Principal Architect - Performance Engineering

About Snapmint

Founded by IIT Bombay alumni (Nalin Agrawal, Anil Gelra, Abhineet Sawa), Snapmint is building India's most loved payment brand. We pioneered Pay in 3 through UPI and are also home to India's leading 0% EMI e-commerce app — giving millions of Indians the freedom to shop now and pay in monthly instalments, with noextra cost and no credit card required.Today, Snapmint has crossed 50M+ app downloads and is the preferred payment partner for 2,000+ leadingconsumer brands, including Zepto, ixigo, Adani, District Store, Titan and many more. We're on a mission to makefair, transparent credit accessible to Young India - and make payments simple, enjoyable and worry-free.Headquartered in Mumbai, with offices across major metros including Bengaluru, Gurugram, Delhi andJaipur, we're building at the intersection of commerce, credit, technology and culture. If you want to work on aproduct used by millions, build a brand people genuinely love, and help redefine how the next generation of Indiapays and spends you'll fit right in.Come build Snapmint and help us change how India pays.

The Role

We are looking for a highly skilled Principal Architect – Performance Engineering to drive performance engineering initiatives across the application, database, infrastructure, and network layers. The role requires deep expertise in diagnosing bottlenecks, optimizing system performance, and building scalable architectures capable of supporting high transaction volumes and rapid business growth.This is not a purely advisory architecture role. You will be expected to lead and, where required, independently execute performance improvements end-to-end.

Role Details

• Role Title: Principal Engineer / Architect – Performance Engineering
• Department: Technology
• Employment Type: Full-time
• Experience: 10-15 Years
• Location: Gurugram
• Working Model: Work from Office – 5 Days per Week

What You Own

Performance Engineering

• Own end-to-end performance of critical systems across latency, throughput, concurrency, scalability,and resource utilization.
• Diagnose complex performance bottlenecks using profiling, benchmarking, load testing, distributedtracing, and system-level analysis.
• Identify performance issues across application code, runtime, databases, network, and infrastructure,and drive them to resolution.
• Establish performance engineering practices covering capacity planning, performance testing,profiling, and production optimization.
• Partner with engineering teams to design systems that scale predictably under increasing load.

Infrastructure, Database & Network Optimization

• Optimize compute, memory, storage, networking, and cloud infrastructure for performance, reliability, and cost efficiency.
• Tune PostgreSQL, MySQL, Redis, and other data systems through query optimization, indexing, schema design, caching, connection management, and capacity planning.
• Analyse network behaviour including DNS, TCP/IP, HTTP, TLS, connection pooling, load balancing, routing, and payload optimization.
• Investigate production incidents and perform deep root-cause analysis across the full technology stack.
• Build and improve observability required to understand system behaviour and proactively identify performance degradation.

Infrastructure & Operational Excellence Architecture & Technical Leadership

• Define architectural patterns and engineering standards for high-performance distributed systems.
• Identify systemic performance problems across services and drive cross-team remediation.
• Work closely with Backend, Platform, DevOps, SRE, and Data teams on high-impact performance initiatives.
• Establish measurable performance goals and use data to validate improvements.

Qualifications

• 10+ years of experience in Performance Engineering, Platform Engineering, Backend Engineering, or Solution Architecture.

What You Bring

• Deep expertise in application performance tuning and distributed systems.
• Strong hands-on experience with PostgreSQL, MySQL, Redis, and caching technologies.
• Strong understanding of networking concepts including DNS, connection pooling, compression, load balancing, TCP/IP, and HTTP protocols.
• Experience with performance testing and observability tools such as JMeter, k6, Gatling, Prometheus,Grafana, Datadog, or similar.
• Experience working with cloud platforms such as AWS, GCP, or Azure.
• Strong analytical and troubleshooting skills with a proven track record of solving large-scale performance bottlenecks.

Why Snapmint

• Be Part of a 10X–100X Journey - Help build and scale and be part of a high-growth story.
• Raise the Bar - Learn from people who raise the bar.
• Solve Hard Problems - Work on meaningful, high-impact challenges.
• Own the Outcome - Take ownership and make things happen.
• Move Fast, Build Fast - Turn ideas into action, not backlogs.
• Make Real Impact - See your work reach millions of customers.
• Grow with Snapmint - Take on bigger challenges as we scale.

Explore Snapmint

• Meet The Founders - Nalin Agrawal, Anil Gelra, Abhineet Sawa

• Life at Snapmint - https://www.linkedin.com/company/snapmintfinserv/life

• Behind the Build: The Snapmint Story - https://www.youtube.com/watchv=M3vRIxfa7tc

• Business Case Studies - https://www.snapmintbusiness.com/case-studies