RAHUL GUPTA

Senior Backend Engineer

+91 7021091055

Mumbai, India

SKILLS

Node.js · Python · REST APIs · AWS · GCP · Docker · CI/CD · DevOps · PostgreSQL · MongoDB · Auth0 · API Development · Webhooks · System Monitoring · Go · PHP · React.js · Next.js · Vue · Shell Script · Machine Learning · Artificial intelligence · Tensorflow

SUMMARY

Senior Backend Engineer with 5+ years across backend systems, DevOps, and financial-market automation. Currently at QuantDirection building high-availability auto-trading pipelines, APIs, CI/CD, and backend infrastructure. Strong in Node.js, Python, REST APIs, Docker, AWS, GCP, PostgreSQL, MongoDB, monitoring, and secure auth.

EXPERIENCE

QuantDirection (via Cloudstaff LLP)Jan 2025 - Present

Senior Software EngineerCalifornia, United States · Remote

Built and maintained backend infrastructure for high-availability auto-trading systems with strong focus on reliability and production stability.
Designed and implemented auto-trading pipelines using webhooks, APIs, and third-party integrations after infrastructure was stabilized.
Built CI/CD pipelines from scratch, enabling reliable and rapid deployments where none previously existed.
Set up centralized logging and monitoring for full visibility into production trading operations.
Resolved existing bugs and refactored legacy backend code, improving maintainability and laying the foundation for scalable development.
Upgraded core projects and dependencies, reducing technical debt and improving system performance and security.
Technologies: Node.js, Python, Docker, CI/CD, Webhooks, Cloud Infrastructure, System Monitoring.

Nexsales Solutions Pvt LtdOct 2022 - Jan 2025

Software Engineer → Senior Software EngineerMumbai, India

Built and maintained scalable backend services and REST APIs for lead-generation products used by thousands of users.
Implemented single OAuth via Auth0 across all products, eliminating repeated logins and reducing sign-up drop-offs by 20% while cutting security issues by 30%.
Managed CI/CD pipelines on GCP and used AWS for scalable cloud solutions.
Revitalized a JavaScript scraping tool increasing speed by 40%; automated keyword scraping via shell scripts.
Collaborated with architects on scalable platform design, production debugging, and system stability.
Technologies: Node.js, Python, Docker, Next.js, React.js, Vue.js, PostgreSQL, GCP, AWS, Auth0, DevOps.

Saryu Business SolutionsJan 2021 - Oct 2022

Full Stack Web DeveloperMumbai, India

Led the development of 6+ full-stack web applications using PHP and MySQL, collaborating closely with designers and clients to boost user engagement by up to 25%.
Built a static site generator with custom templates to productize static website delivery, cutting development cost and time by 40% across projects.
Technologies: Node.js, Python, PHP, MySQL.

EDUCATION

M.Sc. Computer Science(K.C College)2020 – 2022

B.Sc. Information Technology(Hinduja College)2017 – 2020