Software Development Engineer II - Frontend

HighLevel; India; Remote; INR 1,800,000 - 2,400,000; Full time

Job summary

HighLevel in India is seeking an SDE II on the frontend to build storefronts, checkout and catalog surfaces for a global commerce platform. You will work on modules that run in 150+ countries, focusing on performance, accessibility and offline support.

You should obsess over bundle size, hydration costs, service workers, and fast UIs. Collaboration with PM/Design and mentoring juniors are part of the role. Remote-first team with strong emphasis on craftsmanship.

Qualifications

• 2+ years building production frontend applications.
• Deep Vue.js knowledge and performance mindset.
• Experience with service workers and offline behaviour.
• State management at scale (TanStack Query or equivalent).
• Accessibility and localisation in software builds.
• Module federation and modern frontend tooling (Rspack, Vite).
• Ability to reason about API contracts and error states.
• Strong debugging and problem-solving skills.

Responsibilities

• Build and ship storefronts, checkout, catalog, subscriptions and invoices.
• Embed experiences with module federation, iframes and white-label hosts.
• Own performance budgets end-to-end (Core Web Vitals, bundle size).
• Build installable, offline-tolerant PWAs with service workers and caching strategies.
• Deliver accessibility and localisation across languages and currencies.
• Instrument with real-user monitoring and OpenTelemetry to surface regressions.
• Collaborate with PM/Design and mentor junior engineers.

Skills

Vue.js

Performance profiling

Service workers & offline caching

Frontend state management

Module Federation

Accessibility (WCAG)

Protobuf/ConnectRPC"

Typed API contracts

UI performance budgets

Tools

Rspack

Vite

TanStack Query

Protobuf

ConnectRPC

Go

Job description

About HighLevel

HighLevel is an AI-powered business operating system that gives agencies, entrepreneurs and SMBs the infrastructure to build, automate and scale. Today, HighLevel supports SMBs across 150+ countries, fueling community-driven growth rooted in real customer outcomes.

To date, businesses operating on HighLevel have generated over $7 billion in ecosystem value, demonstrating the impact of shared infrastructure at scale. By centralizing conversations, automation and intelligence into one system, we help businesses move faster, reduce complexity and execute efficiently.

Behind the platform, HighLevel powers more than 4 billion API hits and 2.5 billion message events daily. With 250 terabytes of distributed data, 250+ microservices and over 1 million domain names supported, our architecture is built for performance, resilience and long-term scalability.

Our People

With over 2,000 team members across 10+ countries, HighLevel operates as a global, remote-first organization built for speed and ownership. We value initiative, clarity and execution, creating space for ambitious people to build systems that support millions of businesses worldwide. Here, innovation thrives, ideas are celebrated and people come first, no matter where they call home.

Our Impact

Every month, HighLevel enables more than 1.5 billion messages, 200 million leads and 20 million conversations for the more than 1 million businesses we support. Behind those numbers are real people building independence, expanding opportunity and creating measurable impact. We’re proud to be a part of that.

Learn more about us on our YouTube Channel or Blog Posts.

About Commerce & Payments Team

The Commerce & Payments team is a newly formed organization to add HighLevel’s evolving capabilities and make it both a Commerce Platform and a surface where our customers can perform their sales motions for their products. Building Catalogs, subscriptions, fulfillment , payment processing engines, inventory mgmt, pricing, documents/contracts and more to enable our SMBs to increase their revenue will be the core focus of the org. Hardly any tech debt, mostly green field work working closely with product folks to build, ship and refine our Commerce offerings makes this an exciting place to learn, engage and thrive.

About the Role

We're building a global commerce platform to power $1T+ in annual transactions formillions of SMEs. As an SDE II on the frontend, you'll build the surfaces that customersand their buyers touch: storefronts, checkout, catalog, subscription management, invoicesand contracts.

These surfaces carry money. They get embedded inside other people's experiences. Theyrun on slow phones and flaky networks in 150+ countries. A layout shift shows up insomeone's conversion rate, and a 300ms regression shows up in someone's revenue.

This role is for engineers who obsess over frontend craft and have the depth to back it up. If you already know why your bundle is that size, where your hydration cost goes, andwhat your service worker does on a cache miss, we want to talk to you.

Responsibilities

• Build and ship the commerce surfaces: storefronts, checkout, catalog,subscription management, invoices and documents
• Embed our experiences inside other experiences — module federation, iframes and white-label hosts that stay isolated, load fast and degrade gracefully
• Own performance budgets end to end: Core Web Vitals, bundle size, render cost, hydration, main-thread work. Measure them in CI and defend them
• Build installable, offline-tolerant PWAs with service workers, considered caching strategies and background sync
• Deliver WCAG 2.2 AA accessibility and full localisation across languages, currencies, tax and address formats, and RTL layouts
• Instrument the client with real-user monitoring and OpenTelemetry so regressions surface before customers report them
• Collaborate with PM/Design and mentor junior engineers

Requirements

• 2+ years building and operating production frontend applications
• Deep Vue.js knowledge: the reactivity model, component composition, rendering
  behaviour, and the runtime cost of each choice
• A visible performance habit. You live in Lighthouse, Chrome DevTools and the performance profiler, and you can walk us through a regression you found, measured and fixed
• Service workers and caching strategy: precaching, runtime caching, versioning, invalidation, and offline behaviour that stays correct
• Client state management and local caching at scale (TanStack Query or
  equivalent): cache keys, staleness, invalidation, optimistic updates
• Accessibility as a build-time discipline: semantics, focus management, keyboard
  paths, screen reader behaviour, WCAG 2.2 AA
• Internationalisation and localisation: message extraction, plurals, locale-aware
  currency and date formatting, RTL
• Modern frontend tooling and module federation (Rspack, Vite), plus bundleanalysis and code splitting
• An eye for craft. You notice the four-pixel misalignment, the janky scroll, and thelayout shift that only appears on a throttled connection, and you fix all three
• Comfortable consuming typed backend contracts (ConnectRPC/protobuf) andreasoning about API contracts and error states
• Excellent debugging and problem-solving skills

Tech Stack

Frontend: Vue.js, Rspack, Module Federation, TanStack Query

Client platform: Service workers/PWA, OpenTelemetry, Vite, ESLint

Backend contracts: Go, ConnectRPC, Buf

Cloud: GCP (GKE), Pub/Sub

#LI-Remote #LI-SS1

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