Duolingo is the world's most popular way to learn a language.

Duolingo

Senior iOS Engineer, Application Stability & Performance

Business Development and Partnerships Lead, LATAM

Senior Technical Recruiter

Learning Scientist, Efficacy Research

Internal Audit, Intern

Senior Product Manager, Monetization

Senior Product Manager, Math

Director of Product Management, Learning

Senior Product Manager, Learning

As a Senior iOS Engineer on the Client Platform team at Duolingo, you will be instrumental in building and maintaining the infrastructure and tools necessary for fast and efficient iOS development at scale. This role focuses on improving and maintaining the stability and performance of the Duolingo Learning application across iOS, involving the development of tooling for metric integration into experiment analyses and leading architectural initiatives to optimize the app's slowest components. You will help teams measure and understand performance, optimize features, and resolve bottlenecks.

Director of User Acquisition

<h1 class="text-3xl md:text-4xl font-extrabold mt-6 mb-4 text-gray-900 tracking-tight">About the role</h1>As an iOS engineer on one of our Client Platform teams, you will have the opportunity to build all the vital infrastructure and tools to ensure Duolingo's iOS development can continue to be fast and efficient at scale.<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Client Platform, Stability, and Performance:</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">This team is charged with improving and maintaining the stability and performance of our Learning application across the Android and iOS platforms. The team builds and maintains the tooling that integrates metrics into our experiment analyses to automate finding code areas that need attention and leads architectural initiatives to reinvent the slowest parts of the app.</li></ul><h4 class="text-lg md:text-xl font-semibold mt-6 mb-2 text-gray-800">You will...</h4><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Help teams measure and understand their performance, as well as optimize existing features and functionality while evangelizing best practices</li><li class="leading-relaxed">Support engineers and partners from across the organization as they use the performance metric we provide, and use these interactions to improve our roadmaps</li><li class="leading-relaxed">Use and develop tools like Instruments to analyze the performance, resource usage, and behavior of the application to identify and resolve performance bottlenecks</li></ul><h4 class="text-lg md:text-xl font-semibold mt-6 mb-2 text-gray-800">You have...</h4><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Deep expertise in Swift</li><li class="leading-relaxed">Proficiency in multithreading, concurrency, and synchronization primitives</li><li class="leading-relaxed">Deep understanding of ARC and memory management in iOS</li><li class="leading-relaxed">Proven experience in architecting and leading complex iOS projects at scale</li><li class="leading-relaxed">Strong problem-solving skills and a passion for tackling difficult challenges</li></ul><h4 class="text-lg md:text-xl font-semibold mt-6 mb-2 text-gray-800">Exceptional candidates will have...</h4><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Experience using Instruments to diagnose complex performance issues</li></ul>Take a peek at how we care for our employees' holistic well-being with our benefits <a href="https://careers.duolingo.com/#benefits" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">here</a>.We will do everything we can within reason to make sure that your interview takes place in an environment that fairly and accurately assesses your skills. If you need assistance or accommodation, please contact <a href="mailto:accommodations@duolingo.com" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">accommodations@duolingo.com</a>.Duolingo is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.By applying for this position your data will be processed as per the <a href="https://docs.google.com/document/d/e/2PACX-1vTX9GKeRMOMA9Vtm0vfGibrYPYz8ysl0Dg8KSXgjPxeT5ChsdnNZZWtpxu4t7xillTPGnngnKCjIbV/pub" target="blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">Duolingo Applicant Privacy Notice</a>.Sign up for job alerts <a href="http://my.greenhouse.io/users/signin?jobboard=duolingo" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">here</a>.We post a multi-level salary range for all of our roles.This is not inclusive of the rest of our awesome portfolio that includes equity compensation and world-class benefits. Our salary ranges are the same for all US locations. Your recruiter can share more details about the range for a specific level during the hiring process. The actual salary within the range is determined by many factors including but not limited to, skills, experience, education, and internal equity.Salary Range:$177,700—$240,400 USD

Rockstar Jobs

EA Jobs

Playstation Jobs

Ubisoft Jobs

Epic Game Jobs

Riot Jobs

CDPR Jobs

Krafton Jobs

Twitch Jobs

Larian Jobs

Wargaming Jobs

Naughty Dog Jobs

Netflix Jobs

Supercell Jobs

Zynga Jobs

Test your Unity Animations knowledge with this quiz! Explore concepts like Animator Controller, Blend Trees, and many more.

Test your Unity UI knowledge with this quiz! Explore essential concepts like Canvas, EventSystem and many more. 

Challenge yourself with this Unity Input System quiz! Test your skills in input mapping, device handling, and action events.

Take your Unity skills to the next level with Part 3 of this quiz, covering scripting, physics, rendering, and performance optimization!

Test your Unity expertise with this quiz, covering initialization to advanced rendering and physics!

Test your Unity knowledge with this comprehensive quiz, covering everything from MonoBehaviour basics to advanced physics, rendering, and optimization techniques across multiple difficulty levels!

Assess your knowledge of Unity's Rigidbody component and its advanced physics interactions with this in-depth quiz!

Test your understanding of Unity’s Physics, Movement, and MonoBehaviour with this insightful beginner-friendly quiz!

Dive into the fundamentals of open-world game development in Unity with this beginner-friendly quiz.

Challenge yourself with this beginner-friendly quiz on building an endless runner in Unity!

Test your beginner-level knowledge of Unity platformer development with this engaging quiz.

Test your basic knowledge of Unity and Unreal Engine with this beginner-friendly quiz on game development fundamentals.

This assessment evaluates your understanding of Unity's component-based architecture, how GameObjects and their components interact, the hierarchy system with nested GameObjects, and how to reference them in scripts.

This assessment evaluates your understanding of Unity's NavMesh system, including navigation baking, NavMeshAgents, pathfinding, obstacles, and scripting interactions with NavMesh to create AI-driven movement.

An assessment to test the correct usage of Unity's events and lifecycle functions in the context of the game "Clash Royale"

- This assessment gives us an idea of your C++ skills - Companies that evaluate this skillset in interviews: Rockstar Games, Ubisoft, Mayhem Studios, etc. - 10 Multiple Choice questions - Average time to complete: 7 to 10 minutes

Let's assess your Data Structures! 📋 &nbsp;- This assessment gives us an idea of your problem solving skills using DSA - Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc. - 10 Multiple Choice questions - Average time to complete: 7 to 10 minutes

Let's assess your Programming Patterns! 📋- This assessment gives us an idea of your code architecture skills - Companies that evaluate this skillset in interviews: Dirtcube, PTW, Playshifu, etc. - 10 Multiple Choice questions - Average time to complete: 7 to 10 minutes

Let's assess your OOPs skills! 📋- This assessment gives us an idea of your fundamental OOPS concepts and Solid principles skills - Companies that evaluate this skillset in interviews: Hitwicket, GSN Games, Tomo Club, etc. - 10 Multiple Choice questions - Average time to complete: 7 to 10 minutes

Let's assess your Unity Skills 📋 - This assessment gives us an idea of your Unity fundamentals - Companies you can apply for after taking this assessment: Godspeed games, Salvation Games, nCore Games, etc. - 9 questions: 9 Multiple Choice - Minimum score needed to qualify: 80% - Average time to complete: 5 to 10 minutes

Condé Nast

Editorial Assistant, British Vogue

Warner Bros - NetherRealm Studios

International Games Marketing & Communications Placement Intern

Motive Studio

Software Engineer II

Software Engineer I

Talent Coordinator

Security Engineer, AI Security

Senior QA Tester

Nike

Department Manager (Coach) - 37.5 hours - NFS Wolfsburg (m/f/d)

SoftwareOne

P&C Employee Life Cycle Ops Analyst

British Vogue is seeking a highly organized and proactive Editorial Assistant to support the Head of Editorial Content and the wider editorial team. This role is crucial for the smooth operation of the editorial department, involving administrative, logistical, and coordination responsibilities in a fast-paced, creative environment. The assistant will manage diaries, travel, expenses, and communication, while also assisting with research, fact-checking, and social media coordination. The position offers significant exposure to British Vogue's inner workings and collaboration with senior staff.

Senior Video Producer, British GQ

Art Director

Editorial Copy Associate, The New Yorker

Data & Performance Specialist (Maternity Cover)

Executive Director, Audience Development

Senior Finance Manager, Content Finance

Digital Media Strategist (Freelancer)

Digital Media Strategist

Senior Manager - Facilities

The foundation of Vogue’s leadership and authority is the brand’s unique role as a cultural barometer for a global audience. Vogue places fashion in the context of culture and the world we live in — how we dress, live and socialize; what we eat, listen to and watch; who leads and inspires us. Vogue immerses itself in fashion, always leading readers to what will happen next. Thought-provoking, relevant and always influential, Vogue defines the culture of fashion.<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Job Description</h2>Location:London, GBCondé Nast is a global media company, home to iconic brands including <a href="https://www.vogue.co.uk/" target="blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">Vogue</a>, <a href="https://www.gq-magazine.co.uk/" target="blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">GQ</a>, <a href="https://www.glamourmagazine.co.uk/" target="blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">Glamour</a>, <a href="https://www.cntraveller.com/" target="blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">CN Traveller</a>, <a href="https://www.vanityfair.com/?srsltid=AfmBOoqzTBFZnVHhFwQWV6XwfpphPrz6ZXNumj1XhNlEEjDhWVQRc69W" target="blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">Vanity Fair</a>, <a href="https://www.wired.com/" target="blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">Wired</a>, <a href="https://www.worldofinteriors.com/" target="blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">The World of Interiors</a>, <a href="https://www.houseandgarden.co.uk/" target="blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">House & Garden</a> and <a href="https://www.tatler.com/" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">Tatler</a>, among many others.We are headquartered in New York and London and operate in 32 markets worldwide, with a footprint of more than 1 billion consumers across print, digital, video and social platforms.Condé Nast thrives on collaboration, and our teams come together in the office four days a week (Monday - Thursday).We value diversity of background, views and cultures. We celebrate people for their personal qualities, skills and contributions, recognising the power our brands have to influence and shape culture.<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">The Role</h2><a href="http://www.vogue.co.uk/" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">British Vogue</a> is looking for a highly organised, detail-oriented and proactive Editorial Assistant to support the Head of Editorial Content and the wider editorial team.This role is essential to the smooth running of the editorial department and involves a range of administrative, logistical and coordination responsibilities within a fast-paced, creatively driven environment.The ideal candidate will be confident, efficient and collaborative, with excellent communication skills and a strong ability to prioritise.The Editorial Assistant will serve as a key point of contact across internal teams and external partners, requiring professionalism, discretion and a calm approach under pressure.While this role may occasionally involve light editorial tasks, the primary focus is on administrative support and departmental organisation.This position offers exposure to the inner workings of British Vogue and close collaboration with senior editorial staff.<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">What will you be doing?</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Support the editorial team with daily operational and administrative tasks.</li><li class="leading-relaxed">Manage the Head of Editorial Content’s diary, schedule, expenses and meeting coordination.</li><li class="leading-relaxed">Manage all travel arrangements for the Head of Editorial Content, including flights, accommodation, ground transportation and visas - prepare comprehensive travel itineraries, coordinate schedule changes, and ensure all logistics are handled efficiently and in line with budget and company policy.</li><li class="leading-relaxed">Maintain smooth communication between editorial leaders, internal departments and external stakeholders.</li><li class="leading-relaxed">Manage general editorial logistics, including office administration.</li><li class="leading-relaxed">Coordinate documents, image assets, call-ins, permissions and other materials needed for stories and shoots.</li><li class="leading-relaxed">Assist in planning team events, appointments and work sessions.</li><li class="leading-relaxed">Assist senior editors with research, fact-checking, sourcing references and preparing briefing materials.</li><li class="leading-relaxed">Support the Head of Editorial Content with social media coordination.</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">About you</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Proven experience in an administrative or coordination role, ideally within media, fashion or a related creative industry.</li><li class="leading-relaxed">Exceptional organisational skills, strong attention to detail and the ability to manage multiple priorities simultaneously.</li><li class="leading-relaxed">Strong written and verbal communication skills and a professional, polished demeanour.</li><li class="leading-relaxed">Comfortable working in a fast-paced environment and adapting to changing needs.</li><li class="leading-relaxed">A proactive problem-solver with sound judgement and a positive, collaborative attitude.</li><li class="leading-relaxed">A genuine interest in fashion, culture and the editorial values of British Vogue.</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Does this sound like you?</h2>Please upload your CV and cover letter, which highlights why you'd love to take on this role and why you're a great match for what we're looking for.We value the time and effort behind every application. All submissions are reviewed by a member of our talent team - we don’t use AI-assisted technology to review applications.The closing date for applications is Friday, 16th January at 10 am.As you can imagine, we receive a high volume of applications and may close the advert early. We recommend submitting your application as soon as possible to avoid disappointment.<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">What benefits do we offer?</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">25 days holiday (plus bank holidays) and extra days of annual leave if you move house or want to volunteer.</li><li class="leading-relaxed">You’ll have access to a competitive pension scheme, Bupa Private Healthcare, Season ticket loans and eye tests.</li><li class="leading-relaxed">We offer a range of tools to support your wellbeing, including core hours, 10 remote days (from home or a country with a Condé Nast office location), access to our Employee Assistance Programme, corporate gym membership and cycle to work scheme.</li><li class="leading-relaxed">We’re a dog friendly office, plus you’ll enjoy discounts and magazine subscriptions, keeping you up to date with all things Condé Nast.</li><li class="leading-relaxed">We encourage personal and professional growth through the Condé Nast Learning Hub where you’ll find an extensive portfolio of learning courses and training, available in local languages.</li><li class="leading-relaxed">Our Employee Resource Groups provide a platform for employees to identify shared objectives, exchange ideas, and work on community priorities for our global workforce.</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">What happens next?</h2>If you are interested in this opportunity, please apply below, and we will review your application as soon as possible. You can update your resume or upload a cover letter at any time by accessing your candidate profile.Condé Nast is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, age, familial status and other legally protected characteristics.

Follow Mayank - career advice

Follow Mayank Grover for game development resources

Free | C# | Midnight Pizza Fight

Free | C++ | Lethos

Free | C++ | Pong

Follow Abhishek - tech content

Follow Abhishek Smith for game programming content

This assessment gives us an idea of your C++ skills- Companies that evaluate this skillset in interviews: Rockstar Games, Ubisoft, Mayhem Studios, etc.- 10 Multiple Choice questions- Average time to complete: 7 to 10 minutes

Let's assess your Data Structures! - This assessment gives us an idea of your problem solving skills using DSA- Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc.- 10 Multiple Choice questions

Data Structures and Algorithms

Let's assess your Programming Patterns! ????- This assessment gives us an idea of your code architecture skills- Companies that evaluate this skillset in interviews: Dirtcube, PTW, Playshifu, etc.

Programming Patterns

Let's assess your OOPs skills! ????- This assessment gives us an idea of your fundamental OOPS concepts and Solid principles skills- Companies that evaluate this skillset in interviews: Hitwicket, GSN Games, Tomo Club, etc.

Object Oriented Programming

Let's assess your Unity Skills ????- This assessment gives us an idea of your Unity fundamentals- Companies you can apply for after taking this assessment: Godspeed games, Salvation Games, nCore Games, etc.