Hugging Face

Senior Test Engineer

Cloud Machine Learning engineer

Hub Success Engineer

Node.Js Backend Engineer

Robot Operator

Open-source Machine Learning Engineer

Hugging Face is seeking a highly motivated Senior Test Engineer to join its Transformers team. This role involves leading the strategic redesign and scaling of the testing infrastructure for rapidly expanding projects like Transformers, PyTorch, and vLLM, which currently include over 100,000 tests. The ideal candidate will champion testing as a core enabler of growth, ensuring scalability, reliability, and seamless integration with CI/CD pipelines, and will collaborate with cross-functional teams to embed testing as a first-class project.

Description-----------At Hugging Face, we’re on a journey to democratize good AI. We are building the fastest growing platform for AI builders with over 5 million users & 100k organizations who collectively shared over 1M models, 300k datasets & 300k apps. Our open-source libraries have more than 400k+ stars on Github.About the RoleWe are seeking a highly motivated Senior Test Engineer to join our Transformers team, where you will play a pivotal role in advancing one of the most critical aspects of our mission: testing. As projects like Transformers, PyTorch, and vLLM rapidly expand in scale and complexity, the testing infrastructure must evolve in tandem. With over 100,000–150,000 tests for the Transformers library alone—and the need to support diverse platforms—this role is essential to ensuring our testing ecosystem scales seamlessly to meet growing demands.This is not a conventional testing role. You will own the strategic redesign and scaling of our testing infrastructure, ensuring it keeps pace with the relentless growth of our projects. While every engineer contributes to testing for their features, we need someone with a bird’s-eye view to champion testing as a core enabler of growth, rather than an afterthought.Key Responsibilities:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Lead the reinvention and scaling of testing infrastructure to support 100K+ tests across multiple platforms (e.g., Transformers, PyTorch, vLLM).</li><li class="leading-relaxed">Design growth-oriented testing architectures that prioritize scalability, reliability, and integration with CI/CD pipelines, avoiding fragmented or isolated test workflows.</li><li class="leading-relaxed">Partner with the existing testing lead to establish best practices and drive continuous improvement of the testing ecosystem.</li><li class="leading-relaxed">Collaborate with cross-functional teams to embed testing as a first-class project, ensuring it receives the focus and resources required to sustain rapid growth.</li><li class="leading-relaxed">Anticipate future testing needs and proactively adapt systems to accommodate evolving project scope, complexity, and platform diversity.</li></ul>About you<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Proven experience working with modern machine learning frameworks (e.g., Transformers, PyTorch) and large-scale software projects.</li><li class="leading-relaxed">A mindset that treats testing as a strategic priority, not a secondary task—demonstrating how robust testing directly enables project scalability.</li><li class="leading-relaxed">Strong belief in architecting for growth: You prioritize scalable, modular testing systems over isolated, atomic tests.</li><li class="leading-relaxed">Experience managing high-volume test suites (100K+ tests) and cross-platform testing challenges.</li><li class="leading-relaxed">Familiarity with CI/CD tools and automated testing frameworks.</li></ul>Preferred Qualifications:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Background in open-source development or contributions to major ML libraries.</li><li class="leading-relaxed">Experience in re-architecting testing systems for rapidly growing projects.</li></ul>If you're interested in joining us, but don't tick every box above, we still encourage you to apply! We're building a diverse team whose skills, experiences, and background complement one another. We're happy to consider where you might be able to make the biggest impact.More about Hugging FaceWe are actively working to build a culture that values diversity, equity, and inclusivity. We are intentionally building a workplace where people feel respected and supported—regardless of who you are or where you come from. We believe this is foundational to building a great company and community. Hugging Face is an equal opportunity employer and we do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.We value development. You will work with some of the smartest people in our industry. We are an organization that has a bias for impact and is always challenging ourselves to continuously grow. We provide all employees with reimbursement for relevant conferences, training, and education.We care about your well-being. We offer flexible working hours and remote options. We offer health, dental, and vision benefits for employees and their dependents. We also offer parental leave and flexible paid time off.We support our employees wherever they are. While we have office spaces in NYC and Paris, we're very distributed and all remote employees have the opportunity to visit our offices. If needed, we'll also outfit your workstation to ensure you succeed.We want our teammates to be shareholders. All employees have company equity as part of their compensation package. If we succeed in becoming a category-defining platform in machine learning and artificial intelligence, everyone enjoys the upside.We support the community. We believe major scientific advancements are the result of collaboration across the field. Join a community supporting the ML/AI community.Requirements------------Please provide a cover letter mentioning why you would like to work in open-source at Hugging Face. We encourage you to mention your skills, potential expertise, and topics on which you would like to work.

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

cip soft

Event Manager Game Development

Sanctuary AI

Hardware Co-op: R&D (January 2026 term)

Product Management Co-op (January 2026)

Robot Test Pilot

rosebud AI

Freelance Writer (Romance & Gaming)

Google

Software Engineer, Play, Platforms and Devices

Software Engineer, Infrastructure

Software Engineer, BigQuery Platform, Infrastructure

supercell

Product Manager, LiveOps

You bring people together, give ideas a stage, and effectively showcase formats. As an Event Manager for Game Development, you will organize our internal playtests, plan internal presentations, and take on moderation roles. The position is designed for part-time work and could be a good fit if you are developing your own game in parallel. If you bring additional special skills, you have the chance for us to increase the position's scope and allow you to explore other areas. Are you up for this challenge? Then apply now at our office in Regensburg!

Software Tester Online Games

Game Content Designer

Unity Software Developer

Performance Marketing Manager

Graphic Designer Motion and Video

2D/ 3D Graphic Designer

Software Developer Online Gaming

System Administrator Linux

Initiative Application

<h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Event Manager Game Development</h3>##### With us, you can:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Organize our internal lecture series on game development and related topics, and recruit suitable speakers.</li><li class="leading-relaxed">Plan events flexibly, coordinate location and technology.</li><li class="leading-relaxed">Evaluate and further develop events.</li><li class="leading-relaxed">Prepare and conduct playtests, giving our internal game projects a stage.</li><li class="leading-relaxed">Represent CipSoft at internal and external formats and actively network.</li></ul>##### We imagine that you:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Are passionate about games and enthusiastic about the industry.</li><li class="leading-relaxed">Bring experience in event organization and are confident in front of groups and moderating.</li><li class="leading-relaxed">Have a talent for dealing with people and enjoy actively networking.</li><li class="leading-relaxed">Can also attend evening events occasionally.</li><li class="leading-relaxed">Potentially bring additional skills in specific areas of game development.</li></ul>

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.