Senior iOS Engineer Job at DuckDuckGo

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

We have some really unique problems to solve here, like building the best trip c...

Location

Spain , Barcelona

Salary:

Not provided

Yokoy

Expiration Date

Until further notice

Requirements

"Product Engineering" mindset
Knowledge of Swift
Pragmatism - simplicity, efficiency, and performance
The desire for quality and testing
A willingness to learn new technologies and frameworks
Good communication in English

Job Responsibility

Product development in iOS (Swift), supporting customer-facing and platform features
System architecture design, implementation, and testing
Working in an Agile environment with attention to detail, quality and continuous integration
Working closely with people, helping those who need help, contributing to a positive and healthy engineering environment

What we offer

Competitive compensation, including equity in the company
Generous vacation days so you can rest and recharge
Health perks such as private healthcare
Fitness perks such as an onsite gym & fitness app subsidy
"Flexible compensation plan" to help you diversify and increase the net salary
Unforgettable Travel events, including travel to one of our hubs
Spring Health - Get access to 12x therapy & 12x coaching sessions per year!
Exponential growth opportunities
VolunteerPerk - We offer 16 paid hours per year that you can use to give back to society by volunteering for a charity of your choice
"Work from anywhere" in the world allowance of 20 working days per year

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

At Mercury, we draw inspiration from masters like Kamo-san as we strive to infus...

Location

United States; Canada , San Francisco; New York; Portland

Salary:

166600.00 - 208300.00 USD / Year

Mercury

Expiration Date

Until further notice

Requirements

Have at least 5 years of iOS experience, working in Swift
Have experience shipping production apps with SwiftUI, and some experience working in UIKit (we use both)
Be interested in learning about and engaging with other parts of our stack (Android: Kotlin/Compose
Frontend: TypeScript/React
Backend: Haskell/Nix)
Be adaptable (we often context switch between product domains), empathetic (product teams are trying to ship product, and don’t always think about mobile first), and pragmatic

Job Responsibility

Join a small-but-mighty team of experienced iOS and Android engineers (and one backend dev!) – the team has been making apps for over a decade and we’re pretty darn good at it
Feel a strong sense of product ownership and actively seek responsibility – we often self-organize on small/medium projects, and we want someone who’s excited to lay their own vision atop our foundation and make a big impact across the mobile team and Mercury as a whole
Work closely with designers to ship a beautiful app – they love to collaborate on getting the details right
plus, many of our customers are startups and appreciate our thoughtful, polished designs
Maintain a high quality bar – we provide banking services, so preventing crashes, errors, visual glitches, and wacky edge-cases is a top priority for us

What we offer

base salary, equity (stock options), and benefits

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

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 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 iOS Engineer

We are looking for a Senior iOS Engineer to join the SoundCloud Apple Platforms ...

Location

Germany; United Kingdom , Berlin; London

Salary:

Not provided

SoundCloud

Expiration Date

Until further notice

Requirements

Professional experience building iOS applications using Swift, with strong knowledge of object-oriented programming, SwiftUI
Comfortable working in and improving large, existing codebases, including refactoring Objective-C and maintaining clean, maintainable code
Eager to learn new technologies, experiment, and continuously improve as an engineer
Skilled at working in cross-functional teams, proactively communicating, and breaking down complex problems into simple, elegant solutions
Thrives in a collaborative, agile environment, while also capable of working independently and taking initiative
Passionate about music, mobile development, and building intuitive, high-impact experiences for millions of users

Job Responsibility

Develop and maintain SoundCloud’s apps across Apple platforms (iOS, Apple Watch, CarPlay), delivering responsive, high-quality user experiences
Contribute to the modernization of our codebase by refactoring Objective-C and modularizing components using Swift and SwiftUI
Build and optimize UI components using SwiftUI, with a focus on performance, accessibility, and platform consistency
Collaborate closely with cross-functional teams—including product, design, backend, and analytics—to define, build, and iterate on features
Support experimentation and data-driven product development by integrating A/B testing and tracking into mobile features
Take part in architectural decisions, code reviews, and engineering best practices to ensure maintainable, scalable mobile development

What we offer

Creativity and Wellness benefit
Employee Stock Ownership Plan
Generous professional development allowance
Flexible vacation and public holiday policy where you can take up to 35 days of PTO annually
16 paid weeks for all parents (birthing and non-birthing), regardless of gender, to welcome newborns, adopted and foster children
Free German courses at beginning, intermediate and advanced
Various snacks, goodies, and 2 free lunches weekly when at the office

Senior iOS Engineer

DuckDuckGo

Location:

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
January 08, 2026

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Job Posted:
January 08, 2026