Mid Level Developer Jobs in Washington, DC

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521 - 540 of 2,331 Jobs

Senior Firewall Engineer

SAIC

•

Quantico, Virginia, USA

Full-time

Job ID: 2507101 Location: QUANTICO, VA, US Date Posted: 2025-07-02 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: No Description Introduction: Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capa
Posted 13 days ago | Updated moments ago

Lead Cybersecurity Engineer

Zachary Piper Solutions, LLC

•

Remote

Full-time

Piper Companies is seeking a Lead Cybersecurity Engineer to join a cutting-edge decision science security organization. The Lead Cybersecurity Engineer will be responsible for designing robust cybersecurity measures and access management solutions to protect the organization's systems and data. Responsibilities of the Lead Cybersecurity Engineer include: Design robust cybersecurity measures and access management solutions to protect the organization's systems and data. Lead the implementatio
Posted 30 days ago | Updated 29 days ago

Senior Software Engineer

Booz Allen Hamilton

•

Remote

Full-time

Job Number: R0221087 Software Engineer, Senior The Opportunity: We're looking for a passionate Senior Full-Stack Software Engineer to work with a fast-paced, highly collaborative software development team building and launching capability for Enterprise web-based systems in the Cybersecurity field. You'll have the opportunity to work on building a web-based SaaS solution automating Cybersecurity Risk Management and Vulnerability or Configuration Monitoring. You'll be responsible for breaking do
Posted 33 days ago | Updated 3 hours ago

FPGA Hardware Engineer

Leidos

•

Linthicum Heights, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a FPGA Hardware Designer Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Active TS/SCI with a polygraph is required. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11
Posted 18 days ago | Updated moments ago

Software Engineer

Tavant

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Remote

Contract

Hello, Greeting from Tavant. please find the job description below and let me know your interest to submit. Role: Software Engineer Location: Remote 3 experienced engineers (likely senior level) to contribute to backend development. The ideal candidates should: 7+ years of development experienceFamiliarity with Flask (for building APIs), PostgreSQL, Redis, and Google Cloud (Google Cloud Platform)Node jsReactCybersecurity experience preferred
Easy Apply
Posted 7 days ago

Senior OIC Developer

KPG 99 Inc.

•

Remote or US

Contract, Third Party

Job Title: Senior OIC Developer Job Term: Contract Duration: Long Term, 6 months to start Location: Remote Work Work hours 8-5 or 9-6 EST Job Description: SCOPE of WORK: As part of this project, our client is replacing JDE Financials & Supply Chain with Oracle ERP Cloud. As part of this program, existing integrations with multiple internal/external applications need to be re-developed utilizing OIC to integrate with the new ERP system. Seeking a Senior OIC developer to engage in technical integ
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Posted 30 days ago | Updated 2 hours ago

Senior Security Managger

American Association Of Motor Vehicle Admin.

•

Arlington, Virginia, USA

Full-time

Position Summary: The Security team is organized around three pillars: Security Engineering & Operations, Security Architecture, and Governance, Risk & Compliance (GRC). The Sr. Manager Security is responsible for all the activities carried by the Security Engineering & Operations team. In that capacity, the Sr. Manager works in close partnership with the Manager of GRC and the Architecture team to identify, design, implement, and maintain processes and technologies across the enterprise, to re
Posted 60+ days ago | Updated moments ago

Senior Security Engineer, Sailpoint Development Team Lead - IAM

Marriott International

•

Bethesda, Maryland, USA

Full-time

Job Description JOB SUMMARY: We are seeking an experienced and motivated Sr. Engineer to lead the Sailpoint development for our dynamic IAM team. The incumbent will play a pivotal role in guiding our development team to deliver high-quality software solution and will utilize their deep understanding of SailPoint Identity IQ, IGA best practices to delivery on complex IGA projects. This position requires a combination of technical expertise, leadership skills, and project management capabilities
Posted 14 hours ago | Updated 3 hours ago

Senior Engineer / Analyst for ISRT & BMC2 Applications

Johns Hopkins University AppliedPhysicsLaboratory

•

Laurel, Maryland, USA

Full-time

Description Do you enjoy leading teams, mentoring staff, and guiding complex technology development efforts and analyses? Are you interested in researching, developing, and analyzing innovative ways to produce impactful information from many different types of sensors and sources of data? Do you want to advance US defense capabilities in Intelligence, Surveillance, Reconnaissance, and Targeting (ISRT) or Battle Management Command and Control (BMC2)? If so, we're looking for someone like you
Posted 60+ days ago | Updated 3 hours ago

Senior System Engineer

Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0219964 System Engineer, Senior The Opportunity: Are you looking for an opportunity to combine your te chn ical skills with big-picture thi nk ing to make an impact on national security? As a systems engineer on our team, you'll provide networking, fabrication, security, lab, and deployment support by delivering engineering solutions for network configurations, deployment loading of sof tware, and patching and troubleshooting deployed sof tware and hardware on a variety of servers
Posted 58 days ago | Updated 3 hours ago

Senior Test Engineer

Leidos

•

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Test Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting,
Posted 18 days ago | Updated 3 hours ago

Senior Systems Engineer, Global Lodging Products

Marriott International

•

Bethesda, Maryland, USA

Full-time

Job Description JOB SUMMARY Marriott International is seeking a highly engaged and motivated Senior Systems Engineer to join a high-performing and nimble application development team. The Senior Engineer will be responsible for designing, developing, and implementing enterprise-level web applications using React, TypeScript, and Node.js in an ecosystem that includes databases, content and document management systems, AI-powered NLP search engine, and the AWS suite of services. This individual
Posted 31 days ago | Updated 3 hours ago

Software Developer (Senior)

American Systems Corporation

•

Springfield, 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 Conducts research in design, development, testing and utilization of electronic data processing software.Designs, develops, documents, tests and debugs applications software and systems that contain logical and
Posted 60+ days ago | Updated 3 hours ago

Senior Plant Engineer

GE Vernova

•

Remote

Full-time

Job Description Summary The Senior Plant Engineer is the plant engineering representative at the launch of all projects and will control the technical execution of the project through closeout. The Sr Plant Engineer is accountable to lead other engineers to define plant solutions & tools and to support proposal tender offerings and project execution. The Senior Plant Engineer will also serve as technical mentor resolving conflicts and certifying finished engineering products as proper and correc
Posted 4 days ago | Updated 3 hours ago

Senior Advanced Engineer- IPT Lead

General Dynamics

•

Herndon, Virginia, USA

Full-time

Basic Qualifications Education Requirements: Requires a Bachelor's degree in Mechanical Engineering, or a related Science, Engineering or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. Clearance Requirements: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for acces
Posted 60+ days ago | Updated 3 hours ago

Software Developer

Metrea Management, LLC

•

Maryland, USA

Full-time

Company Overview Metrea is a defense company dedicated to translating commercial innovation into solutions for the hardest problems in national security. With deep mission expertise, Metrea focuses on delivering effects-as-a-service across Aerospace, Electromagnetic & Cyber, Digital & Synthetic domains via its capability groups. Metrea also consists of six support groups (Operations, People, Finance, Legal, Strategy and Solutions) that guide the development of specific capabilities that Metrea's
Posted 14 days ago | Updated moments ago

Lead Engineer / Fullstack / Java / Payments

Motion Recruitment Partners, LLC

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Remote

Full-time

A well-known retail company is looking for a Lead Fullstack Engineer to help build a new internal platform for pricing and promotions. It's a tech-forward team where engineers help drive decisions, and most of the work is focused on new product development and features. You'll work with Java/Kotlin, Spring Boot, Angular, and PostgreSQL, while also mentoring others and shaping how the team builds software. The org is led by a former SaaS engineer with a clear vision to build a world-class IT shop
Easy Apply
Posted 7 days ago | Updated 11 hours ago

Remote- SAP Lead ABAP Developer

E-Solutions, Inc.

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Remote or Jackson, Mississippi, USA

Contract, Third Party

Hi, I am Tarun and I work as a Manager at E-Solutions, I'm doing a search for a client who has an urgent requirement SAP ABAP Lead Developer contract opportunity. Job Title: SAP Lead ABAP Developer Location: 100% Remote Project Duration: 07/01/2025 07/01/2030 Contract Type: Long-term Contract Position Overview We are seeking an experienced SAP Lead ABAP Developer to lead a team of developers and support the enhancement and integration of a large-scale government SAP system. This position involv
Easy Apply
Posted 43 days ago | Updated 1 hour ago

Information Technology - Developer-Full Stack Senior

Genesis10

•

McLean, Virginia, USA

Full-time

Genesis10 is currently seeking an Information Technology - Developer-Full Stack Senior with our mortgage loan corporation client in their McLean, VA location. This is a 3-month contract and full-time onsite position. Summary: We are seeking a highly skilled and experienced Senior Full Stack Developer with expertise in Angular and Java. The ideal candidate will have over 5 years of professional development experience and a strong understanding of both front-end and back-end technologies. Additio
Easy Apply
Posted 3 hours ago

Senior Software Engineer

Circles Inc.

•

Remote or San Francisco, California, USA

Full-time

Circle is a financial technology company at the epicenter of the emerging internet of money, where value can finally travel like other digital data - globally, nearly instantly and less expensively than legacy settlement systems. This ground-breaking new internet layer opens up previously unimaginable possibilities for payments, commerce and markets that can help raise global economic prosperity and enhance inclusion. Our infrastructure - including USDC, a blockchain-based dollar - helps busines
Posted 39 days ago | Updated 3 hours ago