Senior Application Development Engineer

At HSA Bank, we’re working toward a world where everyone is empowered to save for a healthy future. Our offerings in the healthcare savings space drive down healthcare costs, increase access, and assist with decision-making for consumers, health plans, partners, and advisors.

Are you ready to join us?

The Senior Application Development Engineer will lead the design, development, and delivery of secure, high-quality web and mobile experiences for a SecureSave Emergency Savings product. This role blends technical leadership with deep engineering expertise across modern web frameworks and native mobile platforms, while owning mobile release pipelines and partnering closely with backend engineers, QA, security, product, and compliance teams.

What you will do

Technical Leadership & Architecture

• Define and own the front-end and mobile architecture across web and native platforms.
• Lead development using Vue.js for web applications and React Native for cross-platform mobile solutions, with native iOS and Android expertise where required.
• Establish best practices for performance, accessibility, scalability, and maintainability.
• Drive consistency in UI/UX patterns across platforms while enabling platform-appropriate experiences.

Mobile Engineering & Deployment

• Own and manage the mobile CI/CD and deployment pipeline, including:
  • App Store Connect and Google Play releases
  • Code signing, certificates, and provisioning profiles
  • Versioning, phased rollouts, hotfixes, and rollback strategies
• Ensure reliable build automation, testing, and release processes.
• Partner with QA to implement robust automated testing strategies for web and mobile.

Security & Compliance

• Design and implement secure front-end and mobile application patterns aligned with banking and FinTech standards.
• Partner with security, risk, and compliance teams to meet regulatory requirements (e.g., data protection, authentication, authorization).
• Ensure secure handling of sensitive data, secrets, and credentials.
• Support security reviews, audits, penetration testing, and remediation efforts.

Skills and Abilities

• Proven experience leading engineering teams and technical initiatives.
• Proven ability programming in Vue.js, Typescript, Javascript, and React Native.
• Native iOS and Android
• Hands-on experience owning and operating mobile deployment pipelines.
• Solid understanding of front-end security principles and secure mobile development.
• Experience working in regulated environments (banking, FinTech, or similar).
• Knowledge of authentication and authorization patterns (OAuth, OpenID Connect, MFA).
• Database design and programming with TSQL in MS SQL Server.
• Knowledge of Design Patterns, programming best practices, and SDLC, and modern CI/CD tools.
• Understanding of structure analysis, technical design, and database and file access methods.
• Designing and implement clean architecture in software solutions.
• Knowledge and experience working within Agile.

Education Qualifications

• Bachelor’s Degree in Arts/Sciences (BA/BS) in directly related field preferred

Experience Qualifications

• 5+ years of professional software engineering experience, with significant focus on UI and mobile development.
• Proven experience leading engineering teams and technical initiatives.
• Strong expertise in:
  • Vue.js (modern Vue ecosystem)
  • React Native
• Native iOS and Android
• Hands-on experience owning and operating mobile deployment pipelines.
• Solid understanding of front-end security principles and secure mobile development.
• Experience working in regulated environments (banking, FinTech, or similar).
• Experience with modern CI/CD tools.
• Knowledge of authentication and authorization patterns (OAuth, OpenID Connect, MFA).
• Familiarity with accessibility standards (WCAG) and inclusive design.
• Experience integrating with backend APIs and distributed systems.
• Prior experience supporting audits and SOC reviews.

Remote (Washington preferred). We welcome applications from qualified candidates in all eligible locations; however, candidates located in Washington are preferred due to business needs, customer coverage, or team collaboration requirements.


The estimated salary range for this position is $115,000.00 to $130,000.00. Actual salary may vary up or down depending on job-related factors which may include knowledge, skills, experience, and location. In addition, this position is eligible for incentive compensation.

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Webster Financial Corporation and its subsidiaries (“Webster”) are equal opportunity employers that are committed to sustaining an inclusive environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, marital status, national origin, ancestry, citizenship, sex, sexual orientation, gender identity and/or expression, physical or mental disability, protected veteran status, or any other characteristic protected by law.