Software Engineer - Machine Learning, Trust and Safety

Mercari India is hiring a Software Engineer - Machine Learning, Trust and Safety in Bengaluru, Karnataka, India. The details below summarise the employer's own listing; applications happen on the original posting, not on GetFirstJob.

What the work involves

• Mercari is a Japan-based C2C marketplace company founded in 2013 with the mission to “Create value in a global marketplace where anyone can buy & sell.” From being the first tech unicorn from Japan before its IPO in 2018 we have come a long way towards becoming a global player and continuously and diligently work towards our transformation journey with a strong focus on our mission
• Since its inception, Mercari Group has worked to grow its services, investing in both our people and technology
• Over time Mercari has expanded from being the top player in the C2C marketplace in Japan to new geographies like the U.S
• We have also successfully launched new businesses such as Merpay, which is a mobile payment service platform with a vision to create a society where anyone can realize their dreams through a new ecosystem centered not only on payment service but also on credit
• Today, Mercari Group is made up of multiple subsidiary businesses including logistics, B2C platform, blockchain, and sports team management
• For our services to be utilized by people worldwide
• however, there is still a mountain of work ahead of us
• This endeavor naturally requires the capability of the best talent and minds, and that is exactly the reason for us to launch the India Center of Excellence
• With your help, we will continue to take on the world stage and strive to grow into a successful global tech company
• To achieve our mission at Mercari, our organization and each of our employees share the same values and perspectives

What they are looking for

• We’re looking for a Senior Machine Learning Engineer to build and improve Mercari’s Trust & Safety systems, making the marketplace safer and more secure for users through content moderation, fraud detection, and financial security solutions
• Strong skills in ML frameworks (TensorFlow, PyTorch, scikit-learn), backend engineering, MLOps, and A/B testing are key, and experience with anomaly detection, content moderation, or deep learning/LLMs in production is a big plus
• We are looking for people who are interested in our services, mission, and values, and want to work where engineers can go bold, use the latest technology, make autonomous decisions, and take on challenges at a rapid pace
• , design solutions, and implement features that improve user engagement
• Conduct data analysis and experimentation with large-scale data sets to identify patterns, trends, and insights that drive the refinement of trust and Safety algorithms
• Utilize machine learning frameworks and libraries to deploy scalable and efficient content moderation, fraud and financial security solutions
• Monitor system performance and conduct A/B testing to evaluate the effectiveness of features
• Continuously research and stay updated on advancements in AI/machine learning techniques and recommend innovative approaches to enhance the trust and safety capabilities

Pay and dates

The listing does not state pay. The source page shows a relative posting age rather than an exact posting date; this role was first seen and checked as open on 4 November 2026. The source page showed it as posted “3 weeks ago” when captured; that is a relative stamp, not an exact date.

How to apply

Apply on the listing where the employer published this role: Software Engineer - Machine Learning, Trust and Safety at Mercari India. We found this listing via linkedin.com; it was still open when we checked on 4 November 2026. If the posting has closed or the link fails, the role may have been filled.