[Remote] Principle iOS Engineer

Note: The job is a remote job and is open to candidates in USA. Constant Contact is a company dedicated to empowering businesses and individuals to succeed online. They are seeking a Principal iOS Engineer to lead the development of core iOS mobile features, ensuring architectural alignment and quality throughout the Agile product development lifecycle.ResponsibilitiesProvide hands-on contribution and technical leadership across the Agile product development lifecycle, ensuring architectural alignment and quality. This includes actively participating in and leading daily standup sessions, sprint planning meetings, and retrospective meetings to:Act as the senior technical voice in collaboration with Product Management and UX to refine the backlog, defining user story technical priorities and acceptance criteriaOversee and ensure accurate progress tracking and transparency of team tasks within JiraEnsure accurate technical sizing and commitment during sprint planning based on deep system knowledgePresent and champion architectural solutions and finalized complex features to team members and stakeholdersServe as a hands-on technical leader, designing, building, and deploying core iOS mobile features, while driving architectural standards and collaborating with Constant Contact mobile and back end services teams to deliver software solutions that meet functional requirements:Utilize expert-level Swift programming and the Xcode environment to build, test, and implement complex and high-priority iOS featuresMaintain code quality and architectural integrity by serving as a key approver on Github pull requests for critical feature domainsDefine the team’s mobile testing strategy and implement advanced unit, integration, and UI test cases using the XCTest frameworkAs needed, drive the resolution of complex, critical production issues, including performing root cause analysis and implementing strategic long-term fixes to enhance system resilience and stabilityAct as the primary technical liaison between the Mobile team and dependent Backend Services teams, proactively influencing external teams' roadmaps to ensure service development aligns with mobile application needsMaintain a deep understanding of the Constant Contact web application architecture and its relationship to the mobile apps to drive strategic architectural discussionsDrive Engineering Excellence and Technical Mentorship:Lead the development of prototypes and contribute expert guidance to system and application architecture discussionsReview the pull requests of peer engineers and recommend good practices in GithubParticipate in the pair programming for knowledge sharing and collaborationImprove performance of the mobile applicationProvide trainings to other team membersDocument code where necessary, such as APIs, and keep team practices and knowledge up to dateSeek out learning opportunities like iOS, Swift UI and mobile developer conferences and online coursesMentor and guide team members, serving as the technical lead for critical application domains encompassing mobile development (iOS, Android) and API servicesSkills10+ years of industry experience in software development is required8+ years developing native mobile iOS applications is required4+ years programming in Swift is requiredExpertise in modern frameworks and patterns including Swift Concurrency, SwiftUI, Combine, MVVM, and MVIProven ability to define, design, and implement robust, scalable iOS application architecturesMandatory experience leading technical decisions for a software development team and driving technical excellenceExpertise in defining and implementing comprehensive mobile application testing strategies (unit, integration, and UI testing using XCTest or equivalent)Drive technical direction and champion best practices within a highly collaborative, cross-functional Agile teamExceptional ability to influence technical roadmaps, drive consensus among senior engineers, and negotiate architectural decisions across multiple teamsExpertise in articulating and advocating for high-level engineering design strategies focused on system scalability, performance, security, and long-term maintainabilityAccountability for technical outcomes, prioritizing solutions that directly impact team effectiveness, product stability, and critical customer success metricsProactively identifies, diagnoses, and removes technical and process bottlenecks across the organization to accelerate delivery and improve developer experienceA recognized technical expert who maintains deep knowledge of emerging iOS, mobile, and agentic coding trends, applying them strategically to inform architectural evolutionDrive a culture of continuous technical improvement, serving as a mentor to senior and staff engineers on best practices, code quality, and engineering excellenceExperience with Objective-C is desirable for legacy integration and migrationExperience with test-driven development (TDD) is highly valuedHands-on experience leveraging generative AI platforms like Claude Code for tasks such as component generation, technical documentation, and system health insightsExpertise in implementing Agentic Coding paradigms, including designing and integrating MCPs (Model Context Protocol) and custom AI Skills or PluginsExperience establishing Agentic CI/CD workflows for automated processes like PR approvals, AI Quality Engineering (AI QE), and AI SecurityBenefitsThe compensation package includes health and welfare benefits including paid leave.We have programs in place that bring us together on important issues and provide educational opportunities for all employees.You’ll have opportunities to grow your career.We encourage and support our team members to learn different aspects of the business, take on stretch assignments, seek coaching opportunities and professional development opportunities.A generous paid time off policy and a competitive benefits package that supports the health and well-being of you and your familyOur hybrid work model combines the convenience of remote work with access to our great office locations to collaborate in-person, participate in live trainings, and socialize with colleagues.Company OverviewConstant Contact makes digital marketing easy and effective for small businesses and nonprofits across the globe. It was founded in 1995, and is headquartered in Waltham, Massachusetts, USA, with a workforce of 1001-5000 employees. Its website is http://www.constantcontact.com.Company H1B SponsorshipConstant Contact has a track record of offering H1B sponsorships, with 20 in 2025, 16 in 2024, 16 in 2023, 33 in 2022, 21 in 2021, 27 in 2020. Please note that this does not guarantee sponsorship for this specific role.