Senior iOS Engineer (Swift & AWS)
oowlish
Brasília, Federal District, Brazil · Brasília · Brazil
Posted Sep 21, 2026
- Other
- Remote
- IT Operations
Job description
**Join Our Team** Oowlish, one of Latin America's rapidly expanding software development companies, is seeking experienced technology professionals to enhance our diverse and vibrant team. As a valued member of Oowlish, you will collaborate with premier clients from the United States and Europe, contributing to pioneering digital solutions. Our commitment to creating a nurturing work environment is recognized by our certification as a Great Place to Work, where you will have opportunities for professional development, growth, and a chance to make a significant international impact. We offer the convenience of remote work, allowing you to craft a work-life balance that suits your personal and professional needs. We're looking for candidates who are passionate about technology, proficient in English, and excited to engage in remote collaboration for a worldwide presence. ## About the Role We are looking for an experienced **Senior iOS Engineer** to join a cloud-native engineering team working on modern, customer-facing mobile applications and digital experiences. This is a hands-on engineering role combining deep **native iOS development expertise with AWS cloud technologies, modern application architecture, CI/CD, testing, and direct customer collaboration**. You will work alongside Engineers, Architects, Engineering Managers, and Project Managers to design and deliver high-quality solutions for complex mobile initiatives. The role requires strong software engineering fundamentals, the ability to build and maintain production-ready iOS applications, and confidence working directly with customer engineering teams. The ideal candidate brings deep **Swift and native iOS expertise**, strong knowledge of application design and development patterns, AWS experience, and the communication skills required to succeed in a consulting and client-facing environment. ### Responsibilities: - Design, build, maintain, and enhance production-grade native iOS applications. - Develop high-quality mobile solutions using **Swift** and modern iOS development practices. - Collaborate with Architects and Engineering Managers to translate technical requirements into scalable solutions. - Apply appropriate application architecture, software design patterns, and engineering best practices. - Integrate mobile applications with APIs, cloud services, SDKs, and external platforms. - Contribute to mobile initiatives involving tracking, attribution, deep linking, in-app experiences, and customer journey optimization. - Write production-ready, well-tested, maintainable, and documented code. - Build and maintain automated testing for mobile applications. - Contribute to and maintain CI/CD pipelines supporting mobile application delivery. - Work with AWS services and cloud-native architectures supporting mobile applications. - Troubleshoot and resolve issues across development, staging, and production environments. - Participate in code reviews and technical knowledge sharing. - Participate in Agile ceremonies including daily standups, sprint planning, retrospectives, and demos. - Collaborate directly with customer engineering teams and clearly communicate technical decisions, progress, risks, and trade-offs. ### Requirements: - Strong professional experience developing production **native iOS applications**. - Deep hands-on experience with **Swift**. - Strong understanding of iOS application architecture and software design patterns. - Experience designing, developing, testing, and supporting production applications. - Experience integrating mobile applications with APIs, SDKs, and backend/cloud services. - Strong experience working with **AWS cloud environments**. - Experience with CI/CD and mobile application delivery automation. - Strong understanding of testing and software quality practices. - Experience working in Agile software development environments. - Strong customer-facing communication skills. - Ability to clearly explain technical decisions and trade-offs. ### Must Have: - Strong hands-on **Swift** development experience. - Strong native **iOS development** experience. - Experience building and supporting production mobile applications. - Strong understanding of: - Mobile application architecture. - Software design patterns. - Application lifecycle. - API and service integrations. - Strong experience with **AWS cloud services**. - Experience integrating native applications with cloud-based backend systems. - Experience building and maintaining **CI/CD pipelines**. - Strong testing and automation practices. - Experience writing, reviewing, and deploying production-quality code. - Experience troubleshooting applications across development and production environments. - Experience participating in code reviews. - Strong client-facing communication skills. - Ability to work effectively with Engineers, Architects, Engineering Managers, and customer technical teams. ### Nice to Have: - **Objective-C** experience, particularly supporting or modernizing legacy iOS applications. - Experience with mobile attribution and analytics technologies. - Experience implementing mobile **deep linking**. - Experience integrating third-party mobile SDKs. - Experience with **Firebase**. - Experience with **AppsFlyer** or similar attribution platforms. - Experience with CDP or customer-data integrations. - Experience working on marketing technology or conversion-related mobile initiatives. - Experience with modern web/application technologies such as: - React - Node.js - TypeScript - Python - Familiarity with Generative AI technologies. - UI/UX experience.