Ecolab is looking for an experienced Senior iOS Developer to be part of a dynamic team that's at the forefront of technological innovation in pest control service management. We're leveraging cutting-edge iOS technologies including The Composable Architecture and Swift 6 to create novel solutions that optimize field service operations for our clients. Our work is transforming how pest control services operate, making them more efficient and sustainable. What's in it For You: As a key contributor to our iOS development team, you'll have the opportunity to work with cutting-edge iOS technologies and architectural patterns Impact the success of our innovative mobile solutions and help build the future of our iOS application Our collaborative environment fosters innovation while providing the support and security you need to thrive. What You Will Do: Develop and implement scalable iOS features using Swift 6 and The Composable Architecture Create responsive and user-friendly mobile interfaces with SwiftUI and modern iOS frameworks Build complex database solutions with SQLite/GRDB and reactive data patterns Collaborate with cross-functional teams to implement new application features and enhancements Contribute to code reviews and ensure high code quality adherence to Swift 6 and TCA best practices Write comprehensive tests including snapshot testing and TCA testing patterns Integrate with IoT devices using Bluetooth connectivity for smart pest monitoring equipment Implement offline-first architecture with complex data synchronization Participate in Swift Package Manager modular architecture across 70+ packages Minimum Qualifications: Bachelors degree and 5 years' experience; or no degree and 9 years combined education and equivalent work experience 5 years of experience in iOS development with advanced Swift programming skills Expert-level Swift 6 programming including concurrency features and Sendable conformance Advanced experience with The Composable Architecture (TCA) and SwiftUI Experience with SQLite/GRDB and SharingGRDB for reactive database patterns Experience with Swift Package Manager for modular iOS architecture Proficiency with testing frameworks including Swift Testing and snapshot testing Experience with Git version control and Azure DevOps Strong problem-solving skills and attention to detail Excellent communication and teamwork abilities Ability to adapt to changing priorities and manage multiple tasks effectively Immigration sponsorship is not available for this position. Preferred Qualifications: Previous experience with enterprise field service management applications Experience with Bluetooth/IoT device integration and device management Knowledge of offline-first application architecture and synchronization strategies Experience with CI/CD pipelines including Xcode Cloud and Fastlane Familiarity with point-free ecosystem and advanced Swift library Understanding of international app deployment and localization Experience with enterprise authentication systems and Azure services Knowledge of pest control industry workflows and regulatory compliance Experience with complex testing strategies and TCA testing patterns Proficiency with SwiftLint and automated code formatting standards Annual or Hourly Compensation Range The pay range for this position is $98,600.00 - $148,000.00. Many factors are taken into consideration when determining compensation, such as experience, education, training, geography, etc. We comply with all minimum wage and overtime laws. Benefits Ecolab strives to provide comprehensive and market-competitive benefits to meet the needs of our associates and their families.Click here to see our benefits. If you are viewing this posting on a site other than our Ecolab Career website, view our benefits at jobs.ecolab.com/working-here. Potential Customer Requirements Notice To meet customer requirements and comply with local or state regulations, applicants for certain customer-facing roles may need to:- Undergo additional background screens and/or drug/alcohol testing for customer credentialing. - Be fully vaccinated for COVID-19, including a booster if eligible, unless a religious or medical accommodation is requested by the applicant and approved by Ecolab. Americans with Disabilities Act (ADA) Ecolab will provide reasonable accommodation (such as a qualified sign language interpreter or other personal assistance) with our application process upon request as required to comply with applicable laws. If you have a disability and require accommodation assistance in this application process, please visit the Recruiting Support link in the footer of each page of our career website. Our Commitment to Diversity and Inclusion At Ecolab, we believe the best teams are diverse and inclusive, and we are on a journey to create a workplace where every associate can grow and achieve their best. We are committed to fair and equal treatment of associates and applicants. We recruit, hire, promote, transfer and provide opportunities for advancement on the basis of individual qualifications and job performance. In all matters affecting employment, compensation, benefits, working conditions, and opportunities for advancement, we will not discriminate against any associate or applicant for employment because of race, religion, color, creed, national origin, citizenship status, sex, sexual orientation, gender identity and expressions, genetic information, marital status, age, disability, or status as a covered veteran. In addition, we are committed to furthering the principles of Equal Employment Opportunity (EEO) through Affirmative Action (AA). Our goal is to fully utilize minority, female, disabled and covered veteran individuals at all levels of the workforce. Ecolab is a place where you can grow your career, own your future and impact what matters. We will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles Fair Chance Initiative for Hiring Ordinance and the San Francisco Fair Chance Ordinance.