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Principal iOS/Cross-platform Web application Software Engineer

General Information

Ref #:


Travel Amount Required:

Up to 25%

Job Type:

Regular-Full Time


Lowell - Massachusetts - United States, Toronto - Ontario - Canada, Weston - Florida - United States

Description & Qualifications


Are you an iOS Software Engineer with a passion for developing cutting edge mobile that customers value? Are you a self-starter who knows how to be successful in a small, agile team environment? Do you care deeply about product quality, end-user experience and all of the details that make it possible? Do you enjoy sharing your brilliant ideas and having fun with your co-workers every day? Apply today to join UKG’s Mobile Platform team.

UKG is expanding the innovative team that makes up the North America product development offices. Enjoy a fast growing startup type of environment with the stability and award winning culture that exemplifies UKG. An open-minded approach to working with cutting edge Lean and Agile Software Development techniques such as Scrum, Kanban, and XP is a must.

Primary Responsibilities:

• Collaborate with architects and tech leads to spec, write and deploy code.
• Brainstorm features with product managers and designers and guide decisions based on your knowledge of the codebase by provide estimates on development cycles.
• Help our iOS development team in developing different iOS apps within UKG.
• Test, debug, and maintain the application software throughout the product lifecycle.
• Take ownership of the project through the entire development lifecycle.
• Assist our support team in triaging bugs and solving issues in production in your primary area.
• Mentor junior engineers to hone their skillset.


• 7+ years of experience in iOS Development with experience in building and scaling large enterprise / consumer apps.
• Experience working on Web technologies (Javascript/Typescript, HTML, CSS)
• Good understanding of iOS SDK, Swift, Objective-C
• Strong background in mobile design patterns for iOS
• Knowledge of building iOS application from scratch.
• Working knowledge on AppStore approval process
• Total of 10+ years experience in Software development
• Strong experience with object-oriented analysis, design, and programming
• Strong debugging and problem-solving skills and passion for cutting edge mobile technologies
• Tools knowledge: XCode 13 and above, Instruments for profiling.
• Good understanding of software security practices
• Working knowledge in Agile Methodology
• Familiarity with DevOps practices
• Knowledge of Cocoa Touch framework is an asset
• Prior knowledge of software accessibility is an asset
• Experience with CI/CD tooling (Concourse, TeamCity) is an asset


Company Overview

Here at UKG, our purpose is people™. Our HR, payroll, and workforce management solutions help organizations unlock happier outcomes for all. And our U Krewers, who build those solutions and support our business, are talented, collaborative, and innovative problem-solvers. We strive to create a culture of belonging and an employee experience that empowers our people – both at work and at home. Our benefits show that we care about the whole you, from adoption and surrogacy assistance to tuition reimbursement and wellness programs. Our employee resource groups provide a welcoming place to land, learn, and connect with those who share your passions and interests. What are you waiting for? Learn more at  #WeAreUKG 

EEO Statement

Equal Opportunity Employer

Ultimate Kronos Group is proud to be an equal opportunity employer and is committed to maintaining a diverse and inclusive work environment. All qualified applicants will receive considerations for employment without regard to race, color, religion, sex, age, disability, marital status, familial status, sexual orientation, pregnancy, genetic information, gender identity, gender expression, national origin, ancestry, citizenship status, veteran status, and any other legally protected status under federal, state, or local anti-discrimination laws. 

View The EEO Know Your Rights poster and its supplement. 

View the Pay Transparency Nondiscrimination Provision

UKG participates in E-Verify. View the E-Verify posters here.

Disability Accommodation

For individuals with disabilities that need additional assistance at any point in the application and interview process, please email