Senior Software Engineer: Lead Scalable Systems

Eccalon, LLC; Detroit (MI); On-site; USD 120,000 - 160,000; Full time

Job summary

Eccalon, LLC is seeking a Senior Software Engineer to lead design and development of scalable systems. You will own complex features from design through production and mentor junior engineers while partnering with product and engineering leadership.

Responsibilities include system architecture discussions, production‑grade code, and driving reliability, performance, and security across services in a fast‑moving environment.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent experience.
• 5–8 years of professional software engineering experience.
• Strong understanding of system design, data structures, algorithms, and design patterns.
• Experience owning and operating production systems.
• Experience with 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

Production systems

Agile development

CI/CD

DevOps practices

Distributed systems

APIs & service integrations

Git

Education

Bachelor’s degree in Computer Science/Engineering or related field

Tools

Git

Job description

Eccalon, LLC is seeking a Senior Software Engineer to lead design and development of scalable systems. You will own complex features from design through production and mentor junior engineers while partnering with product and engineering leadership.

Responsibilities include system architecture discussions, production‑grade code, and driving reliability, performance, and security across services in a fast‑moving environment.