Performance Engineer Intern: Build Reliable APIs & Pipelines

Energy Innovation Corp; Mankato (MN); On-site; USD 74,000 - 112,000; Full time

Benefits offered by this job

Robust benefits suite

Hands-on mentorship

Job summary

Best Buy in Mankato, MN is seeking a mid-level Performance Engineer who treats reliability as a feature. This internship-style role offers hands-on mentorship, growth opportunities, and exposure to large-scale Best Buy workflows. You will pair gRPC and Java, break down large initiatives, and help design APIs that teams will reuse.

A Python background is a plus, with on-site work in Mankato encouraged. Salary ranges from $74,000 to $112,000 annually, accompanied by a robust benefits package and

Qualifications

• Ability to learn new technology systems quickly and apply them effectively.
• Familiarity with Best Buy-scale workflows, or the appetite to reach them.
• Prior experience working on-site in Mankato, MN, or willingness to relocate.
• The grit to debug at 4pm on a Friday without complaint.
• The kind of empathy that makes hard feedback land softly.

Responsibilities

• Pair gRPC and Java in a pipeline Best Buy can extend without your help later.
• Break large technology initiatives into Java increments Mankato can actually deliver.
• Design gRPC APIs other Mankato, MN teams will still thank you for next year.
• Ship the data-driven Agile features that move Best Buy's technology roadmap forward.
• Identify bottlenecks and propose architectural improvements proactively.
• Spike an Agile proof of concept fast when Best Buy needs a yes-or-no answer.
• Catch the Java race conditions that only surface under Mankato peak traffic.
• Wrangle Swift config across environments so Mankato staging mirrors production.

Skills

gRPC & Java pairing

Scalable API design

Agile collaboration

Performance engineering

Python background

Job description

Best Buy in Mankato, MN is seeking a mid-level Performance Engineer who treats reliability as a feature. This internship-style role offers hands-on mentorship, growth opportunities, and exposure to large-scale Best Buy workflows. You will pair gRPC and Java, break down large initiatives, and help design APIs that teams will reuse.

A Python background is a plus, with on-site work in Mankato encouraged. Salary ranges from $74,000 to $112,000 annually, accompanied by a robust benefits package and