Senior Full Stack Engineer

Mumbai

Level: Senior

Not stated in the posting: salary, work type, visa.

Open. First seen 2 November 2026.

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About the role

𝗧𝗵𝗶𝘀 𝗿𝗼𝗹𝗲 𝗶𝘀 𝗳𝗼𝗿 𝗼𝗻𝗲 𝗼𝗳 𝘁𝗵𝗲 𝗪𝗲𝗲𝗸𝗱𝗮𝘆'𝘀 𝗰𝗹𝗶𝗲𝗻𝘁𝘀

𝗦𝗮𝗹𝗮𝗿𝘆 𝗿𝗮𝗻𝗴𝗲: 𝗥𝘀 𝟮𝟬𝟬𝟬𝟬𝟬𝟬 - 𝗥𝘀 𝟯𝟬𝟬𝟬𝟬𝟬𝟬 (𝗶𝗲 𝗜𝗡𝗥 𝟮𝟬-𝟯𝟬 𝗟𝗣𝗔)

Experience: 12+ yrs

Location: Mumbai, Maharashtra, India

As a Senior Full Stack Engineer, you will lead the design, implementation, and scaling of multi-tenant SaaS products that serve a diverse customer base, ensuring high availability and seamless user experiences. You will work closely with product managers, designers, and data scientists to translate complex requirements into production-ready code, while maintaining a clean, maintainable architecture that supports rapid feature iteration. Your deep knowledge of React and NodeJS will be vital in creating responsive front‑ends and robust back‑ends, with a focus on performance, security, and test coverage.

You will mentor junior developers, conduct code reviews, and champion best practices across the engineering team, ultimately driving the technical vision that aligns with business goals.

Requirements

𝗞𝗲𝘆 𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀

Architect and develop scalable SaaS applications using React and NodeJS
Implement RESTful and GraphQL APIs that serve enterprise-grade clients
Optimize application performance, memory usage, and load times
Integrate third‑party services (payment gateways, analytics, CI/CD pipelines)
Write automated unit, integration, and end‑to‑end tests with continuous integration
Participate in code reviews, provide constructive feedback, and enforce coding standards
Collaborate across cross‑functional teams to define product roadmap and feature priorities
Troubleshoot production incidents, analyze root causes, and implement long‑term fixes
Document technical decisions, architecture diagrams, and best‑practice guidelines
Stay current with emerging technologies and industry trends to recommend innovative solutions

𝗪𝗵𝗮𝘁 𝗠𝗮𝗸𝗲𝘀 𝗬𝗼𝘂 𝗮 𝗚𝗿𝗲𝗮𝘁 𝗙𝗶𝘁

12+ years of hands‑on experience in full stack development for SaaS platforms
Proven track record of delivering high‑revenue products from concept to production
Expert proficiency in React, Redux, TypeScript, and NodeJS/Express ecosystems
Strong understanding of cloud infrastructure (AWS, Azure, GCP) and microservices architecture
Experience with containerization (Docker) and orchestration (Kubernetes)
Familiarity with CI/CD pipelines, automated testing, and monitoring tools
Ability to mentor junior engineers and foster a culture of continuous improvement
Excellent communication skills, both technical and non‑technical, across teams
Deep knowledge of performance optimization, indexing, and data modeling for SQL/NoSQL databases
Passion for learning new technologies and improving development processes.

What this role asks for

Particular to this role

Docker · Express · GraphQL · Kubernetes · NoSQL · Redux

Rare in Weekday AI's other 299 open postings.

Standard for full stack roles

AWS · CI/CD · Node.js · REST · React · SQL · TypeScript

Common in full stack postings at any company.

Compared with Weekday AI's other open jobs.

The team: Weekday's Client via platform HIRES STEADILY

This role is one of 379 open in Weekday's Client via platform. 244 were posted in the last 30 days and the oldest in September: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Python (124 of 379), CI/CD (112 of 379), AWS (106 of 379), SQL (93 of 379), Azure (84 of 379), REST (79 of 379), GCP (69 of 379)

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Lead Service Designer posted Oct 28
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Product Manager posted Oct 26
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Technical Lead Electrical Engineering and Computer Science posted Oct 26
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Director Product Operations posted Oct 23
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CTO - AI & Enterprise Automation posted Oct 23
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Director Applied Science posted Oct 19
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Principal Software Engineer posted Oct 16
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Senior Backend Engineer posted Oct 16
Senior Technology Leader - IT posted Oct 16
Associate Product Manager posted Oct 16
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AVP - UI/UX posted Oct 15
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Senior Data Scientist posted Oct 14
Director - Production Services & Engineering posted Oct 14
Founding Staff Engineer posted Oct 13
Graphic Designer - Branding, Packaging & Social Media posted Oct 13
Mixed Signal Engineer posted Oct 13
Founding Product Designer posted Oct 13
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Senior Product Designer posted Oct 13
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Frontend Web Developer posted Oct 13
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Junior QA + Devops Engineer posted Oct 12
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Front End Developer posted Oct 12
Senior Data Engineer posted Oct 12
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Product Designer posted Oct 12
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Cyber Security Engineer CRA posted Oct 12
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Senior AI Engineer posted Oct 12
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Manager-AI Delivery posted May 15
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Technical Support Specialist posted May 15
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Staff Engineer - Java posted Apr 16
Solutions Engineer (CPAs) posted Apr 8
Solutions Engineer Expert (CPAs) posted Apr 8
Solutions Engineer (CPAs Preferred) posted Apr 2
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DevOps Specialist posted Mar 19
Senior Network Engineer posted Mar 16
Lead Engineering Manager posted Mar 5
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Frontend Engineer 3 posted Dec 17
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Chemistry Expert (PhD) - AI Trainer posted Oct 1
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Physics AI Trainer (PhD) posted Sep 9
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From the team and dates on Weekday AI's own job board.

Salary context

54 other open postings titled Senior Full Stack Engineer state a salary: median USD 157,000 to USD 200,500 a year.

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SKILLSAWS 26,355 SQL 21,846 CI/CD 21,378 Azure 17,686

PLACESMumbai 300 India 8,672

COMPANYJobs at Weekday AI 622

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