Engineer I Jobs in District of Columbia

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Modernization Accelerator: August Hiring Alerts; Software Engineers

Lockheed Martin

Maryland, USA

Full-time

Job ID: 693185BR Date posted: Aug. 11, 2025 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 ener

Java/J2EE Senior Developer

Apex Systems

Tysons, Virginia, USA

Full-time

Job#: 2065154 Job Description: Job Description: Design, develop, and maintain Java-based applications to support the client's business operations.Collaborate with product managers, designers, and other stakeholders to understand user requirements and translate them into technical specifications.Ensure the performance, quality, and responsiveness of applications.Develop and implement microservices architecture to enhance application scalability and maintainability.Participate in code reviews, pr

Senior Software Developer Onsite Fort Meade, MD Active Security Clearance

SmoothStack

Fort Meade, Maryland, USA

Full-time

Interviewing/Hiring NOW Senior Software Developer with experience in multiple development languages and platforms Onsite Fort Meade, MD Active Security Clearance Required!

Java Full stack Developer with AWS

Hexaware Technologies, Inc

Reston, Virginia, USA

Full-time

Role : Java Full Stack Developer with AWS Location : Reston, VA Mandatory Skills:- Core Java, J2EE, AWS (EC2, ECS, SQS , SNS, AWS Lambda), Spring Boot, SQL, ava 8/11, strong Angular 4 and above version. At least 8+ years of Programming experience with Java, J2EE, XML, and Web Services.Must have experience in Spring Batch and SQL.Experience with Angular 4/5/6/8 development, Java script, CSS, HTML.Strong knowledge of Micro services, Spring, Spring Boot, Hibernate, Web services based on REST.Exper

Lead Cloud Incident Responder, SVP

Citi

Remote or Irving, Texas, USA

Full-time

About Citi: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemic

Senior C++ Developer

Infomatics Corp

Bethesda, Maryland, USA

Contract

Position: Senior C++ Developer Experience: Minimum 5 years Responsibilities: Design, develop, and maintain C++ applications and libraries.Collaborate with cross-functional teams to gather requirements and define software specifications.Optimize and refactor code to improve application performance and reliability.Develop and execute unit tests to ensure software quality.Debug and resolve issues related to memory, performance, and multi-threading.Document code and design processes for team referen

Java Developer

Accenture LLP

Washington, District of Columbia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

Cloud Developer

Accenture LLP

Washington, District of Columbia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

SAP BI Developer

Accenture LLP

Washington, District of Columbia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

AWS DevOps Engineer, Sr.

Accenture LLP

Washington, District of Columbia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

Senior Software and System Architect

NVIDIA Corporation

Remote or Santa Clara, California, USA

Full-time

NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for more than 25 years. It's a unique legacy of innovation that's fueled by great technology-and amazing people. NVIDIA is looking for an experienced Senior Software and System Architect to join our Networking Software Architecture group. Nvidia's Architecture group consists of world-class architects responsible for crafting the next generation state-of-the-art architecture for our DPUs & NICs technologies. The

Full Stack Developer / Lead (.NET or Java) with AI Integration (Full Time_Onsite)

Serigor

Columbia, Maryland, USA

Full-time

Job Title: Full Stack Developer / Lead (.NET or Java) with AI Integration Location: Columbia, MD (Onsite) Job Type: Full-Time Experience Level: 10+ Years (including leadership and AI integration exposure) Job Summary: We are seeking a Full Stack Developer / Lead with deep experience in either .NET or Java back-end technologies and a strong command of modern front-end development. This role requires a hands-on leader who can design and deliver full stack enterprise applications and seamlessly i

Full Stack Developer

Base-2 Solutions, LLC

Chantilly, Virginia, USA

Full-time

Job Description Base-2 Solutions is seeking a skilled Full Stack Developer to support our Robotic Process Automation (RPA) and Business Process Improvement services. This role will involve working closely with cross-functional teams to deliver innovative automation solutions, manage customer relationships, and drive change management initiatives. The successful candidate will have a strong technical background, exceptional communication skills, and the ability to guide projects from initial enga

Enterprise Quality Assurance Lead

Leidos

Chantilly, Virginia, USA

Full-time

Description Are you an organized and detail-oriented professional with a passion for safeguarding the integrity of critical systems? Are you ready to take on a role where your expertise will make a critical impact? The Multi-Domain Solutions (MDS) division is seeking a Enterprise Quality Control Lead responsibilities include, but are not limited to, development, implementation, and maintenance of Quality Control Plan (CDRL A027); program quality control to ensure work performed under the contr

Junior Software Developer - CBP public trust or Top secret preferred

General Dynamics

Ashburn, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Other Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: Software Development Job Qualifications: Skills: Certifications: None Experience: ship Required: Yes Job Description: Deliver simple solutions to complex problems as a Software Developer Associate at GDIT. Here, you'll tailor cutting-edge solutions to the unique requirements of our clients. With a career in appl

Senior Devops Engineer (US Federal)

Workday, Inc.

McLean, Virginia, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h

Dot.Net Sr Lead Developer min 12Yrs Ex Amtrak or Rail road or transportations domain Experience Mandatory

Pioneer Corporate Services Inc

Washington, District of Columbia, USA

Contract

Dot.Net Sr Lead Developer (two positions) Washington, DC Long term Note: Ex Amtrak resources highly preferred or candidates from Rail road or transportations domain experience 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 maintainhigh-quality code, ensuring adherence to best practices.Writ

Full Stack Java Developer (Java, postgresql, aws) -- Ashburn, VA ( Hybrid )

Protos IT

Ashburn, Virginia, USA

Contract

title: Full Stack Java Developer Location: Ashburn, VA ( Hybrid ) duration: 6 months, Possibility of extension, Potential to convert FTE Security clearance: Public trust / Any higher clearance (active/ Inactive) seeking a strong applications developer :: Must haves: Experience in Java Experience working with PostgreSQL and AWS. The position is focused on delivering performance-based IT services and repeatable solutions. Our team is looking for a developer that can support applications in a cl

Junior Software Developer - CBP public trust or Top secret preferred

General Dynamics Information Technology

Ashburn, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Other Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: Software Development Job Qualifications: Skills: Certifications: None Experience: ship Required: Yes Job Description: Deliver simple solutions to complex problems as a Software Developer Associate at GDIT. Here, you'll tailor cutting-edge solutions to the unique requirements of our clients. With a career in app

Java Developer - CBP public trust or Top secret preferred

General Dynamics Information Technology

Ashburn, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Other Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: Software Development Job Qualifications: Skills: Java, Spring Boot, Web Services Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Deliver simple solutions to complex problems as a Software Developer Associate at GDIT. Here, you'll tailor cutting-edge solutions t