Staff Software Engineer, Machine Learning

Hinge (View all Jobs)

Palo Alto, California

Please mention No Whiteboard if you apply!
I'm a one-man team looking to improve tech interviews, and could use any support! 😄


Interview Process

1. Hiring manager screen 2. Take-home project 3. Discussions via Zoom that include pair-programming to iterate on homework and culture-fit interview

Programming Languages Mentioned

Java, Python


Our Mission

Launched in 2012, Tinder® revolutionized how people meet, growing from 1 match to one billion matches in just two years. This rapid growth demonstrates its ability to fulfill a fundamental human need: real connection. Today, the app has been downloaded over 630 million times, leading to over 97 billion matches, serving approximately 50 million users per month in 190 countries and 45+ languages - a scale unmatched by any other app in the category. In 2024, Tinder won four Effie Awards for its first-ever global brand campaign, “It Starts with a Swipe”™"


Our Values

One Team, One Dream
We work hand-in-hand, building Tinder for our members. We succeed together when we work collaboratively across functions, teams, and time zones, and think outside the box to achieve our company vision and mission.

Own It
We take accountability and strive to make a positive impact in all aspects of our business, through ownership, innovation, and a commitment to excellence.

Never Stop Learning
We cultivate a culture where it’s safe to take risks. We seek out input, share honest feedback, celebrate our wins, and learn from our mistakes in order to continue improving.

Spark Solutions
We’re problem solvers, focusing on how to best move forward when faced with obstacles. We don’t dwell on the past or on the issues at hand, but instead look at how to stay agile and overcome hurdles to achieve our goals.

Embrace Our Differences
We are intentional about building a workplace that reflects the rich diversity of our members. By leveraging different perspectives and other ways of thinking, we build better experiences for our members and our team.

The Team
The Engineering team is responsible for building innovative features and resilient systems that bring people together. We're always experimenting with new features to engage with our members. Although we are a high-scale tech company, the member-to-engineer ratio is very high—making the level of impact each engineer gets to have at Tinder enormous.

We currently have two open Staff Software Engineer, Machine Learning positions.  One is on our Recommendations team, and one is on our Trust and Safety team:

Our ML team is responsible for developing machine learning algorithms and systems for Tinder recommendations. Recommendation algorithms directly determine potential matches on Tinder and optimize the entire ecosystem to drive critical business metrics. You'll have a unique opportunity to join a company with a global footprint while working on a team small enough for you to feel the impact each day.The Trust and Safety team focuses on enhancing account authenticity, mitigating adversarial impact, building public trust, and enabling safer experiences for millions of users globally on Tinder. You will have an opportunity to work on a team that helps support one of our primary missions: ensuring that Tinder remains the safest place to meet new people.

About The Roles
As a Staff Software Engineer focused on recommendations, you'll play a pivotal role in shaping the future of personalized matchmaking at Tinder. Working closely with our ML team, you'll design, implement, and scale systems that influence millions of users worldwide. Leveraging cutting-edge machine learning techniques, you'll drive key innovations that enhance user experiences and improve critical business outcomes. Your work will directly contribute to optimizing our recommendation algorithms, ensuring users discover meaningful connections while balancing the ecosystem's health. With Tinder's global scale and impact, you'll be at the forefront of solving some of the most complex challenges in technology.

The Trust and Safety team focuses on enhancing account authenticity, mitigating adversarial impact, building public trust, and enabling safer experiences for millions of users globally on Tinder. You will have an opportunity to work on a team that helps support one of our primary missions: ensuring that Tinder remains the safest place to meet new people.

Where you'll work
This is a hybrid role and requires in-office collaboration twice per week. This position is located in Palo Alto, CA.
In this role, you will:
  • Lead the modeling efforts of Tinder’s recommendation system or Trust and Safety experiences.
  • Apply state-of-the-art machine learning techniques, including deep learning, reinforcement learning, causal inference, and optimization, to enhance our foundational models.
  • Develop algorithms that optimize our complex ecosystem to meet multiple disparate objectives.
  • Lead the research and development of novel algorithms and models, staying at the forefront of advancements in ML technologies.
  • Work with big data to improve the accuracy and relevance of recommendations.
  • Collaborate with other machine learning engineers, backend software engineers, and product managers to integrate ML models into our systems, improving user experience and driving business objectives.
  • Mentor and guide team members, fostering their growth and enabling them to reach their full potential.
  • You’ll need:
  • 8+ years of hands-on experience in machine learning, with a proven track record of delivering impactful solutions at scale.
  • PhD or MS in machine learning, computer science, statistics, or another highly quantitative field.
  • Hands-on experience in designing and building large-scale recommendation systems and/or have trust and safety experience.
  • In-depth knowledge of deep neural networks, particularly in the recommendations or safety domains.
  • Proficiency in deep learning frameworks such as PyTorch, TensorFlow, Keras, etc.
  • Proficiency in Python, Java, Scala, or similar programming languages.
  • Strong decision-making skills with a bias for action and the ability to navigate ambiguity with confidence.
  • Proven leadership abilities to inspire and motivate teams to excel and achieve ambitious goals.
  • Commitment to Inclusion

    At Tinder, we don’t just accept difference, we celebrate it. We strive to build a workplace that reflects the rich diversity of our members around the world, and we value unique perspectives and backgrounds. Even if you don’t meet all the listed qualifications, we invite you to apply and show us how your skills could transfer. Tinder is proud to be an equal opportunity workplace where we welcome people of all sexes, gender identities, races, ethnicities, disabilities, and other lived experiences. Learn more here: https://www.lifeattinder.com/dei

    If you require reasonable accommodation to complete a job application, pre-employment testing, or a job interview or to otherwise participate in the hiring process, please speak to your Talent Acquisition Partner directly.

    #Tinder

    Please mention No Whiteboard if you apply!
    I'm a one-man team looking to improve tech interviews, and could use any support! 😄


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