senior software engineer Jobs in washington

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Senior Software Engineer-TS/SCI with Poly

CACI International, Inc.

•

Sterling, Virginia, USA

Full-time

Senior Software Engineer-TS/SCI with Poly Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US Anticipated Posting End: 9/29/2025 The Opportunity: We're looking for a TS/SCI with Poly cleared talented Senior Software Engineer to join our innovative team developing next-generation mission management systems. You'll be at the forefront of cloud
Posted 24 days ago | Updated 22 days ago

Senior Software Engineer - 25k Sign on Bonus

Leidos

•

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Sr. Software 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 19 days ago | Updated 6 hours ago

AdmitIT Senior Software Engineer

CACI International, Inc.

•

Maryland, USA

Full-time

AdmitIT Senior Software Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * CACI as a Prime Contractor on MW Bridge. All positions in the Hanover, MD area. MW Bridge develops and supports Identity, Credential and Access Management (ICAM) capabilities for the enterprise and stand-alone deployment throughout the IC. Tasks include pr
Posted 37 days ago | Updated 22 days ago

Sr. Software Engineer (C++ AND Golang) On-site, Chicago, IL or Reston, VA

Comcast Corporation

•

Reston, Virginia, USA

Full-time

FreeWheel, a Comcast company, provides comprehensive ad platforms for publishers, advertisers, and media buyers. Powered by premium video content, robust data, and advanced technology, we're making it easier for buyers and sellers to transact across all screens, data types, and sales channels. As a global company, we have offices in nine countries and can insert advertisements around the world. Job Summary As a pivotal member of the Core Engineering team, the Software Engineer 4 will be responsi
Posted 22 hours ago | Updated moments ago

Senior Software Engineer

Leidos

•

Arlington, Virginia, USA

Full-time

Leidos currently has an exciting opportunity for a Senior Software Engineer to perform design, development, and hardware/software integration in Arlington, VA for the Electronic Warfare Division. Our division primarily focuses on research & development and advanced prototyping, transforming state of the art signal processing algorithms into real-time software systems. Projects involve small multi-disciplinary teams of engineers working together in spiral or agile development environments to me
Posted 60+ days ago | Updated 6 hours ago

Senior Software Engineer, Strategic Infrastructure - Advanced Networking & Comms

Aduril Industries

•

Washington, District of Columbia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 52 days ago | Updated 6 hours ago

Senior Software Engineer

Parsons Services Company

•

Centreville, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for an amazingly talented Senior Software Engineer to join our te
Posted 60+ days ago | Updated 6 hours ago

Senior Software Engineer

BlueHalo

•

Annapolis, Maryland, USA

Full-time

Joining the BlueHalo, an AV Company team means immersing yourself in a dynamic environment, working alongside the brightest minds in technology through some of the toughest challenges facing our nation today. We are spearheading the future of global defense, with every BlueHalo, an AV Company, employee playing a key role in our success. That's why our investment in you goes beyond competitive pay and a rewarding benefits package. We're committed to providing our people with the best opportunitie
Posted 43 days ago | Updated 7 hours ago

Senior Software Engineer

Base-2 Solutions, LLC

•

Fort Meade, Maryland, USA

Full-time

Annual Salary Range: $180,000 to $220,000 with Full Benefits to include Health/Dental/Vision and PTO. Description: Base-2 Solutions is looking for a top-notch software engineer to join our team. We are driven to solve challenging customer problems by leveraging innovative technical solutions. Our software engineers develop the next-generation technologies that drive decision making and impact our national defense. We're looking for engineers who bring fresh ideas from all areas, including inform
Posted 60+ days ago | Updated 7 hours ago

Senior Software Engineer III EDS

Lawrence Ash

•

Remote

Contract

Please find the below JD: Title- Senior Software Engineer EDS Location- USA (Remote) Type of Hire- 6 Months CTH Experience: 10+ Years Visa: or or H1 Transfer Job Summary: We are seeking a Senior Software Engineer with 10+ years experience to play a key role in designing, developing, and maintaining our Core 2U Platform. This role involves working with Python, React, Node.js, and cloud-native technologies such as AWS Lambda, Step Functions, DynamoDB, Kubernetes, and DevOps tools. The ideal candi
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Posted 20 days ago

Senior Software Engineer

Leidos

•

Annapolis, Maryland, USA

Full-time

The Software Engineer will perform software development lifecycle (SDLC) activities as a member of an Agile development team building a large complex enterprise system. Development includes the full range of turning Agile user stories into implementable concepts, through development, unit testing, integration and test, and deployment of the new capabilities for the large complex enterprise system. Following the Behavior-driven Development (BDD) pattern, developers are responsible for implementin
Posted 43 days ago | Updated 6 hours ago

Senior Software Engineer

Peraton

•

Linthicum Heights, Maryland, USA

Full-time

Responsibilities Uses education and experience to design develop, code, test, and debug software utilizing C#, Java, Python and/or PHP languages. Experience architecting, implementing, and deploying cloud native solutions. Supports moving existing applications to cloud environments. Works with product owner, project manager, and software engineers to interpret requirements, design solutions, and implement code to meet system performance goals. Writes, tests, and documents error-proof code. Supp
Posted 45 days ago | Updated 22 days ago

Senior Software Engineer - CTJ -POLY

Microsoft Corporation

•

Reston, Virginia, USA

Full-time

The Microsoft Security organization accelerates Microsoft's mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers' heterogeneous environments, as well as ensuring the security of our own internal estate. Security represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer pl
Posted 60+ days ago | Updated 6 hours ago

Senior Software Engineer (Angular & AWS)

Software Guidance & Assistance

•

Rockville, Maryland, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Senior Full Stack Developer (Angular & Java) for a Contract assignment with one of our premier Regulatory clients in Rockville, MD. This position is hybrid (2 days/week onsite) Responsibilities : - Design, develop, and deploy cloud-based applications using AWS services (e.g., EC2, S3, Lambda, RDS, etc.). - Write high-quality, maintainable code in Java and Python, adhering to best practices and engineering standards. - Take
Posted 60+ days ago | Updated 5 hours ago

Sr. Software Engineer

Lockheed Martin Corporation

•

Remote or Herndon, Virginia, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 60+ days ago | Updated 6 hours ago

Senior Software Engineer, Intelligence Systems

Aduril Industries

•

Reston, Virginia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 60+ days ago | Updated 6 hours ago

Sr. Software Engineer TS/SCI Polygraph

Leidos

•

Annapolis, Maryland, USA

Full-time

Leidos has an exciting opportunity for a Sr. Software Engineer! *Must have an active TS/SCI Polygraph up front. No exceptions.* You will perform software development lifecycle (SDLC) activities as both an individual and a member of our top-notch agile development team building a large complex enterprise system. Development includes the full range of turning Agile user stories into implementable concepts, through development, unit testing, integration and test, and deployment of the new capabili
Posted 35 days ago | Updated 6 hours ago

Senior Software Engineer

Base-2 Solutions, LLC

•

Maryland, USA

Full-time

Annual Salary Range: $180,000 to $220,000 with Full Benefits to include Health/Dental/Vision and PTO. Description: Base-2 Solutions is looking for a top-notch software engineer to join our team. We are driven to solve challenging customer problems by leveraging innovative technical solutions. Our software engineers develop the next-generation technologies that drive decision making and impact our national defense. We're looking for engineers who bring fresh ideas from all areas, including inform
Posted 60+ days ago | Updated 7 hours ago

Senior Software Engineer (Python)

CACI International, Inc.

•

Linthicum Heights, Maryland, USA

Full-time

Senior Software Engineer (Python) Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * CACI is seeking an exceptional Senior Software Engineer to join our elite team in Linthicum, Maryland. As part of the innovative NINJA HIGHWAY program, you'll play a pivotal role in strengthening U.S. intelligence and national security systems through cutting-edge d
Posted 59 days ago | Updated 22 days ago

Senior Software Engineer- Fully Cleared

BlueHalo

•

Annapolis, Maryland, USA

Full-time

BlueHalo, an AV Company, is a leader in advanced engineering and technology solutions for the defense, space, cyber, and intelligence sectors. Our commitment to innovation drives our mission to deliver breakthrough capabilities and cutting-edge technologies that keep those who operate on the frontlines safe and successful in their endeavors. Join BlueHalo, an AV Company, to be part of a culture that values pioneering solutions and a collaborative environment that fosters growth and innovation.
Posted 55 days ago | Updated 7 hours ago