> Markdown version of [/jobs/ext/1886871-full-stack-engineers](https://www.wearedevelopers.com/jobs/ext/1886871-full-stack-engineers). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # full stack engineers - **Company:** Sphere Corporation - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Django Web Framework, Python (Programming Language), Transaction Data, ReactJS, Backend, Juniper, Front End Software Development, Data Pipelines - **Published:** July 31, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-full-stack-engineer-san-francisco-ca--c6bc5c8e-e07b-4278-83fe-6062a3c4eba3 ## About the Role * Experience in Python . Our core application backend and data pipeline services are built with Python and Django * While frontend / React may not be your primary focus, you're not afraid to dive in when needed * Very strong attention to detail. When you work with numbers this is a non-negotiable - it's not enough to be 99% right. NICE TO HAVES * Experience working with large volumes of transaction data. You'll be getting very familiar with it! * Experience with Django or Python ORM, Artificial Intelligence (AI), Billing, Business Growth, Detail Oriented, Interpret Regulations, Juniper Networks M-Series, Mentoring, People Management, Product Development ## Description * The problem keeps compounding.Expanding into input tax, withholding, e-invoicing, tariffs - each multiplies the complexity. Tens of millions of transactions today, billions ahead., Sphere is looking for senior full stack engineers who will own and build out new product lines (input tax, withholding tax, e-invoicing, tariffs) as well as mission critical parts of the Sphere platform (filing infrastructure, tax engine and AI / agentic related features). These areas are key levers towards scaling Sphere and growing ARR, meaning that your work will have a direct impact on the growth of the business on a daily basis. WHAT YOU'LL DO Within weeks: * Ship mission critical features that clients will use daily - e.g. filing infrastructure * Own and manage a feature and drive measurable outcomes * Work directly with customers like Eleven Labs, Lovable and Deel to improve / optimize that key component of the platform (e.g. improve filing generation and submission speed [x]%) Within months: * Own the end-to-end development of new products lines that will help build out our AI-native revenue-based compliance platform * Lead / mentor additional engineers in component areas that you have worked in ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)