# Fullstack Engineer SE III (ENT)

> Keywords Studios · Pune, India (Hybrid) · Full-time · Posted 2026-06-11

**Workplace:** hybrid

**Department:** Helpshift - Engineering

## Description

### **Responsibilities**

### **Frontend Development**

-   Design and develop modern web applications using **ReactJS** and modern JavaScript.
-   Build reusable components, shared modules, and scalable frontend architecture.
-   Translate UI/UX designs into high-quality, performant implementations.
-   Optimize applications for performance, scalability, and responsiveness.
-   Ensure cross-browser compatibility and responsive design.
-   Improve frontend observability, performance metrics, and user experience.
-   Work closely with product and design teams to deliver seamless user experiences.

### **Backend Development**

-   Design and implement APIs supporting frontend features.
-   Contribute to backend services powering conversations and workflow systems.
-   Work with databases and distributed systems at scale.
-   Debug and resolve production issues across frontend and backend layers.
-   Improve reliability, scalability, and performance of backend components.

### **Engineering Excellence**

-   Own features from development through deployment and monitoring.
-   Write clean, maintainable code with strong test coverage.
-   Write unit, integration, and regression tests.
-   Review peer code and uphold engineering standards.
-   Identify bottlenecks, troubleshoot issues, and drive informed technical improvements.

## Requirements

### **Experience**

-   6+ years of software development experience.
-   Strong experience building medium to large-scale web applications.
-   Experience working across both frontend and backend systems.

### **Frontend Skills (Primary)**

-   Strong proficiency in:

-   JavaScript (ES6+)
-   ReactJS
-   HTML5 and CSS3

-   Experience with state management patterns (Redux, Flux, or equivalent).
-   Familiarity with modern build tools such as Webpack and Babel.
-   Strong understanding of frontend performance optimisation techniques.
-   Experience addressing cross-browser compatibility challenges.
-   Experience building reusable component libraries or scalable UI architectures.

### **Backend Skills**

-   Experience designing or consuming REST APIs.
-   Understanding of distributed systems and backend architecture.
-   Familiarity with server-side development (JVM ecosystem preferred).
-   Experience with one or more data stores such as PostgreSQL, MongoDB, Redis, or Elasticsearch.
-   Comfortable working in Linux/Unix environments and using CLI tools.

### **Engineering Practices**

-   Strong computer science fundamentals including data structures and algorithm complexity.
-   Proficiency with Git and distributed version control workflows.
-   Experience writing unit and integration tests.
-   Strong debugging and problem-solving skills.
-   Excellent verbal and written communication skills.

### **Nice to Have**

-   Experience with CSS frameworks such as Sass or Tailwind.
-   Exposure to large-scale frontend applications.
-   Experience with performance benchmarking and observability tools.
-   Familiarity with event-driven systems or real-time platforms.
-   **Experience with functional programming concepts.**
-   **Exposure to or experience with Clojure is a strong plus.**

## Apply

[Apply at Keywords Studios](https://apply.workable.com/keywords-intl1/j/2040E51677/apply)

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