Senior Software Engineer - Lead, Design & Scale Systems

Eccalon, LLC; Detroit (MI); On-site; USD 120,000 - 180,000; Full time

Job summary

Eccalon, LLC is seeking an experienced Senior Software Engineer to design and develop scalable software systems in Detroit. The role emphasizes independent ownership of complex technical initiatives, production systems, and mentorship of team members.

The Senior Software Engineer will participate in system design, technical decision-making, and uphold high engineering standards, collaborating with product and engineering leadership across the organization.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience).
• 5–8 years of professional software engineering experience.
• Solid understanding of system design, data structures, algorithms, and design patterns.
• Experience owning and operating production systems.
• Strong experience with version control systems (Git) and collaborative development workflows.
• Experience building and scaling distributed systems or microservices.
• Proficiency with APIs, service integrations, and databases (SQL and/or NoSQL).
• Experience with cloud platforms (AWS, Azure, or GCP).
• Familiarity with CI/CD pipelines, automated testing, and DevOps practices.
• Experience working in Agile or iterative development environments.

Responsibilities

• Design, develop, test, and maintain scalable software applications and services.
• Own complex features and systems from design through production.
• Contribute to and lead system architecture and design discussions.
• Write high-quality, maintainable, and well-tested production code.
• Diagnose and resolve complex technical and production issues.
• Mentor junior and mid-level engineers and provide technical guidance.
• Collaborate with product, design, and cross-functional teams to deliver solutions.
• Drive improvements in performance, reliability, security, and scalability.

Skills

System design

Data structures

Algorithms

Design patterns

Mentoring

Agile development

DevOps practices

Distributed systems

APIs

SQL/NoSQL

Cloud platforms

CI/CD

Education

Bachelor's degree in Computer Science or related field

Tools

Git

APIs

Databases (SQL/NoSQL)

Cloud platforms (AWS/Azure/GCP)

CI/CD

Job description

Eccalon, LLC is seeking an experienced Senior Software Engineer to design and develop scalable software systems in Detroit. The role emphasizes independent ownership of complex technical initiatives, production systems, and mentorship of team members.

The Senior Software Engineer will participate in system design, technical decision-making, and uphold high engineering standards, collaborating with product and engineering leadership across the organization.