Daniel Covelli

Senior Software Engineer

Senior Software Engineer with 4+ years of experience building web and mobile applications. Experienced in TypeScript, React, React Native, GraphQL, and Node.js. Passionate about creating user-friendly interfaces and scalable backend systems.

Experience

Senior Software Engineer

Groundswell.io

Jun 2021Current

  • Promoted twice from SWE Intern to Software Engineer (September 2021) and from Software Engineer to Senior Software Engineer (September 2023)
  • First engineering hire. Helped grow user base from 0 to ~5k users. Helped grow ARR from $0 to $300k
  • Lead developer on Mobile app, Web app, and Social Web Product
  • Worked across platforms helping build features and deploying software to end users, frameworks include React Native, React, Next.js, Express, GraphQL, Prisma, and PostgreSQL
  • Worked on mobile and web frontend unit and integration tests using React Testing Library, Jest, and Detox
  • Worked on backend unit and integration tests using Chai, Sinon, and Mocha
  • Helped configure and define eslint rules for mobile and web to ensure consistent and readable code
  • Helped review PRs across mobile, backend, and web
  • Helped monitor and isolate production issues using DataDog
  • Worked closely with CTO, CEO, and R&D leadership to identify and address process and product optimizations
  • Helped create first company microservices leveraging GraphQL, HTTP, gRPC, Golang and PostgreSQL
  • Created UML sequence diagrams describing data and call flows between server, client, and third-party fintech APIs

Software Engineering Intern

Mushroom.gg

Jan 2021Mar 2021

  • Helped early stage social media start-up build out product features and grow daily active user base
  • Leveraged React to develop responsive front-end components, implemented GraphQL queries and mutations with Apollo caching, updated AWS hosted PostgreSQL database schema via data migrations
  • Collaborated closely with product, engineering, and design teams to iterate on system design and product features

Web Development Intern

Stealth

Mar 2020Aug 2020

  • Designed reference-based data models and set up REST API using Axios, Express, and MongoDB
  • Outsourced image storage to Cloudinary API; used bcrypt to hash passwords and JWT to generate login tokens for users
  • Collaborated with TPM and PM to design database architecture, plan development strategy, and advise founders

Course Staff Intern

Berkeley EECS Department (CS88)

Jan 2020Mar 2020

  • Helped freshman Data Science students learn Python fundamentals including abstraction, data structures, algorithmic thinking, and object oriented programming; other topics included SQL and machine learning

Web Automation Intern

Stealth

Jan 2019Aug 2019

  • Used Selenium with Python to screen 2,000+ clients, investors, and engineers for business development efforts; designed an algorithm to parse subject LinkedIn and Crunchbase profile pages

UI/UX Design Consultant

Blockchain at Berkeley

Aug 2018May 2019

  • Designed several 50+ page UI/UX projects for consulting department
  • Helped lead design overhaul for clubs website and volunteered to interview candidates for Spring 2019 recruitment

Education

Interdisciplinary Studies (Data Science and Political Science)

University of California, Berkeley

Fall 2018Fall 2020

Thesis: YouTube and Political Polarization with Dr. Shreeharsh Kelkar. Cum. GPA: 3.402, Major GPA: 3.52, Transfer GPA: 3.8

  • CS 88 | Computational Structures
  • CS 100 | Principles and Techniques of Data Science
  • Data 8x | Foundations of Data Science
  • STAT 89A | Linear Algebra for Data Science
  • IAS 118 | Applied Econometrics
  • CS 61B | Data Structures
  • CS 169 | Software Engineering
  • CS 198 | Cubstart: Intro to iOS

Skills

Fluent

TypeScriptNode.jsReactReact NativeGraphQLApollogitYarnExpressPostgreSQLNext.jsPrisma

Proficient

PythonDockerGoyamlNetlifyHerokuSQLJavaSeleniumCapybaraRegExPandasRuby on Rails

Intermediate

WebSocketsReduxSwiftPyTorchpathlibd3SKLearnSciPyPlotly DashMatplotlibRAWS

Services/APIs

Apple Developer ConsoleGoogle Play StorePlaidTwilioGiphy APIGithub Rest APIYouTube Data API

Projects

Relia - Migraine Tracking App

A mobile application for tracking migraines and identifying triggers.

TypeScriptReact NativeGraphQLApolloPostgreSQLDocker

NftyFeed - Invitation-Only Social Network for Digital Art

A social network platform for digital artists to share and discover NFT artwork.

TypeScriptReactGraphQLApolloPostgreSQLDocker

Dev Connector - Social Network for Developers

A social networking platform for developers to connect and collaborate.

MongoDBExpressReact-ReduxNode.js

Shopping List App

A full-stack shopping list application.

MongoDBExpressReact-ReduxNode.js

COVID-19 Mortality Research Paper

Data analysis research on COVID-19 mortality rates.

PythonPandasSeaborn

LinkedIn Web Scraper

An optimized web scraper for LinkedIn profiles.

PythonXpathSelenium

© 2026 Daniel Covelli

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