# Frontend Engineer

> Techconnect.id · Jakarta, Indonesia (Hybrid) · Contract · Posted 2026-06-26

**Workplace:** hybrid

**Department:** SQE

## Description

_**📌 CONTRACT DETAILS**_

• Duration: 12-months fixed term (subject to change based on business needs)

• Engagement: Through 3rd party/vendor

• Work setup: Hybrid with dedicated full office hours

**Lead/Senior**

-   Lead the architecture, development, and delivery of scalable, high-performance web applications across multiple product lines.
-   Strategize the frontend roadmap in partnership with Product, Design, and Engineering leadership — defining standards, tooling choices, and long-term technical direction.
-   Authorize technical decisions on frontend architecture, component system design, state management patterns, and build infrastructure.
-   Synergize efforts across frontend, backend, design, and QA teams to ensure seamless, end-to-end user experiences.
-   Negotiate trade-offs between design fidelity, performance, accessibility, and delivery timelines, providing clear recommendations to stakeholders.
-   Lead code reviews, set engineering standards, and drive adoption of best practices across the frontend engineering team.
-   Evaluate emerging frontend technologies and frameworks; recommend adoption where they meaningfully improve quality, performance, or developer experience.
-   Formulate and enforce frontend performance budgets, accessibility standards, and cross-browser compatibility requirements.
-   Lead the strategy for dependency management, package upgrades, security patches, and shared library maintenance.
-   Mentor and grow mid and junior engineers through structured feedback, pairing, and technical guidance.
-   Plan and control frontend delivery milestones, proactively surfacing risks and coordinating resolution across teams.

**Mid/Junior**

-   Plan and develop UI components and features by translating designs and wireframes into clean, maintainable, and reusable code.
-   Control the quality of your own work through thorough testing, debugging, and adherence to team coding standards.
-   Evaluate and implement responsive, cross-browser compatible layouts across desktop, tablet, and mobile breakpoints.
-   Formulate and document component-level solutions that align with the team's frontend architecture and design system.
-   Collaborate closely with Product Managers, Designers, Backend Engineers, and QA to deliver cohesive user experiences.
-   Recommend improvements to code quality, component reusability, or development tooling based on day-to-day experience.
-   Participate in code reviews, incorporating feedback constructively to improve personal and team output.
-   Plan and execute frontend optimizations for performance, accessibility, and SEO under guidance from senior engineers.
-   Contribute to dependency maintenance tasks including package upgrades and basic compatibility checks.
-   Stay current with frontend trends and evaluate new tools or techniques relevant to the team's work.

## Requirements

**Lead/Senior**

-   7+ years of hands-on experience in frontend engineering, with a demonstrable track record of shipping production-grade web applications at scale.
-   Deep expertise in JavaScript (ES6+), TypeScript, HTML5, and CSS3, with strong understanding of browser internals and rendering performance.
-   Proven mastery of React.js (preferred) or Vue.js / Angular, including advanced patterns such as server-side rendering, code splitting, and micro-frontends.
-   Extensive experience with state management solutions (Redux, Zustand, Pinia, or equivalent) and frontend data-fetching strategies.
-   Strong command of frontend build tooling (Webpack, Vite, Rollup) and CI/CD pipelines for frontend applications.
-   Deep experience with performance optimization — Core Web Vitals, lazy loading, caching strategies, and bundle analysis.
-   Proven ability to design and maintain scalable component libraries and design system integrations.
-   Experience leading dependency governance: package upgrade strategies, compatibility management, and vulnerability remediation.
-   Strong command of testing practices — unit, integration, and end-to-end testing (Jest, Cypress, Playwright, or equivalent).
-   Demonstrated ability to influence technical decisions and communicate clearly with non-technical stakeholders.
-   Experience with RESTful and GraphQL API integration, including error handling and data normalization strategies.
-   Good communication skills in both Bahasa Indonesia and English, written and spoken.

**Mid/Junior**

-   1–4 years of hands-on experience in frontend development, with at least one project delivered in a professional or academic setting.
-   Solid proficiency in JavaScript (ES6+), HTML5, and CSS3, with a good understanding of how browsers render pages.
-   Hands-on experience with React.js, Vue.js, or Angular; familiarity with component-based architecture and props/state patterns.
-   Basic experience with state management libraries (Redux, Zustand, Vuex, or equivalent).
-   Familiarity with RESTful API integration and working with JSON data in frontend applications.
-   Experience using Git and collaborative development workflows (branching, pull requests, code reviews).
-   Understanding of responsive design principles and CSS frameworks (e.g., Tailwind CSS, Bootstrap, or similar).
-   Familiarity with frontend build tools and package managers (Webpack, Vite, npm, or yarn).
-   Basic awareness of web performance principles and browser developer tools for debugging.
-   Understanding of package management, including installing dependencies and identifying outdated or vulnerable packages.
-   Strong problem-solving mindset with attention to detail and willingness to learn.
-   Good communication skills in both Bahasa Indonesia and English, written and spoken.

## Apply

[Apply at Techconnect.id](https://apply.workable.com/techconnect/j/33D1980317/apply)

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