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Senior Software Developer (.Net)

AccumTech

Ann Arbor, MI

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JOB DETAILS
JOB TYPE
Full-time
SKILLS
Analysis Skills, Application Programming Interface (API), Architectural Services, Artificial Intelligence (AI), Code Reviews, Communication Skills, Compensation and Benefits, Computer Science, Consulting, Data Management, Data Warehousing, Debugging Skills, Dependency Injection, Documentation, Federal Laws and Regulations, Healthcare, High Tech Industry, Integration Testing, Inversion of Control (IoC), Maintenance Services, Mentoring, Microservices, Microsoft .NET, Microsoft C# (C Sharp), Microsoft SQL Server, NoSQL, PostgreSQL, Problem Solving Skills, Process Improvement, Production Support, Production Systems, Quality Assurance Methodology, REST (Representational State Transfer), Relational Databases (RDBMS), Risk Analysis, Software Architecture Design, Software Development, Team Player, Technical Leadership, Test Tools, Unit Test
LOCATION
Ann Arbor, MI
POSTED
30+ days ago
As a Senior .NET Developer at AccumTech, you will play a key technical leadership role in designing, building, and evolving our backend APIs and microservices platform. You will solve complex, ambiguous problems, make architectural decisions, and mentor other developers while helping drive the technical direction of our products.

This role is ideal for an experienced engineer who enjoys hands‑on development, technical ownership, and helping teams deliver high‑quality software at scale.

Responsibilities
  • Lead the design, development, and maintenance of backend services, APIs, and microservices.
  • Make and defend architectural decisions, balancing scalability, maintainability, performance, and delivery timelines.
  • Break down complex initiatives into well‑defined technical tasks and guide implementation across the team.
  • Mentor and support junior and mid‑level developers through code reviews, technical guidance, and knowledge sharing.
  • Solve complex technical problems and lead debugging efforts in production and non‑production environments.
  • Own technical outcomes for projects, including quality, reliability, and long‑term maintainability.
  • Drive improvements to existing systems, development practices, and engineering standards.
  • Partner with stakeholders to plan and deliver releases.
  • Provide accurate estimates for larger initiatives, identifying risks, dependencies, and tradeoffs.
  • Participate in production support and release activities, demonstrating strong ownership and accountability.
Requirements
  • 6+ years of professional software development experience using C#.
  • Extensive experience designing, developing, and consuming RESTful APIs.
  • Strong experience with relational databases, such as SQL Server  and PostgreSQL). Familiarity with NoSQL solutions and data warehousing concepts is a plus.
  • Deep understanding of software architecture, system design, and modern backend patterns.
  • Excellent communication skills and the ability to collaborate across teams.
  • Proven ability to take ownership of complex systems and deliver results.
Preferred Qualifications
  • Bachelor’s degree in Computer Science or equivalent experience.
  • Experience with dependency injection and inversion of control.
  • Strong testing practices, including unit and integration testing.
  • Experience working in agile, fast‑paced development environments.
  • Experience leveraging AI‑powered tools (coding assistants, code analysis, documentation, or testing tools) to improve development efficiency, while applying strong critical thinking and engineering judgment to validate solutions and ensure code quality.
The annual salary range for this position is $100,000-$120,000.


ABOUT ACCUMTECH 
AccumTech is a small, but growing, software service company that has annually been voted one of Crain’s Detroit Business Coolest Places to Work by our employees since 2019. Joining AccumTech will give you an opportunity to take on challenging projects in a fast-paced agile environment, take responsibility for the growth of your team, and play a key role in the success and growth of the company. 

AccumTech was founded in 2014 by experts in data management, pharmacy benefits, healthcare consulting and federal health regulations to assist key stakeholders in the integration of claims data between different consumers. We are based in Ann Arbor, Michigan and offer a competitive benefits package that includes health benefits, a competitive salary, paid time off, a 401K with employer match, and flexible scheduling. 

AccumTech does not provide Visa sponsorship. 
 

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