software developer Jobs in washington

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Application Security Engineer

Kforce Technology Staffing

McLean, Virginia, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking an Application Security Engineer in McLean, VA. REQUIREMENTS: * High School diploma or GED * 6+ years of Information Technology experience * 3+ years of experience with supporting Static Application Security Testing (SAST), Dynamic Application Security Testing (DAST), and IDE Plug-in environments using Veracode and Burp Suite * 2+ years of experience with Java, Python, .NET, or C# * 3+ years of experience using the design and implementation

Lead Software Engineer

Motion Recruitment Partners, LLC

Washington, District of Columbia, USA

Full-time

Lead Software Engineer - Full-Time - Remote A national, mission-driven nonprofit is seeking a Lead Software Engineer to join their Technology Team in a full-time, remote capacity. This is an opportunity to work with cutting-edge tools and platforms such as Java, Spring Boot, ReactJS, AWS GovCloud, Docker, and more. Why This Role Is Special You'll not only lead engineering efforts, but you'll also lead meaningful change. The organization is looking for a well-rounded technologist with a passion

Modernization Accelerator: May-June Hiring Alerts; Software Engineers

Lockheed Martin Corporation

Annapolis, Maryland, USA

Full-time

Job Description What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, y

Junior Modeling and Simulation Engineer

Modern Technology Solutions

Alexandria, Virginia, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI), is seeking a Junior Modeling and Simulation Engineer - Analyst to join our team. This position can be located in Alexandria, VA., Huntsville, AL., Colorado Springs, CO., or Dayton, OH. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge

Automated Test Engineer

Cymertek Corporation

Tysons, Virginia, USA

Full-time

Automated Test Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a detail-oriented and skilled Automated Test Engineer to join our team and play a crucial role in ensuring the quality and reliability of our software products. In this position, you will design, develop, and execute automated test scripts to identify defects, enhance test coverage, and improve the efficiency of the testing proce

Senior Lead Software Engineer, Full Stack (Bank Tech)

Capital One

McLean, Virginia, USA

Full-time

Senior Lead Software Engineer, Full Stack (Bank Tech) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking Back End Software Engineers who are passionate about marrying data with emerging technologi

Devops Engineer

Electronic Consulting Services, Inc (ECS Federal)

Quantico, Virginia, USA

Full-time

Job Description ECS is seeking a DevOps Engineer to work in Quantico, VA . Please Note: This position is contingent upon additional funding. ECS is seeking an experienced DevOps Engineer to supporting cutting-edge technology for law enforcement and scientific organizations. The DevOps Engineer will be responsible for the design, deployment, testing, certification, operations, patching, addressing interoperability issues, of DevSecOps infrastructure tools, including all operating systems, sup

.Net Sr Lead Developer - W2

Epis Data Inc

Washington, District of Columbia, USA

Contract

Role: .Net Sr Lead Developer Location: Washington, DC - Only Locals Duration: Long term Experience: 12 Years Note: Ex-Amtrak or Railroad or Transportation Domain Experience is needed Essential Duties & Responsibilities (Other duties may be assigned): Design, build, and maintain .Net applications, responsible for both front-end and back-end development.Conduct code reviews, provide feedback, and support team improvements.Write and maintain high-quality code, ensuring adherence to best practic

Signals Software Engineer

Cymertek Corporation

Reston, Virginia, USA

Full-time

Signals Software Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and innovative **Signals Software Engineer** to join our team and contribute to the development of advanced software solutions for signal processing and analysis. In this role, you will design, implement, and optimize algorithms and applications to process complex signal data. You will collaborate with cross-functional t

Platform Engineer and Golang SME

Booz Allen Hamilton

Chantilly, Virginia, USA

Full-time

Job Number: R0220497 Platform Engineer and Golang SME The Opportunity: As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for an experienced back-end developer with the sof tware engineering skills it takes to identify potential risks, contribute to solution development, and create efficient and effective systems for our clients. As a back-end developer at B

Chief Engineer

Leidos

Annapolis, Maryland, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. If this sounds like the kind of environment where you can thrive, keep reading! The Leidos National Security Sector

Ground Agile Software System Engineer

SAIC

Chantilly, Virginia, USA

Full-time

Job ID: 2507332 Location: CHANTILLY, VA, US Date Posted: 2025-07-09 Category: Engineering and Sciences Subcategory: Sys Integration Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description Join a winning team!! SAIC's Space and Intelligence Business Group is currently hiring to advance space capabilities supporting our Department of Defense (DOD)

Kubernetes Engineer

American Systems Corporation

Arlington, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities The Kubernetes Engineer will be standing up an enclave which will be a Red Hat environment utilizing Kubernetes for deploying and managing applications. They will be responsible for standing up the Kubernetes en

API Developer

Cymertek Corporation

Tysons, Virginia, USA

Full-time

API Developer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented API Developer to join our team and play a key role in designing, building, and maintaining robust APIs that power our applications and services. In this position, you will collaborate with cross-functional teams to create scalable, secure, and high-performance solutions that integrate seamlessly with various platforms and services.

Senior Software Engineer / Python / TypeScript

Motion Recruitment Partners, LLC

Washington, District of Columbia, USA

Full-time

A privately funded AI startup that is leveraging LLMs to streamline work flows and proposal approvals for US Government Agencies is hiring for a Senior Software Engineer to join their team. The startup has reached several million in annual recurring revenue within the last 2 years is hiring for several full stack engineers to the team. This position is full life cycle development where you will be owning your code from design, implementation and deployment. In this role you you will be building

Senior Principal Consultant - Security A&A Engineer (Clearance Required)

Oracle Corporation

Reston, Virginia, USA

Full-time

Job Description Must current hold and have the ability to maintain a TS/SCI with Poly. We are seeking a highly experienced and motivated Information Systems Security Analyst to join a new and exciting task order. The ideal candidate will play a critical role in assisting with driving all assessment & authorization (A&A) efforts for a new data platform. Working along side a team of technical engineers, this role requires both cybersecurity experience and technical saavy. In this role, you will

Java Software Engineer (Clearance Required)

Oracle Corporation

Reston, Virginia, USA

Full-time

Job Description Must currently hold and have the ability to maintain a TS/SCI with Poly. Oracle Government, Defense and Intelligence is seeking an experienced Java Software Engineering who has a broad understanding of Oracle-based solutions, industry best practices, and technology designs. A successful candidate will operate independently to provide quality work products to our customers. Performs complex duties and tasks that leverage domain expertise to implement Oracle products and technolo

Senior Software Integration Engineer (Onsite)

RTX Corporation

Sterling, Virginia, USA

Full-time

Date Posted: 2025-06-16 Country: United States of America Location: VA541: 22110 Pacific Blvd, Dulles 22110 Pacific Boulevard Building CC3, Sterling, VA, 20166-6913 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: TS/SCI Raytheon Company, Managed By Collins Aerospace. Collins Aerospace, an RTX company, is a leader in

Software Engineer

Leidos

Gaithersburg, Maryland, USA

Full-time

Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers' mission to defend against evolving threats around the world. Our team's focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets.

iOS Vulnerability Engineer (Software)

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

iOS Vulnerability Engineer (Software) LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a highly skilled and innovative iOS Vulnerability Engineer (Software) to join our team and help identify, analyze, and mitigate security vulnerabilities in iOS systems and applications. In this role, you will focus on uncovering potential threats, developing secure solutions, and ensuring the integrity of iOS pla