Lead Software Engineer

Egreenservices; Chicago (IL); On-site; USD 137,000 - 204,000; Full time

Benefits offered by this job

Unlimited PTO

Job summary

Citadel in Chicago, IL is seeking a Lead Software Engineer who can advocate for team leadership and align on collective decisions. You will own hands-on systems, drive architectural choices, and mentor teammates to grow in technology.

You will map data flows across Ruby services, reduce technical debt, and partner with data teams to surface insights from production while ensuring uptime during high-traffic periods. This role combines leadership with hands-on coding and strategic impact.

Qualifications

• 7+ years of software engineering experience.
• Strong leadership and clear communication skills.
• Experience with microservices and Ruby/Rails.

Responsibilities

• Map data flow across Citadel's Ruby services and spot the leaks.
• Profile and refactor legacy code to reduce technical debt over time.
• Work closely with data teams to surface insights from production systems.
• Defend Citadel uptime through the 2 a.m. Chicago pages nobody volunteers for.
• Coordinate releases with stakeholders across Chicago, IL and remote teams.
• Turn Citadel's RabbitMQ on-call noise into alerts that actually mean something.
• Keep the technology RabbitMQ service humming through Chicago's holiday traffic surge.

Skills

Team leadership

Communication

Systems design

Data-driven decisions

Tools

Ruby

Microservices

Job description

Citadel needs a Lead Software Engineer in IL who can argue passionately about Team Leadership, then commit to whatever the team decides. This lead opening gives you $137,000 - $204,000, hands-on ownership, and the mentorship to keep growing in technology.

Key Responsibilities

• Map data flow across Citadel's Ruby services and spot the leaks
• Profile and refactor legacy code to reduce technical debt over time
• Work closely with data teams to surface insights from production systems
• Defend Citadel uptime through the 2 a.m. Chicago pages nobody volunteers for
• Coordinate releases with stakeholders across Chicago, IL and remote teams
• Turn Citadel's RabbitMQ on-call noise into alerts that actually mean something
• Keep the technology RabbitMQ service humming through Chicago's holiday traffic surge

What You'll Bring

• A Citadel mindset: scrappy today, scalable tomorrow
• The communication discipline to over-share early and trim later
• Equal parts Project Management depth and Microservices curiosity
• A values-led attitude and eagerness to learn new skills
• 7 years of learning when to trust the process and when to break it

Across IL, the spirited-and-grounded technology systems people trust most often turn out to be Citadel, built quietly in Chicago. We hold space for disagreement, then commit fully once the technology call is made.

The compensation here starts at $137,000 - $204,000, paired with unlimited PTO and a manager committed to your professional growth.

Current and accurate as of this visit, the temporary opening stands ready.

The version of you that already works at Citadel is just one application ahead.