Senior Software Engineer - 1 (Frontend)

The CoinDCX Journey: Building the Future of Finance At CoinDCX, our mission is clear — to make crypto and blockchain accessible to every Indian and enable them to participate in the future of finance.

As India’s first crypto unicorn valued at $2.45B, we are reshaping the financial ecosystem by building safe, transparent, and scalable products that power adoption at scale.

We believe that change starts together. It begins with bold ideas, relentless execution, and people who want to build what’s next.

If you’re driven by purpose and thrive in environments where your work defines the next chapter of an industry, you’ll feel right at home here.About the Role

This isn’t a typical Software Engineering role.

As a Senior Software Engineer , you will be at the forefront of building highly performant, secure, and scalable consumer-facing applications that power one of India’s largest crypto platforms. Your work will directly impact millions of users and help simplify access to Web3 and digital assets.

You’ll collaborate closely with Product, Design, and Engineering teams to turn complex ideas into intuitive, high-quality user experiences while setting strong engineering standards across performance, security, and reliability.

What You’ll Do: Design, build, and maintain large-scale consumer-facing applications that are performant, secure, and user-centric

Work closely with Product and Design teams to translate concepts and requirements into high-quality user experiences

Build POCs to evaluate new product directions, technologies, and architectural choices

Create reusable frameworks, abstractions, and components that improve developer productivity and consistency

Continuously optimize application performance, reliability, and responsiveness across devices

• Measure, analyze, and improve application performance metrics to deliver smooth, high-quality user experiences
• Ensure brand consistency and high visual standards across all user-facing surfaces
• Collaborate with and mentor junior engineers through code reviews, technical discussions, and best practices
• Clearly communicate complex technical solutions to both technical and non-technical stakeholders

What We’re Looking For: 3+ years of hands-on experience designing and building large-scale consumer-facing applications

Strong proficiency in JavaScript and modern frameworks such as React or Angular Experience with Next.js or similar meta-frameworks is a strong plus, but not exclusive

Deep understanding of performance optimization, profiling, and monitoring techniques for web applications

Strong knowledge of CSS and JavaScript animation techniques , with an emphasis on smooth rendering and maintaining high frame rates

Solid understanding of Web and Information Security concepts including CORS, CSP, CSRF, XSS, and related concerns

• Experience working in agile, high-growth environments with cross-functional teams
• Ability to design clean abstractions and write maintainable, high-quality code
• Strong problem-solving skills with a product-first mindset

You’ll Excel in This Role If You: Are deeply curious about Web3, VDA, and emerging technologies , and actively stay ahead of the curve

Take ownership and accountability, treating the product and platform as your own

Thrive in fast-paced environments and adapt quickly to change

• Believe in a “We over Me” mindset and actively contribute to team growth and culture
• Enjoy pushing boundaries, experimenting, and building innovative solutions
• Are driven by impact, excellence, and delivering tangible results

You’ll Know You’re Winning When:

• Your features consistently ship with high quality, performance, and reliability
• Application performance metrics and user experience measurably improve
• Your abstractions and frameworks are adopted across teams
• Cross-functional partners trust your technical judgment and execution
• Junior engineers grow faster through your mentorship and guidance

Hiring Process: Here’s what your journey with us looks like:

• Application Review – We assess skills, alignment, and intent
• Recruiter Connect – A short conversation to understand your background and aspirations
• Technical Round(s) – Deep dive into engineering fundamentals, architecture, and problem-solving
• Assignment / Simulation Round – A take-…