Arunav Malhotra

CTO

New Delhi, Delhi, India6 yrs 4 mos experience

Highly Stable

Key Highlights

Led migration to stateless architecture achieving 99.9% uptime.
Built self-healing infrastructure reducing manual recovery by 80%.
Mentored engineers improving code ownership and release cadence.

Stackforce AI infers this person is a SaaS Backend Engineer with expertise in scalable architecture and API integrations.

Contact

arunavmalhotra1998@gmail.com LinkedIn

Skills

Core Skills

Backend DevelopmentMicroservicesScalability & High AvailabilityPerformance OptimizationApi DevelopmentProduct DevelopmentAuthentication SystemsTelephony Systems

Other Skills

Event-Driven SystemsPerformance MonitoringDebugging & Production SupportRedisFraud DetectionJSONPHPSystems DesignDistributed SystemsStateless ArchitectureDatabase DesignEngineering LeadershipContinuous Integration and Continuous Delivery (CI/CD)Architecture ReviewSubscription & Billing Systems

About

Lead Software Development Engineer | Tech Enthusiast | Problem Solver With a passion for building scalable, user-focused solutions, I bring years of experience in software engineering, specializing in frontend development, API integrations, and scalable architecture. As a Lead SDE at SaaS Labs, I’ve been at the forefront of projects like JustCall, EasyCalendar, and other impactful products, driving their strategic integrations and growth with Full Stack environment. 💡 What Drives Me: I thrive on challenges—whether it’s optimizing production releases, implementing secure authentication flows, or enhancing user experiences through seamless feature delivery. From building robust NestJS services to refining test strategies with tools like Vitest and Jest, my focus is on delivering clean, efficient, and maintainable code. ✨ What I’m Passionate About: I’m deeply invested in collaborative projects, mentoring engineers, and constantly learning. Whether it’s refining time management during high-stakes releases or exploring cutting-edge technologies like Remix, NestJS, and scalable infrastructure, I aim to create solutions that truly make an impact. 💬 Let’s Connect: I’m always eager to discuss engineering, leadership, or the latest tech trends. Let’s exchange ideas and build innovative, scalable solutions together!

Experience

6 yrs 4 mos

Total Experience

6 yrs 4 mos

Average Tenure

6 yrs 4 mos

Current Experience

Saas labs

3 roles

Lead Software Development Engineer

Promoted

Oct 2023 – Present · 2 yrs 7 mos

🚀 Led core engineering across Signup, Billing, Authentication, Scheduler, Central services, and Growth systems, improving reliability and scale readiness.
🏗️ Migrated JustCall to a stateless architecture, enabling horizontal scaling across multiple pods and achieving 99.9% uptime.
⚙️ Built self-healing infrastructure, reducing manual recovery effort by 80% and significantly improving MTTR.
🔁 Directed large-scale PHP → NestJS migration across 50+ modules and 18+ database tables, including a full scheduler revamp handling millions of calls.
🔗 Architected shared DTO contracts between backend and frontend, reducing integration defects by ~35% and accelerating delivery.
🧪 Established CI/CD standards via GitHub Actions and introduced engineering-wide Clean Code practices to improve maintainability and review quality.
🔐 Owned authentication and signup systems, implementing fraud detection, OTP verification, and bad-fit account filtering to protect acquisition funnels.
📈 Partnered with Product, Marketing, RevOps, and Data teams to ship PLG experiments, pricing updates, onboarding revamps, and promotional infrastructure.
👥 Mentored engineers across teams, improving code ownership, release cadence, and architectural decision-making.

Backend DevelopmentEvent-Driven SystemsMicroservices

Senior Software Development Engineer

Promoted

Apr 2022 – Oct 2023 · 1 yr 6 mos

📈 Built and owned the referral system across cancellations, subscriptions, and signups, contributing to churn reduction and retention improvement.
🔐 Designed and launched secure signup & onboarding flows including OTP verification, supporting 10K+ monthly signups.
💳 Delivered billing & pricing infrastructure, including prorated invoices, Stripe 3D Secure, tax invoicing, and addon pricing systems.
📊 Led PLG initiatives across demo page experiments, cancellation flows, ZoomInfo integration, and trial optimization.
🗂️ Took full ownership of EasyCalendar, managing billing, customizations, integrations, and enterprise onboarding.
🔁 Owned Marketplace automation, driving recipe automation and billing sync improvements.
🧩 Managed React-based onboarding flows and coordinated backend API integrations.
🤝 Collaborated closely with Product and Marketing for GTM launches and conversion improvements.
📝 Introduced better documentation practices and shared development guides to improve team clarity and onboarding.

RedisFraud DetectionAPI DevelopmentBackend Development

Software Developer

Jan 2020 – Apr 2022 · 2 yrs 3 mos

🏗️ Owned Marketplace, Signup, Demo Page, and onboarding modules during early JustCall PLG growth phase.
📞 Implemented Scheduled Calls and Click-to-Call systems handling 100K+ monthly calls with improved reliability.
💳 Simplified billing infrastructure, reducing onboarding time for new engineers by ~40%.
🔐 Contributed to early fraud detection and XSS security improvements.
📈 Built upgrade nudges, demo flows, and landing integrations to support product-led acquisition.
🧠 Worked cross-functionally with Product and Marketing to support GTM launches and feature rollouts.

API DevelopmentTelephony SystemsBackend Development