iOS Developer

Egreenservices; Fullerton (CA); Hybrid; USD 107,000 - 160,000; Part time

Benefits offered by this job

Generous PTO

Job summary

Citigroup in Fullerton, CA is seeking an experienced iOS Developer with C# skills for a freelance engagement. The role offers a hybrid office setup, meaningful growth, and a competitive salary range from $107,000 to $160,000 per year.

You will ensure code quality, translate metrics for leadership, and re-architect flows to handle increased load while delivering features from design to production. The team values curiosity and collaboration.

Qualifications

• Hands-on experience with modern relationship-building workflows and tooling.
• Ability to revise strong opinions when the data argues back.
• The patience to mentor without taking over the keyboard.
• Adaptability and resilience when facing shifting requirements.

Responsibilities

• Ensure code quality through automated linting, testing, and static analysis
• Translate C# metrics into the one chart Citigroup leadership checks each morning
• Re-architect the technology flow so Docker handles ten times Fullerton's current load
• Carry features from whiteboard sketch to Fullerton, CA production without dropping the baton
• Cut Presentation Skills cold-start times so Citigroup functions wake before CA users notice
• Drive the Selenium incident postmortem that stops the Fullerton outage from recurring

Skills

Relationship building

Mentoring

Adaptability

Resilience

Job description

Build the tools that thousands of developers depend on as an iOS Developer working with C# and modern tooling. For a calmly-fast-moving professional with 4+ years behind them, this freelance iOS Developer job delivers $107,000 - $160,000 and meaningful growth.

Key Responsibilities

• Ensure code quality through automated linting, testing, and static analysis


• Translate C# metrics into the one chart Citigroup leadership checks each morning


• Re-architect the technology flow so Docker handles ten times Fullerton's current load


• Carry features from whiteboard sketch to Fullerton, CA production without dropping the baton


• Cut Presentation Skills cold-start times so Citigroup functions wake before CA users notice


• Drive the Selenium incident postmortem that stops the Fullerton outage from recurring

What You'll Bring

• Hands-on experience with modern Relationship Building workflows and tooling


• The humility to revise strong opinions when the data argues back


• The patience to mentor without taking over the keyboard


• Adaptability and resilience when facing shifting requirements

We started Citigroup in a Fullerton garage because the technology status quo deserved an empathy-led reckoning. Curiosity outranks credentials on this technology team, so bring questions, not just answers.

Stamped current this morning, the freelance opportunity awaits your application.

Expect $107,000 - $160,000, a hybrid Fullerton office, generous PTO, and leaders who treat your development as a real priority.