Senior Software Engineer -UI

About Credit Saison India

Established in 2019, CS India is one of the country’s fastest growing Non-Bank Financial Company (NBFC) lenders, with verticals in wholesale, direct lending and tech-enabled partnerships with Non-Bank Financial Companies (NBFCs) and fintechs. Its tech-enabled model coupled with underwriting capability facilitates lending at scale, meeting India’s huge gap for credit, especially with underserved and under penetrated segments of the population.
Credit Saison India is committed to growing as a lender and evolving its offerings in India for the long-term for MSMEs, households, individuals and more. CS India is registered with the Reserve Bank of India (RBI) and has an AAA rating from CRISIL (a subsidiary of S&P Global) and CARE Ratings.
Currently, CS India has a branch network of 45 physical offices, 1.2 million active loans, an AUM of over US$1.5B and an employee base of about 1,000 people.
Credit Saison India (CS India) is part of Saison International, a global financial company with a mission to bring people, partners and technology together, creating resilient and innovative financial solutions for positive impact.

Across its business arms of lending and corporate venture capital, Saison International is committed to being a transformative partner in creating opportunities and enabling the dreams of people.
Based in Singapore, over 1,000 employees work across Saison’s global operations spanning Singapore, India, Indonesia, Thailand, Vietnam, Mexico, Brazil.

Saison International is the international headquarters (IHQ) of Credit Saison Company Limited, founded in 1951 and one of Japan’s largest lending conglomerates with over 70 years of history and listed on the Tokyo Stock Exchange. The Company has evolved from a credit-card issuer to a diversified financial services provider across payments, leasing, finance, real estate and entertainment.

Job Title: Senior Frontend Engineer (Architecture & Performance)
Location: Bengaluru, Karnataka Experience Level: 5+ Years
Job Summary
We are looking for an experienced and passionate Senior Frontend Engineer to join our dynamic team in Bengaluru. In this role, you will lead the design and development of our next-generation, scalable web applications. This position requires a deep understanding of modern frontend architecture, including micro-frontends, server-side rendering, and advanced performance optimization. You will play a critical role in shaping the technical direction of our SaaS products and ensuring we deliver a world-class user experience.

Key Responsibilities
Design, develop, and maintain high-performance, scalable frontend applications using React and Next.js.
Develop and implement responsive, scalable, and performant user interfaces using React, Next.js, HTML5, CSS3, and JavaScript (ES6+)
Perform thorough testing and debugging (unit, integration, and E2E) to ensure reliability and usability
Stay current with evolving front-end technologies and bring improvements into the team’s workflow
Lead the architectural design and implementation of our micro-frontend strategy to enable independent team deployments and improve scalability.
Architect and manage complex application state using libraries like Redux or Zustand, ensuring predictability and maintainability.
Optimize application performance for Core Web Vitals (LCP, FID, CLS) to ensure a fast and smooth user experience for all our users.
Configure and maintain our frontend build pipeline using Webpack and Babel to streamline development and optimize production bundles.
Champion best practices in code quality, testing, and maintainability using Advanced TypeScript.
Collaborate closely with product managers, designers, and backend engineers to translate requirements into well-engineered technical solutions.

Required Skills & Qualifications
5+ years of professional experience in frontend development, with a proven track record of architecting and building complex applications.
Strong expertise in React.js and Next.js, with a proven track record of building performant, scalable apps
Solid knowledge of JavaScript (ES6+), HTML5, CSS3, and responsive/mobile-first design principles
Familiarity with state management (e.g., Redux, Zustand, or Context API)
Experience with web performance optimization techniques (code-splitting, caching, lazy loading)
Expertise in React, Next.js, and the modern JavaScript ecosystem.
Proven experience designing and implementing micro-frontend architectures.
Deep understanding of scalable state management solutions (Redux, Zustand).
Strong proficiency in TypeScript in a large-scale application context.
Hands-on experience with build tools like Webpack and transpilers like Babel.
Demonstrable experience optimizing for Core Web Vitals and overall frontend performance.
Solid understanding of SaaS product development cycles and environments.
Proficiency with modern CSS frameworks, particularly TailwindCSS, and UI component libraries.

Bonus Points
Experience with CI/CD pipelines for frontend applications.
Experience with CSS preprocessors (Sass, Less) or CSS-in-JS (Tailwind CSS
Familiarity with build tools and bundlers (Webpack, Vite, Turbopack)
Understanding of design systems and component-driven development (Storybook, ShadCN, Radix)
Knowledge of accessibility best practices (WCAG/ARIA)
Proficiency with testing frameworks like Jest, Cypress, or React Testing Library. )
Experience with cloud platforms (AWS, GCP, Azure).