Principal iOS Engineer

At Constant Contact, we are seriously awesome people who take ownership and make an impact by operating with the mindset, integrity and courage of a small business owner. There’s something so profoundly rewarding about knowing that your work is empowering people everywhere to pursue their dreams . Here, we all play an integral part in helping business owners, entrepreneurs, non-profits and individuals to succeed by giving them all the help and tools they need to grow online. We’re energized by new challenges and new possibilities-and we’re just getting started! Our mobile team has an exciting opportunity for a Principal iOS developer to help lead and build exciting phone and tablet apps in Swift. What You'll Do: Provide 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 criteria. Oversee and ensure accurate progress tracking and transparency of team tasks within Jira. Ensure accurate technical sizing and commitment during sprint planning based on deep system knowledge. Present and champion architectural solutions and finalized complex features to team members and stakeholders. Serve 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 features. Maintain code quality and architectural integrity by serving as a key approver on Github pull requests for critical feature domains. Define the team’s mobile testing strategy and implement advanced unit, integration, and UI test cases using the XCTest framework. As 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 stability. Act 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 needs. Maintain a deep understanding of the Constant Contact web application architecture and its relationship to the mobile apps to drive strategic architectural discussions. Drive Engineering Excellence and Technical Mentorship: Lead the development of prototypes and contribute expert guidance to system and application architecture discussions. Review the pull requests of peer engineers and recommend good practices in Github Participate in the pair programming for knowledge sharing and collaboration. Improve performance of the mobile application Provide trainings to other team members Document code where necessary, such as APIs, and keep team practices and knowledge up to date Seek out learning opportunities like iOS, Swift UI and mobile developer conferences and online courses. Mentor and guide team members, serving as the technical lead for critical application domains encompassing mobile development (iOS, Android) and API services. Who you are: Technical Skills Core iOS & Development: 10+ years of industry experience in software development is required. 8+ years developing native mobile iOS applications is required. 4+ years programming in Swift is required. Expertise in modern frameworks and patterns including Swift Concurrency, SwiftUI, Combine, MVVM, and MVI. Proven ability to define, design, and implement robust, scalable iOS application architectures. Mandatory experience leading technical decisions for a software development team and driving technical excellence. Experience with Objective-C is desirable for legacy integration and migration. Quality & Testing: Expertise in defining and implementing comprehensive mobile application testing strategies (unit, integration, and UI testing using XCTest or equivalent). Experience with test-driven development (TDD) is highly valued. AI/Agentic Coding Expertise: Ability to architect and govern the integration of AI-powered features (e.g., in-app AI Assistants, content generators) into the mobile architecture. Hands-on experience leveraging generative AI platforms like Claude Code for tasks such as component generation, technical documentation, and system health insights. Expertise in implementing Agentic Coding paradigms, including designing and integrating MCPs (Model Context Protocol) and custom AI Skills or Plugins . Experience establishing Agentic CI/CD workflows for automated processes like PR approvals, AI Quality Engineering (AI QE), and AI Security. Leadership Skills Drive technical direction and champion best practices within a highly collaborative, cross-functional Agile team. Exceptional ability to influence technical roadmaps, drive consensus among senior engineers, and negotiate architectural decisions across multiple teams. Expertise in articulating and advocating for high-level engineering design strategies focused on system scalability, performance, security, and long-term maintainability. Accountability for technical outcomes, prioritizing solutions that directly impact team effectiveness, product stability, and critical customer success metrics. Proactively identifies, diagnoses, and removes technical and process bottlenecks across the organization to accelerate delivery and improve developer experience. A recognized technical expert who maintains deep knowledge of emerging iOS, mobile, and agentic coding trends, applying them strategically to inform architectural evolution. Drive a culture of continuous technical improvement, serving as a mentor to senior and staff engineers on best practices, code quality, and engineering excellence. Fosters engineering visibility by advocating for and contributing to relevant internal and external Open Source initiatives. #LI-HK1 #LI-Remote The specific salary offered to a candidate may be influenced by a variety of factors including the candidate’s experience, their education and work location. In addition, some roles may be eligible for additional on target commission pay or bonus. The compensation package includes health and welfare benefits including paid leave. Pay Transparency - All Full Time Employees $159,500 — $191,400 CAD Why You’ll Love Us: We celebrate one another’s differences. We are proud of our culture of diversity and inclusion, and we're always working hard to strengthen and improve this culture. We have programs in place that bring us together on important issues and provide educational opportunities for all employees. Join the experts. If you're passionate about supporting businesses and organizations, you won’t find a better spot to share your talent. We’re dedicated to improving the quality of our product from a customer standpoint and have a true desire to enable the success of businesses, non-profit organizations, and community groups. 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 family At Constant Contact, we’re all about work flexibility and are proud to serve our customers as a hybrid workforce. Our 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. Application Deadline: 30 days. We may fill this job opening prior to the deadline if a candidate is selected by us. Vision6 Pty Limited is an affiliate of Constant Contact, Inc. and a part of the Constant Contact group of brands. Constant Contact is an equal opportunity employer. We do not discriminate on the basis of race, color, religion, sex, gender, gender identity, national origin, citizenship, age, disability, sexual orientation, genetic information, veteran status or any other status protected under applicable law. If you require accessibility assistance applying for open positions, please contact [email protected]. The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c) It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. 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