Senior Software Engineer

Energy Innovation Corp; Elgin (IL); On-site; USD 107,000 - 154,000; Full time

Benefits offered by this job

Coaching

Health coverage

Flexible internship rhythm

Job summary

American Express in Elgin, IL is hiring a Senior Software Engineer to own features end-to-end, especially on the PHP platform, and to optimize microservices caching for the IL expansion. The role emphasizes secure authentication and telemetry-driven dashboards for leadership.

They offer a substantial salary range ($107,000-$154,000) with coaching, coverage, and a flexible internship rhythm. This is a hands-on, cross-functional position requiring strong communication and problem-solving across

Qualifications

• Practical command of Written Communication; bonus for gRPC.
• Curiosity to read docs before asking.
• Team player who unblocks others.
• Reliable, accountable, and follows through.
• Comfort navigating ambiguity with partial briefs.
• Hands-on tech experience that stands up to questions.
• Cross-functional ease from engineers to marketers.

Responsibilities

• Collaborate with product and design teams to ship features end to end.
• Carry the PHP platform work that enables American Express's IL expansion.
• Tune Microservices caching to handle launch spikes on the same hardware.
• Implement secure authentication and authorization flows.
• Pull gRPC telemetry into dashboards used by leaders.

Skills

Written Communication

gRPC

PHP

Microservices

Authentication

Security

Dashboards

Public Speaking

Tools

Public Speaking

Job description

Help American Express engineer the next generation of our platform, one well-tested Written Communication commit at a time. The center of gravity here is ownership — $107,000 - $154,000 and an internship schedule orbit it, and 7 years gets you in the door.

Key Responsibilities

• Collaborate with product and design teams to ship features end to end
• Carry the PHP platform work that makes American Express's next IL expansion boring
• Tune Microservices caching so American Express survives the Elgin launch spike on the same hardware
• Implement secure authentication and authorization flows using Public Speaking
• Pull gRPC telemetry into dashboards American Express leaders actually open

What You'll Bring

• Practical command of Written Communication, with bonus points for gRPC
• The kind of curiosity that reads the docs before asking
• A teammate's instinct to unblock others before yourself
• Reliable, accountable, and committed to following through
• Comfort navigating ambiguity when the brief arrives half-written
• Hands-on technology experience that holds up to follow-up questions
• Cross-functional ease, from Microservices engineers to PHP marketers

Run from a single floor in Elgin, IL, American Express is a detail-loving reminder that technology breakthroughs still start small. Ownership runs deep here: you'll own outcomes, not just tasks, from your first week as a Senior Software Engineer.

The offer reads $107,000 - $154,000, plus the soft stuff that hard-wins loyalty: coaching, coverage, and a flexible internship rhythm.

We re-validated this opening today; American Express is still on the lookout.

Got 7 of technology experience itching for a new home? This is the door.