> Markdown version of [/jobs/ext/4722067-sr-sw-engineer-ui-developler](https://www.wearedevelopers.com/jobs/ext/4722067-sr-sw-engineer-ui-developler). 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). --- # Sr SW Engineer, UI Developler - **Company:** BlackSky Technology Inc. - **Location:** Seattle, WA, United States - **Experience:** Expert - **Salary:** $145,000 - $165,000 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), JIRA, Software Debugging, Geospatial Intelligence, Revision Control Systems, Design of User Interfaces, Human-Computer Interaction, Service Development Studio, Software Engineering, ReactJS, Backend, Agentic-AI, Git, Information Technology, React Redux - **Published:** November 14, 2026 - **Apply:** https://www.careerbuilder.com/job-details/sr-sw-engineer-ui-developler-seattle-wa--edffa926-3726-4a54-8299-c071a1e77c33 ## About the Role Software Engineering, User Interface/Experience (UI/UX), Intelligence Agencies, Customer Relations, Leading Edge Technology, Military Intelligence, React.js, JavaScript, Software Engineering, User Interface/Experience (UI/UX), * Bachelor's Degree in engineering, computer science, or related technical field. * Minimum 6 years of experience as a software engineer, specifically with JavaScript. * Experience with React. * Ability to understand and manipulate the browser DOM. * Experience using source control systems, preferably Git. * Experience participating in a team-oriented code-review and design process. * Experience creating and consuming APIs from a single-page application * Ability to communicate complex concepts effectively to fellow team members (both technical and non-technical). * Experience working with state management libraries like Redux * Experience with Agentic AI usage and best practices, * Experience building multiple applications with shared, internally developed libraries. * Experience and knowledge of Geospatial Intelligence and Map-based applications. * Familiarity with Issue and Project Tracking Software like Jira. * Experience working in a remote-first environment ## Description We are hiring an experienced Senior Software Engineer to join the Platform Applications and Services team to help expand our best-in-class user-experience. The ideal candidate has significant experience in JavaScript-based front-end technologies like React, some experience with backend service development, and is comfortable working in a professional environment. This position will be responsible for delivering high-quality features and software in conjunction with the rest of the team., * Ensure high-quality and production ready React and JavaScript solutions. * Work with User Experience designers and engineering management to help scope and plan feature development efforts * Take an active role in testing, debugging, and documenting implemented software functionality. * Participate in and provide insightful feedback during design sessions and regular team status. * Assist with operational tasks to ensure stability in production environments. * Proactively identify problems with requirements (lack of clarity, inconsistencies, technical limitations) and communicates these issues early. * Be available to collaborate with team members during core hours. * Mentor other engineers when appropriate. * Other job-related duties as assigned.