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Rahul Saini

@rahul_saini85420

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Software Engineer with 5 years of experience in the FinTech industry, specializing in Backend Development Technologies.

India

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What I'm looking for

I’m looking for a backend engineering role in FinTech where I can build scalable microservices for wealth and investment products, own system design end-to-end, and use data-driven approaches to improve portfolio outcomes and user decisions.

I'm a Backend Engineer with 5 years of experience building scalable fintech products at scale. I specialize in designing and developing high-performance systems, including Portfolio Rebalancing algorithms, Capital Gains Tax Optimization during Rebalancing, Mutual Fund Recommendation Engines, Mutual Fund Suitability assessment based on users' risk appetite, and Wealth Management platforms. I have strong expertise in REST API design, distributed systems, and product ownership, with a track record of delivering data-driven investment solutions used in real-world financial workflows. I'm passionate about building high-impact products that reach millions of users.

Experience

Work history, roles, and key accomplishments

Current

SDE 3 - Backend Engineer

Current

ET Money

Apr 2025 - Present (1 year 2 months)

Architected and built ET Money’s Mutual Fund Ranking Engine, powering fund rankings across key metrics; implemented tax-optimized portfolio rebalancing, improving tax-adjusted returns by ~2% CAGR; designed a proprietary signal using YG, YD, 52-week lows, and EMAs to optimize equity allocation; and built a personalized recommendation engine for risk-based mutual fund selection.

Java SQL Microservices Architecture Kafka System Design Mutual Fund Ranking Recommendation Systems Portfolio Management Portfolio Strategy

SDE 2 - Backend Engineer

ET Money

Apr 2023 - Mar 2025 (1 year 11 months)

Architected and built ET Money Genius Portfolio Advisory, identifying underperforming SIP and lump sum investments and recommending better-performing funds or Genius portfolios; architected and developed portfolio benchmarking against NIFTY indices and Genius portfolios, leveraging Redis Sorted Sets for scalable ranking based on XIRR, volatility, and capital gains.

Java SQL Microservices Architecture Redis Sorted Sets Benchmarking Portfolio Ranking

SDE 1 - Backend Engineer

ET Money

Sep 2021 - Mar 2023 (1 year 6 months)

Architected and built a real-time data synchronization system on ET Money’s event-driven architecture, enabling seamless user data refresh and self-service sync workflows for Operations and Support teams; implemented market-aware reminder workflows to notify users of actionable opportunities on the next trading day, improving engagement and timely decision-making.

Java SQL Event Driven Architecture Workflow Automation Backend

SDE Internship

Frugal Testing

Jan 2020 - Jul 2020 (6 months)

Automated dynamic value correlation in JMeter scripts, eliminating 90% of manual work. Developed UI pages for the company product, improving user experience.

JMeter Scripting Test Automation Dynamic Value Correlation UI Development User Experience (UX)