Responsibilities Team Introduction Our mission in experimentation and evaluation team is to build the next-gen A/B testing platform, that empowers the company to make data-driven decision for the products. The supported scenarios include recommendation, push, ads, search, mobile app, UI interaction and service upgrades etc. Our platform's capabilities cover the entire experiment life cycle, from experiment design, experiment creation, metrics calculation, statistical analysis to final evaluation and launch. In the process of rapid iteration, we provide reliable services for businesses to make bold hypotheses and cautious verification. As a full stack software engineer in experimentation and evaluation team, you will have the opportunity to build, optimize and grow one of the largest data platforms in the world. Your work will have a direct and huge impact on the company's core products as well as hundreds of millions of users. - Design and implement reliable, scalable, robust and extensible big data systems that support core products and business - Establish solid design and best engineering practice for engineers as well as non-technical people - Build world-class frontends, which combine usability, accessibility, elegance, performance, and maintainability Qualifications Minimum qualification: - Bachelor's or Master's degree in Computer Science or related fields. - Development experience in JavaScript/TypeScript, Python, Go, C++, or related languages. - Strong experience in architecting and implementing modern consumer-facing web applications. - Experience of driving collaboration across cross-functional teams on delivering shared goals. - Strong communication and teamwork skills. Preferred Qualifications: - Strong product sense, with experience driving user-facing products/features from 0 to 1. - Experience with large-scale data applications is a plus. - Curiosity towards new technologies and entrepreneurship. Job Information [For Pay Transparency]Compensation Description (Annually) The base salary range for this position in the selected city is $162000 - $387600 annually. Compensation may vary outside of this range depending on a number of factors, including a candidate's qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units. Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure). The Company reserves the right to modify or change these benefits programs at any time, with or without notice. For Los Angeles County (unincorporated) Candidates: Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment: 1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues; 2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and 3. Exercising sound judgment.