Principal Software Engineer – Native Mobile Development

H&R Block

. Provide technical vision and leadership across Financial Services applications, with deep ownership of the Spruce native mobile ecosystem and its integrations .

Posted 10/16/2026full-timeRemote • Missouri • United StatesLead💰 $132,200 - $224,700 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in native mobile development using Swift and Kotlin, with a strong focus on architecture governance, cybersecurity, and compliance within Financial Services applications. Proven ability to mentor teams, establish engineering standards, and drive continuous improvement in software delivery practices.

Highest-signal resume keywords

Native Mobile DevelopmentArchitecture GovernanceAI-Assisted Engineering PracticesCI/CD and Automation ToolsFinancial Services Domain Expertise

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

SwiftKotlinXcodeAndroid StudioAPI IntegrationAutomated TestingPerformance OptimizationSecure CodingObservabilityModular Design

Soft Skills

LeadershipCommunicationStakeholder ManagementMentoringInfluence

Tools & Technologies

FastlaneBitriseGitHub ActionsJUnitEspressoXCTestDatadogAdobe AnalyticsFirebaseSentry

Industry Keywords

Financial ServicesBankingLendingPaymentsRegulatory ComplianceCloud TransformationEnterprise ArchitectureMobile PrivacyThreat ModelingOperational Controls

Tech Stack

Tools & technologies

AndroidCloudCyber SecurityDistributed SystemsFirebaseiOSJUnitKotlinSwift

About the role

Key responsibilities & impact

Provide technical vision and leadership across Financial Services applications, with deep ownership of the Spruce native mobile ecosystem and its integrations
Architect and guide robust, scalable, accessible, observable, and secure native iOS and Android applications using Swift and Kotlin
Define, evolve, and enforce engineering and architecture standards, including MVVM, Clean Architecture, modular design, API and integration patterns, reusable components, secure coding, performance, resiliency, and cloud-native practices
Ensure enterprise standards are met across architecture governance, cybersecurity, privacy, regulatory and compliance expectations, accessibility, quality engineering, release management, observability, and production support readiness
Establish best practices for AI-assisted design and development, agentic workflows, specification-driven development, test generation, code review, documentation, and responsible use of approved AI tools
Identify AI use cases, define guardrails and reusable patterns, measure engineering outcomes, and help teams adopt AI without compromising security or compliance
Mentor engineers and technical leads through architecture reviews, design sessions, code reviews, pairing, coaching, and communities of practice
Maintain deep working knowledge of Financial Services products, customer journeys, infrastructure, operational dependencies, data exchanges, APIs, event flows, and third-party integrations
Collaborate with Product, Design, Engineering, Architecture, Security, Operations, Data, and enterprise stakeholders
Participate in vendor evaluations, technology assessments, proofs of concept, contract and capability reviews, security and architecture reviews, and vendor performance discussions
Lead technology selection and buy-versus-build analysis
Align solutions with Block enterprise architecture, approved platforms, shared capabilities, integration patterns, data standards, identity and access controls, infrastructure strategy, and modernization objectives
Drive continuous improvement of CI/CD pipelines, automated testing, quality gates, release automation, feature management, telemetry, performance monitoring, and production diagnostics
Lead complex technical investigations and resolution of cross-application issues involving mobile clients, APIs, services, infrastructure, data, identity, networks, and external providers
Evaluate and govern third-party SDKs, APIs, platforms, and services
Influence roadmaps and investment decisions by identifying technical risks, architectural constraints, modernization opportunities, platform reuse, and sequencing considerations
Stay current with iOS, Android, AI engineering, financial technology, security, cloud, infrastructure, and software architecture trends
Design and oversee reusable software components, reference architectures, development accelerators, and engineering standards

Requirements

What you’ll need

Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience through a combination of education and professional practice
Ten to twelve years of progressive software engineering experience, including substantial experience as a technical lead, architect, or principal-level engineer for complex, customer-facing applications
Deep expertise in native mobile development using Swift, Kotlin, Xcode, and Android Studio
Demonstrated experience delivering and operating iOS and Android applications at enterprise scale
Experience with mobile architecture, API and service integration, performance optimization, secure coding, accessibility, resiliency, observability, automated testing, and release engineering
Broad understanding of distributed systems, cloud and enterprise infrastructure, networks, identity and access management, data integration, event-driven patterns, and production operations
Experience applying AI-assisted engineering practices, including agentic workflows and responsible development patterns, within an enterprise software delivery environment
Experience establishing engineering standards and influencing adoption across multiple teams, applications, or platforms
Ability to mentor engineers, provide technical feedback, facilitate architecture and design reviews, and raise engineering capability across an organization
Experience evaluating vendors, third-party platforms, SDKs, APIs, and services and contributing to buy-versus-build decisions and technology selection
Ability to understand complex business domains and application ecosystems; financial services, banking, lending, payments, or regulated consumer products experience strongly desired
Experience with CI/CD and automation tools such as Fastlane, Bitrise, GitHub Actions, or comparable enterprise tooling
Experience with automated testing frameworks such as JUnit, Espresso, and XCTest
Experience with application telemetry, mobile analytics, crash reporting, performance monitoring, experimentation, and operational diagnostics, including tools such as Datadog, Adobe Analytics, Firebase, or Sentry
Experience with shared SDKs, modular repositories, reusable component strategies, and micro-app or modular application architectures
Deep understanding of App Store and Google Play requirements, enterprise deployment, mobile privacy and security controls, and threat-modeling approaches such as STRIDE and platform capabilities such as App Attest
Excellent communication, leadership, influence, and stakeholder-management skills
Ability to engage technical and non-technical partners across teams and locations
Preferred: Master's degree in Computer Science, Engineering, or a related discipline
Preferred: Eight or more years performing as a technical lead or architect for a major application, platform, or product ecosystem
Preferred: Experience modernizing a large hybrid mobile application into fully native iOS and Android applications
Preferred: Deep knowledge of financial services application portfolios, infrastructure, regulatory constraints, operational controls, and third-party integration models
Preferred: Experience with enterprise architecture governance, platform modernization, cloud transformation, and cross-portfolio technology strategy
Preferred: Demonstrated leadership in practical AI adoption for software engineering
Preferred: Contributions to open-source libraries, internal engineering platforms, reference architectures, or developer communities

Benefits

Comp & perks

Medical and prescription drug coverage for associates and eligible dependents
H&R Block Retirement Savings Plan (401(k) Plan)
Employee Assistance Program
(Virtual) fitness center programs
Associate discount program
Business Travel Accident Insurance
Associate Tax Prep benefit
Competitive pay
Comprehensive benefits
Support for life both in and outside of work
Continuous learning
High Performing, Connected Culture