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If you’re passionate about solving complex technical challenges, learning emerging technologies, and developing software that directly supports mission success, this is an exciting opportunity to grow your career while making a meaningful difference. As a Full Stack Engineer, you’ll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure, cloud-native solutions.

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Leidos

Mid-Level Software Engineer

FULL_TIME

We develop software systems to address challenging national security problems that enable planning and decision making in domains including active threat deterrence, signal intelligence, cyber operations, machine learning, image processing, and applied data analytics. We seek talented engineers who can work with a team to construct, implement, test, document, and maintain software applications that provide highly impactful capabilities for the special operations and intelligence community.

YEAR

Johns Hopkins Applied Physics Laboratory

Full Stack Software Engineer

[AW]-iCims

Our employee-owners include acquisition analysts, financial analysts, engineers, configuration specialists, logisticians, technicians, IT professionals, and ship production specialists providing integral, quality support to multiple Navy organizations. Examples include but are not limited to Electrical Engineering, Computer Engineering, Computer Science, Information Technology, or Information Systems, Mechanical Engineering, or Marine Engineering.

ICI Services Corp

Software Engineer III

As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

BAE Systems Plc

Software Engineer - Level 2

Collaborate with the team to review and improve processes (development, test, governance, stakeholder interactions), Communicate project status, roadblocks, technical and process proposals to the team and stakeholders. Minimum education and experience are 8 years’ experience with Bachelor’s of Science; OR 6 years’ experience with Masters; OR 4 years’ experience with PhD.

DP Professionals

Cyber Software Engineer III

jobdiva

Responsible for designing, developing, and deploying secure, scalable applications that integrate agentic artificial intelligence, large language models (LLMs), knowledge graphs, and traditional enterprise software within Department of Defense (DoD) environments. Working directly with other engineers, architects, data scientists, analysts, and mission users, the Full Stack Developer will deliver agentic AI and knowledge graph features culminating in an enterprise-level analytics platform.

Redhorse Corporation

lever_via_bold

Software Engineer IV

Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required ( Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree). Day in the Life: Working directly with clients, managers and technical staff to understand business needs, develop technical plans, and deliver impactful solutions that solve client problems.

ClearEdge

Senior Software Engineer

ea_via_bold

Deep experience in modern rendering and content delivery architectures, including server-side rendering, static generation, dynamic rendering, hydration, caching and invalidation, and the tradeoffs between rendering at the build layer, origin, edge, and client. Design edge-rendering and edge-composition architectures, including component-level and server-island patterns, and lead the shift from TTL-driven regeneration to event-driven render-on-update models.

WP Company LLC

Senior Staff Software Engineer - Rendering & Delivery, MediaOS

ActioNet is a CMMI-DEV Level 4, CMMI-SVC Level 4, ISO 20000, ISO 27001, ISO 9001, HDI-certified, woman-owned IT Solutions Provider with strong qualifications and expertise in Agile Software Engineering, Cloud Solutions, Cyber Security and IT Managed Services. At ActioNet, our Passion for Quality is at the heart of everything we do: We are committed to make ActioNet a great place to work and continue to invest in our ActioNeters.

ActioNet, Inc.

Actionet, Inc. Careers - Senior Software Engineer

Security Clearance: Must currently hold a Top Secret/SCI U.S. Government security clearance with a favorable Polygraph, therefore all candidates must be a U.S. citizen. Minimum Qualifications: Fourteen (14) years experience as a SWE in programs and contracts of similar scope, type, and complexity is required.

Captivation Software

Software Engineer 2 - Python/Kotlin/Java/Terraform/Elasticsearch/Opensearch/AWS

GreenHouseAPI

REI Systems is seeking a Senior Software Engineer to provide technical leadership for the design, development, testing, modernization, and operational support of complex enterprise applications for the ODOS Program. The successful candidate will lead critical engineering decisions, establish development practices, mentor engineers, and collaborate with architecture, product, UX, QA, DevOps, database, and operations teams.

We deliver solutions that make a difference and empower people.

With a focus on next generation IT solutions, REI believes that Government can better serve the public through innovative technology solutions and emerging delivery methodologies. That’s why we specialize in application modernization using cloud- and platform-based solutions, grants management, and data analytics and visualization.

We won our very first contract with NASA in 1989, and we continue to serve every customer that we’ve worked with since. Our 500+ employee-owners pride themselves in delivering meaningful and sustainable results that consistently exceed our customers’ expectations.

REI Systems

Senior Software Engineer- full stack Java

This person will translate system engineering designs into robust software designs, and then design, implement, and maintain source code, Infrastructure-as-Code (IaC), and Configuration-as-Code. Salary at Avalore is determined by various factors, including but not limited to location, the individual's particular combinaition of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.

Avalore, LLC

Software Developer/Engineer

Workable

Or Bachelor’s degree in Computer Science or related discipline from an accredited college or university, plus 2 years of experience as a Software Engineer in programs and contracts of similar scope, type, and complexity. Compensation Range: $142,000.00 - $182,000.00 *The salary range provided reflects an estimate based on current market trends and may be adjusted based on factors such as the candidate's experience, skills, and qualifications.

Intelliforce-IT Solutions Group

Experienced Software Engineer

The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. The Boeing Company The Boeing Company is currently seeking a Java Software Engineer (Associate/Experienced) with experience in software engineering and architecting to support the Denali Software team located in Herndon, Virginia .

At Boeing, you can build something better for yourself, our customers, and the world. Here you can transform aerospace and make history. And you’ll work alongside other experts and visionaries who lead and inspire. Our workforce includes every profession and career path you can imagine, taking you as far as you can dream. 

Boeing

Java Software Engineer (Associate/Experienced)

We are seeking an experienced RF Software Engineer to support the design, development, implementation, and optimization of advanced Radio Frequency (RF) and Digital Signal Processing (DSP) software solutions for mission-critical government systems. This role involves developing and enhancing software algorithms, integrating existing technologies, and collaborating with multidisciplinary engineering teams to deliver innovative solutions supporting complex government mission requirements.

VTG.

RF Software Engineer

We engineer complex, integrated solutions that combine cutting-edge AI technologies with emerging systems-of-systems to solve some of the most difficult challenges in the defense and aerospace industries. TheIncLab engineers and delivers intelligent digital applications and platforms that revolutionize how our customers and mission-critical teams achieve success.

TheIncLab

Software Engineer II

Drive integration and quality: Lead design reviews, code reviews, integration activities, testing, customer demonstrations, and release readiness; ensure reliability, security, maintainability, and performance. Technical delivery leadership: Experience leading software development efforts or major workstreams involving applications, services, distributed systems, data platforms, or related domains.

Lead Software Engineer

This role owns the architecture and end-to-end delivery of a three-layer geospatial (Esri ArcGIS), work-management, and agentic-AI platform, operating as part of a small, AI-native engineering team in which each engineer is equipped with AI coding tools as a force-multiplier rather than a side tool. The position requires performing a wide range of responsibilities related to software architecture, full-stack development, cloud infrastructure, data and system integration, security, and production support for enterprise applications that serve the Firm's highway and infrastructure maintenance operations.

Software Engineer Jobs in Rockville, MD

Mid-Level Software Engineer Leidos

Full Stack Software Engineer Johns Hopkins Applied Physics Laboratory

Software Engineer III ICI Services Corp

Software Engineer - Level 2 BAE Systems Plc

Cyber Software Engineer III DP Professionals

Full Stack Software Engineer Redhorse Corporation

Software Engineer IV ICI Services Corp

Senior Software Engineer ClearEdge

Senior Staff Software Engineer - Rendering & Delivery, MediaOS WP Company LLC

Actionet, Inc. Careers - Senior Software Engineer ActioNet, Inc.

Software Engineer 2 - Python/Kotlin/Java/Terraform/Elasticsearch/Opensearch/AWS Captivation Software

Senior Software Engineer- full stack Java REI Systems

Software Developer/Engineer Avalore, LLC

Experienced Software Engineer Intelliforce-IT Solutions Group

Java Software Engineer (Associate/Experienced) Boeing

RF Software Engineer VTG.

Software Engineer II TheIncLab

Lead Software Engineer STR

Software Engineer III TheIncLab

Lead Software Engineer ROY Jorgensen Associates Inc

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