Sia

Senior Frontend Engineer (Reactjs)

Job · Full-timeIn OfficeMumbaiEntry level / 0-2 years1 opening

About this role

Sia is hiring for Senior Frontend Engineer (Reactjs) in Mumbai. This opening was published by Sia on their official smartrecruiters careers board on 17 August 2026 and was verified as still open on 17 September 2026. About the role Sia Partners is a next-generation global management consulting…

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Skills you'll use

JavaScriptTypeScriptReactNode.jsAWSAzureGCPGitGraphQLHTMLCSSFigma

What you'll do

Front-End Development: Develop and optimize sophisticated user interfaces using ReactJS. Ensure technical feasibility of UI/UX designs. 
Performance Optimization: Enhance application performance on the client side by implementing state management solutions and optimizing component rendering. 
Cross-Browser Compatibility: Ensure that applications perform consistently across different browsers and platforms. 
Collaboration: Work closely with backend developers and web designers to meet technical and consumer needs. 
Code Integrity: Maintain and improve code quality through writing unit tests, automation, and performing code reviews. 
Infrastructure as Code (IaC): Utilize Terraform and Helm to manage cloud infrastructure, ensuring scalable and efficient deployment environments. 
Cloud Deployment & CI Management: Work with GCP / AWS / Azure for deploying and managing applications in the cloud. Oversee continuous software integration processes including tests writing and artifacts building. 
Education: Bachelor’s/master's degree in computer science, Software Engineering, or a related field. 
Experience: 3-6 years of experience in frontend development, with significant expertise in ReactJS. 
Expertise in ReactJS, NextJS, and Node.js.

Who can apply

Expertise in ReactJS, NextJS, and Node.js. 
Experience with REST and GraphQL APIs. 
Proficient in JavaScript, TypeScript, and HTML/CSS. 
Familiar with Git, CI/CD, and Figma. 
Strong knowledge of micro-frontends, accessibility standards, and APM tools. 
Familiar with newer specifications of ECMAScript. 
Knowledge of isomorphic React is a plus. 
Infrastructure as Code (IaC) skills with Terraform and Helm for efficient cloud infrastructure management. 
Hands-on experience in deploying and managing applications using GCP, AWS, or Azure. 
Ability to understand business requirements and translate them into technical requirements.

Perks & benefits

Opportunity to lead cutting-edge AI projects in a global consulting environment. Leadership development programs and training sessions at our global centers. A dynamic and collaborative team environment with diverse projects. Position based in Mumbai (onsite)Sia is an equal opportunity employer. All aspects of employment, including hiring, promotion, remuneration, or discipline, are based solely on performance, competence, conduct, or business needs. 