Top 198 Java/net developer Jobs in Rockville, Md

Software Engineer
Constellation Inc —Washington, DC
- $110,000 - $130,000 a year
- Full-time
- Hybrid work
- Computer Science
- Mid-level
- Bachelor's degree
- Health insurance
- Dental insurance
Mobile/Web Developer (.Net)
Air Line Pilots Association, Int'l. —McLean, VA
- $96,027 - $137,179 a year
- Hybrid work
- Microsoft Outlook
- Computer Science
- Research
- Commuter assistance
- Health savings account
Junior Software Engineer
Amentum —Washington, DC
- $95,000 - $110,000 a year
- Full-time
- Computer Science
- Engineering
- Java
- Health savings account
- Paid holidays
Quick Apply
.NET Mainframe Developer
System One —Vienna, VA
- Contract
- Remote
- Computer Science
- 5 years
- Java
- Health insurance
- Dental insurance
Quick Apply
Computer Programmer
Axle —Rockville, MD
- $75,000 - $80,000 a year
- Azure
- System design
- Java
- Paid holidays
- Health insurance
Quick Apply
Java Developer
Advanced Technology Experts LLC —Rockville, MD
- Email
- Computer science
- Computer Science
- 5 years
- Paid holidays
- Health insurance
Software Developer
Technuf —Rockville, MD
- $120,000 - $140,000 a year
- Email
- Hybrid work
- Computer Science
- Java
- Senior level
Elite Software developer
Advanced Technology Experts LLC —Rockville, MD
- Email
- 7 years
- Computer Science
- Bachelor of Science
- Paid holidays
- Health insurance
.Net developer
Advanced Technology Experts LLC —Gaithersburg, MD
- Email
- Oracle
- Mid-level
- Paid holidays
- Health insurance
Microservices Developer
Advanced Technology Experts LLC —Rockville, MD
- Email
- Computer science
- Oracle
- Computer Science
- Paid holidays
- Health insurance
Backend Software Engineer
Steampunk —McLean, VA
- $85,000 - $170,000 a year
- Remote
- 3 years
- Java
- Bachelor's degree
TS Cleared Software Engineer
Amentum —Washington, DC
- $130,000 - $145,000 a year
- 8 hour shift
- Azure
- Computer Science
- Engineering
- Health savings account
- Paid holidays
Quick Apply
8d
RPA IA Developer TS/SCI with Poly REQUIRED
CGI Group, Inc. —Chantilly, VA
- $89,600 - $194,000 a year
- Computer Science
- Maintenance
- Mid-level
- Paid parental leave
- Paid holidays
Software Developer - TS/SCI with Polygraph
General Dynamics Information Technology —Chantilly, VA
- $123,250 - $166,750 a year
- Customer service
- 5 years
- Mid-level
- Paid holidays
- 401(k) matching
Node.js Developer
Advanced Technology Experts LLC —Bethesda, MD
- Email
- Computer science
- Computer Science
- 5 years
- Paid holidays
- Health insurance
Data Application Developer, Senior
LCG, Inc. —Rockville, MD
- $30 - $50 an hour
- 7 years
- Computer Science
- Salesforce
- Paid holidays
- Disability insurance
Quick Apply
Appian Developer, Senior
LCG, Inc. —Rockville, MD
- $100,000 - $120,000 a year
- 7 years
- Computer Science
- Salesforce
- Paid holidays
- Disability insurance
Quick Apply
Appian Developer- Remote
ICF —Reston, VA
- $98,614 - $167,644 a year
- Full-time
- Remote
- Mid-level
- 3 years
- Java
Power Platform Developer (senior, mid-level, junior)
Centeva —Rockville, MD
- $70,000 - $120,000 a year
- Full-time
- Background check
- Azure
- Computer Science
- Paid holidays
- Disability insurance
Quick Apply
Senior Software Engineer (.NET/Java) - Underwriting Engineering - HYBRID
GEICO —Bethesda, MD
- $75,000 - $215,000 a year
- Full-time
- Computer science
- Azure
- Computer Science
- Health insurance
- Tuition reimbursement
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java/net developer jobs near rockville, md

Software Engineer

Constellation Inc -
Washington, DC

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Job Details

Full-time
$110,000 - $130,000 a year

Benefits

Health insurance
Dental insurance
401(k)
Flexible spending account
401(k) matching
Professional development assistance
Flexible schedule
Life insurance

Qualifications

Responsive design
Secure web application development
Software engineering
Test Automation Development (Quality assurance practices)
CSS
Continuous Delivery (CD) implementation
Git
JavaScript frameworks
Bachelor's degree
Developing and maintaining backend systems
Web applications
UI implementation
Front-end component implementation
DevOps automation

Full Job Description

Pay: $110,000.00 - $130,000.00 per year

Job description: Software Engineer

Constellation seeks a Software Engineer to join our Homeland Security Team in Washington, DC. This role is designed for a developer who is comfortable across the stack, specifically building modern user interfaces in React and supporting robust backend services in Java/Spring Boot (or similar frameworks). You will work on mission-critical applications that integrate data collection, operational reporting, and intelligent automation to support national security objectives. This position involves close collaboration with analysts, engineers, and stakeholders to deliver mission-driven capabilities across multiple workstreams.

Key Responsibilities:

Full-Stack Development: Build and maintain responsive web applications using React, integrating them with backend services and APIs.
System Integration: Support the development of backend logic and data services using Java/Spring or equivalent frameworks.
User-Centric Design: Collaborate with analysts and stakeholders to translate complex data requirements into intuitive, high-performance user interfaces.
Agile Collaboration: Participate in sprint planning, code reviews, and technical design sessions within a tight-knit engineering team.
Quality Assurance: Write unit tests and participate in CI/CD workflows to ensure the reliability of production code.

The ideal candidate must have the following experience, background, and credentials:

2 - 5 years of professional experience in software development, with a proven ability to work in frontend frameworks like React and backend ecosystems such as Java/Spring, C#/.NET, or similar enterprise-grade languages
Strong experience developing front-end applications using HTML, TypeScript, and CSS with a focus on responsive design and modern UI/UX
Strong understanding of RESTful APIs, React component design and common component libraries, and secure web development practices
Proficiency in writing unit tests using frameworks such as Jest
Experience working in a collaborative code environment and familiarity with Git, CI/CD pipelines, and modern development workflows
Bachelor’s degree in Computer Science, Software Engineering, or a related field
Be a U.S. citizen able to pass a background investigation by the client agency. DHS clearance with CBP/ICE or DoD Top-Secret preferred

Job Type: Full-time
Work Location: Hybrid

Benefits:

401(k)
401(k) matching
Dental insurance
Flexible schedule
Flexible spending account
Health insurance
Life insurance
Professional development assistance

Apply Now

Refine Your Search

java/net developer jobs in rockville, md

Software Engineer

Mobile/Web Developer (.Net)

Junior Software Engineer

.NET Mainframe Developer

Computer Programmer

Java Developer

Software Developer

Elite Software developer

.Net developer

Microservices Developer

Backend Software Engineer

TS Cleared Software Engineer

RPA IA Developer TS/SCI with Poly REQUIRED

Software Developer - TS/SCI with Polygraph

Node.js Developer

Data Application Developer, Senior

Appian Developer, Senior

Appian Developer- Remote

Power Platform Developer (senior, mid-level, junior)

Senior Software Engineer (.NET/Java) - Underwriting Engineering - HYBRID

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