Software Engineer III - Mobile App Engineering

BOK Financial Corporation

Tulsa (OK)

On-site

USD 120,000 - 150,000

Full time

9 days ago

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Job summary

BOK Financial Corporation in Tulsa, OK, is seeking a Senior Software Engineer to mentor the project team and collaborate with the Solution Architect to shape the Android platform and cross‑platform strategy centered around React Native.

You will lead development, ensure best practices, provide application support, document systems, and contribute to the mobile platform roadmap across native Android and React Native (TypeScript) with backend integration.

Qualifications

8+ years of software engineering experience with Android and cross-platform mobile apps using React Native.
Proven experience delivering React Native apps end-to-end, including architecture, development, and deployment.
Strong understanding of modern mobile application architecture patterns.
Production experience integrating with RESTful APIs.
Strong testing discipline, CI/CD experience, and code review best practices.
Experience with mobile release processes and production support.
Nice-to-have: Native iOS development, AI-assisted development tools (GitHub Copilot, Claude), DevSecOps awareness, PCI and SOX awareness.

Responsibilities

Design & Build: develop and enhance cross‑platform mobile apps using React Native and TypeScript.
Mobile Architecture: deliver features in native Android and React Native environments with scalable patterns.
Integration & Networking: implement robust API integrations and handle auth for secure apps.
Develop using AI-assisted workflows to accelerate coding, refactoring, and testing.
Lead design reviews, mentor engineers, and uphold coding standards.

Skills

Android development

React Native (TypeScript)

RESTful APIs

CI/CD

Technical leadership

Education

Bachelor's degree in a technology-related field

Tools

GitHub Copilot

Claude AI tools

Fastlane

Job description

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Software Engineer III - Mobile App Engineering

Location: Tulsa -TUL, Oklahoma City -OKC, Dallas -DAL, Houston -HOUS, Kansas City -KSCY, Phoenix -PHOE, San Antonio -SANAN, Lincoln -LNCL, Little Rock -LTLRK, Memphis- Memph, Salt Lake City, UT, Springfield -SPRI, St Louis -STLPL

Areas of Interest: Software Development

Pay Transparency Salary Range: Not Available

Application Deadline: 10/30/2026

BOK Financial Corporation Group includes BOKF, NA; BOK Financial Securities, Inc. and BOK Financial Private Wealth, Inc. BOKF, NA operates TransFund and Cavanal Hill Investment Management, Inc. BOKF, NA operates banking divisions: Bank of Albuquerque; Bank of Oklahoma; Bank of Texas and BOK Financial®.

Bonus Type

Discretionary

Summary

In this role, you’ll mentor the project team, share knowledge, and collaborate with the Solution Architect to determine project architecture. You’ll lead development efforts, promote best programming practices, and influence engineering standards across the team. You’ll also provide application support, develop and document applications, and maintain system documentation and configuration.

This role is focused on supporting and modernizing our Android platform while helping drive our long-term cross-platform mobile strategy centered around React Native.

Job Description

As a Senior Software Engineer, you’ll be a hands‑on technical leader and key contributor in a cross-functional team, often acting as a technical lead. You'll support and enhance our existing Android applications while helping design, build, and ship future cross-platform mobile applications using React Native (TypeScript), integrating with modern backend services.

You’ll drive execution, mentor engineers, and champion operational excellence in mobile development while helping define and evolve our overall mobile platform strategy.

Team Culture

Our mission is to empower our company, teammates, and customers through resilient, customer‑centric technology. We leverage our technical expertise and deep business understanding to deliver impactful solutions.

Mindset

Ownership, customer obsession, growth mindset, think big — start small, bias for action, and relentless pursuit of engineering excellence.

Why Join Us

Impact: Build mobile experiences used by thousands of customers daily and help modernize critical systems while shaping a potential transition to a unified React Native platform.

Growth: Leadership development, career advancement, and exposure to modern technology and evolving mobile strategies.

Culture: Inclusive, collaborative, and innovation‑driven.

Career Paths: Multiple advancement opportunities available.

How You'll Spend Your Time

Modern Software Development

Design & Build: Support and enhance existing Android applications while architecting and implementing future cross‑platform mobile applications using React Native and TypeScript, following best practices for performance, accessibility, and maintainability.
Mobile Architecture: Deliver features within both native Android and React Native environments while promoting scalable architecture patterns and long‑term maintainability.
Integration & Networking: Implement robust API integrations and handle authentication and authorization for secure, scalable mobile applications.
Develop using AI‑assisted workflows with tools such as GitHub Copilot and Claude to accelerate coding, refactoring, documentation, and test generation.
Leverage agentic patterns for multi‑step tasks such as feature scaffolding, modernization efforts, UI generation, dependency analysis, and CI/CD interactions, with appropriate human oversight.
Apply AI‑assisted pull request reviews and security scanning, validating outputs with strong engineering judgment and secure‑by‑design principles.
Continuously evaluate and improve the use of AI tools across the SDLC to increase throughput, quality, and developer experience.

Quality, Delivery & Operations

CI/CD & Automation: Shape mobile CI/CD pipelines supporting React Native builds and deployments using tools such as Fastlane, CircleCI, or equivalent.
Observability & Performance: Instrument applications using tools such as Firebase and New Relic to monitor performance, crash rates, and user behavior.
Security by Design: Follow secure coding practices and address vulnerabilities proactively; familiarity with PCI and SOX environments is beneficial.
Technical Leadership: Lead design reviews, mentor team members, and enforce high standards for code quality and maintainability.
Operate What You Build: Practice full ownership from development through production, supporting a build‑it/run‑it model.

Education & Experience Requirements

This level of knowledge is normally acquired through the completion of a bachelor’s degree in a technology‑related field and/or 8+ years of related experience. Technology certifications are preferred. Experience in banking or financial services is also preferred.

• 5–8+ years of software engineering experience, including experience developing Android applications and cross‑platform mobile applications using React Native (TypeScript)

• Proven experience delivering React Native applications end‑to‑end, including architecture, development, and deployment

• Strong understanding of modern mobile application architecture patterns

• Production experience integrating with RESTful APIs

• Strong testing discipline, CI/CD experience, and code review best practices

• Experience with mobile release processes and production support

Nice‑to‑Have

• Native iOS development experience

• Experience with mobile CI/CD automation (e.g., Fastlane) or feature flag systems

• Experience with accessibility standards and internationalization

• Familiarity with AI‑assisted development tools (GitHub Copilot, Amazon Q, Claude)

• Exposure to DevSecOps practices

• PCI and SOX awareness

BOK Financial Corporation Group is a stable and financially strong organization that provides excellent training and development to support building the long term careers of employees.With passion, skill and partnership you can make an impact on the success of the bank, customers and your own career!

The companies in BOK Financial Corporation Group are equal opportunity employers. We are committed to providing equal employment opportunities for training, compensation, transfer, promotion and other aspects of employment for all qualified applicants and employees without regard to sex, race, color, religion, national origin, age, disability, pregnancy status, sexual orientation, genetic information or veteran status.

Tulsa, OK, US, 74101 Little Rock, AR, US, 72002 Kansas City, MO, US, 66012 Phoenix, AZ, US, 85001 Memphis, TN, US, 38119 Oklahoma City, OK, US, 73102 St. Louis, MO, US, 63102 Lincoln, NE, US, 68501 Houston, TX, US, 77001 Springfield, MO, US, 65801 Salt Lake City, UT, US, 84101 San Antonio, TX, US, 78209 Dallas, TX, US, 75001

Top 3 reasons to apply

Investing in our talent and building a great workplace is a top priority for us.

For more than a century, BOK Financial Corporation has helped fuel the success of clients and communities. Since our humble beginnings in Tulsa, Oklahoma, we’ve grown into a diversified financial services company that serves consumers, small businesses and international corporations—and everything in between.

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