About Us:Paytm is India's leading digital payments and financial services company, which is focused on driving consumers and merchants to its platform by offering them a variety of payment use cases. Paytm provides consumers with services like utility payments and money transfers, while empowering them to pay via Paytm Payment Instruments (PPI) like Paytm Wallet, Paytm UPI, Paytm Payments Bank Netbanking, Paytm FASTag and Paytm Postpaid - Buy Now, Pay Later. To merchants, Paytm offers acquiring devices like Soundbox, EDC, QR and Payment Gateway where payment aggregation is done through PPI and also other banks' financial instruments. To further enhance merchants' business, Paytm offers merchants commerce services through advertising and Paytm Mini app store. Operating on this platform leverage, the company then offers credit services such as merchant loans, personal loans and BNPL, sourced by its financial partners.Responsibilities :1. Ensure the stable operation of all kinds of databases in all related business lines of the company, including but not limited to MySQL, Redis, Hadoop, ES, etc;2. Responsible for the architecture design of database clusters, work with business departments to achieve database availability assurance, vertical and horizontal scaling solutions and implementation;3. Able to do optimization and adjustment with the business, to achieve low-cost, high-performance database services;4. Develop and design database operation and maintenance automation products and related components;5. Maintain technical sensitivity, continue to do research on new database technologies and products, and form feasible solutions to promote business implementation and support business development.Requirements:1. Bachelor degree or above in Computer Science or related majors, proficiency in MySQL database architecture and working principles;2. Proficiency in innodb storage engine, replication technology, and familiarity with functional features of various versions;3. Practical maintenance experience in MySQL high availability architecture, familiar with the advantages and disadvantages of various architectures, not limited to MHA, MGR, Orchestrator, etc;4. A deep understanding of indexes, transactions, concurrency, and locks;5. Familiar with linux operating system, familiar with AWS environment, and proficient in deployment, monitoring, permission assignment, data migration, archiving and other necessary skills for daily operation and maintenance;6. Rich experience in sql statement optimization, proficiency in Redis, MQ operation and maintenance management;7. Practical experience in maintaining medium to large databases with separate libraries and tables, proficiency in backup recovery and use of operation and maintenance tools;8. Proficiency in at least two scripting languages, shell, python, go, etc.;9. Practical operation and maintenance experience in mycat, dble, proxysql and other middleware, ES, MongoDB, TiDB, Clickhouse is preferred;10. Willing to learn, good at communication and sharing, good teamwork spirit, strong anti-stress ability.Why join usBecause you get an opportunity to make a difference, and have a great time doing that.You are challenged and encouraged here to do stuff that is meaningful for you and for those we serve.You should work with us if you think seriously about what technology can do for people.We are successful, and our successes are rooted in our people's collective energy and unwavering focus on the customer, and that's how it will always be.Compensation:If you are the right fit, we believe in creating wealth for you. With enviable 500 mn+ registered users, 21 mn+ merchants and depth of data in our ecosystem, we are in a unique position to democratize credit for deserving consumers & merchants – and we are committed to it. India's largest digital lending story is brewing here. It's your opportunity to be a part of the story!
