C jobs in District Of Columbia

Remote

•

Yesterday

Role: TAL C with Java Visa: USC Location: Remote accepted, but need 1989 below candidates only Role Summary: A TAL Developer with Java expertise typically works on HP Nonstop (Tandem) systems, especially in financial services or payment processing domains. Key Responsibilities: Develop, maintain, and optimize applications on Tandem systems using TAL and Java.Ensure high availability and fault tolerance in transaction processing systems.Collaborate with cross-functional teams to understand busin

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Contract

$60 - $65

Principal Software Engineer C/Linux/Oracle Expert

Remote

•

Today

We are seeking a highly experienced Software Architect with deep expertise in legacy modernization and cloud transformation. The ideal candidate has 15+ years of experience leading large-scale architecture initiatives, with strong technical acumen across C programming, Linux internals, Oracle databases, and AWS services. You ll play a key role in designing, modernizing, and integrating complex enterprise systems enabling scalability, reliability, and performance across critical platforms. Key Re

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Contract, Third Party

Depends on Experience

Software Architect with C Programming

Remote

•

Yesterday

Title : C Developer with AWS and Legacy Modernization Location : Remote Description 15+ years of experience in software architecture and solution design, with a focus on legacy modernization.Proven expertise in C, Linux internals, Oracle databases, and integration of monolithic applications.Strong hands-on experience in AWS services (EC2, S3, RDS, Lambda, Step Functions, Batch, IAM, Networking, Security).Experience designing active-active, multi-site architectures.Expertise in operating syste

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Contract, Third Party

Depends on Experience

Senior C/C++ Developer

Remote

•

Today

Job Title: Senior C/C++ Developer Location: Remote 12-15+ years of experience in software architecture and solution design, with a focus on legacy modernization. Proven expertise in C, Linux internals, Oracle databases, and integration of monolithic applications. Strong hands-on experience in AWS services (EC2, S3, RDS, Lambda, Step Functions, Batch, IAM, Networking, Security). Experience designing active-active, multi-site architectures. Expertise in operating system upgrades, porting, and com

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Third Party

Batch Developer with good exp in C

Remote

•

25d ago

Role: Batch Developer with good exp in C Location Required: Remote Skills: C /Pro C/UNIX/SQL. Job Summary Role is for a Batch Developer with good exp in C, Unix with very good hands-on experience using C, Pro C, Unix, SQL and able to program using these skills and perform unit testing, write unit test cases, capture unit test results. Should be able to trouble shoot production issues, Analyze and find out the solution Candidate with healthcare domain. Must have healthcare Payer experience for

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Third Party, Contract

$35 - $40

CSM ServiceNow Lead Developer - Hybrid - Reston, VA Contract to Hire

Hybrid in Reston, Virginia

•

Yesterday

Vega Consulting Solutions, Inc. is searching for several Senior ServiceNow CSM SME Engineer for 6 month Contract to hire opportunities with our direct client located Reston, VA. These positions are Hybrid based. We are staffing several ServiceNow consultants with experience working in various platforms such as CSM, ITOM, ITBM, and ITSM. Qualifications: ServiceNow modules CSM. ExpertServiceNow APIs and scripting (Business Rules, Client Scripts, etc.). ExpertMUST HAVR UIB UI BUILDERDesign, develo

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Contract

Up to $85

Staff Software Engineer - Mainframe, C/C++, Assembler (Onsite/Hybrid)

Remote or Austin, Texas

•

Today

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe

Full-time

USD 124,700.00 - 180,650.00 per year

Cyber Software Engineering Intern

Herndon, Virginia

•

Today

Job Description By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our em

Part-time

USD 29,598.00 - 64,168.00 per year

Principal Vulnerability Researcher

Arlington, Virginia

•

Today

We are seeking skilled Vulnerability Researchers to support the analysis of malicious software and development of mission-critical cyber capabilities. This role involves designing, building, and deploying tools across areas such as command-and-control, persistence, and networking. Required Skills: Requires an active Secret clearance or higher. Hands-on experience reverse engineering compiled programs (C/C++)Proficiency in common assembly languages (x86, x86-64, ARM)Strong scripting background (P

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Full-time

200k - 300k

Senior Software Engineer Multi-Cloud Expert

Hybrid in Arlington, Virginia

•

15d ago

Senior Software Engineer Multi-Cloud Expert (Remote | Top Secret Clearance) Location: Hybrid - Arlington, VA Clearance: Active Tops Secret (SCI Eligible) Why This Role is Exciting: Are you a seasoned software engineer ready to lead the architecture of next-generation cloud systems? Join a team where your expertise in multi-cloud engineering, automation, and DevSecOps will directly shape the security and efficiency of enterprise-grade solutions. This is a Subject Matter Expert (SME) role you ll h

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Full-time

$160,000 - $220,000

F-35 Systems Engineer

Arlington, Virginia

•

Today

Job Number: R0228088 F-35 Systems Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in national security? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications, makes you an integral part of delivering a customer focused engineering solution. As a leader in systems engineering, we're looking

Full-time

USD 86,800.00 - 198,000.00 per year

Senior Software Engineer

Falls Church, Virginia

•

Today

Senior Software Engineer (on-site) This Jobot Job is hosted by: Charles Simmons Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $150,000 - $200,000 per year A bit about us: Our client is a well-funded deep tech company headquartered in Northern Virginia, building a suite of autonomous software reliability and testing products. Their team is collaborative, highly technical, and customer focused. They prioritize the long-term in our structure

Full-time

USD 150,000.00 - 200,000.00 per year

Principal Vulnerability Researcher- 5 days onsite Arlington, VA

Arlington, Virginia

•

Today

Principal Vulnerability Researcher This company is seeking a Principal Vulnerability Researcher to lead efforts in analyzing and countering malicious software while developing mission-critical cyber capabilities. The ideal candidate will bring deep expertise in reverse engineering, tool development, and advanced exploitation techniques, with a focus on command and control, persistence, and networking. The company is located in Arlington, VA and will be 5 days onsite a week. Required Skills & Exp

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Full-time

100k - 130k

2026 Graduate - Physicist/Nuclear Engineer - Applied Chemistry and Physics

Laurel, Maryland

•

Today

Description Are you passionate about physics? Do you want to tackle tough problems, make real-world impact, and drive the future? If you are graduating with a degree in physics or nuclear engineering, and want to work on high-impact problems, we would love to have you join our team! We are seeking talented individuals to join a dedicated, multidisciplinary team of physicists, nuclear engineers, materials scientists, and chemists. At APL, you will work directly with experienced scientists and

Full-time

USD 85,000.00 per year

CNO Analyst/Engineer

Fort Meade, Maryland

•

Today

Overview SilverEdge Government Solutions is seeking a CNO Analyst/Engineer to perform digital operations and skillfully navigate the virtual battlefield to achieve strategic objectives. Role Responsibilities: Programming in Assembly, C/C++, Python, Assembly, using CNO tools and techniques.Developing network related programs (e.g., packet level).Expert ability in Unix and/or Windows low-level internals. Required Qualifications Requirements: A TS/SCI with Polygraph level clearanceBachelor's de

Full-time

USD 129,000.00 per year

Software developer

Washington, District of Columbia

•

2d ago

iQuasar, LLC is seeking to fill Software developer position in Washington, DC. At iQuasar, we strive to provide the next generation of cutting-edge technologies. Our growth means exciting career opportunities for talented professionals in engineering, software development, and other key areas. We offer competitive compensation and benefits including Health, Vision, and Dental Insurance, matching 401k plan, and other benefits given below, excellent training, and a vibrant working environment. Our

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Full-time

Depends on Experience

Senior Software Engineer

McLean, Virginia

•

Today

Design and implement the next big thing enabling engineers to automate reliability on large scale, distributed software systems . This Jobot Job is hosted by: Charles Simmons Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $140,000 - $215,000 per year A bit about us: This early stage software product startup has formed through the founders' decades of experience in technology leadership at the largest and most recognizable big tech companie

Full-time

USD 140,000.00 - 215,000.00 per year

CHRONOS OPERATIONS USCIS ZERO Trust Program Talent Pool

Washington, District of Columbia

•

Today

CHRONOS OPERATIONS USCIS ZERO Trust Program Talent Pool Washington, DC Information Technology Join our Talent Network Welcome to the CHRONOS OPERATIONS USCIS ZERO Trust Program Talent Network Page C-CHR-TP8 Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you seeking a career where professional development is embedded in your employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you

Full-time

2026 Internship - Cyber Engineer - Capabilities Development

Laurel, Maryland

•

Today

Description Are you passionate about learning how things work and making them better? Do you want the chance to push the boundaries of cyber defense? Are you excited about working with others to solve some of the nation's toughest cyber challenges? If you're pursuing a degree in computer science, engineering, mathematics or a cybersecurity-related field, we'd love to have you join our team! We are seeking an intern to help us pursue new and innovative ways to enhance our nation's cyber capa

Part-time

USD 22.60 per hour

Reverse Engineer and Offensive Cyber Developer

Laurel, Maryland

•

Today

Description Are you passionate about reverse engineering low-level software and/or hardware and developing sophisticated cyber tools? Do you love building cyber capabilities that move from concept to operational deployment? If so, we want you to join our group of offensive cyber experts! We seek experienced reverse engineers and developers who will build inventive cyber capabilities leveraging novel reverse engineering and exploitation techniques. We work in a dynamic, mission-driven environm

Full-time

USD 100,000.00 per year

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C jobs in Washington, DC, USA