Haystack
← Back to Jobs
Technology
EP

MERN - Full Stack Developer

Empower ProfessionalsSunnyvale, CA🇺🇸United StatesPosted 25 Aug 2026

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
Sunnyvale, CA, United States
Posted
19 hours ago
MicroservicesNode.jsAzureGoogle CloudGraphQLReactTypeScript

Job Description

Role: MERN Full Stack Developer
Location: 5 days onsite in Sunnyvale, CA
Salary band is $150-180k/annum + benefits
3 round virtual interview process

Looking for MERN Full stacks , needs to have held a staff level job in the past

Needs:
REACT

NODE

GRAPH QL
STAFF LEVEL RESOURCE

Job Description:
Position Summary

As a Staff Software Engineer, you will lead the design and development of our next-generation web applications. You will work on massive-scale systems that power Walmart s e-commerce and retail platforms. You will collaborate with product, data science, and design teams to build high-performance tools and services used by millions of people.

Key Responsibilities

Architect Systems: Design and build scalable full-stack web applications using React, Node.js, and GraphQL.

Lead Strategy: Set the technical direction for front-end architecture, API design, and data orchestration layers.

Optimize Performance: Ensure applications are highly responsive, accessible, and optimized for maximum speed and scalability.

Mentor Engineers: Guide and coach mid-level and senior engineers through code reviews, design docs, and technical pairing.

Drive Collaboration: Partner with product managers and UX designers to turn complex business requirements into clean, functional code.

Technical Skills & Qualifications

Frontend Mastery: Deep expertise in React, TypeScript, state management, and modern bundlers.

Backend Expertise: Strong background building scalable services and microservices using Node.js.

API Design: Proven success designing and implementing high-throughput GraphQL APIs, schemas, and resolvers.

Data Integration: Comfort working with relational and non-relational databases, caching layers, and event-driven data streams.

Cloud & DevOps: Familiarity with cloud platforms (like Microsoft Azure or Google Cloud Platform) and CI/CD deployment pipelines.

Soft Skills

Strong problem-solving abilities and a passion for tackling complex, ambiguous technical challenges.

Excellent communication skills to explain technical ideas to non-technical partners.

Similar jobs