Principal Software Engineer- Onsite

DescriptionPrincipal Software EngineerLocation: Detroit, MI- OnsiteType: Full-timeSecurity Clearance: No clearance required, must be clearable.Job DescriptionWe 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 & ArchitectureDefine and evolve system architectures across multiple teams or domainsLead design of large-scale, distributed, and mission-critical systemsEstablish and enforce technical standards, best practices, and design principlesDrive long-term technical vision and architectural consistencyComplex Problem SolvingTackle the most complex technical challenges across the organizationEvaluate trade-offs across performance, reliability, scalability, security, and costLead root-cause analysis of major system issues and outagesGuide modernization and refactoring of legacy systemsCross-Team ImpactInfluence technical direction across multiple teams and initiativesPartner with product and leadership on roadmap feasibility and system constraintsAct as a technical advisor to senior engineers, managers, and executivesReview and guide high-risk or high-impact technical decisionsMentorship & Engineering ExcellenceMentor senior and mid-level engineersElevate engineering quality through design reviews and code reviewsShare knowledge through documentation, talks, and technical forumsModel a culture of ownership, quality, and technical rigorRequired QualificationsBachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience)8+ years of professional software engineering experienceDemonstrated impact designing and operating large-scale production systemsStrong proficiency in one or more programming languages such as Java, Python, Go, JavaScript/TypeScript, C#, or similarDeep understanding of system design, distributed systems, and software architectureExperience leading technical initiatives across teamsExperience building distributed, cloud-native, or high-availability systemsExpertise with APIs, microservices, messaging, and data-intensive systemsExperience with cloud platforms (AWS, Azure, or GCP)Strong understanding of CI/CD, observability, reliability, and security practicesBackground in performance optimization and scalability planningEqual Employment Opportunity (EEO) PolicyEccalon 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.