> Markdown version of [/jobs/ext/4617121-staff-software-engineer-front-end](https://www.wearedevelopers.com/jobs/ext/4617121-staff-software-engineer-front-end). 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). --- # Staff Software Engineer, Front End - **Company:** The Primer AI LLC - **Location:** San Francisco, CA, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Amazon Web Services, HTML5, Microsoft Azure, Cascading Style Sheets (CSS), Software as a Service, Cloud Computing, Elasticsearch, Design of User Interfaces, Information Retrieval, Python (Programming Language), Machine Learning, Natural Language Processing, Commercial Software, Software Engineering, Google Cloud, ReactJS, Backend, Integration Tests, Front End Software Development, React Redux, Software Coding - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25303_cad2c9dce4480cc182a012c325006254 ## About the Role * Strong knowledge of Front End Web Software Development * Expertise in JavaScript, React, Redux, and HTML5 / CSS3 * Experience building and maintaining frontend component libraries * Experience with the development and long-term maintenance of SaaS products * Proficiency writing unit and integration tests * Experience leading commercial software technical projects end-to-end in an agile environment on any major cloud provider (AWS, GCP, Azure, etc) * 5+ years of shipping production grade software, * Numerical methods and/or machine learning experience * Back end development experience with Python * Experience with organization-level cloud infrastructure * Elasticsearch experience, especially as applied to information retrieval and search relevance This role will consider applicants out of San Francisco, CA or Washington, DC The annual cash compensation range for this position is US$200,000 to US$225,000. Final compensation will be determined based on experience and skills and may vary from the range listed above. Primer works closely with the U.S. defense and intelligence establishment. Any offer of employment is conditioned on an applicant or employee being able to meet any applicable government contract requirements. The company may rescind any offer of employment to an applicant or terminate an employee if the applicant or employee is unable to perform the functions of the position in compliance with applicable government contracts or if an applicant or employee makes a false attestation of compliance. ## Description As a Senior or Staff Software Engineer you will have the opportunity to make a wide impact on our tooling, coding standards, and codebase. Additionally, you will take the lead on building new or updating data driven product features working with cross functional teams to solve the technical challenges of our natural language processing and machine learning technology. We believe in creating an environment that encourages and creates opportunities for growth. Whether it's helping create and contribute to a set of architectural principles, or pushing us to adopt high-impact OSS, we need engineers to help us make those decisions. Roles and Responsibilities - How You Will Make an Impact * Collaborate with design and product to build functional and delightful product experiences * Ensure the technical feasibility of UI/UX designs * Build out frontend layers for new features and product