Description Principal Software Engineer Location: Detroit, MI- Onsite Type: Full-time Security Clearance: No clearance required, must be clearable. Job Description We are seeking a Principal Software Engineer to provide technical leadership across complex, large-scale software systems. This role is for a highly experienced engineer who drives architecture, influences technical strategy, and solves the organization’s most challenging engineering problems. The Principal Software Engineer operates with broad scope and autonomy, partnering closely with engineering leadership, product, and business stakeholders to ensure systems are scalable, reliable, and aligned with long-term company goals. Responsibilities
Technical Leadership & Architecture
Define and evolve system architectures across multiple teams or domains
Lead design of large-scale, distributed, and mission-critical systems
Establish and enforce technical standards, best practices, and design principles
Drive long-term technical vision and architectural consistency
Complex Problem Solving
Tackle the most complex technical challenges across the organization
Evaluate trade-offs across performance, reliability, scalability, security, and cost
Lead root-cause analysis of major system issues and outages
Guide modernization and refactoring of legacy systems
Cross-Team Impact
Influence technical direction across multiple teams and initiatives
Partner with product and leadership on roadmap feasibility and system constraints
Act as a technical advisor to senior engineers, managers, and executives
Review and guide high-risk or high-impact technical decisions
Mentorship & Engineering Excellence
Mentor senior and mid-level engineers
Elevate engineering quality through design reviews and code reviews
Share knowledge through documentation, talks, and technical forums
Model a culture of ownership, quality, and technical rigor
Required Qualifications
Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience)
8+ years of professional software engineering experience
Demonstrated impact designing and operating large-scale production systems
Strong proficiency in one or more programming languages such as Java, Python, Go, JavaScript/TypeScript, C#, or similar
Deep understanding of system design, distributed systems, and software architecture
Experience leading technical initiatives across teams
Experience building distributed, cloud-native, or high-availability systems
Expertise with APIs, microservices, messaging, and data-intensive systems
Experience with cloud platforms (AWS, Azure, or GCP)
Strong understanding of CI/CD, observability, reliability, and security practices
Background in performance optimization and scalability planning
Equal Employment Opportunity (EEO) Policy Eccalon provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. About the Organization Eccalon provides global solutions to the most challenging technological issues of the 21st-century, and our evolving portfolio spans five major markets: Machine Learning, Cybersecurity, Aerospace & Defense, Material Sciences, Advance Manufacturing, Sports Science, Biotechnology, and Health & Life Sciences. Why Join Us? Eccalon's Executives foster a supportive work environment allowing our teams to thrive, and have a fierce dedication to innovation, security, and people. Our culture is built on inclusion, teamwork, trust, and we are committed to offering career advancement opportunities to all employees. Encouraging a healthy and balanced life, we offer an extensive benefits package to support the wellness of our employees and their families. You will be joining a team of innovators, working with cutting edge technologies, supporting mission critical projects, and making an impact. Apply today to advance your career! EOE Statement Eccalon provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. EEO is the law.