Senior Software Development Engineer - Frontend (Epsilon)

About us Build the future of banking.
Zeta is a next-generation banking technology company providing cloud-native, fully stackable processing and core banking platforms for issuers. With a focus on scalability, compliance, and innovation, Zeta empowers financial institutions to modernize their technology infrastructure and deliver secure, seamless digital banking experiences.

Our impact runs at real-world scale. Today, over 25 million cards are live on Zeta-powered platforms across 7 countries, supported by a passionate team of 1,700+ Zetanauts across India, the US, EMEA, and Asia. Backed by SoftBank Vision Fund, Mastercard, and other reputed strategic investors, we reached a valuation of $2 billion in 2025.

Our focus is on establishing product lines that focus on key outcomes by addressing real customer pain points, modernizing legacy systems, and strengthening core fundamentals. As a result, our systems and platforms support a wide range of banking and payments capabilities, including:
1. Tachyon, our cloud-native banking stack built for population-scale systems
2. Cipher, our unified authentication platform for secure, high-volume banking environments
3. Digital Credit as a Service, enabling banks to launch credit lines on UPI
4. Elena, our intelligent and conversational AI platform for banking
5. Pixel, India’s first digital-native credit card, launched in partnership with HDFC Bank, for whom we also revamped their PayZapp mobile app: Winner of the Celent Model Bank Award for Payments Innovation 2024
6. Sparrow, the leading card experience for non-prime cardholders in the US
…and more across cards, payments, lending, and core banking.

We are an engineering-first organization that values ownership, bias for action, and long-term thinking. Together, we solve some of the hardest problems in banking tech. Our culture is built around trust, collaboration, and creating the conditions for you to drive impact proportionate to your potential. Reinforcing our commitment to creating an inclusive and supportive workplace, we have been consistently recognized as a Great Place to Work.

If you want to build cutting-edge banking tech that enables banks to serve millions reliably, securely, and at a population scale, Zeta is your playground.
If you would like to learn more about how we have grown and evolved over the years, watch our journey here. You can also explore our website and follow us on LinkedIn, Instagram,YouTube, and X.

Zeta is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We encourage applicants from all backgrounds, cultures, and communities to apply and believe that a diverse workforce is key to our success.

Responsibilities:
• Designing and building a first of its kind web ecosystem that drives the business, engages and inspires our community of consumers and enthusiasts, and meets the functional needs of our customers and partners
• Building client side SDKs and widgets for integrations with external web apps.
• Building full stack web apps.
• Rapidly building prototype web user interfaces
• Driving improvements in usability and interactivity of Zeta's web properties
• Implementation of a pixel-perfect UI/UX with a focus on driving customer engagement and creating beautiful and unobtrusive user flows
• Collaborate across engineering, marketing, product management, customer support and design groups

Skills:
• Love programming and you are good at designing the user experience across platforms
• Aware of various product design, functional design and usability factors in designing.
• Well versed with visuals, typography, fonts etc
• Rich experience in native JavaScript / JQuery / Bootstrap
• Well versed with HTML5 & CSS3
• Handle UI integration with REST-APIs
• Pro with cross-browser compatibility

Experience and Qualifications:
• 4.5- 6 years of hands-on experience in frontend development.
• Passion for Programming.
• Strong understanding of data structures and algorithms.
• If you love turning code into creative solutions and enjoy programming challenges.