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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer - Mobile Applications - **Company:** Boston, Inc. - **Location:** San Jose, CA, United States - **Experience:** Experienced - **Salary:** $106,800.0 - $202,900.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Multitier Architecture, Application Programming Interfaces (APIs), Amazon S3, IOS Applications, Apple IOS, Application Lifecycle Management, Application Performance Management, Computing Platforms, Systems Engineering, User Authentication, Automation of Tests, Bluetooth Low Energy (Bluetooth), Cloud Computing, Cloud Engineering, Software Quality, Code Review, Continuous Integration, Data Security, Data Synchronization, Software Design Patterns, Amazon DynamoDB, Firmware, Human-Computer Interaction, Mobile Application Software, Model View ViewModel, OAuth, Software Architecture, Cloud Services, Material Design, Software Engineering, SonarQube, Systems Architecture, Systems Integration, User-Centered Design, Management of Software Versions, Software Vulnerability Management, Software Organization, Uikit, Mobile Os, Swiftui, Reliability of Systems, Backend, Git, Kotlin, Modularization, Information Technology, Jetpack Compose, Api Gateway, Software Coding, Restful APIs, Multiplatform, Api Management, Jenkins - **Published:** October 31, 2026 - **Apply:** https://diversityjobs.com/career/18802301/Principal-Software-Engineer-Mobile-Applications-California-San-Jose ## About the Role The ideal candidate brings deep expertise in at least one mobile platform (Android or iOS), strong architectural knowledge of both, proven technical leadership, and experience delivering secure, reliable, and compliant software in a regulated environment., * Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field. * 10+ years of software engineering experience, including 8+ years in Android and/or iOS mobile application development. * 3+ years of technical leadership experienceas a Principal Engineer, Technical Lead, Software Architect, or equivalent, driving architecture, engineering standards, and software delivery. * Deep hands-on expertise in Android (Kotlin/Java) or iOS (Swift), with strong architectural knowledge of both platforms and experience with cross-platform mobile development. * Strong experience in mobile software architecture, design patterns (MVVM, Clean Architecture), modularization, SDK development, and application lifecycle management. * Demonstrated experience architecting mobile-to-backend integrations, including RESTful APIs, API contracts, authentication and authorization, secure data transmission, data synchronization, error handling, and cloud-connected application design. * Experience collaborating with backend and cloud engineering teams to define service interfaces, address system-level integration challenges, and ensure application performance, scalability, and reliability. * Proven ability to lead code reviews, establish engineering best practices, mentor engineers, and drive technical quality across development teams. * Experience integrating mobile applications with BLE-enabled devices, cloud services, and secure communication protocols. * 2+ years of experience in medical device software or other regulated industries, with knowledge of IEC 62304, ISO 13485, FDA design controls, and software development lifecycle documentation. * Excellent communication, technical leadership, and collaboration skills, with demonstrated ability to influence architectural decisions and coordinate across global, cross-functional teams., * Experience developing mobile applications for implantable medical devices, particularly neuromodulation systems. * Experience with Kotlin Multiplatform, Android Jetpack, Jetpack Compose, SwiftUI, UIKit, or equivalent modern mobile frameworks. * Experience with AWS services (Cognito, API Gateway, S3, DynamoDB, KMS) and cloud-native integration architectures. * Experience designing secure, resilient mobile-to-cloud communication, including OAuth 2.0, token management, offline synchronization, API versioning, and backward compatibility. * Experience with CI/CD pipelines, Jenkins, Git, SonarQube, and automated mobile and API integration testing. * Knowledge of mobile cybersecurity, encryption, secure storage, threat modeling, and vulnerability management. * Experience leading multiple mobile applications, modernizing legacy platforms, and coordinating distributed engineering teams. ## Description Boston Scientific was recognized by Forbes as one of the Best Workplaces for Engineers in 2026, reflecting a culture where engineers do meaningful work. The Principal Software Engineer - Mobile Applicationswill serve as a hands-on technical leader responsible for the architecture, design, development, integration, and delivery of Android and iOS mobile applications supporting innovative medical device technologies. This role provides end-to-end technical ownershipof existing and next-generation mobile applications, including mobile-to-backend integration architecture, secure device connectivity, and cloud service interactions. The Principal Engineer will drive architectural decisions, engineering best practices, software quality, and technical execution while leading and mentoring mobile engineers and collaborating closely with backend, cloud, and cross-functional engineering teams., * Mobile Architecture & Ownership:Lead the architecture, technical design, development, and evolution of Android and iOS applications, including native and Kotlin Multiplatform solutions, across existing products and new development initiatives. * Mobile-to-Backend Architecture & Integration:Drive the end-to-end design and architecture of mobile application integration with backend and cloud services, including API contracts, data models, authentication, authorization, secure data exchange, error handling, synchronization, and connectivity resilience. Partner with backend and cloud engineering teams to define scalable, reliable, and maintainable system interfaces. * Technical Leadership:Serve as the technical lead for mobile engineering teams, providing technical direction, mentoring engineers, driving architectural decisions, and resolving complex engineering challenges. * Engineering Excellence:Establish and enforce coding standards, design patterns, code reviews, automated testing, CI/CD practices, and software development best practices to ensure high-quality, maintainable applications. * Platform Standards:Ensure adherence to Apple Human Interface Guidelines, Android Material Design, accessibility, performance, security, and platform-specific user experience standards. * Regulated Software Delivery:Own the technical quality and completeness of mobile software deliverables, including architecture, design documentation, risk assessments, traceability, and verification evidence, in accordance with FDA design controls, IEC 62304, ISO 13485, and internal quality processes. * Device & Cloud Connectivity:Oversee secure communication between mobile applications, implantable medical devices, Bluetooth Low Energy (BLE), cloud infrastructure, and supporting software platforms, ensuring end-to-end system reliability, performance, and cybersecurity. * Cross-Functional Collaboration:Partner closely with Backend/Cloud, Firmware, Systems Engineering, UX/UI, Quality, Regulatory, Product Management, and Program Management teams to align system architecture, resolve technical dependencies, and drive product delivery. * Execution & Accountability:Drive technical planning, engineering estimates, risk mitigation, design reviews, integration readiness, and software delivery milestones from concept through commercialization and post-market maintenance. * Hands-On Engineering:Remain actively involved in critical design decisions, code reviews, prototyping, troubleshooting, and resolution of complex technical and integration challenges.