Rob is available for hire
Hire RobRob Brown
Verified Expert in Engineering
Full-stack Developer
Wailuku, HI, United States
Toptal member since January 31, 2018
Expertise
Bio
Robert is a highly motivated professional with enterprise-level experience. With a combination of excellent communication skills and a laser-like focus, Robert is capable of moving big ideas from design stage to implementation. As a full-stack developer, Robert utilizes a wide breadth of skills and knowledge to tackle the specific problem at hand.
Portfolio
Sprig Technologies, Inc
TypeScript, React, Full-stack Development, PostgreSQL, SDKs, Authorization...
IDEXX Laboratories
React, Python, TypeScript, Amazon DynamoDB, Databricks, Authorization, SpiceDB...
Cline Bot Inc.
React, TypeScript, Node.js, Visual Studio Code (VS Code), Open Source...
Experience
- Full-stack - 10 years
- Software Architecture - 10 years
- Node.js - 8 years
- React - 8 years
- JavaScript - 8 years
- Shopify - 5 years
- Shopify API - 3 years
- CTO - 1 year
Preferred Environment
Visual Studio, JetBrains IDE, Sublime Text
The most amazing...
...thing I've worked on is a real-time weather aggregation platform, combining historical and forecasted hourly data for a predictive analysis.
Work Experience
Full-stack Developer
2025 - PRESENT
Sprig Technologies, Inc
- Developed and deployed new features for the dashboard.
- Developed new features for the client SDK and deployed them on a regular basis.
- Worked with the product team to groom, implement, and release stories.
Technologies: TypeScript, React, Full-stack Development, PostgreSQL, SDKs, Authorization, Single Sign-on (SSO), gRPC, Reactive Programming, Multitenancy, Role-based Access Control (RBAC)
Senior Application Developer | Overlook R&D
2024 - PRESENT
IDEXX Laboratories
- Developed cutting-edge R&D initiatives in a fast-paced, high-tech environment.
- Delivered regular product launches in an intertwined microservice architecture environment.
- Worked with medical and product teams to come up with requirements.
Technologies: React, Python, TypeScript, Amazon DynamoDB, Databricks, Authorization, SpiceDB, Single Sign-on (SSO), Reactive Programming, Role-based Access Control (RBAC)
Front-end Developer
2025 - 2025
Cline Bot Inc.
- Wrote features and fixed critical bugs that led to 900,000 VS Marketplace downloads and 33.8k GitHub stars.
- Collaborated directly with the founder during the hypergrowth stage.
- Oversaw the implementation of i18n/l10n for languages including Arabic, Mandarin, and Japanese.
Technologies: React, TypeScript, Node.js, Visual Studio Code (VS Code), Open Source, OpenAI API, SendGrid, SDKs, Reactive Programming
Full-stack Developer
2023 - 2024
SumerSports, LLC
- Pitched, designed, and delivered stateless prediction APIs using data science, machine learning, and advanced statistics in Python.
- Consulted on hierarchical data model in Databricks. Evaluated and vetted primary data sources and advised best practices for retrieval.
- Transitioned a team of data scientists from R to Python and implemented numerous best practices for security configuration management (SCM).
Technologies: React, .NET, Python, GraphQL, Markov Chain Monte Carlo (MCMC) Algorithms, Machine Learning, Databricks, Microservices, Databases, Full-stack Development, Web Development, Tailwind CSS, PostgreSQL, SDKs, Authorization, gRPC, Reactive Programming, Role-based Access Control (RBAC), Flyway, ABAC, SCIM
Senior Software Engineer | Telemedicine Consultant R&D
2017 - 2024
IDEXX Laboratories
- Implemented the external customer-facing web interface for a global telemedicine platform.
- Used the .NET Framework, Microsoft SQL Server, Node.js, and AngularJS to write robust APIs and components that scale.
- Advocated for the .NET SignalR hub to deliver real-time messages and updates between applications, which significantly simplified the application logic.
- Conducted extensive UX work in HTML5 and CSS3 by designing and implementing key features and business metrics on a responsive dashboard.
- Worked daily in a team with a geographically distributed US-based team in an Agile environment.
- Focused on messaging within and between various independent components where reliable communication is not guaranteed, and precise timing is critical.
- Migrated an AngularJS SPA to React and Redux, improving performance significantly.
Technologies: AngularJS, Microsoft SQL Server, .NET, Node.js, React, Redux, Software Architecture, Responsive, Live Chat, Angular, React Native, Front-end, Technical Leadership, Bootstrap, SQL, REST APIs, Git, Swagger, Windows, CSS3, Windows PowerShell, Technical Reports, Image Processing, Video Players, Sass, JavaScript 6, Themes, Microsoft, Technical Writing, Microservices, Databases, Agile Software Development, React Redux, SDKs, Single Sign-on (SSO), Reactive Programming, Role-based Access Control (RBAC)
Senior Shopify Developer
2023 - 2023
F Syndicate LLC
- Analyzed Shopify store landing page to increase traffic.
- Created a new landing page design to maximize conversions.
- Implemented best practices for software engineering and source control.
Technologies: Shopify, Shopify Customizations, Search Engine Optimization (SEO), Full-stack, SEO Tools, Themes, Web Development
CTO | Lead Developer
2022 - 2022
Linvest Group LLC
- Served as a CTO of a web-based financial services startup for luxury asset platform implementation.
- Managed a remote core development team. Created tasks, provided guidance, and reviewed progress. Oversaw a team of 6+ consisting of project managers, back-end developers, and UX engineers.
- Worked with the founder and COO to create requirements and manage estimates, including costs and timelines.
Technologies: CTO, Architecture, Full-stack, HTML, JavaScript, Cloud, Stripe, APIs, Node.js, Fintech Consultant, Management, Agile, User Experience (UX), Next.js, Search Engine Optimization (SEO), SEO Tools, Mobile Payments
Developer with Shopify API Experience, Consultant
2022 - 2022
Wake Hong Kong Limited
- Developed a proprietary Shopify integration to interface with embedded IoT devices.
- Worked with the founder to create and define requirements and estimate costs. Provided consulting services to with embedded systems team.
- Coordinated business activities across a span of time zones, including Hong Kong, Hawaii, and Ukraine.
Technologies: Shopify API, Shopify, Software Architecture, Full-stack, Shopify Customizations, Search Engine Optimization (SEO), SEO Tools, Themes, Web Development, Mobile Development
Back-end Developer
2020 - 2022
USRx LLC
- Developed a core skincare eCommerce website serving millions of visitors.
- Worked with the senior developers and eCommerce manager to create estimates.
- Replicated and replaced third-party services with in-house solutions.
Technologies: Shopify API, Shopify, HTML, PHP, JavaScript, CSS, HTML5, Liquid, Shopify Plus, Back-end Architecture, Back-end, Back-end Development, Ajax, Shopify Customizations, React, GraphQL, Streaming, Full-stack, Search Engine Optimization (SEO), SEO Tools, Mobile Payments, Google Analytics
Shopify App Expertise
2021 - 2021
IC Group, Inc.
- Designed a custom private Shopify app to serve customers.
- Worked directly with the CEO to develop and manage requirements.
- Provided documentation and consulting for an in-house development team.
Technologies: Shopify API, Shopify, Software Architecture, User Experience (UX), Full-stack, Shopify Customizations, Search Engine Optimization (SEO), SEO Tools, Themes, Web Development, Mobile Development
Shopify Plugin Developer
2020 - 2020
Solydaria, Inc.
- Developed proprietary Shopify integration to serve exclusive discounts to members.
- Worked directly with the founder to create requirements and tasks.
- Leveraged free cloud services to ensure high availability and lower costs.
Technologies: Shopify, Shopify API, Software Architecture, TypeScript, Full-stack, Search Engine Optimization (SEO), Web Development
Senior Engineer
2020 - 2020
Alma Flowers, LLC
- Developed a Shopify flower delivery website serving the continental US.
- Worked directly with the CEO and lead designer to develop content.
- Worked with the project manager to create and update tasks.
Technologies: Shopify Plus, Shopify, Shopify API, Shopify Design, Search Engine Optimization (SEO), SEO Tools, Themes, Full-stack Development, Web Development, Mobile Development
Google Analytics | Google Tag Manager Expert
2019 - 2019
Boosted
- Reviewed analytics configuration with various stakeholders to understand goals.
- Worked with in-house analytics leader to gain an understanding of existing solutions.
- Provided recommendations for future development of analytics services.
Technologies: Google Analytics, Google Tag Manager, JavaScript, Search Engine Optimization (SEO), SEO Tools, Web Development
Cryptocurrency Articles Writer
2018 - 2018
CoinCentral
- Created and developed cryptocurrency content for a core website.
- Researched up-to-date cryptocurrency market news and linked citations.
- Worked with editors to refine topics and pivot when necessary.
Technologies: Writing & Editing, Ethereum, Blockchain, Cryptocurrency, Technical Writing
Contractor | Telemedicine Consultant R&D
2017 - 2017
IDEXX Laboratories
- Provided vital contributions to the core Telemedicine platform in the realm of AngularJS and Git.
- Used in-depth understanding of AngularJS to write quality components and directives that significantly improved responsiveness.
- Helped design and implement a responsive dashboard for key business metrics.
- Wrote scripts that facilitated the automated deployment that saved QA testers time when used in combination with Jenkins.
- Learned how to write performant and robust business logic using Microsoft SQL Server and .NET Framework.
Technologies: Node.js, .NET, Java, AngularJS, Microsoft Power Automate, Business Services, Bootstrap, Bash, Windows PowerShell, RESTful Microservices, Image Processing, Databases, Agile Software Development, Healthcare
Contractor | Hematology Systems R&D
2016 - 2017
IDEXX Laboratories
- Designed and implemented a RESTful application using Spring Boot, AngularJS, and MySQL.
- Drafted a migration plan for legacy deprecation. Gathered requirements directly from scientists and incorporated feedback iteratively in an Agile ecosystem.
- Implemented multiple access level client-side applications in AngularJS.
- Organized a full migration to AWS EC2 and RDS instances, all within a VPC.
- Used Python to solve ad-hoc problems and demonstrate early stage software proof-of-concepts.
Technologies: Amazon Web Services (AWS), MySQL, Python, AngularJS, Spring, Java, Microsoft Power Automate, Laboratory Information Management System (LIMS), Flask, Hibernate, Java 7, Java 8, MongoDB, Spring Boot, Bash, RESTful Microservices, H2, Microservices, Databases, Agile Software Development, Full-stack Development, Healthcare
Independent Consultant
2016 - 2016
Competitive Energy Services
- Provided software consulting services and extensive domain knowledge to the in-house team.
- Utilized multiple channels to ensure excellent communication and alignment of goals; teleconferenced on a frequent basis.
- Cooperated with the team to facilitate knowledge transfers when necessary.
- Defined critical defects and helped draft new stories and requirements.
- Worked hard to ensure software was ready for alpha production deployment. Successfully reached this goal and released ahead of schedule.
Technologies: CSS, HTML, JavaScript, MySQL, PHP, Business Services, Bootstrap, User Experience (UX), Linux, Databases
Software Engineer
2015 - 2016
Competitive Energy Services
- Served as an application architect and technical lead for in-house software projects written in PHP and JavaScript; used PHP for the core REST API.
- Led the development of the flagship procurement and pricing application.
- Worked with the pricing team to gather the evolving requirements in an Agile environment.
- Implemented features and stayed aware of changing requirements.
- Developed monthly energy usage smoothing and gap-filling algorithm, saving pricing analysts significant time and effort.
- Worked with energy analysts and CEO to automate solar net-excess generation crediting with the goal of forecasting monthly credits for budgeting purposes.
- Maintained multiple Linux instances in four different environments.
- Set up the developer environments with Vagrant including local instances and database connections.
Technologies: CSS, HTML, JavaScript, MySQL, PHP, SQL, Data Visualization, Linux, MongoDB, PHP 7, PHP 5, Databases, Full-stack Development
Data Analyst | Programmer
2014 - 2015
Competitive Energy Services
- Gathered the historical, current, and forecasted meteorological variables for predictive analysis and demand response. Used data to analyze and predict seasonal temperatures and weather patterns.
- Collaborated with the lead software engineer to design new procurement and pricing application using JavaScript, PHP, and MySQL. Focused on creating reusable software components.
- Designed a high-integrity relational database structure in MySQL. Wrote performant views and queries for reporting purposes.
- Designed an expense-reporting system for management in PHP.
- Set up application-level procedures for database migrations between MySQL and Microsoft SQL databases. Facilitated the automated entry of data, passed through the service layer, in order to enforce business rules.
Technologies: CSS, HTML, JavaScript, MySQL, PHP, PHP 7, PHP 5
IT Intern
2014 - 2014
Competitive Energy Services
- Automated monthly supplier payments billing cycle using PHP and MySQL. Ran payment programs on a monthly basis and adjusted conditional business logic through a web interface.
- Wrote PHP scripts to automate analyst and pricing workflows.
- Learned how to implement various Git workflows and when you'd choose one workflow over another.
- Collaborated with a lead software engineer to develop early stages of pricing and procurement software API, and to gain an understanding of the domain and legacy solution.
- Worked with a systems engineer to gain an understanding of network security and maintainable infrastructure, including AWS.
Technologies: CSS, HTML, JavaScript, MySQL, PHP, WebRTC, PHP 5, Microsoft
Experience
NACA Foil Aerodynamics Visualization
A NACA foil visualization able to display aerodynamics using simplified NS equations. Shows a reasonable representation of turbulent/laminar flow for all 99999 4- and 5-digit airfoil codes. Top post on multiple programming forums. Written in WebGL/Three.js.
SVG Outliner
A project that generates SVG outline renditions given an input image able to create image renditions of all sizes. The SVGs can then be size-normalized then converted back to source image format as input for machine learning.
File Uploader
https://github.com/brownrw8/fileUploaderA simple file upload REST API with a minimal AngularJS front-end. Uses the Spring Framework and maintains a clear separation between API and UI. Useful for bulk uploading files, such as high-fidelity medical images, to a remote server.
Private Shopify App
Built a private Shopify app using Node.js as the server-side language. The application facilitated communication between Shopify stores, a mobile application, low-code databases, and various 3rd-party services.
Kahele Maui
https://kahelemaui.net/A Shopify site for luxury handbags made in Maui. This is an example of a small site I did alone, working directly with the client to gather requirements and create a working design. The end result is a compliment to the client's brick-and-mortar store and online presence.
HTML5 WebSockets Chat Server
https://github.com/brownrw8/Simple-Websocket-DemoAn implementation of an HTML5 WebSockets chat server using Express created for a proprietary software tool. I used WebSockets to enable peer-to-peer communication between software clients and facilitate real-time communication.
Education
2009 - 2013
Bachelor of Science Degree in Business Administration in Finance
University of Maine - Orono, ME, USA
Certifications
JANUARY 2018 - PRESENT
Grow with Google Challenge Scholarship
Udacity/Google
DECEMBER 2016 - PRESENT
Machine Learning
Coursera/Stanford
Skills
Libraries/APIs
Shopify API, jQuery, SignalR, Node.js, Liquid, React, REST APIs, OpenAI API, React Redux, Web Worker, Stripe, WebRTC, WebGL, Three.js
Tools
Git, Shopify Plus, Google Analytics, SendGrid, Flyway, Sublime Text, Visual Studio, RabbitMQ
Languages
Java, HTML, CSS, HTML5, C#, JavaScript, TypeScript, SQL, Sass, JavaScript 6, CSS3, Java 7, Java 8, GraphQL, PHP, C++, Python, PHP 5, Bash, PHP 7
Frameworks
Swagger, Flask, Express.js, .NET Core, .NET, AngularJS, Redux, Angular, Bootstrap, Next.js, Tailwind CSS, gRPC, Hibernate, React Native, Material UI, Spring, ASP.NET, Spring Boot, Windows PowerShell
Paradigms
Responsive, REST, Agile, Search Engine Optimization (SEO), Microservices, Agile Software Development, Reactive Programming, Role-based Access Control (RBAC), Functional Programming, Back-end Architecture, Management, Mobile Development, ABAC
Platforms
Amazon Web Services (AWS), Google Cloud Platform (GCP), Shopify, Microsoft Power Automate, Microsoft, Ethereum, Linux, Windows, Blockchain, Databricks, Visual Studio Code (VS Code)
Storage
Google Cloud, MongoDB, MySQL, Databases, PostgreSQL, H2, MariaDB, Microsoft SQL Server, Redis, Amazon DynamoDB
Industry Expertise
Healthcare
Other
RESTful Microservices, Full-stack, Software Architecture, APIs, Image Processing, Shopify Design, Technical Reports, Architecture, Back-end, Shopify Customizations, Front-end, Laboratory Information Management System (LIMS), User Experience (UX), Data Visualization, SEO Tools, Themes, Technical Writing, Full-stack Development, Web Development, Authorization, Single Sign-on (SSO), Ajax, Writing & Editing, Cryptocurrency, CTO, Business Services, Technical Leadership, Low Code, Video Players, Streaming, Mobile Payments, SDKs, SpiceDB, Multitenancy, Offline Web Applications, Service Workers, Machine Learning, Deep Learning, Regression, JetBrains IDE, Business Administration, WebSockets, ERC-20, Back-end Development, Google Tag Manager, Cloud, Machine Vision, Fintech Consultant, Live Chat, SVG, Markov Chain Monte Carlo (MCMC) Algorithms, Open Source, Shaders, SCIM
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