Senior Software Engineer – React & Graph Visualization

CTRL + LLC; Maryland; On-site; USD 316,542,000 - 411,186,000; Full time

Benefits offered by this job

401(k) matching

Life insurance

Disability insurance

Medical, dental and vision

Employee Assistance Program

Professional development reimbursement

Equipment reimbursement

Referral bonuses

Team events

Job summary

Ctrl+ is a software engineering and staffing firm based in Elkridge, Maryland, supporting Department of Defense missions in the Fort Meade area and other listed locations.

We are seeking a senior frontend engineer to design scalable graph visualization interfaces, build React/Node services, and collaborate with mission stakeholders. You will own frontend components, gather requirements, and ensure accessibility.

Qualifications

• Bachelor’s degree in Computer Science or related discipline.
• 14 years of relevant experience.
• Proficiency in ReactJS, JavaScript, ESLint and Jest.
• Experience building scalable graph interfaces with thousands of nodes/edges.
• Strong knowledge of Node.js and Express.js services.
• Secure RESTful APIs and GitLab CI/CD.

Responsibilities

• Design scalable graph visualization interfaces.
• Build frontend components and backend services.
• Gather requirements and demonstrate working software.
• Develop algorithms, tests and integrations.
• Review code, documentation and team quality.
• Support installation and troubleshoot performance.

Skills

Independent ownership

SAFe

User research

Wireframes

Prototypes

User stories

ReactJS

JavaScript

ESLint

Jest

Node.js

Express.js

RESTful APIs

GitLab

CI/CD

Docker

Kubernetes

Helm

508 WCAG

SAFe

Education

Bachelor’s degree in Computer Science or related field

Tools

ReactJS

JavaScript

ESLint

Jest

Node.js

Express.js

RESTful APIs

GitLab

CI/CD

Docker

Kubernetes

Helm

Babel

nwsapi

Winston

Graphology

AG Grid

Sigma

Job description

Work location: Annapolis Junction, MD

Work arrangement: On-site

Required Clearance: TS/SCI with polygraph

Applicants must currently hold an active TS/SCI with polygraph. Ctrl+ does not sponsor new security clearances or clearance upgrades. Applicants who do not meet this requirement cannot be considered.

Location & In-Person Requirement

All positions require in-person work. Applicants must live within commuting distance of the listed work location to be considered. Some roles may allow limited telework, but regular on-site attendance is required. These are not fully remote positions.

Your next challenge

Make complex data easier to explore. Build responsive graph interfaces, turn user feedback into useful features, and bring your ideas directly to mission stakeholders.

The mission

Support rapid prototyping and practical knowledge-management capabilities for mission operations.

What you’ll do

• Design scalable graph visualization interfaces
• Build frontend components and backend services
• Gather requirements and demonstrate working software
• Develop algorithms, tests and integrations
• Review code, documentation and team quality
• Support installation and troubleshoot performance

What you’ll bring

• 14 years of relevant experience. Bachelor’s degree in Computer Science or a related discipline from an accredited college or university.
• High-performance graph interfaces handling thousands of nodes and edges
• ReactJS, JavaScript, ESLint and Jest
• User research, wireframes, prototypes and user stories
• Node.js and Express.js services
• Secure RESTful APIs
• GitLab version control and CI/CD
• Section 508 and WCAG accessibility
• Docker, Kubernetes and Helm
• Independent ownership of work on a small team
• Scaled Agile Framework (SAFe), stakeholder presentations and product demonstrations

Preferred qualifications

• Scrum leadership and certification
• Babel, nwsapi, Winston, Graphology, AG Grid and Sigma

Compensation and flexibility

$110.47–$143.50 per hour in approximate pay; employer 401(k) contribution is additional.

Compensation: The listed range reflects approximate hourly pay across our compensation models and excludes Ctrl+’s employer 401(k) contribution. Your hourly pay will vary based on qualifications, experience, and the compensation model you select. The lower end reflects a no-bonus option with five weeks of PTO; the upper end reflects the Max Rate option without bonus or PTO.

Choose from three compensation models: Max Rate, With Bonus, or With Bonus and PTO. Offers include a projected five-year compensation comparison and a package comparison sheet. PTO and bonuses depend on the selected model and role eligibility.

Why Ctrl+?

Ctrl+ is a software engineering and staffing firm based in Elkridge, Maryland, supporting Department of Defense missions in the Fort Meade area and other listed locations. Founded by two college roommates, Brad and Bhavin, Ctrl+ brings a close-knit team approach, with founders who work on contracts alongside employees.

Benefits include:

• 10% employer 401(k) non-elective contribution
• Employer-paid life insurance and short- and long-term disability insurance
• Medical, dental and vision coverage options
• Employee Assistance Program
• Professional development and certification reimbursement
• Technology and ergonomic equipment reimbursement, subject to eligibility
• Referral and retention bonus programs, subject to eligibility
• Paid social and team events

Equal Opportunity Employer

Ctrl+ is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, genetic information, marital status, military or veteran status, or any other characteristic protected by applicable law. Hiring decisions are based on qualifications, experience, and job requirements. Reasonable accommodations are available to qualified applicants with disabilities during the application and hiring process.