Shashwat Mahendra

As a backend developer, I am driven by a strong sense of accountability and diligence, always striving for mastery in my craft. My highly logical and pragmatic approach ensures I consistently deliver robust and efficient solutions, fueled by an ambition to tackle complex challenges.

Experience

P

Backend Developer

Plugseal · Jun 2025 – Present

Not yet confirmed

• Architected 20+ scalable RESTful APIs using Node.js, Express.js, and PostgreSQL, supporting authentication, assessments, analytics, and user workflows for 1K+ monthly active users.
• Optimized PostgreSQL queries and indexing, reducing average API latency by ~35% and improving response times under concurrent load.
• Implemented JWT-based authentication and role-based access control (RBAC) for 3 distinct user roles, securing access across 100% of protected endpoints.
• Integrated Razorpay with secure webhook verification and automated invoices, processing 500+ transactions/month with <1% payment failure rate.
• Enabled real-time video/audio consultations using Twilio, supporting 100+ concurrent sessions with managed room lifecycle and participant controls.
• Deployed AWS S3 presigned uploads, enabling secure handling of 5K+ documents/media files while eliminating direct server file exposure.
• Automated CI/CD pipelines with GitHub Actions and Docker, cutting deployment time by 60%.

Back End Developer

Plugseal Innovation Services Private Limited · Jun 2025 – Present

Not yet confirmed

• • Own backend architecture for a telemedicine platform handling secure video consultations, payments, and wellness tracking from API design through production reliability.
• • Architected 20+ RESTful APIs (Node.js, Express, PostgreSQL) powering authentication, assessments, and analytics for 1,000+ monthly active users
• • Implemented JWT-based authentication and role-based access control (RBAC) across 3 distinct user roles, securing 100% of protected endpoints
• • Integrated Razorpay with secure webhook verification and automated invoicing, processing 500+ transactions/month at under a 1% payment failure rate.
• • Optimised PostgreSQL queries and indexing, reducing average API latency by ~35% and improving response times under concurrent load.
• • Enabled real-time video/audio consultations using Twilio, supporting 100+ concurrent sessions with managed room lifecycle and participant controls.
• • Automated CI/CD pipelines with GitHub Actions and Docker, cutting deployment time by 60%.

K

Full Stack Developer

KALVIUM · Jan 2023 – May 2025

Not yet confirmed

• Led migration of a legacy PHP platform to React.js + Node.js, improving page load times by ~40% and enhancing long-term maintainability.
• Built a MERN-based attendance system with real-time updates, used by 300+ active users across multiple cohorts.
• Contributed to QA and regression testing, helping reduce post-release bugs by ~25% across multiple education platforms.
• Prototyped Generative AI features that automated content workflows, reducing manual content creation effort by ~30%.
• Integrated OpenAI API into internal tools, enabling AI-driven content generation used by 50+ internal users.
• Reviewed pull requests and enforced coding standards, improving deployment readiness and reducing rollback incidents.

Full Stack Developer

Kalvium · Jan 2023 – May 2025

Not yet confirmed

• • Led migration of a legacy PHP platform to React + Node.js, improving page load times by ~40%.
• • Built a MERN-based attendance system with real-time updates, used by 300+ active users.
• • Contributed to QA and regression testing, helping reduce post-release bugs by ~25%.
• • Prototyped generative AI features that automated content workflows, reducing manual content creation effort by ~30%.
• • OpenAI API integration (50+ users), PR review/coding standards ownership.

What drives their work

The Architect

You build systems that are robust, scalable, and designed for the long term.

Shashwat's superpower

You excel at designing and implementing resilient backend systems that perform efficiently and stand the test of time.

How Shashwat works

You are best suited for teams that value robust system design, long-term maintainability, and continuous technical improvement.