C# Developer

Energy Innovation Corp; Schaumburg (IL); On-site; USD 88,000 - 126,000; Full time

Benefits offered by this job

Mentorship

Career ladder

Benefits package

Flexible days

Job summary

Marathon Petroleum is seeking a mid-level C# Developer in Schaumburg, IL. You’ll blend three years of experience with ownership of projects, contributing to a team that backs you up while you elevate code quality and system reliability.

You’ll guard Rails code quality, optimize performance, participate in on-call rotations, and help migrate to cloud-native architectures. A mentorship, clear career ladder, and real benefits await.

Qualifications

• Working knowledge of Ruby alongside transferable Tailwind CSS chops.
• Strong time-management skills and a bias toward action.
• Practical command of Time Management, with bonus points for Attention to Detail.
• A point of view on Marathon Petroleum's space, sharpened by your own reading.

Responsibilities

• Guard the Ruby on Rails codebase quality through reviews that teach as much as they catch.
• Optimize application performance, latency, and resource utilization at scale.
• Respond to on-call rotations and participate in incident postmortems.
• Architect fault-tolerant distributed systems leveraging Ansible and Ruby on Rails.
• Support migration of on-premise services to cloud-native architecture.
• Drive the RabbitMQ incident postmortem that stops the Schaumburg outage from recurring.
• Document technical decisions, architecture, and APIs for the broader org.

Skills

Ruby

Tailwind CSS

C# development

Time management

Tools

Ansible

RabbitMQ

Ruby on Rails

Job description

Behind every data-driven technology feature is a C# Developer who sweated the edge cases, and Marathon Petroleum is hiring more of them. Here you'll combine 3 years of know-how with $88,000 - $126,000, full project ownership, and a team that has your back.

Key Responsibilities

• Guard the Ruby on Rails codebase quality through reviews that teach as much as they catch
• Optimize application performance, latency, and resource utilization at scale
• Respond to on-call rotations and participate in incident postmortems
• Architect fault-tolerant distributed systems leveraging Ansible and Ruby on Rails
• Support migration of on-premise services to cloud-native architecture
• Drive the RabbitMQ incident postmortem that stops the Schaumburg outage from recurring
• Document technical decisions, architecture, and APIs for the broader org

What You'll Bring

• Working knowledge of Ruby alongside transferable Tailwind CSS chops
• Strong time-management skills and a bias toward action
• Practical command of Time Management, with bonus points for Attention to Detail
• A point of view on Marathon Petroleum's space, sharpened by your own reading

Marathon Petroleum is a human-first Schaumburg, IL company born from the belief that technology tools should respect the people using them. As a mid-level C# Developer, you'll have a real voice in shaping how the technology team operates.

The $88,000 - $126,000 we offer comes attached to mentorship, a clear ladder, real benefits, and flexible temporary days you can plan around.

Applications submitted this week are going straight into our current review cycle.