> Markdown version of [/jobs/ext/4550180-mid-level-frontend-engineer-274k-yr](https://www.wearedevelopers.com/jobs/ext/4550180-mid-level-frontend-engineer-274k-yr). 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). --- # Mid-Level Frontend Engineer [$274k/yr+] - **Company:** SYSTOLIC, INC. - **Location:** Annapolis Junction, MD, United States (Remote available) - **Experience:** Experienced - **Salary:** $274,000.0 - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Application Programming Interfaces (APIs), Unit Testing, Cascading Style Sheets (CSS), Command-Line Interface, Software Quality, Code Review, Data Warehousing, Distributed Systems, Web Applications, Web Application Frameworks, ReactJS, Backend, Git, Vue.js, Front End Software Development, Restful APIs, Software Version Control - **Published:** November 3, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9282175/mid-level-frontend-engineer-274kyr ## About the Role * Degree: Technical bachelor's degree or equivalent experience * Years of experience: 9+ years * Total Compensation: $274k+ yearly ## Description * Design, develop, and maintain responsive web applications using modern JavaScript frameworks, HTML, and CSS. * Collaborate with backend engineers, designers, and data scientists to build seamless user interfaces for a data warehouse platform. * Integrate RESTful APIs and ensure code quality through rigorous unit testing and quality assurance practices., * Develop and enhance intuitive web applications utilizing JavaScript, CSS, HTML, and modern frontend frameworks such as React or Vue. * Define, connect, and interact with REST-based APIs across distributed architectures. * Conduct code reviews and write comprehensive unit tests to ensure high performance and maintainability. * Troubleshoot, triage, and resolve application issues and user-reported tickets. * Work comfortably within *nix command line environments and manage version control utilizing Git. * Partner with cross-functional teams to deliver scalable solutions within a data warehouse ecosystem. Telework: This position supports a hybrid schedule, requiring an average of 1-2 days per week on-site.