Back to jobs
New

Staff iOS Engineer

Pune, India

The mission of Arkose Labs is to create an online environment where all consumers are protected from online spam and abuse. Recognized by G2 as the 2023 Leader in Bot Detection and Mitigation, with the highest score in customer satisfaction and the largest market presence four quarters running, Arkose Labs offers the world's first $1M warranties for credential stuffing and SMS toll fraud. With 20% of our customers being Fortune 500 companies, our AI-powered platform combines powerful risk assessments with dynamic threat response to undermine the strategy of attack, all while improving good user throughput. Headquartered in San Mateo, CA, with employees in London, Costa Rica, Australia, India, Malaysia and Argentina. Arkose Labs protects enterprises from cybercrime and abuse

What makes our team special

  • We develop native SDKs that allow developers to integrate sophisticated security measures with simple function calls
  • Our solutions leverage platform-specific capabilities to enhance fraud detection while maintaining a smooth user experience
  • Our SDKs serve over 1 million daily active users (DAU) across various B2C applications
  • We maintain feature parity across platforms while optimizing for platform-specific advantages on iOS (including macOS and VisionOS), Android, and FireOS
  • We're launching initiatives to engage with the developer community through speaking opportunities at events like droidcon and writing developer blog posts. 

As a small, highly-skilled team, each engineer has a significant impact on our product direction and the opportunity to drive innovation across multiple platforms. We're looking to expand our team with experienced engineers who are passionate about creating secure, high-performance mobile solutions at scale.

Role Overview

As a Staff iOS Engineer, you will:

  • Play a crucial role in designing, developing, and maintaining our secure SDK solutions across Apple platforms
  • Work on products that impact over 1 million daily active users, requiring a focus on performance, reliability, and scalability
  • Leverage your expertise in both UIKit and SwiftUI to create separate SDK implementations that cater to different developer preferences and application requirements
  • Collaborate with security experts, product managers, and other engineers to deliver SDKs that meet the highest standards of security, performance, and usability

Key Responsibilities

  • Lead the architecture, design, and implementation of secure SDK components for iOS, macOS, and VisionOS platforms
  • Develop and maintain separate UIKit and SwiftUI SDK implementations with feature parity
  • Establish best practices for secure coding, API design, and SDK integration
  • Collaborate with security teams to implement robust encryption and data protection measures
  • Drive performance optimization initiatives to minimize SDK latency and resource usage
  • Create comprehensive documentation and sample applications to facilitate SDK adoption
  • Provide technical leadership across SDK development initiatives
  • Break down complex epics into manageable features and drive the full development lifecycle from planning to release
  • Stay current with Apple platform updates, security standards, and best practices
  • Participate in code reviews, architectural discussions, and technical planning
  • Work closely with QA to ensure SDK reliability across various device configurations and OS versions
  • Engage directly with customers to gather feedback, provide technical guidance, and improve SDK usability and integration experience
  • Write clean, testable code following modern architectural patterns such as MVI (Model-View-Intent)

Qualifications

Required

  • 8+ years of professional iOS development experience
  • Deep understanding of UIKit, SwiftUI, and the differences between them
  • Proven experience with iOS performance optimization techniques
  • Expertise in writing testable code and implementing modern architectural patterns (such as MVI)
  • Strong knowledge of iOS security concepts (keychain, secure enclave, encryption, etc.)
  • Extensive experience with WebView implementation and optimization
  • Experience with modern Swift programming techniques and patterns
  • Proficiency with dependency management, modularization, and API design
  • Understanding of binary compatibility, semantic versioning, and SDK lifecycle management
  • Experience integrating with RESTful APIs and implementing network security best practices
  • Excellent debugging and performance optimization skills
  • Excellent communication skills for effective customer interaction and ability to document complex technical concepts clearly

Preferred

  • Experience with VisionOS development
  • Knowledge of cryptography principles and implementations
  • Familiarity with mobile security standards (OWASP, NIST, etc.)
  • Experience with CI/CD pipelines for SDK deployment and ability to automate release processes
  • Experience with backend API development and deployment
  • Extensive experience building and maintaining SDK libraries
  • Contributions to open-source projects or published technical content
  • Experience with cross-platform development (React Native, Flutter, etc.) integration
  • JavaScript knowledge and experience with WebView-native bridge implementations
  • Understanding of Apple's App Store guidelines and submission process
  • Experience with automated testing strategies for SDKs

Technologies

  • Swift, Objective-C
  • UIKit, SwiftUI
  • Xcode, Swift Package Manager, CocoaPods
  • Git, CI/CD tools
  • Security frameworks (CryptoKit, CommonCrypto)
  • Networking (URLSession, Combine)
  • WebView, WKWebView, JavaScript
  • Testing frameworks (XCTest, Quick/Nimble)

Why Arkose Labs?

At Arkose Labs, our technology-driven approach enables us to make a substantial impact in the industry, supported by a robust customer base consisting of global enterprise giants such as Microsoft, Roblox, OpenAI, and more. We’re not just a company; we’re a collaborative ecosystem where you will actively partner with these influential brands, tackling the most demanding technical challenges to safeguard hundreds of millions of users across the globe.

Why do top tech professionals choose Arkose Labs?

  • Cutting-Edge Technology: Our high-efficacy solutions, backed by solid warranties, attract leading, global enterprise clients.
  • Innovation and Excellence: We foster a culture that emphasizes technological innovation and the pursuit of excellence, ensuring a balanced and thriving work environment.
  • Experienced Leadership: Guided by seasoned executives with deep tech expertise and a history of successful growth and equity events.
  • Ideal Size: We’re structured to be agile and adaptable, large enough to provide stability, yet small enough to value your voice and ideas.

Join us in shaping the future of technology. At Arkose Labs, you’re not just an employee; you’re part of a visionary team driving global change

The most recognizable brands in the world select Arkose Labs, including OpenAI, Roblox, Microsoft, Adobe, Expedia, Snapchat, Zilch, and ZipAir.

We value your unique contributions, perspectives, and experiences. Be part of a diverse and high-performing environment that prioritizes collaboration, excellence, and inclusion. We hire the best, focus on their professional development, and offer support for continuing education.

We value:

  • People: first and foremost they are our most valuable resource. Our people are independent thinkers who make data driven decisions and take ownership and accountability in all the things they do.
  • Team Work. We demonstrate respect, trust, integrity, and communicate openly with a positive can do attitude and constructively challenge one another
  • Customer Focus. We empathize with our customers and obsess about solving their problems
  • Execution with precision, professionalism and urgency
  • Security. It’s the lens through which we implement our processes, procedures, and programs

Benefits:

  • Competitive salary + Equity
  • Beautiful office space with many perks 
  • Robust benefits package
  • Provident Fund
  • Accident Insurance
  • Flexible working hours and work from home days to support personal well-being and mental health

Arkose Labs is an Equal Opportunity Employer that makes employment decisions without regard to race, color, religious creed, national origin, ancestry, sex, pregnancy, sexual orientation, gender, gender identity, gender expression, age, mental or physical disability, medical condition, military or veteran status, citizenship, marital status, genetic information, or any other characteristic protected by applicable law. In addition, Arkose Labs will provide reasonable accommodations for qualified individuals with disabilities.

Apply for this job

*

indicates a required field

Resume/CV

Accepted file types: pdf, doc, docx, txt, rtf

Cover Letter

Accepted file types: pdf, doc, docx, txt, rtf


Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. Any information that you do provide will be recorded and maintained in a confidential file.

As set forth in Arkose Labs - India’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.

Select...
Select...
Race & Ethnicity Definitions

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection. As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measure the effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categories is as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.

Select...

Voluntary Self-Identification of Disability

Form CC-305
Page 1 of 1
OMB Control Number 1250-0005
Expires 04/30/2026

Why are you being asked to complete this form?

We are a federal contractor or subcontractor. The law requires us to provide equal employment opportunity to qualified people with disabilities. We have a goal of having at least 7% of our workers as people with disabilities. The law says we must measure our progress towards this goal. To do this, we must ask applicants and employees if they have a disability or have ever had one. People can become disabled, so we need to ask this question at least every five years.

Completing this form is voluntary, and we hope that you will choose to do so. Your answer is confidential. No one who makes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If you want to learn more about the law or this form, visit the U.S. Department of Labor’s Office of Federal Contract Compliance Programs (OFCCP) website at www.dol.gov/ofccp.

How do you know if you have a disability?

A disability is a condition that substantially limits one or more of your “major life activities.” If you have or have ever had such a condition, you are a person with a disability. Disabilities include, but are not limited to:

  • Alcohol or other substance use disorder (not currently using drugs illegally)
  • Autoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, HIV/AIDS
  • Blind or low vision
  • Cancer (past or present)
  • Cardiovascular or heart disease
  • Celiac disease
  • Cerebral palsy
  • Deaf or serious difficulty hearing
  • Diabetes
  • Disfigurement, for example, disfigurement caused by burns, wounds, accidents, or congenital disorders
  • Epilepsy or other seizure disorder
  • Gastrointestinal disorders, for example, Crohn's Disease, irritable bowel syndrome
  • Intellectual or developmental disability
  • Mental health conditions, for example, depression, bipolar disorder, anxiety disorder, schizophrenia, PTSD
  • Missing limbs or partially missing limbs
  • Mobility impairment, benefiting from the use of a wheelchair, scooter, walker, leg brace(s) and/or other supports
  • Nervous system condition, for example, migraine headaches, Parkinson’s disease, multiple sclerosis (MS)
  • Neurodivergence, for example, attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder, dyslexia, dyspraxia, other learning disabilities
  • Partial or complete paralysis (any cause)
  • Pulmonary or respiratory conditions, for example, tuberculosis, asthma, emphysema
  • Short stature (dwarfism)
  • Traumatic brain injury
Select...

PUBLIC BURDEN STATEMENT: According to the Paperwork Reduction Act of 1995 no persons are required to respond to a collection of information unless such collection displays a valid OMB control number. This survey should take about 5 minutes to complete.