Freelance Automation Engineers in CincinnatiFreelance Automation Engineers in Cincinnati
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Justin Singh's avatar
Justin Singh
Mason, USA
HubSpot, API & AI automation for real business ops.
New to Contra
HubSpot, API & AI automation for real business ops.
Cover image for Built a custom integration connecting
Built a custom integration connecting HubSpot, UPS, and Google Workspace to automate shipping and operational workflows. This project replaced a manual, multi-system process with a cleaner workflow powered by APIs, webhooks, and backend automation in Python and Node.js. What it improved: • reduced manual processing • improved workflow reliability • connected key systems more cleanly • made operational updates easier to manage Tech used: HubSpot, UPS API, Google Workspace API, Python, Node.js, OAuth, Webhooks If your team is dealing with disconnected tools or manual operational steps, this is the kind of system I build.
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Cover image for Expert Custom API Integration for Seamless HubSpot Emails
Custom API Integration for Emails Built a custom API connection and backend workflow to support mass email operations and connect email-related processes more cleanly with HubSpot. The result was a more reliable, scalable system with fewer manual steps between CRM activity and backend email workflows. Built a custom API connection and backend workflow to support mass email operations and connect email-related processes more cleanly with HubSpot. This project replaced disconnected backend processes and manual coordination with a more reliable, scalable system that created a cleaner link between CRM activity and operational email workflows. I designed and implemented the integration layer using API-driven logic, backend automation, and workflow triggers to reduce manual work and improve consistency across email-related operations. The solution connected HubSpot with surrounding backend systems, automated actions that previously required manual intervention, and made large-scale email workflows easier to manage and maintain. Tech used: HubSpot, APIs, Python, Node.js, Webhooks, Backend Automation, Email Systems. This project demonstrates custom API integrations, backend automation, HubSpot-connected systems, CRM process automation, webhook-based workflows, and Python/Node.js backend logic.
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Cover image for Discord AI Agent Built a Discord
Discord AI Agent Built a Discord bot with AI-assisted capabilities to support community workflows, automate repetitive interactions, and make information easier to access inside Discord. This project focused on turning a basic bot concept into a more useful operational tool. Instead of relying on manual responses or scattered information, the bot was designed to handle structured interactions, support task-oriented workflows, and create a cleaner experience for users inside the server. What it improved: • reduced repetitive manual responses • made common information easier to access • created a more structured support workflow • added AI-assisted capabilities to a real communication environment Tech used: Python, Discord API, AI workflow logic, backend automation, APIs, GitHub If your team or community needs a smarter bot that can do more than basic commands, this is the kind of system I build.
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Cover image for AI Compare Tool Agent for
AI Compare Tool Agent for Faster Structured Decision-Making Built a compare tool agent that turns a manual comparison process into a cleaner, repeatable workflow. This project was designed to help users compare options in a more structured way by organizing inputs, applying comparison logic, and returning outputs that are easier to evaluate and act on. Instead of relying on scattered research or inconsistent manual formatting, the tool creates a more reliable comparison experience. What it improved: reduced manual comparison and synthesis work improved output consistency made side-by-side evaluation easier created a reusable workflow for structured decision support Tech used: Python, APIs, GitHub, AI workflow logic This is the kind of tool I build for teams that want practical AI workflows, internal tools, and automation that actually helps with real work.
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Automation Engineer(1)