Software Engineer (SWE) - Senior
Spear AI
Software Development Lead
Spear AI is a growing defense contracting company dedicated to delivering cutting-edge solutions that support our nation's security. As we expand, we're building a culture where innovation meets mission-critical work. We operate with a flat organizational structure that empowers every team member to make an impact, collaborate directly with leadership, and contribute to projects that matter. Whether you're joining our Hardware, Software, or Services division, you'll work alongside talented professionals who are committed to excellence and advancing the capabilities that keep our nation safe and secure.
Leads software development initiatives for enterprise AI platforms, providing technical leadership and architectural guidance while delivering high-quality, scalable software solutions. Opportunity to work on real-world projects that directly impact warfighter capabilities and mission success.
Key Responsibilities:
- Lead design and implementation of complex software systems and architectures
- Provide technical mentorship and guidance to junior developers
- Establish coding standards, best practices, and development processes
- Drive technical decision-making and technology selection
- Collaborate with cross-functional teams on system integration and optimization
- Lead code reviews and ensure software quality and security standards
- Develop and maintain technical documentation and system specifications
- Identify and implement performance optimizations and scalability improvements
Qualifications:
- 10+ years of software development experience with leadership responsibilities
- Active TS/SCI clearance with ability to obtain CI Polygraph
- Expertise in multiple programming languages and technology stacks
- Strong understanding of software architecture patterns and system design
- Experience with cloud-native development and containerization
- Proven track record of leading technical teams and mentoring developers
- Deep knowledge of security best practices and performance optimization
- AWS experience highly preferred but not required
- Military experience strongly preferred
What We Offer:
- Unlimited PTO – Take the time you need to recharge and maintain work-life balance
- Dedicated Sick Time – Your health and wellbeing come first
- Comprehensive Health & Benefits – Medical, dental, and vision coverage to keep you and your family protected
- 11 Paid Holidays – Enjoy time off throughout the year to celebrate and spend with loved ones
- Professional Development – Educational opportunities and resources to help you grow your skills and advance your career
- Collaborative Environment – Work directly with leadership in our flat organizational structure where your ideas and contributions matter
- Mission-Driven Work – Contribute to projects that directly support national security and make a real-world impact
- Growth Opportunities – Join us during an exciting expansion phase where you can help shape our future
Additional Benefit Opportunities when you choose Spear AI
- 401(k) with company match
- Onsite / Remote / Flexible work arrangements or hybrid options (position dependent)
- Relocation assistance (position dependent)
- Referral bonuses
- Performance bonuses
- Life insurance and disability coverage
- Technology home office setup stipend
- Professional certification reimbursement
We offer competitive compensation tailored to your experience, location, and the impact you'll make. We're committed to equitable pay and will share a range aligned to your level and geography during the hiring process. In accordance with state law, candidates in jurisdictions such as CA, CO, WA, NY, and others where applicable, will be provided a good-faith salary range upon request and through the hiring process.
This is a full-time, exempt position under the Fair Labor Standards Act (FLSA), and is not eligible for overtime pay. Compensation for this position is provided on a salaried basis and is not subject to reduction based on hours worked.
At Spear AI, you'll find more than just a job, you'll join a mission-driven team where your work directly contributes to national security. Our flat organizational structure means your voice matters, your ideas reach leadership, and your impact is visible. As we grow, we're committed to building robust processes and infrastructure that support both our mission and our people. We value collaboration, continuous improvement, and the expertise each team member brings to the table. If you're looking for a place where you can grow professionally while working on projects that truly matter, we'd love to hear from you.
$107.9k - $195.05k
...Description Leidos has a new and exciting opportunity for a Senior Software Engineer in our Intel Sector. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals...SeniorLocal areaImmediate startFlexible hours$110k - $155k
...The Role GovExec is seeking a Senior Software Engineer to join our team. We're looking for a collaborative, top-notch problem-solver who is excited to take on new challenges. This role reports to the Lead Software Engineer - Media Sites and can be either in our Washington...SeniorPermanent employmentFor contractorsWork at officeLocal areaRemote work- ...Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced... ...Program is seeking a full stack software engineer to develop, maintain and... ...Seven (7) years’ experience as a SWE, in programs and contracts of similar...Senior
- ...A tech solutions provider is seeking a skilled software developer for a hybrid role in downtown Washington, DC. Candidates must have at least 8 years of software development experience, with strong expertise in Kubernetes and experience in a DevSecOps environment. A bachelor...SeniorRelocation package
- ...Umbra is seeking a Senior Software Engineer for Washington DC to design and build mission-critical backend services for satellite command and control within C3 systems. The ideal candidate will possess strong software engineering skills, a systems-oriented mentality,...Senior
- Job Title Disabled veteran A veteran who served on active duty in the U.S. military and is entitled to disability compensation (or who but for the receipt of military retired pay would be entitled to disability compensation) under laws administered by the Secretary of...Senior
- 6AM City, LLC is seeking a highly skilled Senior Software Programmer with an active TS/SCI clearance and CI Polygraph. This role involves implementing advanced Natural Language Processing and geospatial solutions using various tools like IBM Watson and OpenStreetMap data...Senior
$150k - $190k
...A tech-driven space solutions company is seeking a Senior Ground Software Engineer in Arlington, VA. The role involves developing modular and secure ground software systems for SAR satellite operations, requiring extensive experience in web services, Kubernetes, and Python...SeniorFlexible hours$100k - $160k
...Majus Consulting is looking for a highly skilled Senior Software Engineer to join our Washington, DC team. In this full-time position, you'll design, develop, and maintain robust software solutions, lead technical initiatives, and contribute to scalable systems supporting...SeniorFull time- ...Praescient Analytics in Arlington, VA is looking for a Senior Software Developer to support the U.S. Army by designing and developing mission-critical software systems. Candidates should have a Bachelor's degree in Computer Science or related field, active TS/SCI clearance...Senior
- ...A Veteran-Owned Small Business is seeking a Software Engineer Level 3 to support a federal government client. The ideal candidate will have a Bachelor’s Degree in Mathematics, Engineering, or Computer Science along with 5 years of relevant experience. Responsibilities...Senior
- ...A technology and engineering firm in Bethesda, Maryland is seeking a professional to support their DOMEX Technology Platform. The successful candidate will design and maintain a containerized microservices architecture and a production big data pipeline using Kubernetes...Senior
- ...Redhorse Corporation is seeking a Senior Software Developer in Arlington, Virginia, to lead the evolution of the DOJ National Classified Services (NCS) application stack. This role requires an active Top Secret security clearance and 8+ years of software development experience...Senior
$110.7k - $171.8k
...solutions, cyber security, and B2C platforms Job Description We are looking for dedicated, curious, and energetic Software Engineers who embrace solving complex challenges on a global scale. As a Visa Software Engineer, you will be an integral part of a multi...SeniorWork at officeLocal areaRelocation package- ...Overview Senior Software Engineer LOCATION: Arlington, VA JOB STATUS : Full-time CLEARANCE : Top Secret CERTIFICATION : TRAVEL : As Needed Astrion has an exciting opportunity for a Senior Software Engineer located at the NAVSEA PEO IWS...SeniorFull timeFor contractorsWork at officeFlexible hours
- ...About the job Senior Software Engineer TS/SCI FSP Senior Software Engineer | TS/SCI FSP Location: Secure On-site Components Clearance: Active TS/SCI with Full Scope Polygraph Required The Mission We are engineering a sophisticated agentic...SeniorContract work
- ...This government contractor is searching for a Software Developer to maintain and improve software and tools used for predictive readiness modeling and simulation. In this role, you’ll ensure the software operates securely and meets the Air Force’s high standards. This...SeniorFor contractors
- ...for marginal security benefit. At Zip, our goal is to build software that makes enterprise cybersecurity reasonable – to reduce... ...utmost importance to building a great culture. The Role As a Senior Software Engineer, you'll help build from the ground up, designing and...SeniorFlexible hours
$180k - $210k
...Senior Software Engineer Attentive® is the AI marketing platform for 1:1 personalization redefining the way brands and people connect. We're the only marketing platform that combines powerful technology with human expertise to build authentic customer relationships...SeniorFull timeFlexible hours- ...Senior Software Engineer We are seeking a Senior Software Engineer to support our growing client in the Fintech space. Your role will build and implement software solutions to deliver world class experiences and capabilities for our users and clients. Clearance...Senior
$155k - $185k
...Senior Software Engineer (command & Control) Architect and implement scalable backend services for satellite command and control within C3 systems Location: Washington DC Compensation: $155,000 - 185,000 USD / year Job Tags: Software About The Role Senior Software Engineer...SeniorWork at officeRemote workWorldwide- ...There's a good chance you've even used our software since 70,000+ companies nationwide use it... ...custom patterns handling our enrollment engine. We believe the best part of development... ...devising the proper implementation. Our senior engineers solve problems, define the features...Senior
$150k - $200k
...hatch I.T. is partnering with VIA to find a Senior Software Engineer, Cryptography. See details below: About the Role An impressive mission requires an equally impressive Senior Software Engineer, Mobile As a Senior Software Developer, specializing in mobile development...Senior$131.3k - $237.35k
Leidos is seeking a Sr. Software Engineer in Alexandria, Virginia. The ideal candidate will have a BS degree with 12-15 years of experience or a Master's with 10-13 years of relevant experience. Responsibilities include engaging in SDLC activities within an agile development...Senior- ...Software Engineer Level 4 - (2225) Job Title Software Engineer Level 4 Location Washington, DC 20032 US (Primary) Category Research, Development, and Engineering Job Type Full-Time Staff Education Bachelor's Degree Travel Security Clearance Required TS/SCI Job Description...SeniorFull timeContract work
$191k - $254k
...Senior Software Engineer Software | Washington, DC | Full Time Position: Senior Software Engineer Location: Washington, DC Category: Software Engineering Schedule: Standard Day Shift, Monday–Friday Clearance Requirement: Active Secret security clearance...SeniorFull timeTemporary workMonday to FridayFlexible hoursDay shift- A leading consulting firm in Arlington is seeking an Advanced Software Engineer specializing in signal processing and geolocation systems. The ideal candidate will have 4-8+ years of experience in C++ and Python development within Linux. This role requires an active Top...Senior
- ...Senior Software Engineer Goose is building the operating system for multi-service pet care businesses — boarding, daycare, grooming, and training. Our platform streamlines operations, enhances the customer experience, and drives revenue growth. Headquartered in Chicago...Senior
- ...TLA is seeking a Software Engineer to design, develop, and integrate secure computing environments that support critical mission objectives. In this role, you’ll contribute to the full software lifecycle—from architecture and development to testing and deployment—across...Senior
$500 per month
...intelligence and defense communities, using its Connector software product to enable federated data discovery that cuts intelligence... ...and the Department of War. About the Role: As Senior Software Engineer, you will be making technical direction and architectural decisions...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Software Engineer (SWE) - Senior. Be the first to apply!
- software developer internship no experience Washington DC
- federal - software developer Washington DC
- software engineer contract Washington DC
- part time software developer Washington DC
- software engineer healthcare Washington DC
- network software engineer Washington DC
- ngo software engineer Washington DC
- software development engineer aws Washington DC
- software developer internship Washington DC
- software developer intern Washington DC


