Associate Frontend Developer

The First Labs; Mumbai; Hybrid; INR 720,000 - 880,000; Full time

Benefits offered by this job

Comprehensive Health Insurance ₹10 Lak

Learning & Conference Budget ₹1,00,000

Meals & Transit

Job summary

The First Labs is hiring an Associate Frontend Developer to join our core engineering team in Mumbai. You will build responsive web interfaces and collaborate closely with product design to ship polished user experiences.

We offer a fixed base salary of ₹8 LPA with performance-based bonuses, and on-site/hybrid collaboration with the Mumbai Tech Hub. This role focuses on performance, design systems, and high-quality client-side engineering.

Qualifications

• Experience building responsive web interfaces and client-side architectures.
• Commitment to WCAG accessibility standards and semantic HTML.
• Ability to optimize rendering performance and Core Web Vitals.

Responsibilities

• Rendering Performance & Core Web Vitals: optimize bundle sizes, caching, and rendering lifecycles.
• Design Systems & UI Engineering: build reusable component libraries with visual consistency.
• State Management & Data Synchronization: architect client-side state, offline support, and real-time data streaming.

Skills

Frontend development

UI architecture

Performance optimization

Accessibility

Tools

Service Workers

IndexedDB

Web Storage

Job description

FirstHire helps job seekers discover fresh job opportunities before the crowd.

Finding the right job shouldn't mean searching through outdated listings or discovering opportunities days after they were posted. FirstHire is built to help you discover relevant jobs while they're still fresh, so you can act faster and apply earlier.

We are hiring an Associate Frontend Developer to join our core engineering team in Mumbai. In this role, you will build responsive web interfaces, engineer client-side architectures, and collaborate closely with product design to ship polished user experiences.

Compensation & Location

Fixed Base Salary (₹8 LPA)
Guaranteed annual fixed salary component with structured performance and career growth reviews.

Performance Bonus & Variables
Annual performance-linked variable component tied to feature delivery, interface quality, and engineering impact.

Work Location (Mumbai, India)
On-site / Hybrid collaboration with the core founding engineering team at our Mumbai Tech Hub.

Key Responsibilities

Rendering Performance & Core Web Vitals
Optimize bundle sizes, client caching, asset delivery, and rendering lifecycles to maintain sub-second page loads and fluid interaction latency.

Design Systems & UI Engineering
Translate product requirements and design mockups into accessible, reusable component libraries with strict visual consistency.

State Management & Data Synchronization
Architect client-side state handling, offline tolerance, optimistic updates, and real-time data streaming via WebSockets.

Code Quality & Automated Testing
Write automated component, end-to-end, and visual regression tests to maintain zero-regression release cycles.

Requirements & Technical Depth

Network & Client-Side Storage
Familiarity with HTTP caching headers, Service Workers, IndexedDB, Web Storage, and network request optimization.

Accessibility & Standards
Commitment to WCAG accessibility standards, semantic HTML, keyboard navigation, and assistive technologies.

Comprehensive Health Insurance
Comprehensive medical coverage (₹10 Lakhs) covering the employee and immediate family/parents.

Learning & Conference Budget
Annual ₹1,00,000 allowance for engineering books, certifications, and technical conferences.

Meals & Transit
Daily catered gourmet meals, espresso bar, snacks, and local Mumbai commute reimbursements.

Selection Process

3. Managerial & Leadership Interview
Discussion with engineering leadership focusing on project ownership, cross-functional collaboration, problem-solving mindset, and culture alignment.

4. Offer & Onboarding
Leadership alignment, compensation walkthrough, and formal onboarding roadmap for joining our core engineering team in Mumbai.