Senior_Software Engineer_Spark/Scala

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About Walmart

We help people around the world save money and live better — anytime and anywhere — in retail stores, online and through their mobile devices. Each week, more than 220 million customers and members visit our 11,096 stores under 69 banners in 27 countries and e-commerce websites in 10 countries. With last fiscal revenues of approximately $486 billion, Walmart employs 2.2 million employees worldwide.

@ Walmart Global Tech in Bangalore, we use technology for the charter of building brand new platforms and services on the latest technology stack to support both our stores and e-commerce businesses worldwide.

Our Team

The Walmart Enterprise Business Services (EBS) team focuses on building technology for Finance, People Systems, Indirect procurement and Associate experience. The goal of the EBS team is to provide customer grade experience to all our associates, to empower them and reduce the overall SG&A(Selling, General and Administrative).

Your Opportunity

Drive the next generation Walmart retail systems platform and services by conceptualizing, designing, building and deploying highly scalable and robust SOA solutions. You will use your engineering experience and technical skill to materially affect how millions of orders are processed and fulfilled every day. Design high performance and scalable solutions that meet the needs of millions of Walmart customers and its next generation Logistic system. Build solutions that enable sophisticated analytics on terabytes of data collected from various sources. Implement cutting edge models and algorithms that operate on massive amounts of data. Develop high performance and scalable solutions that extract, transform, and load big data. Help the team leverage and contribute to open source technologies.

Your Responsibility

As a Senior Software Engineer you would be responsible for leading a product development team and ensure agile product delivery.

Work with Architects/Engineering Managers to design and plan for best solution and implementations.

Lead and mentor engineers to participate in design and technical grooming sessions to find optimized solutions.

Lead and contribute to create large scalable Scala/Spark jobs for data transformation and aggregation.

Lead and develop web services on Scala using various libraries like Akka HTTP, Play Framework, Slick etc.

Ensure test automation leveraging Scalatest and other frameworks for unit and integration test cases in order to ensure software quality standards.

Lead the team to design and implement unit tests for Spark transformations and helper methods.

Design and contribute to the overall DevOps for SBT builds, application deployment stages and releases.

Interact with Walmart cross functional engineering teams such as cloud, security, platform, analytics etc. across geographies to leverage technical expertise and contribute to the engineering community.

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Learn new and changing technologies and adapt to ensure best software practices and standards.

Your Qualifications

Bachelor?™s degree in computer science or related discipline and 6+u202fyears of core software product development experience.

Strong computer science fundamentals in algorithms, data structures, databases, operating systems, etc.

Strong Hands on in designing and developing large scale Scala based applications

Experience with functional programming

Strong experience on in designing and developing large scale Scala/Spark/PySpark based applications

In depth knowledge on Spark core, RDD, Dataframe/Dataset operations

Good knowledge and working experience on Spark Streaming

Strong understanding on Spark architecture, Spark query tuning and performance optimization

Hands on experience with Scalatest, Junit, Mockito

Hands on experience with SQL/No-SQL and large storage systems (SQL-Server, MySQL, Cassandra, MongoDB etc.)

Hands on in REST, Messaging (Kafka, Rabbit MQ etc.)

Knowledge and experience on Micro Services and Docker

CICD knowledge and working experience on any cloud platform

Experience on leading a product development team on technical design and delivery is added advantage

Our Ideal Candidate

You have a deep interest and passion for technology. You enjoy working with people who will keep challenging you at every stage. You breadth and live large scale systems engineering. You have strong problem solving, analytic, decision-making and excellent communication with interpersonal skills. You are self-driven and motivated with the desire to work in a fast-paced, results-driven agile environment with varied responsibilities. You will also have to provide technical leadership and mentoring to a small team of highly talented and motivated engineers to deliver these solutions with highest quality.

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