Software Engineer (SWE) - Senior

Spear AI; United States; On-site; Full time

Benefits offered by this job

Unlimited PTO

Comprehensive Health & Benefits

Professional Development

401(k) with company match

Job summary

A defense contracting company in the United States is seeking a Senior Software Developer to lead software development initiatives for enterprise AI platforms. You will provide technical leadership, mentor junior developers, and oversee the design and implementation of complex software systems to support mission-critical projects. The ideal candidate will have extensive software development experience, active security clearance, and a passion for technology that contributes to national security.

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.

Responsibilities

• Lead design and implementation of complex software systems.
• Provide technical mentorship and guidance to junior developers.
• Drive technical decision-making and technology selection.

Skills

Software development

Technical leadership

Mentoring

Security best practices

Cloud-native development

Tools

AWS

Containerization

Job description

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.