Sr. SW Engineer (Python, Product Reliability / DB Reliability Eng - 4-6 years' exp)

About Us
Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.

At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world.

Join Visa and do work that matters – to you, to your community, and to the world. Progress starts with you.

Job Description

This position preferred location is Bengaluru, India.

As a reliability engineer in this team, the individual will be involved in the plan, build and run activities related to database technology and infrastructure. The role will contribute to the design/architect, solution engineering, and support; will be responsible for delivering database projects, maintaining the running systems, able to perform problem analysis and troubleshooting. The individual should be well versed in database administration and engineering practices and principles.  The individual will share the responsibility of overall database build, deployment and support. He or she will provide technical influence and subject matter expertise for the database team, responsible for solving complex problems and taking a broad perspective to identify innovative solutions. The role serves as a technical/functional specialist and works independently with guidance only in the most complex situations.

RESPONSIBILITIES -

* Primarily the deployment and support of NoSQL database technology, specifically MongoDB, Cassandra and/or Redis

* Support Database Platform Engineering in the development and deployment of NoSQL technologies like Redis, MongoDB and Cassandra in high SLA environments. Support of RDBMS technology will be a plus. This includes, but is not limited to implementation of the following: 

* Manage, support and maintain database technology and infrastructure, adhering to the architectural guidelines and policies.

* Database administration for off the shelf and internally developed applications, ensure continuous 24x7 operation and availability in support of mission critical business applications and participating in on-call rotation.

* Install, configure, monitor, upgrade and maintain Redis, MongoDB and Cassandra databases in production and non-production environments.

* Hands-on experience with MongoDB sharding.

* Participate in Database Maintenance and DR activities.

* Write/maintain OS level scripts for DB automation and application maintenance.

* Provide technical expertise and hands-on support in consolidation and migration of databases to new hardware and platforms.

* Physical implementation of databases, storage structures, high-availability solutions, replication, and disaster recovery solutions. 

* Proactive and reactive performance analysis, monitoring, troubleshooting and resolution of escalated Level 2 and Level3 issues.

* Regular database capacity planning related to database growth and system utilization, trend analysis, predictive future database resource requirements, and the structured organized reporting of the same.

* Work closely with other Infrastructure engineering, product development, business operations, and technical operations to ensure delivery of database services within the SLA’s and performance targets.

* Adapt business requirements, model data, and develop database specifications, table and element attributes.

* Participate in the evaluation, selection and implementation of DBA tools to improve the effectiveness of tasks such as performance monitoring and tuning, recovery, and database change management processing.

* Ability to work well as a team and as an individual with minimal supervision.

This is a hybrid position. Expectation of days in the office will be confirmed by your Hiring Manager. 

Qualifications

Qualifications

* Bachelors/Degree in Computer Science or other technology field is necessary.

* 4-6 years of DBA experience, with MongoDB is a must.

Additional information

* Sound knowledge of all UNIX and MongoDB utilities. Troubleshoot database production problems and database connectivity issues.

* Should have strong UNIX platform skills and understanding of network, storage, tiered application environments and security.

* Proficiency in at least one programming language including, but not limited to, Python, Java, JavaScript, HTML, and C++
* Experience with one or more scripting languages: Shell scripting, Perl and Python.

* Proficiency in writing functions and packages for administration and application support 

* Strong knowledge of operating systems, scripting languages, data modeling and business intelligence tools.

* Good interpersonal skills along with effective communication (both written and verbal) skills. 

* Demonstrated ability to solve complex systems and database environment issues.

* Demonstrate ability to work in a complex organization to determine business and customer needs, providing the best solution to meet those needs.

* Work experience in a Financial Institute will be preferred.

Visa is an EEO Employer

Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.