Strong problem-solving and analytical ability.

* Good communication and collaboration skills.

* Ability to work independently and take ownership.

* Strong attention to detail.

* Willingness to learn new technologies.

* Ability to work in a fast-paced startup environment.

* Product-oriented mindset rather than simply completing assigned tasks.

Key Performance Indicators (KPIs)

* Quality and reliability of delivered features.

* API performance and system scalability.

* Code quality and maintainability.

* Number of production bugs and resolution time.

* Development turnaround time.

* Test coverage and documentation quality.

* Successful deployment and production stability.

* Contribution to product improvements and technical innovation.

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