Senior Front-End Developer, JavaScript & React

Salary: $136000 - 164000 per year Requirements: Active TS/SCI clearance is essential. Ability to work on-site in San Antonio, TX up to five days per week as required by the customer. Bachelors degree in a related discipline is mandatory. A Masters degree may compensate for 2 years of experience. 10 years of relevant experience in the functional area. 10 years of software development experience in object-oriented and scripted languages, proficient in DevSecOps tools, microservices, and containers. 5 years of recent, pertinent experience in front-end web design and development. 5 years of experience with bug tracking software (e.g., Jira). 5 years of experience in testing web-based applications. 5 years of experience in leading software development initiatives/projects. Practical experience in a cloud environment. 5 years of experience with both Jenkins and GitLab. 5 years of experience with at least five of the following technologies: Apache, Ember, JavaScript, Jaguar, Java, Cricket, Node. Proven experience in agile, user-focused application design, meeting top-tier UI/UX standards. Demonstrated ability in preparing, executing, and documenting various systems tests to validate system functionality and adherence to project specifications. Experience in creating system wireframes and mockups, accommodating diverse user personas. Responsibilities: Provide expert knowledge for assigned tasks and projects. Utilize analytical skills to enhance processes, conduct specialized studies, and define project requirements. Engage in a range of duties including analysis, planning, drafting requirements documents, building functional models, and developing procedures and architectures. Carry out engineering tasks related to front-end design and development, which encompass creating technical design drawings, mockups, wireframes, and documentation for review by JCC2 PMO and stakeholders. Plan and implement modifications to Graphic User Interfaces (GUIs), enhance UI elements, optimize system navigation, and improve user experience for user-facing features. Technologies: Cloud DevSecOps Ember GitLab JIRA Java JavaScript Jenkins Web microservices UX UI Design NodeJS CI/CD InVision Support Sketch Frontend More: We are Nimbus Data Systems, a leader in Technology and Consulting Services, and we are seeking a Senior Front-End Developer to join our San Antonio, TX team. This full-time role requires an active TS/SCI clearance and is conducted on-site five days a week. Our company values diversity and is committed to equal opportunity employment, ensuring that all qualified applicants are evaluated fairly. We offer competitive salaries, a comprehensive benefits package including health insurance, life and disability insurance, retirement plans, and generous paid time off. We also prioritize a supportive work environment, providing reasonable accommodations to individuals needing assistance during the employment process. last updated 26 week of 2026