Senior Frontend Engineer (Reactjs)

Sia; Mumbai; On-site; INR 2,800,000 - 4,200,000; Full time

Benefits offered by this job

Leadership development programs

Global training sessions

Job summary

Sia Partners is seeking a Senior Software Engineer (Frontend - ReactJS) for Mumbai to drive front-end development of our AI-powered SaaS solutions. You will collaborate with backend teams and designers to translate UX designs into robust interfaces.

The role emphasizes performance, component quality, and modern tooling, including ReactJS, NextJS, Terraform and cloud deployments on GCP/AWS/Azure. On-site in Mumbai, you will join a global consulting firm with leadership development and ongoing

Qualifications

• 3–6 years of frontend development experience with ReactJS.
• Bachelor’s or Master’s degree in Computer Science or a related field.
• Expertise in ReactJS, NextJS, and Node.js; proficiency with REST and GraphQL APIs.

Responsibilities

• Front-End Development: build and optimize complex UIs with ReactJS.
• Performance Optimization: improve client-side performance and rendering.
• Collaboration: work with backend developers and designers to meet technical needs.
• Code Integrity: write unit tests, automate processes, and conduct code reviews.
• Infrastructure as Code (IaC): use Terraform and Helm to manage cloud infra.
• Cloud Deployment & CI Management: deploy on GCP/AWS/Azure and manage CI processes.

Skills

ReactJS

NextJS

Node.js

REST APIs

GraphQL

Git

CI/CD

Figma

Accessibility

Isomorphic React

Terraform

Helm

GCP

AWS

Azure

Micro-frontends

ECMAScript

Education

Bachelor’s/ Master’s degree in Computer Science or related field

Tools

Terraform

Helm

GCP

AWS

Azure

Git

CI/CD

Figma

Job description

Sia Partners is a next-generation global management consulting firm, founded in 1999 and headquartered in Paris, France. The firm is recognised for its innovative approach, combining strategy and management consulting with data science and creativity. Sia Partners serves a diverse range of sectors, including energy, banking, healthcare, and technology, providing services to over 1,000 clients worldwide, including many Fortune 500 companies. With a strong emphasis on delivering tangible results and superior value, Sia Partners is committed to helping clients navigate the digital revolution and achieve transformation. The firm operates with a global presence, employing over 3,500 consultants across 48 locations in 20 countries.

Our Mumbai office was launched in 2024, marking an exciting phase for us. We’re building the team here with people who are excited about the opportunity to shape something from the ground up — having the best of 2 worlds- theagility and entrepreneurial energy of a startup with the backing and reach of a global brand.

Job Description

We are looking for a skilled Senior Software Engineer (Frontend - ReactJS),for Mumbai location, to play a key role in our front-end development using ReactJS. This role involves enhancing user interface components and implementing well‑conceived designs into our AI‑powered SaaS solutions. You will collaborate with backend teams and designers to ensure seamless application performance and a high-quality user experience.

Key Responsibilities

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.

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.

Qualifications

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.

Skills:

• Expertise in ReactJS, NextJS, and Node.js.
• Experience with REST and GraphQL APIs.
• 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.

Additional Information

What We Offer:

• 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.