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Build invoicing platform in google sheets w/ historical reporting, whatif analysis, API integration (w/ Google App Scripts)

We're seeking a developer to help us build an automated invoicing platform. Ideally the platform will be built in google sheets, but we're open to any better options.


Relatively simple data calculations from an exported csv file

Customer Profiles (updatable w/ different rates/calculations for each customer)

Historical Reporting (not sure where/how to implement this database, so we'll need suggestions)

What if Analysis (generate example bills based on changes to variables in client profile)

API Integration (We pull data from a GraphQL API, currently connecting via Google App Scripts)

Kemahiran: MySQL, JavaScript, Google Sheets, Excel, GraphQL

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Tentang Majikan:
( 14 ulasan ) Austin, United States

ID Projek: #30532550

Dianugerahkan kepada:


HI, I have 10 years of working as as spreadsheet developer. Excel and Google sheets are my core specility and have done over 300 related projects. I will create Google sheets with user friendly GUI using Html and Jqu Lagi

$15 USD / jam
(296 Ulasan)

22 pekerja bebas membida secara purata $13/jam untuk pekerjaan ini


Hi, I have read your post and understood your requirement. Looking for the freelancer to work on your next project? Or just need some issues/bugs/fixes ASAP? I have 11+ years of software experience in fortune 500 compa Lagi

$15 USD / jam
(57 Ulasan)
(325 Ulasan)

Dear Sir, In case you grant us the opportunity to work on this job, rest assured we can work with minimal or no supervision, meet deadlines, and understand directions in a single go. Thanks

$12 USD / jam
(24 Ulasan)
(56 Ulasan)
(130 Ulasan)

"Hi, I am interested in your project. I hope you will be happy after hiring me. Can we discuss more details about this project? Thanks"

$10 USD / jam
(71 Ulasan)

Hi, We are a team and have checked your requirement "We're seeking a developer to help us build an automated invoicing platform". Websites: [login to view URL] [login to view URL] [login to view URL] Lagi

$8 USD / jam
(54 Ulasan)

Hello! I am really interested in your project. As a full time freelancer, I can work with your project. Could you please contact me? Thanks

$12 USD / jam
(17 Ulasan)

Hello, ✨✨ as a senior developer, I have rich experience in this field. I can help you most efficiently what you want. I am looking forward to your reply here for future process. Thanks. Mukhammed-Ali.

$20 USD / jam
(8 Ulasan)

Googlesheet Expert... Hi, I have been working on WordPress since last 8+ years. I have worked on several similar projects. You can see an example of one of those projects in my portfolio here: [login to view URL] Lagi

$10 USD / jam
(13 Ulasan)

⭐⭐⭐Dear Client⭐⭐⭐ I've read through the job details carefully. I am 100% confident of your job because I have rich experience in ★General web technologie - HTML5, CSS3(SASS/LESS/SCSS), Bootstrap5, jQuery - tai Lagi

$12 USD / jam
(3 Ulasan)

*Hi Employer* I'm a senior software developer with 8+ years of experience. Please see my profile website and github repository. ([login to view URL]) ([login to view URL]) I've previously worked Lagi

$12 USD / jam
(4 Ulasan)

[login to view URL] you are doing well. I have read your job description very carefully. I am Front-end developer and Back-end developer. I have more than 5 years of experience in website build using PHP, HTML, Javascript, CSS, My Lagi

$10 USD / jam
(6 Ulasan)

I am an engineer with a lot of experience in the manufacturing industry. I have been developing systems from the ground up in Google Sheets for the last 7 years. You can read about the complete Human Resource Manage Lagi

$12 USD / jam
(8 Ulasan)

Hello. Thanks for your job posting. I just checked your project carefully. So it is very motivated and interesting for me. It is an ideal match for my skill and experience. I have rich experience in PHP, Laravel, Googl Lagi

$15 USD / jam
(6 Ulasan)

[login to view URL] Understand the requirements. I have a nice experience in google sheet script. Importing data to google sheet from any API, various calculations, exporting result, integration w Lagi

$14 USD / jam
(2 Ulasan)

Hi, I am a web designer & developer with 9+ years of experience. I have expertise in Laravel, CodeIgniter, Magento, WordPress, API, CMS, ecommerce, JavaScript, HTML, CSS, MySQL, PHP, Angular, React, React Native, Vue.j Lagi

$10 USD / jam
(2 Ulasan)

Hi I Have gone through your requirements I can help you to build an automated invoicing platform.I have rich experience as a full stack developer. lets connect on chat for detail discussion thanks Arpita

$12 USD / jam
(0 Ulasan)

hello i did a certification course in Microsoft tools and also in java sql .if you hire me i will do my level best. kindly let me know

$10 USD / jam
(0 Ulasan)

Hello, Greetings! A pleasure to submit the proposal for your kind consideration. I have gone through your requirement that you are looking for invoicing platform. I would like to let you know that I have more tha Lagi

$15 USD / jam
(0 Ulasan)