Senior Front-End Developer (React)

Salary: $133000 - 159000 per year Requirements: Active TS/SCI clearance required Bachelors degree in a related field; Masters may substitute for 2 years of experience 10 years of experience in the relevant functional area 10 years of experience in software development using object-oriented and scripted languages Familiarity with DevSecOps, microservices, and container technologies 5 years of recent experience in front-end web design and development 5 years of experience with bug tracking software, such as Jira 5 years of experience testing web-based applications 5 years of experience leading software development projects Practical experience in a cloud computing environment 5 years of experience with Jenkins and GitLab Proficiency in at least five of the following technologies: Apache, Ember, JavaScript, Java, Cricket, Node Demonstrated ability in agile, user-centric application design Proven experience in system testing and documentation Experience in creating wireframes and mockups for diverse user personas Responsibilities: Provide subject matter expertise for project-related tasks Utilize analytical skills to enhance processes and define requirements Engage in the analysis and planning of project activities Develop requirements documentation and functional models Create technical design drawings, wireframes, and mockups Plan and implement modifications to graphical user interfaces (GUIs) Construct and optimize UI elements for improved usability Facilitate user-centric feature development for enhanced operator ease of use Oversee compliance with project standards and requirements through system tests Technologies: Cloud DevSecOps Ember GitLab JIRA Java JavaScript Jenkins Web microservices UX UI Design NodeJS CI/CD InVision Support Sketch Frontend More: We at Cobalt Streamworks are seeking a Senior Front-End Developer to join our team in Fort Meade, MD. This full-time position requires an active TS/SCI clearance and involves working onsite five days a week. We offer a collaborative environment where you will engage in exciting projects and have the opportunity to enhance your skills. You will be part of a dedicated team and benefit from competitive compensation, including health insurance, retirement plans, paid time off, and additional rewards tailored to your contributions. last updated 26 week of 2026