Oscilar is hiring a Sr./Staff iOS SDK Developer to lead the design, development, and maintenance of our core iOS mobile platform and SDKs. Your work will be critical in ensuring signal integrity to help fintechs manage fraud, credit, and compliance risks. Join a mission-driven team making the digital world safer.

What You'll Do

Lead the research, design, prototyping, implementation, and deployment of holistic end-to-end solutions in the iOS domain.
Develop and maintain highly stable, high-performance, and scalable iOS client SDKs for global enterprise clients.
Collaborate closely with cross-functional teams including product management, frontend, and data science to define requirements and ensure seamless integration.
Stay up to date on the latest iOS platform capabilities, cloud technologies, and AI/ML frameworks to enhance mobile solutions.
Research and implement new innovations in mobile security as the iOS landscape evolves, including evaluating third-party SDKs and APIs.
Drive best practices for code quality, testing, and deployment, including CI/CD pipelines.
Mentor junior developers and contribute to the growth of the mobile engineering team.

What We're Looking For

Strong proficiency in Swift for iOS development.
Deep understanding of iOS SDK, Xcode, and the iOS application lifecycle, including background execution, memory management, and performance optimization.
Experience building SDKs or frameworks consumed by third-party apps, ensuring robust API design and developer experience.
Experience integrating mobile applications with backend services via RESTful APIs and JSON.
Familiarity with cloud computing concepts, data pipelines, and SQL.
Knowledge of basic machine learning concepts, such as supervised and unsupervised learning.
Experience with version control systems, preferably Git.
Proficiency using Xcode Instruments, Simulator, and debugging tools.
Excellent problem-solving abilities and attention to detail.
Strong written and verbal communication skills.
Ability to work effectively in a collaborative, fast-paced environment.
Passion for staying current with the latest iOS development trends and best practices.
Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience).
Minimum 5 years of iOS development experience, with a proven track record of deploying stable mobile components at scale (1M+ end users).

Nice to Have

Experience with fraud prevention, risk management, or fintech applications.
Familiarity with cloud platforms such as Amazon Web Services (AWS).
Contributions to open-source iOS projects or relevant work showcased on GitHub.
Knowledge of security best practices for mobile applications.

Technical Stack

Swift, iOS SDK, Xcode
RESTful APIs, JSON
Git, SQL, AWS

Team & Environment

You will join an exceptional team of engineers, data scientists, and security experts and collaborate closely with cross-functional teams including product management, frontend, and data science. Oscilar is an AI First company; both Co-Founders are engineers at heart, and over 50% of the company is Engineering and Product.

Benefits & Compensation

Competitive salary and equity packages
401k
100% Employer covered comprehensive health, dental, and vision insurance with a top tier plan for you and your dependents (US)
Unlimited PTO policy
Regular team events and offsites
Unparalleled learning and professional development opportunities