Software Engineer III - React Native (TypeScript)

Req ID: 78010

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

Areas of Interest: Software Development

Pay Transparency Salary Range: Not Available

Application Deadline: 07/31/2026

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.

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 driving cross-platform mobile strategy and architecture, with an emphasis on React Native and long-term platform evolution.

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 design, build, and ship cross‑platform mobile applications using React Native (TypeScript), integrating with modern backend services on AWS.

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

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.

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

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.

• Design & Build: Architect and implement cross‑platform mobile applications using React Native and TypeScript, following best practices for performance, accessibility, and maintainability.
• Mobile Architecture: Deliver features using scalable React Native architecture patterns, shared component libraries, and modular design approaches that support long‑term maintainability and reuse.
• 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 Engineering: Own testing strategy, including unit and integration testing using JavaScript/TypeScript frameworks (e.g., Jest, React Testing Library), along with mobile end‑to‑end testing approaches where appropriate.
• 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.

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 significant experience building 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.

• Native mobile development experience (Android and/or iOS).
• 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!

Apply today and take the first step towards your next career opportunity!

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.

Please contact [email protected] with any questions.

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