> Markdown version of [/jobs/ext/539845-fullstack-engineer-senior-software-engineer](https://www.wearedevelopers.com/jobs/ext/539845-fullstack-engineer-senior-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). --- # Fullstack Engineer/Senior Software Engineer - **Company:** Ampcus Inc - **Location:** Washington, DC, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Computer Vision, HTML5, Microsoft Azure, Cascading Style Sheets (CSS), Databases, ECMAScript, Machine Learning, Natural Language Processing, Node.Js, NoSQL, Recommender Systems, Svelte, Next.js, Web Application Security, Software Deployment, Software Engineering, SQL Databases, Systems Integration, TypeScript, ReactJS, Grafana, Backend, Webpack, Performance Monitor, Build Tools - **Published:** June 15, 2026 - **Apply:** https://diversityjobs.com/career/14386369/Fullstack-Engineer-Senior-Software-Engineer-D-C-Washington ## About the Role * 10-15 years of professional software development experience. * Expert-level proficiency in one or more modern UI frameworks: React.js, Next.js, or Svelte. * Strong experience with server-side development using Node.js. * Demonstrable exposure to AI/ML concepts and a strong interest in their application. This could include: + Integrating with third-party AI APIs (e.g., Open AI, Google AI). + Working on projects that involve natural language processing (NLP), computer vision, or recommendation systems. + Understanding how to structure data for AI model consumption. * Deep understanding of modern JavaScript (ES6), TypeScript, HTML5, and CSS3. * Proven experience with state management, build tools (Webpack, Vite), and testing frameworks. * Solid understanding of database technologies (both SQL and NoSQL). * Experience with cloud platforms (AWS, GCP, or Azure) and CI/CD pipelines., * Experience building and deploying applications using SvelteKit. * A portfolio or examples of projects where you have successfully integrated AI features. * Familiarity with AI-specific libraries (e.g., TensorFlow.js, LangChain). * Experience with performance monitoring and observability tools. * Knowledge of web security best practices. * Previous experience in a tech lead or architectural role. Experience Required: * 10-15 yrs. experience more UI React.js or Next.js, svelte, node.js, some exposure to AI ## Description * We are seeking a highly experienced Senior Software Engineer with 10-15 years of experience to join our core team. * The ideal candidate is a master of modern UI development with deep expertise in React.js, Next.js, or Svelte, complemented by strong back-end skills in Node.js. * You will play a pivotal role in architecting, building, and scaling our customer-facing applications. * A key differentiator for this role is the opportunity to leverage and integrate AI/ML capabilities to create smarter, more adaptive user experiences. ## Related Videos - [WeAreDevelopers LIVE – AI, Freelancing, Keeping Up with Tech and More](https://www.wearedevelopers.com/videos/1786-wearedevelopers-live-ai-freelancing-keeping-up-with-tech-and-more) - [Svelte ♥ TypeScript and so will you](https://www.wearedevelopers.com/videos/493-svelte-typescript-and-so-will-you) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Why I Recommend Svelte to Every New Web Developer](https://www.wearedevelopers.com/videos/132-why-i-recommend-svelte-to-every-new-web-developer) - [On tour with heroes == Moving from Angular to WebComponents](https://www.wearedevelopers.com/videos/63-on-tour-with-heroes-moving-from-angular-to-webcomponents) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift)