Frontend Engineer SDE II To Staff

Weekday AI (YC W21); India; On-site; INR 3,400,000 - 8,500,000; Full time

Job summary

Weekday AI (YC W21) in India is seeking a talented Frontend Engineer to build AI-native interfaces for enterprise supply-chain and decision-support apps.

You will own frontend surfaces end-to-end, work on complex product features, and collaborate with Product, Design, Backend, Data, and domain experts. Open across SDE II, SDE III/Senior, and Staff levels, with a strong focus on performance and scalability.

Qualifications

• 3+ years of professional experience building and shipping production-grade frontend applications.
• Strong hands-on expertise in JavaScript, React, and TypeScript.
• Solid understanding of modern browser fundamentals, frontend architecture, rendering, state management, and async workflows.
• Proven experience owning complex product features or frontend surfaces end-to-end.
• Strong understanding of APIs, data flows, permissions, error handling, testing, and frontend performance.

Responsibilities

• Own frontend product surfaces end-to-end from definition to launch and iteration.
• Build sophisticated, data-heavy workflows and enterprise apps using React, JS, and TS.
• Design reusable component systems and frontend architectures across state, APIs, and product domains.
• Develop complex interfaces including workflow builders, dashboards, maps, canvases, and data visualizations.
• Resolve rendering, data fetching, permissions, and long-running workflow challenges.
• Design scalable state-management and asynchronous data-flow solutions.
• Optimize frontend performance and reliability across large datasets.
• Develop robust automated tests and improve frontend testing coverage.

Skills

React

JavaScript

TypeScript

Frontend architecture

Tools

GraphQL

Monorepos

Job description

Job Description:

This role is for one of the Weekdays clients

Salary range: Rs 3400000 - Rs 8500000 (ie INR 34-85 LPA)

Experience: 3+ yrs

Location: India

Job Type: Full-time

We are looking for talentedFrontend Engineersto build sophisticated, AI-native interfaces for enterprise supply-chain and decision-support applications. This is not a traditional SaaS frontend role; you will work on complex product surfaces includingworkflow builders, data grids, canvases, maps, visualizations, and configurable applicationsoperating on large and evolving datasets.

The role is open acrossSDE II, SDE III/Senior, and Staff levels, with level determined by technical depth, ownership, problem-solving ability, and organizational influence.

Key Responsibilities

• Own frontend product surfaces end-to-end, fromproblem definition and architecture through implementation, launch, and iteration.


• Build sophisticated, data-heavy workflows and enterprise applications usingReact, JavaScript, and TypeScript.


• Design reusable component systems, frontend architectures, and clear boundaries across state, APIs, and product domains.


• Develop complex interfaces includingworkflow builders, data grids, canvases, dashboards, maps, visualizations, and configurable applications.


• Solve challenging frontend problems involving rendering, data fetching, permissions, partial data, error handling, and long-running workflows.


• Design effective state-management and asynchronous data-flow solutions for complex user interactions.


• Optimize frontend performance, responsiveness, reliability, and scalability across large datasets.


• Develop robust automated tests and improve frontend testing practices and coverage.


• Contribute to frontend observability, debugging, monitoring, and production reliability.


• Improve developer experience through reusable tooling, patterns, libraries, and engineering standards.


• Collaborate closely withProduct, Design, Backend Engineering, and domain experts to translate complex business workflows into intuitive experiences.


• Evaluate technical approaches and communicate architectural decisions, alternatives, trade-offs, and expected outcomes.


• Participate in code reviews and maintain high standards for code quality, maintainability, and engineering practices.


• Mentor engineers and contribute to technical growth at Senior and Staff levels.


• At Staff level, establish frontend architecture and technical direction across multiple teams or product surfaces while remaining hands-on.

What Makes You a Great Fit

• 3+ years of professional experiencebuilding and shipping production-grade frontend applications.


• Strong hands-on expertise inJavaScript, React, and TypeScript.


• Strong understanding of modern browser fundamentals, frontend architecture, rendering, state management, and asynchronous workflows.


• Proven experience owningcomplex product features or frontend surfaces end-to-end, beyond implementing isolated UI components.


• Strong understanding of APIs, data flows, permissions, error handling, testing, and frontend performance optimization.


• Ability to design scalable and reusablecomponent systems, frontend patterns, and architecture.


• Strong product judgment and ability to translate complex requirements into intuitive user experiences.


• Ability to clearly explain technical decisions, alternatives, trade-offs, challenges, and measurable outcomes.


• Comfortable working with evolving requirements and solving ambiguous technical and product problems.


• Strong collaboration skills across Product, Design, Backend, Data, and other technical teams.


• Experience withenterprise SaaS, B2B products, analytics platforms, developer tools, or other technically complex applicationsis an advantage.


• Experience withworkflow builders, editors, canvases, data grids, dashboards, configurable applications, or data visualizationis highly valuable.


• Familiarity withGraphQL, monorepos, shared component libraries, or design systemsis a plus.


• Experience with enterprise permissions, frontend observability, or web-performance optimization is beneficial.


• Experience working closely with backend and data-platform teams is an advantage.


• ForSenior-level roles, proven ability to own major product surfaces and make sound architecture, performance, and quality decisions.


• ForStaff-level roles, demonstrated ability to establish technical direction, create leverage through architecture and standards, mentor engineers, and influence multiple teams while staying hands-on with code.