Senior Fullstack Developer

Valerie Group · India · posted today ago

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About this role

About this Role

We're looking for a Founding Full Stack Engineer to help build and scale Valerie's multi-tenant platform for e-commerce brands. You'll work across the entire product stack — from React interfaces and TypeScript contracts to NestJS APIs, PostgreSQL, AWS, testing, and deployment. This is a hands-on engineering role where you'll own features from architecture and implementation through to production.

You'll work closely with the Product and Engineering teams to turn evolving ideas into reliable, production-ready systems. You'll have significant ownership in how we build, test, deploy, and scale the platform, while also contributing to the development of Valerie's AI Agents and Brands & Investment Growth Platform.

You could be a great fit if...

You enjoy working across the full stack rather than being limited to frontend or backend.

You like taking a feature from an idea or requirement all the way through to production.
You are comfortable making architecture and technical decisions independently in a fast-moving environment.
You care about building production-ready systems, not just getting code to work.
You have strong TypeScript fundamentals and enjoy working with both React and Node.js.
You naturally think about scalability, security, performance, and maintainability when building features.
You enjoy solving complex problems across the browser, API, database, and infrastructure layers.
You take ownership when something breaks and are comfortable digging into logs, metrics, and production evidence to find the root cause.
You enjoy improving engineering workflows, code quality, testing, CI/CD, and development practices.
You're excited by the opportunity to help build a product and technical foundation from an early stage.

Requirements

6+ years of professional software engineering experience, with substantial ownership of production systems.
3+ years of advanced TypeScript development across both frontend and backend.
Strong understanding of TypeScript, including generics, discriminated unions, type narrowing, utility types, and strict compiler configuration.
Advanced React experience, including component architecture, hooks, server state management, form performance, and reusable UI patterns.
Experience building complex forms using React Hook Form or an equivalent library, with schema validation using Zod, Yup, or JSON Schema.
Strong Node.js and NestJS experience, including dependency injection, modular architecture, validation, guards, interceptors, and exception handling.
Strong understanding of REST API design, including resource modelling, pagination, filtering, versioning, idempotency, and consistent error handling.
Strong PostgreSQL knowledge, including relational modelling, constraints, transactions, indexes, and query optimisation.
Experience with Prisma ORM, including migrations and avoiding inefficient database query patterns.
Experience securing web applications using JWT or OAuth 2.0, RBAC, secure cookies, token rotation, and OWASP practices.
Experience writing automated tests using Jest and browser-level tests using Playwright.
Production experience with Docker and CI/CD pipelines.
Practical AWS experience across areas such as container deployment, managed databases, object storage, load balancing, IAM, configuration management, and observability.
Strong Git skills and experience working through pull requests and technical code reviews.
Ability to independently investigate and resolve issues across frontend, backend, database, and cloud infrastructure.

Bonus Points

Experience with Nx or another JavaScript monorepo build system.
Experience building multi-tenant SaaS products and implementing tenant-level data isolation.
Experience with performance optimisation and observability for distributed applications.
Experience working in a startup or 0→1 product environment.
Experience building products involving AI agents, AI workflows, or LLM-powered applications.
Experience working closely with Product teams to turn ambiguous requirements into technical solutions.

What Success Looks Like

Features are strongly typed from database and API contracts through to the React interface.
Authentication, authorisation, and tenant boundaries are enforced securely at the server level.
Database changes are supported by safe migrations, appropriate constraints, and thoughtful indexing.
Critical business workflows have meaningful automated test coverage.
Pull requests are clean, maintainable, and supported by clear technical reasoning.
Production issues can be traced through structured logs, metrics, and reproducible evidence.
Services can be deployed through automated, repeatable pipelines without manual configuration.
You take ownership of what you build and continuously improve the reliability and quality of the platform.

You probably shouldn't apply if...

You prefer working exclusively on either frontend or backend.
You need detailed instructions before making technical decisions.
You see engineering as simply writing code against predefined tickets.
You're uncomfortable working in an environment where requirements and priorities evolve quickly.
You don't enjoy debugging problems that span multiple layers of the technology stack.
You prefer highly structured environments with established systems and processes.
You aren't comfortable taking ownership of a feature after it has been deployed.

The best time to join Valerie was yesterday. The next best time is now 🤓

👋Our Hiring Process

We want interviews to be valuable for both sides. Throughout the process, you'll meet the people you'll work with, learn more about the role, and get a chance to understand how we think and operate.