Job Description

This role is for one of our clients

Industry: Technology, Information and Media
Seniority level: Mid-Senior level

Min Experience: 5 years
Location: Mumbai
JobType: full-time

About the Role

We're hiring a

Senior Frontend Engineer

with a strong command of React and data visualization libraries to craft intelligent, real-time analytics dashboards. You'll play a pivotal role in transforming vast datasets--ranging from social media intelligence to multi-tenant enterprise metrics--into interactive, intuitive, and high-performing UI components.
This role is perfect for someone who thrives at the intersection of design, performance, and deep data insights.

What You'll Do

Build Intelligent UIs

Architect and develop modular React + TypeScript interfaces with clean code structure and reusable components.
Implement responsive dashboards powered by

amCharts

and

D3.js

, visualizing real-time metrics, maps, heatmaps, and time series data.

Handle High-Volume Data

Optimize performance for

massive datasets

(10M+ records) using memoization, virtual scrolling, and Web Workers.
Enable smooth interactions via real-time data rendering powered by

WebSocket integrations

.

Visual Storytelling

Translate AI/ML insights and behavioral data into meaningful visualizations (e.g., anomaly charts, social media sentiment flows).
Design custom visual layers with

geospatial overlays

,

network graphs

, and

multi-dimensional KPIs

.

API-Driven Integration

Connect with REST and GraphQL APIs from platforms like Django/FastAPI.
Fetch, paginate, and visualize data from

PostgreSQL

,

NoSQL stores

, and

external APIs (Twitter, LinkedIn, etc.)

.

Security & Multi-Tenancy

Implement

tenant-specific UI themes

, access controls, and role-based dashboards.
Ensure adherence to web security practices including

XSS/CSRF protection

,

CSP

, and

data isolation

.

Team Collaboration

Partner with UX/UI teams to transform wireframes into polished visual experiences.
Guide junior engineers on component architecture, testing (Jest, Cypress), and visualization techniques.
Collaborate with backend, QA, and DevOps for full lifecycle delivery.

What You Bring

5+ years

of frontend development with production-grade React and TypeScript.

3+ years

hands-on experience in building interactive charts using

amCharts

,

D3.js

, or similar libraries.
Deep understanding of

data visualization principles

(color theory, legibility, interactivity).
Expertise in

state management

tools (Redux, Zustand, Context API).
Solid understanding of

performance tuning

for frontend-heavy applications with real-time or large data streams.
Comfortable working with

REST/GraphQL

, JSON, and pagination or streaming-based APIs.
Knowledge of

security best practices

(OWASP, JWT, OAuth2).
Experience with

unit/e2e testing

and

CI/CD workflows

(GitHub Actions, GitLab CI).

Nice-to-Have

Experience building

real-time dashboards

using WebSockets.
Exposure to

AI/ML visualization

, including model output overlays and predictive UI components.
Familiarity with

backend systems

(FastAPI, Django) and

data models

(PostgreSQL, NoSQL).