Senior Software Engineer - Graph UI & Backend (React/Node)

CTRL + LLC; Maryland; On-site; USD 252,000 - 296,000; Full time

Job summary

CTRL+ seeks a Software Engineer (SWE) — Skill Level 4 to design, develop, and maintain a distributed Metrics and Monitoring solution for HPC systems. The role emphasizes Splunk proficiency and strong frontend/backend capabilities, including ReactJS, Node.js, and RESTful APIs, in a mainly on-site Annapolis Junction, MD environment.

You will collaborate with analysts and stakeholders to deliver scalable, user-centered solutions, build testable code, and contribute to CI/CD pipelines within a SAFe

Qualifications

• Proven experience designing and building large-scale graph visualization interfaces for the web.
• Strong UI development skills with ReactJS.
• Solid experience with Node.js and Express.js for server-side development.
• Demonstrated ability to design and consume RESTful APIs.
• Proficiency with GitLab for version control, CI/CD, and project management.
• Working knowledge of Section 508 / WCAG accessibility standards.

Responsibilities

• Design and implement high-performance, web-based graph visualization interfaces for large datasets.
• Build reusable, scalable frontend code using ReactJS.
• Develop and maintain scalable server-side applications and microservices with Node.js/Express.js.
• Design and consume well-structured, secure RESTful APIs.
• Write and maintain automated JS tests using ESLint/Jest.
• Manage GitLab-based CI/CD pipelines and project workflows.
• Debug and integrate solutions into new or modified systems.
• Develop algorithms that meet performance and functional standards.
• Analyze system flow and data usage to resolve issues.
• Write and review software/documentation; suggest process improvements.
• Assist with test procedures and quality control on deliverables.
• Coordinate software installation and monitor operations in SAFe environment.
• Communicate technical concepts clearly to stakeholders and leadership.

Skills

Graph viz UI

ReactJS

Node.js

RESTful APIs

GitLab

WCAG accessibility

Docker

Kubernetes

Independent worker

Communication

20 years of experience

Tools

Express.js

GitLab CI

Job description

CTRL+ seeks a Software Engineer (SWE) — Skill Level 4 to design, develop, and maintain a distributed Metrics and Monitoring solution for HPC systems. The role emphasizes Splunk proficiency and strong frontend/backend capabilities, including ReactJS, Node.js, and RESTful APIs, in a mainly on-site Annapolis Junction, MD environment.

You will collaborate with analysts and stakeholders to deliver scalable, user-centered solutions, build testable code, and contribute to CI/CD pipelines within a SAFe