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Experience Level
Senior
Qualifications
The ideal candidate will possess a strong background in iOS development with expertise in Swift and Objective-C. A minimum of 5 years of professional experience in mobile application development is required. Familiarity with RESTful APIs, third-party libraries, and cloud messaging services is essential. Strong problem-solving skills and a passion for learning new technologies are highly valued.
About the job
MetroStar Systems is seeking a Senior iOS Engineer based in Washington, DC. This position centers on designing, building, and maintaining mobile applications that support the company’s digital initiatives.
Role overview
The Senior iOS Engineer will take ownership of developing mobile apps from concept through delivery. The work involves close collaboration with colleagues across different disciplines to ensure software meets project goals and client expectations.
Key responsibilities
Design and implement new features for iOS applications
Maintain and improve existing mobile products
Work with cross-functional teams to deliver reliable, high-quality solutions
About MetroStar Systems
MetroStar Systems is a leading technology solutions provider based in Washington, DC. We specialize in developing cutting-edge software solutions that empower our clients to achieve their business objectives. Our team is dedicated to innovation, collaboration, and delivering exceptional results.
Join DuckDuckGo, a leading online privacy company, as a Senior iOS Engineer. Our remote-first team, comprising over 300 dedicated professionals, is on a mission to enhance online trust and protect user privacy. Since our inception in 2008 and achieving profitability in 2014, we have garnered annual revenues exceeding $100 million and millions of users relyin…
About UsWelcome to DuckDuckGo, a leader in online privacy protection and a remote-first team of over 300 dedicated professionals committed to elevating the standard of trust on the internet. Established in 2008 and achieving profitability since 2014, we now generate annual revenues exceeding $100 million USD. Our browser is beloved by millions across platforms including Mac, Windows, iOS, and Android. Our search engine and DuckDuckGo subscription service are designed with user privacy at the forefront. Our culture embraces trust, inclusivity, and empowered collaboration, allowing every team member to own their projects from inception to completion. If you are looking for a role that grants you complete ownership of your work, you’ve found the right place!Your RoleAs a vital member of our Backend Functional Team, you will spearhead intricate projects that align with our key business objectives. Utilizing Perl (Version 5), Go, and Node.js, you’ll craft practical, efficient, and testable code that performs consistently. Recent initiatives you may work on include:Integrating AI-assisted answers into our Search product while upholding our commitment to user privacy.Enhancing Duck.ai to position it as a competitive AI chat alternative for both free and premium users.Developing advanced data processing pipelines to sustain search relevance.In your capacity as a Senior Backend Engineer, you will work collaboratively with your peers in a remote setting, tackling product issues that affect our comprehensive privacy solution, regardless of their scale. As you progress, you will also mentor fellow engineers, fostering their professional development and contributing to the growth of the Backend Team at DuckDuckGo.
DuckDuckGo is a remote-first company dedicated to online privacy. Since 2008, the team has grown to over 300 people. The company reached profitability in 2014 and now brings in more than $100 million in annual revenue. Millions rely on DuckDuckGo’s search engine and browser for Mac, Windows, iOS, and Android. Their product suite includes privacy-focused tools like the search engine and Privacy Pro services. The culture emphasizes trust, inclusivity, and empowering team members to take ownership of their work. The Senior Product Designer role is fully remote. This position works with colleagues across the company to identify product challenges and design new solutions that strengthen privacy for a wide user base. The focus is on improving existing products and shaping new features that make privacy accessible and appealing. What you will do Lead major design projects from initial concept through launch, impacting millions of users Work with cross-functional teams to identify opportunities and address product challenges Explore, test, and refine design concepts to improve user experience Analyze complex problems, propose actionable solutions, and implement them with clear success metrics Contribute to product design decisions, working within a privacy-first, ethical design framework For more on DuckDuckGo’s design philosophy, visit https://spreadprivacy.com/ethical-by-design/.
About UsWelcome to DuckDuckGo, a pioneering online privacy protection company and a remote-first team of over 300 dedicated professionals. Our mission, since our inception in 2008, has been to elevate the standard of trust online. With profitability achieved in 2014 and annual revenue now surpassing $100 million, we proudly serve millions of users across our browser platforms on Mac, Windows, iOS, and Android. Our search engine and the DuckDuckGo subscription are designed with user privacy in mind. We foster a culture of trust, inclusivity, and empowered project management, allowing every team member to take full ownership of their projects from inception to execution. If you are looking for a role where you can manage your own work journey, you have found the right place!Your Team and RoleAs a member of the Data Science Functional Team, you will play a pivotal role in driving product and business outcomes through statistical modeling, experimental design, and classifier implementation across our various platforms including our search engine, instant answers, AI, and revenue optimization initiatives. You will engage in cross-functional collaboration to validate strategies using data, enhance trust in organizational tactics by conducting and guiding experiments, and become a key expert in our core performance metrics such as searches, installations, and revenue generation.In this role, you will be responsible for significant components of our data pipeline, identifying and rectifying data integrity challenges and implementing derived data features for internal stakeholders. Given our commitment to rigorous privacy standards and the naturally sparse nature of our data, you will need to employ creative thinking to unearth actionable insights in a culture that prioritizes evidence-based decision-making and quantitative rigor.As a Senior Data Scientist, you will contribute to shaping our comprehensive privacy solution and support our mission to demonstrate that safeguarding online privacy can be straightforward.
About PerfectServe PerfectServe develops clinical communication and physician scheduling solutions used by healthcare organizations nationwide. The company has earned Best in KLAS ratings and appears in the Gartner Magic Quadrant for Clinical Communication and Collaboration. Over the past three years, PerfectServe has grown by 88%. The team focuses on improving the speed and coordination of care by optimizing provider schedules and making sure messages reach the right person at the right time. This work supports better patient outcomes and streamlines clinical workflows. PerfectServe’s technology helps reduce hospital stays, lower readmission rates, and ease the daily work of healthcare providers. The company continues to expand its customer base as more organizations adopt its solutions.
Hungryroot delivers groceries, recipes, and supplements tailored to each customer’s needs. The company aims to make healthy living simple and enjoyable, blending convenience with quality. With a team spread across more than 28 states and headquarters in New York City, Hungryroot operates as a remote-first workplace. Collaboration, flexibility, and ownership shape the team’s approach, supported by regular virtual meetings and an annual in-person retreat. Role overview The Senior iOS Software Engineer will help shape Hungryroot’s mobile app. This role centers on developing and maintaining iOS features using Swift and SwiftUI, with a focus on integrating AI tools into the development process. Managing the full lifecycle of mobile features, from idea to release, is a key part of the job. AI-powered tools are used to speed up development, encourage iteration, and improve product quality. What you will do Design, build, and maintain iOS features with Swift and SwiftUI Apply AI-powered tools to streamline development and enhance quality Work closely with product and design teams to iterate on customer-facing features Support a culture of frequent shipping and ongoing improvement Requirements Proven experience building iOS apps with Swift and SwiftUI Comfort with AI tools and agents in the daily workflow Enjoys cross-functional collaboration and rapid iteration Works well in a distributed, remote-first team Location and culture This remote position is open to candidates based in the United States. Hungryroot values flexibility, strong team connection, and accountability. Most collaboration is virtual, with an annual company retreat for in-person connection.
Full-time|$145K/yr - $170K/yr|Remote|United States (Remote)
Join Our Team as an iOS Engineer!Fieldwire is seeking a skilled and innovative iOS Engineer to spearhead our dynamic engineering team! Our iOS application is developed natively—from its original Objective-C foundation to the latest Swift advancements—ensuring peak performance in various environments, whether online or offline. We are committed to leveraging the full potential of the iOS platform, adhering to Apple’s design guidelines and integrating the latest iOS features.As the iOS team behind the top-rated construction app on the App Store, we work closely with product and design teams to create mobile applications that are essential for construction crews, helping them save time and resources on the job site.Key Responsibilities:Design, develop, and maintain our iOS app using Objective-C and Swift.Assist with issue triaging and debugging using appropriate tools.Collaborate with cross-functional team members to improve features based on stakeholder feedback.Partner with design and product teams to create impactful features.Stay informed on the latest trends and advancements in iOS development.Contribute to our engineering standards, tools, and processes.
Full-time|$160K/yr - $200K/yr|On-site|New York, New York
Join Via as a Senior iOS Engineer and be a vital part of our mission to revolutionize transportation globally. You will focus on enhancing the rider experience, including booking, account management, and more. Additionally, you will play a key role in managing and advancing our multi-platform UI and automation testing infrastructure.
About the Role Join us as an iOS Engineer, where you will take charge of enhancing our iOS applications. Your role will involve implementing innovative features, designing new user interfaces, conducting thorough testing, and expanding our app's reach into new markets. Collaborate with a diverse, globally distributed team to drive our growth initiatives. Our Technology Stack Swift UIKit SwiftUI Jenkins Fastlane MVC Your Responsibilities Assume ownership of our existing iOS applications Facilitate releases of new app versions across various regions Develop end-to-end features on our platforms Create captivating UIs to keep users engaged with global sporting events (World Cup, Football Euros, Olympics, etc.) Your Profile At least 4 years of experience writing clean Swift code for iOS applications Proven experience in developing, delivering, and supporting native iOS applications integrating REST APIs, push notifications, and handling multithreading Strong understanding of multithreading, memory management, networking, caching, performance optimization, localization, and security for mobile applications Fluency in English is essential as our working environment is English-speaking What We Offer Remote-first company committed to sustainability Competitive salary with performance-based bonuses every quarter 28 days of paid annual leave Core working hours from 10 AM to 3 PM in your local time zone with flexibility beyond these hours Referral bonuses and additional flash bonuses State-of-the-art equipment Annual company retreats for excellent networking opportunities Interview Process Initial remote video screening with our Talent Acquisition Team Take-home assignment Remote video interview with team members (60 minutes) Final discussion with the hiring manager (60 minutes) If you are interested, we encourage you to apply! Every application is reviewed by a member of our team (AI is not utilized in our recruitment process), and we aim to respond within 48 hours.
Senior iOS EngineerJoin our dynamic team at Post as a Senior iOS Engineer, where you will play a pivotal role in developing and enhancing the Post.News mobile application.This position is fully remote within the U.S.Unfortunately, we are unable to provide visa sponsorship at this time.About UsAt Post, we are redefining the social media landscape by fostering real conversations and delivering authentic news. We believe in creating a platform where users can engage with innovative ideas and thoughtful discussions, free from the negativity that often plagues social networks.Your Responsibilities:Collaborate with a passionate, mission-driven team to enhance our mobile app.Work closely with cross-functional teams to prioritize and implement new features.Take ownership of the entire development process, from concept to deployment.Make a significant impact on a fresh player in the online social space.Design and develop sophisticated iOS applications using Swift and Objective-C.Ensure the highest standards of performance, quality, and responsiveness in our iOS applications.Qualifications:5+ years of hands-on experience in iOS development.Proven track record in designing and developing complex iOS applications from the ground up.In-depth knowledge of iOS SDK and frameworks, including UIKit, Core Data, Core Animation, and Core Graphics.Familiarity with RESTful APIs, JSON, and XML for seamless data integration.Experience with version control systems, particularly Git.Exceptional problem-solving and analytical abilities.Strong communication and interpersonal skills to work effectively within a team.Ability to thrive both independently and as part of a collaborative team.Preferred Qualifications:Previous experience in a startup environment.Background in developing social applications.Experience in Enterprise Social Networking.
Join our team at Jobs for Humanity as a Senior iOS Engineer, where you'll play a pivotal role in developing innovative mobile applications that make a difference in people's lives. We're looking for a talented and experienced engineer who is passionate about creating seamless user experiences and has a strong understanding of iOS development.In this role, you will collaborate with cross-functional teams to design, develop, and maintain iOS applications while ensuring high performance, quality, and responsiveness of applications. You will also be responsible for identifying and fixing bugs, and continuously improving the application experience.
You are a passionate and innovative engineer committed to enhancing product quality and user experience through technology that positively impacts lives. In this role, you will be:A creator who takes joy in designing sophisticated consumer applications from the ground up.A strategist capable of transforming intricate requirements into streamlined, scalable mobile architecture.A quality-driven individual who takes pride in delivering polished mobile experiences.A proactive self-starter who flourishes in dynamic and uncertain environments.A collaborative team player, effectively working with cross-functional teams in product, design, AI, and backend development.A proficient time manager, adept at prioritizing tasks across multiple projects.A technology enthusiast, eager to explore AI-driven applications and the future of personalized health solutions.
As a Senior iOS Software Engineer at dev2, you will play a pivotal role in designing and developing innovative iOS applications. We seek a passionate and skilled engineer who thrives in a dynamic environment. You will collaborate with cross-functional teams to deliver high-quality software solutions that enhance user experiences.
Toptal seeks a Senior Mobile Engineer with deep experience in both iOS and Android development. This is a remote role available to candidates located in the United States. Role overview This position centers on designing and building mobile applications for diverse clients. The work involves collaborating with a talented team to deliver solutions that meet client needs and project goals. What you will do Develop and maintain mobile applications for iOS and Android platforms Collaborate with team members to ensure project requirements are met Apply your expertise to influence project outcomes and client satisfaction Requirements Strong experience in both iOS and Android development Based in the United States Comfortable working fully remotely
MetroStar Systems is seeking a Senior iOS Engineer based in Washington, DC. This position centers on designing, building, and maintaining mobile applications that support the company’s digital initiatives. Role overview The Senior iOS Engineer will take ownership of developing mobile apps from concept through delivery. The work involves close collaboration with colleagues across different disciplines to ensure software meets project goals and client expectations. Key responsibilities Design and implement new features for iOS applications Maintain and improve existing mobile products Work with cross-functional teams to deliver reliable, high-quality solutions
Full-time|$131K/yr - $197K/yr|On-site|New York City
At Compass, we are dedicated to helping everyone find their place in the world. Since our inception in 2012, we have been at the forefront of revolutionizing the real estate sector with our comprehensive platform that enables residential real estate agents to provide outstanding service to both sellers and buyers.About the RoleThe Client Infrastructure team is the backbone of innovation, offering the essential platform, tools, and infrastructure that empower our iOS engineering teams to swiftly build, deploy, and deliver high-quality features. As a Senior Software Engineer within the iOS Platform sub-team, you will take on the role of a technical leader, driving the future of iOS development at Compass. You will cultivate a culture of technical excellence and developer empowerment among our team of over 40 iOS engineers.We seek a pragmatic visionary who can dissect complex iOS architectures to mitigate future technical debt, streamline extensive build systems, and implement scalable and resilient platform solutions that enhance productivity across the engineering team. In addition to execution, you will serve as a mentor and technical leader for aspiring iOS engineers, spearheading impactful and high-complexity platform initiatives. You will lead by example—innovating, teaching, and shaping the future of iOS engineering at Compass.This position necessitates profound expertise in iOS platforms coupled with strategic foresight to amplify the capabilities of our entire iOS organization through robust platform infrastructure.ResponsibilitiesSteer the technical roadmap for iOS platform infrastructure, promoting a leading developer experience and modern iOS development methodologies among 40+ iOS engineers.Design, scale, and maintain core capabilities of the iOS platform, which include build systems, testing infrastructures, API frameworks, and shared libraries, ensuring they meet the performance and quality demands of all iOS product teams.Oversee the iOS testing strategy and infrastructure, empowering teams to uphold rigorous testing standards via intelligent automation, AI-enhanced testing tools, and quality gates that enforce best practices.Lead initiatives for iOS platform modernization, including the Swift 6 migration strategy, adopting Kotlin Multi Platform, and reducing technical debt while advocating for coding standards and architectural patterns.Refine iOS build system infrastructure (Bazel) serving over 40 engineers, focusing on reducing build times, implementing caching strategies, and developing productivity tools that guide engineers along the optimal path.Establish and enhance standards for iOS app performance, reliability, and monitoring metrics.
Join our dynamic team at dev2 as a Senior iOS Software Engineer. In this role, you will leverage your expertise to design, develop, and maintain innovative applications for iOS devices. You will work closely with cross-functional teams to create high-quality software solutions that meet our users' needs. Your contributions will help shape the future of our mobile applications and enhance user experience.
Join dev2 as a Senior iOS Software Engineer and play a pivotal role in developing innovative mobile applications that enhance user experiences. You will collaborate with a talented team of engineers and designers to create high-quality software solutions.
Full-time|Hybrid|Palo Alto, CA (Open to US-based Remote)
Join Wealthfront as a Senior iOS Engineer and play a pivotal role in shaping our investment and cash account features within our iOS application. This position offers the flexibility of US-based remote work or a hybrid model in our Palo Alto, CA office. Collaborate within a dynamic, cross-functional scrum team to design, develop, and enhance features that empower our clients to build wealth on their own terms. In addition to app development, you will be responsible for writing comprehensive automated tests and integrating with our in-house design systems and backend API.
Full-time|$185K/yr - $225K/yr|Remote|United States - Remote
WeightWatchers is a leading global digital health company.WeightWatchers stands as the world’s premier doctor-recommended and clinically validated behavioral weight health program. For over sixty years, we have been at the forefront of the industry, combining scientific research with community support to assist millions in cultivating sustainable healthy habits.As the landscape of weight health evolves, so do we. We are transforming the industry by establishing new clinical pathways for GLP-1 medication access, developing specialized behavioral programs for members utilizing weight-loss medications, and marrying medical care with our proven habit-change framework. By integrating these clinical innovations with our digital-first community, we are distinctly positioned to shape the future of weight health care.Who We AreAt WeightWatchers, our Engineering Team is pivotal in driving transformational change through technology, redefining how countless individuals engage with weight health and wellness. Our team crafts digital solutions that foster personalized connections and inclusive virtual communities, empowering members to adopt healthier habits and realize lasting lifestyle changes. Whether pioneering a comprehensive telehealth platform, optimizing medication accessibility, or diving into exciting AI integrations, we lead with data-driven innovations that enhance healthcare outcomes. Our culture thrives on urgency, collaboration, and a commitment to impactful work that directly benefits our members.What You’ll DoAs an integral part of the Mobile Product Engineering team, your responsibilities will include:Developing and enhancing essential native features of the WeightWatchers iOS app to support our members' health journeys, including food tracking, activity logging, weight trends, and the introduction of AI-driven health insights.Delivering exceptional UI/UX using cutting-edge Apple frameworks to ensure a seamless, intuitive app experience.Collaborating closely with Product, Design, Data, and Behavioral Science teams to implement features that facilitate daily habit formation and medical weight-loss journeys (including our GLP-1 Med+ initiatives).Taking ownership of the rollout of upcoming flagship initiatives, such as Lock Screen Widgets, Live Activities, and health data integrations.Influencing architectural decisions and technical standards for our iOS application to ensure a robust, modular, and testable codebase.
