Senior iOS Engineer Job at Whatnot

Senior iOS Engineer

We are looking for seasoned iOS Engineers to join our Mobile engineering teams a...

Location

Estonia , Tallinn

Salary:

Not provided

Bolt

Expiration Date

Until further notice

Requirements

You are great at making data-driven decisions that positively impact the business
You have a drive for leading initiatives and features till the end
You have experience testing and releasing mobile changes while ensuring their quality across multiple iOS versions
You have experience with unit testing and automation testing frameworks (XCTest, Quick/Nimble)
You have strong principles towards writing clean, simple, secure, and maintainable code
You possess a solid understanding of algorithms and data structures

Job Responsibility

Architecting, designing, developing, and deploying Bolt's growing backend
Designing, developing, A/B testing and deploying solutions that improve our user journey
Working closely with back-end engineers to define and implement API integrations for micro-mobility-related business logic
Testing your solutions thoroughly to make sure they meet their intended goals
Building a deep understanding of our products and of the way they impact the business metrics and end users
Leading feature developments from idea to the point where they bring positive, validated impact to the end users

What we offer

Rewarding salary and stock options
Wellness perks for physical and mental health
1-month paid sabbatical after 5 years
Annual company events and smaller team gatherings

Senior Ios Engineer

KAYAK is a global travel company seeking a Senior iOS Engineer to join the team ...

Location

Lithuania , Kaunas

Salary:

3333.00 - 6600.00 EUR / Month

KAYAK

Expiration Date

Until further notice

Requirements

Senior-level knowledge of Swift and iOS development
Strong computer science background with proven understanding of fundamental algorithms and data structures
An analytical mindset and excellent problem solving skills
Ability to work autonomously while maintaining attention to detail
Competence in collaborating with non-technical colleagues such as designers and product managers
Passion for mobile and enthusiasm about building phenomenal products
Fluent English communication skills
Ability to thrive in a hybrid working model, working at least three office days per week

Job Responsibility

Collaborate with designers, product managers, engineers and QA to define, design and ship new features
Implement pixel-perfect UIs and take ownership of a piece of the codebase
Champion team goals of quality, code coverage and green culture
Contribute your technical expertise and vision to the app's infrastructure and architecture
Maintain and advance our automation pipelines, including screenshots and localization
Participate in a two-week rotation that includes on-call duty, releasing apps to the AppStore, dependency upgrades, green culture & bamboo agent maintenance

What we offer

Work from (almost) anywhere for up to 20 days per year
Funds for your career growth
Access to thousands of on-demand e-learnings
Generous additional Health Insurance
Flexible sick time off
Additional financial support for your sick leave
Additional day off on your birthday
Company-wide vacation week once a year (winter holidays)
Additional financial support during parental leave
Free lunch twice a week and daily snacks at the office

Fulltime

Senior Mobile Engineer (iOS)

Easygo leads the world in crafting top-tier entertainment experiences. Within ou...

Location

Australia , Melbourne

Salary:

Not provided

Easygo Gaming

Expiration Date

Until further notice

Requirements

Bachelor's/Master's degree in Computer Science or equivalent practical experience
8+ years of hands-on experience in Mobile Software Engineering, focusing on scalable architecture and development
Proficiency in Objective-C or Swift, developing for the iOS Platform and frameworks relevant to the role
Prior experience in the complete Apple Development lifecycle, from design, testing, signing, releasing, fixing and beyond
Familiarity with RESTful APIs to connect iOS applications to back-end services
Understanding of iOS design principles and interface guidelines
Demonstrated experience providing technical leadership, mentoring, and guiding teams
Strong problem-solving skills and ability to tackle complex technical challenges
Excellent communication skills for effective collaboration across teams and stakeholders
Strong problem-solving skills and the ability to thrive in a fast-paced, dynamic environment

Job Responsibility

Write maintainable, efficient, and scalable code, rigorously adhering to Android coding standards and best practice
Optimize existing systems for performance, scalability, and reliability, identifying and resolving bottlenecks and inefficiencies
Take full ownership of assigned projects or components, proactively identifying areas for improvement and leading technical discussions to enhance solutions
Provide guidance to junior engineers, sharing expertise to foster a collaborative and high-performing team environment
Participate actively in architectural and design decisions, demonstrating a strong grasp of software design principles and scalability
Seek out growth opportunities to deepen technical expertise and keep the team informed of emerging best practices

What we offer

Access mentorship, training, and hands-on experiences to level up your skills
Learn from industry experts and gain expertise in scaling software
Work alongside exceptional engineers, exchanging ideas and driving innovation forward through collaboration
Our culture prioritises your growth with tailored learning programs and mentorship
Flexible start and finish times

Senior iOS Engineer

The Connectivity Software Team builds the critical link between WHOOP hardware, ...

Location

United States , Boston

Salary:

150000.00 - 210000.00 USD / Year

Whoop

Expiration Date

Until further notice

Requirements

BS or MS in Computer Science, Electrical Engineering, or a related technical field, or equivalent experience
3+ years of professional iOS software engineering experience with a solid foundation in Swift, iOS system APIs, concurrency, and memory management
Hands-on experience with Combine and background task processing for non-UI iOS features
Demonstrated examples applying architectural and platform-based software design principals to build scalable, modular, testable software
Experience debugging and diagnosing issues across complex or distributed systems (for example: firmware, mobile, backend) is a strong plus
Excellent collaboration and communication skills with a focus on cross-functional problem solving
Strong commitment to embracing and leveraging AI tools in day-to-day tasks, ensuring AI-assisted work aligns with the same high-quality standards as personal contributions

Job Responsibility

Design, implement, and maintain iOS application components that interface directly with WHOOP hardware over Bluetooth Low Energy (BLE), Wi-Fi, or other communication protocols
Develop background and system-level iOS services that ensure reliable device connectivity, synchronization, and data transfer
Leverage Swift and Combine to build resilient, efficient, and maintainable reactive pipelines for connectivity and data management
Collaborate closely with embedded firmware, mobile, and cloud engineers to diagnose and resolve issues across a distributed system
Drive continuous improvement of performance, power efficiency, and reliability in the WHOOP connectivity layer
Champion strong software architectural principles for testable, scalable, maintainable software on your own team and across the organization
Document new features and architecture using Jira, Confluence and preparing code using Github feature, develop, and master branches
Participate in the release process, including getting the app built, managing build variants, signing, sending and testing through Firebase, and submitting to the App store

What we offer

competitive base salaries
meaningful equity
benefits
a generous equity package

Fulltime

Senior iOS Engineer

Join us in building the future of finance. Our mission is to democratize finance...

Location

Canada , Toronto

Salary:

145000.00 - 170000.00 CAD / Year

Robinhood

Expiration Date

Until further notice

Requirements

Work with Swift, RxSwift, UIKit, Custom Design System and Declarative UI Framework, Core Data, Bazel, VIPER-esque Architecture
Mentor / coach other engineers & lead projects
Own features from inception to design, implementation, and launch
Work cross-functionally with Product Designers, Product Managers, Backend Developers, and Data Team

Job Responsibility

Work with a fast-growing team to revolutionize finance at speed and scale
Build smooth, stable, and elegant products with Swift and the newest iOS APIs
Help ship Robinhood's new standalone wallet app
Improve the crypto experience within Robinhood's flagship application

What we offer

Performance driven compensation with multipliers for outsized impact, bonus programs, equity ownership, and 401(k) matching
100% paid health insurance for employees with 90% coverage for dependents
Lifestyle wallet - a highly flexible benefits spending account for wellness, learning, and more
Employer-paid life & disability insurance, fertility benefits, and mental health benefits
Time off to recharge including company holidays, paid time off, sick time, parental leave, and more
Exceptional office experience with catered meals, events, and comfortable workspaces

Fulltime

Senior iOS Engineer

We’re looking for Senior iOS Engineers to join our team. As part of a cross-func...

Location

United States , Palo Alto

Salary:

180000.00 - 220000.00 USD / Year

Wealthfront

Expiration Date

Until further notice

Requirements

6 - 10 years of professional iOS development experience
Deep expertise with Swift and iOS frameworks
Experience creating complex and performant user interfaces with UIKit and/or SwiftUI
Experience writing unit tests and testable code
A track record of delivering high-quality, testable, and maintainable code
Excellent problem solving, critical thinking and communication skills
BS or MS in computer science, related field, or equivalent professional experience

Job Responsibility

Build a premier native iOS application
Take ownership of large, complex projects from ideation through execution and delivery
Collaborate with product, design, and engineering leadership to shape the roadmap and deliver a seamless and delightful user experience
Work with frontend and backend engineers to design, build and test reusable REST APIs
Design and build high-quality infrastructure
making the right tradeoffs for risk and long-term maintainability
Work with leadership to define the team's priorities and initiatives
Work independently, use available resources to get unblocked, and complete tasks on schedule by exercising strong judgment and problem-solving skills
Provide technical guidance and mentorship to peers
Ensure our iOS app and iOS CI systems operate smoothly in production by triaging and resolving operational issues as part of a team of on-call engineers

What we offer

medical
vision
dental
401K plan
generous time off
parental leave
wellness reimbursements
professional development
employee investing discount
equity

Fulltime

Senior Software Engineer, iOS

This role can be performed remotely from anywhere within the United States. The ...

Location

United States

Salary:

160000.00 - 170000.00 USD / Year

Fullstory

Expiration Date

Until further notice

Requirements

5+ years of technical experience
Deep systems programming knowledge and an eagerness to apply that knowledge to iOS
Experience mentoring less experienced engineers and would be willing to eventually take a leadership role
The ability to help the team complete timely releases, wisely balancing competing concerns
The ability to gain a solid understanding of customers’ needs and offer constructive feedback
Bachelor's degree in Computer Science or a related field

Job Responsibility

Use advanced techniques for reverse engineering, disassembly, decompilation, and debugging, to analyze the inner workings of iOS frameworks and third-party code
Write cross-platform code in Rust for shared crates
Work alongside specialists in our Go APIs and canvas-based-typescript frontend
Anticipate and engineer support for new iOS platform-specific features
Innovate new feature ideas
Leverage AI as a productivity multiplier

What we offer

Flexibility and Connection
Benefits
Learning opportunities
Productivity support
Team Collaboration
Paid parental leave
Bereavement leave, including miscarriage/pregnancy loss

Fulltime

Senior Mobile Engineer (iOS)

We’re looking for an experienced and passionate Senior iOS Engineer to join our ...

Location

Mexico , Mexico City

Salary:

Not provided

EarnIn

Expiration Date

Until further notice

Requirements

Bachelor’s degree (or higher) in Computer Science, related field, or equivalent practical experience
4+ years of professional mobile development experience, with a strong focus on iOS
Expert in Swift and modern iOS paradigms (Swift Concurrency, Combine, SwiftUI)
Proven experience building and shipping high-quality consumer apps at scale
Solid grasp of iOS architectures (MVVM, MVP, VIPER, etc.)
Familiar with end-to-end engineering practices: code reviews, CI/CD, automated testing, and monitoring

Job Responsibility

Build, ship, and maintain iOS product features that improve the customer experience and define our user journey
Architect and refine mobile infrastructure to enable scalability and support the rapid development of new products
Collaborate closely with backend engineers to design robust APIs that facilitate seamless communication between mobile devices and servers
Partner with Product and UX specialists to deliver new and unique designs
Lead and advocate for engineering best practices to maintain high code quality and system reliability
Drive projects proactively, offering strategic direction and problem-solving to navigate uncertainty
Mentor the mobile engineering team, elevating skills and optimizing processes for efficiency
Design and execute unit and UI automation tests to ensure new features integrate smoothly without disrupting existing functionalities
Analyze feature effectiveness using advanced analytics to drive data-informed improvements

What we offer

healthcare
internet and cell phone reimbursement
a learning and development stipend
potential opportunities to travel to our headquarters in Mountain View

Senior iOS Engineer

Whatnot

Location:
China

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
February 18, 2026

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China

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Job Posted:
February 18, 2026