> Markdown version of [/jobs/ext/1070195-senior-full-stack-software-engineer](https://www.wearedevelopers.com/jobs/ext/1070195-senior-full-stack-software-engineer). 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). --- # Senior Full-Stack Software Engineer - **Company:** Sp Global, Inc. - **Location:** Cambridge, MA, United States - **Experience:** Expert - **Salary:** $150,000.0 - $225,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Artificial Intelligence, Software Engineering, TypeScript, Web Applications, Web Performance Optimization - **Published:** June 23, 2026 - **Apply:** https://dejobs.org/x/x/6E1B41EC57E94C92BDABE9BA527A8701/job/ ## About the Role * At least five years of direct experience building commercial web applications in JavaScript/TypeScript * At least three years of that experience working directly on web UIs in a modern framework * At least one domain of deep technical expertise (e.g., web performance, design systems, framework knowledge, etc.) * Product sense, or a strong interest in developing it * Kind, thoughtful, and high-signal communication skills for both technical and non-technical audiences * Ability to translate ambiguous needs and constraints into clear technical requirements ## Description As a Senior Full-Stack Software Engineer, you will build AI-centric web applications in TypeScript ranging from experimental POCs to full-fledged product offerings. You'll have significant autonomy over technical and architectural choices, and be responsible for managing short- and long-term trade-offs. The ideal candidate loves product and views technology as a means, not an end, and is excited to collaborate across all aspects of the software development lifecycle. ## Related Videos - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [Do TypeScript without TypeScript](https://www.wearedevelopers.com/videos/327-do-typescript-without-typescript) - [Generate AI in the Browser with Chrome AI - Raymond Camden](https://www.wearedevelopers.com/videos/1770-generate-ai-in-the-browser-with-chrome-ai-raymond-camden) - [The Avengers Initiative (Practical Ethics for Software Engineers)](https://www.wearedevelopers.com/videos/2070-the-avengers-initiative-practical-ethics-for-software-engineers) - [Web development best practices in 2021](https://www.wearedevelopers.com/videos/280-web-development-best-practices-in-2021) - [TypeScript Features That Changed the Game](https://www.wearedevelopers.com/videos/100061-typescript-features-that-changed-the-game) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Exploring TypeScript: Benefits for Large-Scale JavaScript Projects](https://www.wearedevelopers.com/magazine/554-exploring-typescript-benefits-for-large-scale-javascript-projects) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss)