Senior Software Developer (.Net)
AccumTech
Software Engineering
Ann Arbor, MI, USA
Posted on Feb 18, 2026
As a Senior Software Developer at AccumTech, you will work with an energetic cross-functional team of developers to design, develop, and maintain our growing backend APIs and microservices suite. You will use your experience to help drive product innovation, mentor junior developers, and solve complex problems in a fun, fast-paced, agile environment.
Responsibilities:
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.
Responsibilities:
- Lead the design, development, and maintenance of software applications according to specifications.
- Collaborate effectively with the software development team and other stakeholders.
- Mentor junior developers and guide them in their professional development.
- Understand and apply advanced principles of software architecture and system design.
- Solve complex problems and debug software applications.
- Drive innovation and propose improvements to existing software applications and processes.
- Delegate tasks effectively to team members.
- Write documentation and ensure code quality through debugging and unit testing.
- Adapt to a fast-paced learning environment and drive innovation by researching tools and technologies.
- Estimate effort accurately for tasks and projects.
- Proven advanced ownership and accountability regarding sprint deliverables, releases, and production support.
- 6+ years of professional development experience using C#.
- Experience designing, developing, and consuming APIs.
- Advanced database knowledge - RDBMS, such as Microsoft SQL Server or PostgreSQL - or NoSQL
- Strong communication and collaboration skills.
- Willingness to be an excellent teammate with a can-do attitude and a desire to work with like-minded individuals.
- Excellent attention to detail and the ability to efficiently multi-task.
- A bachelor's degree in Computer Science or equivalent.
- Experience with dependency injection/inversion of control.
- Experience utilizing a testing framework to write unit and integration tests.
- Experience leveraging agentic AI models.
- Experience working with large datasets/warehousing.
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.