Principal Software Engineer - Full Stack

We’re ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more.

As part of the global ALTEN Group—57,000+ engineers in 30 countries—we deliver across the entire product development cycle, from consulting to full project outsourcing.

When you join ALTEN Technology USA, you’ll collaborate on some of the world’s toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow.

Job Description:

• Bachelor’s degree in Computer Science, Software Engineering, or related technical field. Minimum 10+ years of experience in software development.

• This position is focused on leading the design, development, and integration of scalable software solutions within a modern full-stack environment.

• The role involves driving complex software development activities across front-end and back-end systems, supporting system architecture, GUI development, database management, and enterprise-level software initiatives.

• The engineer will collaborate with multidisciplinary teams to deliver high-quality, secure, and maintainable software solutions while providing senior-level technical leadership, project coordination, and strategic support across development activities.

• The position requires advanced programming expertise, strong leadership capabilities, and the ability to manage complex technical initiatives throughout the software development lifecycle.

Key Responsibilities :

Full-Stack Software Development

• Lead the design, development, testing, and maintenance of software applications across front-end and back-end environments

• Drive development of scalable and maintainable software solutions aligned with business and technical requirements

• Participate in software architecture, system integration, and technical strategy discussions

• Support continuous improvement initiatives throughout the software development lifecycle

Technical Leadership & Strategic Support

• Provide senior-level technical leadership and mentorship across software development teams

• Support technical decision-making, development best practices, and cross-functional collaboration

• Lead complex technical discussions with internal stakeholders and multidisciplinary teams

• Drive alignment between software solutions, project objectives, and organizational priorities

Project Planning & Execution

• Develop and optimize complex project plans, schedules, and development timelines

• Support coordination of technical activities across multiple stakeholders and teams

• Monitor project progress, identify risks, and support mitigation strategies

• Ensure delivery milestones and project objectives are achieved within defined timelines

Executive Communication & Proposal Development

• Design and deliver comprehensive technical proposals for executive-level review

• Present technical concepts, project updates, and strategic recommendations to leadership teams

• Support decision-making through clear communication of technical risks, solutions, and project status

• Prepare and maintain high-level documentation and reporting materials

GUI Development

• Develop and maintain graphical user interfaces using modern development frameworks and tools

• Ensure usability, responsiveness, and performance of user-facing applications

• Collaborate with teams to improve interface functionality and user experience

• Support GUI enhancements and issue resolution activities

Database Management

• Work with SQL and NoSQL database technologies for data storage and retrieval

• Support database integration, optimization, and performance improvements

• Ensure data integrity and efficient access across applications and systems

• Assist with data modeling and database maintenance activities

Cybersecurity & Issue Resolution

• Apply cybersecurity best practices during software design and implementation

• Support secure coding standards and software quality initiatives

• Analyze and troubleshoot complex technical issues

• Conduct root cause analysis and support corrective actions

Negotiation & Cross-Functional Collaboration

• Support negotiation activities and conflict resolution across technical and project teams

• Collaborate effectively with multidisciplinary stakeholders in fast-paced environments

• Facilitate alignment between technical teams, leadership, and project objectives

• Drive effective communication and issue resolution across development activities

Profile:

• Senior software engineering leader with strong full-stack development experience and advanced technical expertise

• Comfortable leading complex technical initiatives within cross-functional and Agile environments

• Strong analytical mindset with the ability to troubleshoot and resolve complex software and project-related issues

• Self-motivated, strategic, and capable of managing multiple priorities and stakeholders effectively

• Effective communicator with strong presentation, leadership, and collaboration skills

Must Have:

• 10+ years of experience in software development

• Strong programming skills in Java, Python, and/or C++ Experience with both front-end and back-end development

• Experience with SQL and NoSQL database technologies

• Strong analytical, troubleshooting, and problem-solving skills

• Good communication and collaboration abilities

• Experience with GUI development frameworks and tools

• Knowledge of cybersecurity best practices and secure software development

• Experience leading complex technical projects and cross-functional initiatives

• Ability to develop project plans, schedules, and executive-level proposals

• Strong presentation, negotiation, and conflict resolution skills

• Ability to work independently and manage multiple priorities effectively

Good to Have:

• Experience with cloud-native application architecture

• Experience with DevOps or CI/CD environments

• Exposure to distributed systems or microservices architecture

• Experience working in large-scale enterprise or automotive environments

• Knowledge of software performance optimization and scalability practices

• Experience with modern UI/UX best practices and responsive design principles

• Experience supporting executive-level technical strategy and decision-making

All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, age, genetic information, or pregnancy.

Please beware of job seeker scams and see this important notice ( on our careers page for more information about our recruiting process.

Compliance Notice: Alten USA is a federal contractor subject to the requirements of the Vietnam Era Veterans’ Readjustment Assistance Act (VEVRAA) and Executive Order 11246. We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Drug Screening Requirement: As a federal contractor, Alten USA maintains a drug-free workplace. All candidates selected for employment will be required to successfully complete a pre-employment drug screening as a condition of hire.