# Eshan Toshniwal > Software Engineer @ Zeta Global | Bachelor of Science in Computer Science @ UC Davis Location: San Francisco Bay Area, United States Profile: https://flows.cv/eshantoshniwal ## Work Experience ### Software Engineer @ Zeta Global Jan 2025 – Present | San Francisco, California, United States ### Software Engineer Intern @ Miles Jan 2024 – Jan 2025 At Miles, I have learned a lot about full-stack engineering, with a strong focus on backend development, data engineering, and infrastructure engineering. ● Spearheaded and built gift card and raffle management tools, reducing processing time from 8 hours to 5 minutes through the automation of 3 internal processes. ● Transformed internal tasks and user management tools, reducing processing and reporting times from 24 hours to 2 minutes by automating 10+ tasks using Jenkins pipelines, Python toolbox and Ruby on Rails. ● Lead the integration with MoEngage software increasing user reachability by 40% and increased app usage and session by 20% finally increasing net revenue by 30%. ● Created and optimized 100+ new data extraction calls for varied purposes across multiple databases and built functionalities integrated with slack and toolbox using SQL, Python and Active Record. ● Worked on the user targeting tools for 10M+ users added 10+ functionalities and tested, implemented and automated 2000+ stylized HTML and CSS emails for marketing campaigns increasing user retention and revenue. ● Took part in multiple bug finding and solving war rooms for varied features and processes increasing app and infra stability by 35%. ● Developed and deployed an auto scalable server using AWS Lamda and Python to create promo codes and happy hours with a rate of 200k calls per minute for 7M+ calls in 2 hours and an average response time of under 100ms for users ultimately boosting DAU, WAU, MAU and app opens by 75%. ● Increased automated unit test coverage from 20% to 70% across multiple backend repositories. ● Added more than 10 new backend API calls and contributed to 50+ API calls for the application. ### Software Engineering Intern @ Miles Jan 2022 – Jan 2024 | Redwood City, California, United States ### Backend Engineering Intern @ Miles Jan 2022 – Jan 2022 | Redwood City, California, United States ### Software Engineer Intern @ Project White Rabbit Jan 2023 – Jan 2023 | Monroe, New Jersey, United States During my tenure at PWR, I gained extensive knowledge in Python, macOS frontend and design, API development, encryption software, unit testing, SendGrid APIs, and AI models. ● Designed 4 database models and implemented user login flows, 6 client side requests, 7 API endpoints. ● Built user authentication with tokens to detect when they’re online and offline, using Fernet cryptography. ● Researched and integrated the Sendgrid API into the product life cycle for 7 automated emails. ● Experimented with and developed an AI based heuristic to suggest closing stale browser tabs. ## Education ### Bachelor of Science - BS in Computer Science University of California, Davis ### ICSE in ISC La Martiniere for Boys, Kolkata ## Contact & Social - LinkedIn: https://linkedin.com/in/eshantoshniwal --- Source: https://flows.cv/eshantoshniwal JSON Resume: https://flows.cv/eshantoshniwal/resume.json Last updated: 2026-04-11