Windows API jobs in Washington

Arlington, Virginia

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Today

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations who desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include digital transformation, software development, cloud migration, applications & infrastructure, cy

Full-time

USD 60,000.00 per year

Senior Malware Reverse Engineer

Fort Meade, Maryland

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Today

Job Number: R0233341 Malware Reverse Engineer, Senior The Opportunity: Do you enjoy the thrill of the hunt? Are you motivated by the head-to-head challenge of gaining access to well-protected networks? As a network exploitation professional, you know that understanding the adversaries' tactics, techniques, and procedures are cru cia l to producing the intel that enables the success of mission owners. At Booz Allen, you can apply your vulnerability analysis, network mapping, exploitation, defens

Full-time

USD 86,900.00 - 198,000.00 per year

SME Oracle APEX Developer

Washington, District of Columbia

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2d ago

Job Title: SME Oracle APEX Developer Location: Washington, DC (on-site) Clearance: Public Trust Compensation: $89.50-$110.00/HR on W2 System One is hiring a SME Oracle APEX Developer to support a government contract. The ideal candidate will be personable and articulate and will focus on making sure that the customers needs are met quickly and effectively. The successful candidate will be a self-starter who can work with limited supervision. Excellent communication skills are required to effect

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Third Party, Contract

$89.5

Red Team Senior Software Developer

Fort Belvoir, Virginia

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Today

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible. Job Description: Parsons is looking for an amazingly talented Red Team Senior Software

Full-time

USD 148,300.00 - 266,900.00 per year

Red Team Senior Software Engineer

Fort Belvoir, Virginia

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Today

Full-time

USD 148,300.00 - 266,900.00 per year

Senior Software Engineer, Windows/Desktop Applications - Georgetown, USA

Washington, District of Columbia

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Today

Mission The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify's text-to-speech products to turn whatever they're reading - PDFs, books, Google Docs, news articles, websites - into audio, so they can read faster, read more, and remember more. Speechify's text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and

Full-time

USD 140,000.00 - 200,000.00 per year

Principal Software Engineer - Strategic Defense Solutions (Onsite)

Sterling, Virginia

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Today

Date Posted: 2026-03-09 Country: United States of America Location: US-VA-STERLING-291 ~ 22640 Davis Dr ~ DAVIS 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 Type: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 Principal Software Engineer - Strategic Defense Solutions (Onsite) Ro

Full-time

USD 118,300.00 per year

.Net Software Engineer

Remote

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15d ago

Senior .Net/Angular Developer (Remote | TypeScript Focus) Job Type: Direct Hire Location: 100% Remote (U.S.) Travel: Occasional in-person planning sessions (12x per quarter) Start Date: ASAP Compensation: 135k Overview: Were seeking a Senior Angular Developer to help build and scale a modern, high-traffic web platform. This is a frontend-first role, with approximately 75% of the work focused on Angular and TypeScript. Youll own frontend design and development while working within a collaborativ

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Full-time

$175000

Sr. Identity and Access Management (ICAM) Engineer

Rockville, Maryland

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Today

Leidos Dig Mod Health IT division is seeking an expert-level Senior Microsoft Identity Engineer to lead complex identity management solutions for large-scale government digital transformation initiatives. The ideal candidate will have deep expertise in Microsoft identity technologies and a proven track record of implementing advanced enterprise-level identity solutions. Candidate MUST: Be a or US Person who has lived in the United States for at least three consecutive years and have the abili

Full-time

USD 107,900.00 - 195,050.00 per year

Cloud and Platform Engineering Manager

Rockville, Maryland

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Today

Leidos' Dig Mod Health IT division is looking for an experienced Cloud and Platform Engineering Manager to support a major IT services project at Health Human & Human Services (HHS) in Rockville, MD. The Cloud and Platform Engineering Manager will lead and oversee engineering teams focused on M365/Azure environments, endpoint device management, unified communications platforms, mobile device solutions, and AI technology integration. They will manage the daily operations of the endpoint engineer

Full-time

USD 131,300.00 - 237,350.00 per year

Cybersecurity Engineer Principal

Herndon, Virginia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: Cyber and IT Risk Management Job Qualifications: Skills: Authentication Protocols, Cybersecurity, Identity Access Management (IAM), IT Automation, Okta Identity Management Certifications: None Experience: 8 + years of related experience ship Required: No Job Description: Apply your expertise to advance the mission and optimiz

Full-time

USD 142,792.00 - 166,750.00 per year

Network Security Engineer (SASE/ZTNA)

Falls Church, Virginia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: NACI (T1) Job Family: Cyber and IT Risk Management Job Qualifications: Skills: Netskope, Netskope Security Cloud, Zero Trust Certifications: None Experience: 7 + years of related experience ship Required: No Job Description: Network Security Engineer - SASE / ZTNA / SD WAN / Cloud Security We are hiring a Network Security Engineer with stron

Full-time

USD 81,600.00 - 110,400.00 per year

Penetration Tester (Web Application and Infrastructure)

Arlington, Virginia

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2d ago

{"description": "Our Deloitte Cyber team understands the unique challenges and opportunities businesses face in cybersecurity. Join our team to deliver powerful solutions to help our clients navigate the ever-changing threat landscape. Through powerful solutions and managed services that simplify complexity, we enable our clients to operate with resilience, grow with confidence, and proactively manage to secure success. Work You'll Do Engagement scoping & planning: Partner with stakeholders to

Full-time

USD 327,249.00 per year

Software Developer, Senior

Arlington, Virginia

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Today

Overview The Software Developer, Senior is responsible for full stack development on the Windows platform with experience in Project Management and Agile methodologies. This position involves interacting with project stakeholders and designing solutions to meet their needs. This position aligns with Cayuse's core values of Innovation, Excellence, Collaboration, Adaptability, and Integrity by fostering technical solutions that meet customer needs, promoting teamwork, and prioritizing quality in

Full-time

Depends on Experience

Cloud Engineer (AWS)

Arlington, Virginia

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Today

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 within global Accenture. Recognized as a Glassdoor Top 100 Best Place to

Full-time

USD 78,600.00 - 160,200.00 per year

Full Stack Developer - TS/SCI with Polygraph Required

Washington, District of Columbia

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Today

Overview LMI is currently seeking a qualified Full Stack Developer in support of our Defense Intelligence client in Washington, D.C. The ideal candidate will bring experience in multiple development technologies and methodologies as well as strong process transformation skills to enhance the team's capabilities. Relevant experience for this role may include any or all the following: software development, cloud engineering, management consulting, implementing software code, and debugging technic

Contract

USD 165,000.00 - 185,000.00 per year

GenAI Engineer

Washington, District of Columbia

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Today

Full-time

USD 98,500.00 - 184,900.00 per year

Test Engineer (Secret Clearance Required)

Fairfax, Virginia

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2d ago

Test Engineer Secret Clearance Required Client: Department of Defense POP: 12+ months Location: Fairfax, VA; must be able to go to DC 1-2 times per week with Secret Clearance SCOPE The Test Automation Engineer is responsible for designing, developing, and maintaining automated testing frameworks that ensure the quality, reliability, and performance of DoD mission-critical applications. Position requires handson experience with modern automation tools, strong scripting and programming skills, a

Easy Apply

Contract

Up to $55

Cleared GenAI Engineer

Washington, District of Columbia

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Today

Full-time

USD 98,500.00 - 184,900.00 per year

Senior Windows Sustaining Engineer (Kernel/Mode Development)

Remote

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15d ago

We are unable to sponsor as this is a permanent full-time role Fully Remote A prestigious company is looking for a Senior Windows Sustaining Engineer. This engineer will focus on kernel-mode and user-mode code development. This role requires experience with the following: C++, Win32 APIS, NT kernel internals, Windows NT, Rust, and SQL statements. Responsibilities: Develops prototypes for new featuresContributes to functional specifications and project plans for new product featuresWrites high qu

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Full-time

$180,000 - $220,000

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Windows API jobs in Washington, DC, USA