RAHUL GUPTA

Senior Backend Engineer

+91 7021091055

Mumbai, India

SKILLS

Node.js · Python · REST APIs · AWS · GCP · Docker · CI/CD · DevOps · PostgreSQL · MongoDB · Auth0 · Webhooks · System Monitoring · Go · PHP · React.js · Next.js · Vue · Shell Script · Codex · Claude · AI-assisted Delivery · Agent Orchestration · Git Worktrees · Loki · Linux

SUMMARY

Software engineer with 5+ years of experience building and operating production systems. Turns ambiguous requirements into deployed software across applications, infrastructure, and quantitative systems. Uses Codex and Claude for implementation and review while owning architecture, validation, and production outcomes.

EXPERIENCE

QuantDirection (via Cloudstaff LLP)Jan 2025 - Present

Senior Software EngineerCalifornia, United States · Remote

Established production infrastructure from the ground up: modernized legacy code, built CI/CD pipelines, and set up Loki monitoring and system integrations.
Led AI-assisted delivery with Codex and Claude across isolated Git worktrees, coordinating implementation, independent review, and testing while owning architecture and release decisions.
Deployed Hermes on AWS EC2 and integrated monitoring, ticketing, and documentation systems, giving the team one place to access operational tools and information.
Built auto-trading pipelines with APIs and webhooks; evaluated quantitative workflows using reproducible data, controlled backtests, risk metrics, and deployment parity checks.
Diagnosed production pipeline failures through Loki logs and payload tracing; improved live and research dashboards for mobile usability, accessibility, and operational risk visibility.

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