Back-end Engineer - Trust & Safety
No salary listed
Mid
Tokyo, Japan
Hybrid
Software EngineeringBackend Engineering
About the job
Requirements
- Strong interest in improving development efficiency and performance and addressing security issues.
- Ability to engage stakeholders effectively, take ownership, and communicate to achieve results.
- Willingness to learn about AI and experience developing with a coding agent.
- At least three years of experience implementing, releasing, and operating commercial applications.
- Experience building commercial Web APIs running on public clouds such as AWS or Google Cloud.
- Experience building and designing various testing methods.
- Experience creating and operating commercial web application container images, including Dockerfiles and installing necessary middleware.
- Basic knowledge of middleware commonly used in web applications, such as Nginx and MySQL.
- Business-level or higher Japanese and conversational-level or higher English.
Responsibilities
- Design, apply to Pairs, and operate mechanisms to reduce risks related to violations, malicious use, and policy breaches in Trust & Safety.
- Review and analyze user behavior, system logs, and initiative results to assess risk signals and trends, the scale of issues, and the effectiveness of measures.
- Use analysis and evaluation results to continuously improve mechanisms supporting Trust & Safety detection, prevention, investigation, and response as risk patterns change.
- Collaborate with Trust & Safety stakeholders, Data Analysts, product backend teams, SRE teams, and security teams to improve quality, performance, security, and operability, and to deter abuse, protect users, and improve Pairs’ reliability.
Desired Qualifications
- Experience analyzing user behavior, system logs, and initiative results in fast-changing risk areas such as abuse and policy violations, evaluating risk signals and measure effectiveness, and continuously improving detection, prevention, and response mechanisms.
- Ability to extract, aggregate, and analyze data independently within a defined scope, with support from a Data Analyst as needed, to evaluate issue scale, priorities, proposed measures, and their effectiveness.
- Experience independently analyzing and evaluating rapidly changing user behaviors or risk patterns and using the findings to drive development and improvements.
- Experience or knowledge designing scalable databases and applications that account for large-scale data and traffic.
- Experience using AI development-assistance tools to improve development workflows, code quality, documentation, and team productivity.
- Experience building application deployment scripts or Dockerfiles in container environments.
- Experience or knowledge building public cloud infrastructure such as AWS or Google Cloud.
- Knowledge of basic security measures for web applications and why they are needed.
About the company
Tinder is an online dating platform that lets people create profiles and swipe on others to express interest, leading to matches and conversations. It operates on a freemium model where basic features are free and premium tiers (Plus, Gold, Platinum) plus in-app purchases unlock extras like unlimited swipes and global swiping with Passport. Its size and language coverage set it apart, with hundreds of millions of users across many countries and languages, and a strong brand presence. The goal is to help people meet and start conversations at scale by making dating easier and more accessible worldwide.
Company Size
1,001-5,000
Company Stage
Early VC
Total Funding
$750M
Headquarters
West Hollywood, California
Founded
2012
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Simplify's Take
What believers are saying
- Q1 2026 Tinder direct revenue rose 2% to $454.7 million.
- Face Check cut bad-actor interactions over 50%, strengthening trust and retention.
- Chemistry testing in Australia, U.S., and Canada targets Gen Z swipe fatigue.
What critics are saying
- Tinder paying users fell 5% to 8.6 million in Q1 2026.
- The December 16, 2025 Denver lawsuit keeps rape-risk and governance headlines alive.
- AI dating rivals and safety scandals collapse Tinder's brand moat within 24 months.
What makes Tinder unique
- Face Check and World ID make Tinder the strongest anti-bot dating platform.
- Spencer Rascoff's March 12, 2026 rebrand adds AI, Events, and video speed dating.
- Tinder's 190-country scale gives unmatched liquidity for fast, local matching.
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Benefits
- Health Insurance
- 401(k) Retirement Plan
- 401(k) Company Match
- Unlimited Paid Time Off
- Paid Holidays
- Mental Health Support
- Parental Leave
- Fertility Treatment Support
- Childcare Support
- Pet Insurance
- Hybrid Work Options