Senior Software Developer — Systems & UX Design
25771.5477
Sourced from 25771.5477's careers site · Posting last seen November 1, 2026
on site Full time Posted November 1, 2026
Job description
We’re hiring a senior systems-level designer who brings human-centered UX best practices to complex, secure enterprise systems. You’ll shape end-to-end architectures with clean interfaces, design resilient user journeys and design systems, and ensure experiences are usable, accessible, and performant while driving DevSecOps rigor and mentoring teammates. This role involves leadership in the technical framework as well as engagement with stakeholders whom will utilize the interfaces and applications developed.
Serve as a principal technical leader within the Chief Innovation Strategy Organization (CSO) in McLean, VA. We aren't looking for senior engineers who simply manage tasks from a desk, we want technical authorities who architect visionary solutions, shape complex technical strategy, and set the highest standard for engineering excellence across a wide spectrum of software disciplines.
To maximize growth and ensure agility in changing markets, our leadership is evolving our structure and assembling our top talent into a unified engineering engine designed to outpace emerging challenges and drive sector-wide advancement. You will be a primary driver of that mission, charting technical pathways, leading high-impact initiatives, and mentoring the next generation of engineers.
You won't be weighed down by bureaucratic stagnation. You’ll join a culture that values bold technical risks, rewards creative engineering, and gives senior leaders the authority to shape the future of our technical and strategic software portfolio. Join a rapidly growing organization, scaling our agentic construction of capabilities, serving our customers and ourselves leveraging advanced frameworks. You will be important to continue evolving with and ahead of the market.
Role Description
We are hiring a Senior Software Developer to act as a technical pillar across our multi-disciplinary portfolios. This position is a senior role focused on Systems & UX Design. You will own the architecture and execution of high-visibility systems, providing leadership across:
Serve as a principal technical leader within the Chief Innovation Strategy Organization (CSO) in McLean, VA. We aren't looking for senior engineers who simply manage tasks from a desk, we want technical authorities who architect visionary solutions, shape complex technical strategy, and set the highest standard for engineering excellence across a wide spectrum of software disciplines.
To maximize growth and ensure agility in changing markets, our leadership is evolving our structure and assembling our top talent into a unified engineering engine designed to outpace emerging challenges and drive sector-wide advancement. You will be a primary driver of that mission, charting technical pathways, leading high-impact initiatives, and mentoring the next generation of engineers.
You won't be weighed down by bureaucratic stagnation. You’ll join a culture that values bold technical risks, rewards creative engineering, and gives senior leaders the authority to shape the future of our technical and strategic software portfolio. Join a rapidly growing organization, scaling our agentic construction of capabilities, serving our customers and ourselves leveraging advanced frameworks. You will be important to continue evolving with and ahead of the market.
Role Description
We are hiring a Senior Software Developer to act as a technical pillar across our multi-disciplinary portfolios. This position is a senior role focused on Systems & UX Design. You will own the architecture and execution of high-visibility systems, providing leadership across:
- Advanced UX Designs, Agentic Framework Implementation Models and Tools
- Advanced System Architecture & Full-Stack Software Engineering
- Complex AI/ML Service Integration & Agentic System Design
- Enterprise-Grade Cloud Infrastructure, Automation, and CI/CD Pipelines
- Multi-Platform Enterprise Integration (ServiceNow, Salesforce, Splunk, Custom Ecosystems)
- Architect Complex Systems – Design and implement comprehensive end-to-end architectures, ensuring seamless, high-performance integration between modern UI frameworks, backend services, cloud infrastructure, and advanced AI/ML capabilities.
- Drive Technical Vision with Leadership – Partner closely with PIs, strategic planners, and executive stakeholders to conceptualize, scope, and execute strategic technical pathways.
- Elevate Engineering Standards – Champion CI/CD excellence, automated testing, application performance optimization, and rigorous software practices to eliminate deployment friction and technical debt.
- Mentor & Cultivate Technical Talent – Actively mentor junior and mid-level developers, fostering expertise in AI-native engineering practices, modern tool adoption, and clean architectural patterns.
- Lead Innovation & Execution – Oversee technical execution from initial prototyping to operational deployment, resolving complex cross-domain bottlenecks with authority and precision.
- Leadership in UX Engineering – Leadership and operational models for solving UX design addressing complex government workflows, addressing complex data engineering requirements as well as broad compliance requirements such as 508.
- Mastery of Software Engineering Principles – Deep expertise in multiple languages (such as Python, JavaScript/TypeScript, Rust, Java, or C++), microservices architecture, cloud to embedded and distributed systems design.
- Proven Architecture Experience – Extensive hands-on background integrating complex software components, cloud services, databases, and third-party APIs or Large & Small Language Model worflows.
- DevSecOps & Infrastructure Leadership – Comprehensive understanding of containerization (Docker, Kubernetes), Infrastructure-as-Code (Terraform, Ansible), and enterprise-grade CI/CD pipelines. Design for accreditation and deployment is key.
- Collaborative Leadership – Demonstrated success in technical teams, partnering with research or product stakeholders, and elevating the capabilities of surrounding engineers.
- Track Record – History of success in teams, delivery of viable systems from start to finish, adapting to changing tools and frameworks. Be prepared to share lessons learned.
- AI-First Technologist – You operate at the frontier of AI-assisted engineering and agentic workflows, utilizing LLMs and modern automation frameworks to redefine how enterprise software is conceptualized and built.
- Adaptable Visionary – Unfazed by ambiguity; capable of taking a high-level strategic objective and breaking it down into an actionable, highly scalable engineering roadmap.
- Mission-Driven & Competitive – Deeply committed to delivering bulletproof technical solutions that solve critical operational challenges.
- Generous Team Member – Earns respect through technical depth, emotional intelligence, and an active commitment to mentoring and uplifting others.
- Onsite in McLean, VA. Flexible work and time options.
- Occasional travel to other BAE Systems sites, partner facilities, and stakeholder meetings.
Skills
- UX engineering
- government workflows
- data engineering
- 508 compliance
- Python
- JavaScript
- TypeScript
- Rust
- Java
- C++
- microservices architecture
- cloud systems
- embedded systems
- distributed systems
- software component integration
- cloud services
- databases
- third-party APIs
- large language models
- small language models
- Docker
- Kubernetes
- Terraform
- Ansible
- CI/CD pipelines
- accreditation and deployment
- technical leadership
- mentoring
- LLMs
- automation frameworks
- agentic workflows
- systems architecture
- UX design
- full-stack engineering
- AI/ML integration
- DevSecOps
About this role
Summary
Architect enterprise systems, lead technical initiatives, advance UX and DevSecOps practices, and mentor engineering teams.
Job title
Senior Software Developer — Systems & UX Design
Experience level
senior level
Industry
defense
Location
McLean, VA · On-site
Salary
Pay not disclosed by employer
Management role
Yes
Posting history
Reposted 1×- Oct 28, 2026 First posted
- Oct 31, 2026 Removed from careers site Live 2 days
- Nov 1, 2026 Reposted
- Nov 1, 2026 Live now
As observed on the employer's careers site by ApplyAll. We show every change we've seen including removals.
Posting history Reposted 1×
- Oct 28, 2026 First posted
- Oct 31, 2026 Removed from careers site Live 2 days
- Nov 1, 2026 Reposted
- Nov 1, 2026 Live now
As observed on the employer's careers site by ApplyAll. We show every change we've seen including removals.
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