
About Walmart labs
About
WalmartLabs is an American privately held company in Mountain View, California. We help people around the world save money and live better – anytime and anywhere – in retail stores, online, and through their mobile devices. @WalmartLabs has three development centers worldwide: USA, Brazil and India.
The Global Data and Analytics Platforms (GDAP) team @ Walmart Labs in Bangalore provides Data Foundation Infrastructure, Visualization Portal, Machine Learning Platform, Customer platform and Data Science products that form part of core platforms and services that drive Walmart business. The group also develops analytical products for several verticals like supply chain, pricing, customer, HR etc.
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Requirements
- Senior SD4 engineer/Principal Engineer/ Architect who has led or been part of platform teams inside a large/mid tech company
- Deep expertise working with any of the programming languages to write maintainable, scalable, unit-tested code.Python experience is a bonus - but not required
- Good understanding of REST APIs and the web in general and ability to build a feature from scratch & drive it to completion
- Experience with Kubernetes, Prometheus, Grafana, ELK stack, Load Balancing
- Experience in building a platform team on AWS for Product based companies/start-ups
What You’ll Do
- Build the core technology platform, including Automated provisioning of infrastructure, deployment, and monitoring of services
- Build a central services directory within an organization that shows the cost and health of all services and makes the management of microservices extremely easy
- This involves working with core infrastructure and understanding them in great detail - like Kubernetes, ServiceMesh, Service security
- Mentor/coach engineers to facilitate their development and provide technical leadership
Work Location - Bangalore (Should be ready to relocate)
Kindly go through the JD & company details if interested please revert with below details & acknowledge with your availability.
Mode of work: Hybrid weekly 2/3 Times Mumbai/ Bangalore location.
While you may already know about Wissen and the company history, here is a quick rundown for you.
INTERVIEW PROCESS:
- Hacker earth assessment
- Round 1
- Round 2
- Final Round
About Wissen Technology:
• The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015.
• Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains. We help clients build world class products.
• Our workforce consists of 550+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.
• Wissen Technology has grown its revenues by 400% in these five years without any external funding or investments.
• Globally present with offices US, India, UK, Australia, Mexico, and Canada.
• We offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
• Wissen Technology has been certified as a Great Place to Work®.
• Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.
• Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.
We have served client across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include likes of Morgan Stanley, MSCI, State Street, Flipkart, Swiggy, Trafigura, GE to name a few.
Website : www.wissen.com
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Job Description:
As per our conversation, please find below the job description for your review.
· Strong written/verbal communication skills
· Minimum 4-14 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork join pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object-Oriented Concepts and Data Structures
· Good experience in Database (Sybase, Oracle, or SQL Server) like indexing (clustered, non clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.
· While you may already know about Wissen and the company history, here is a quick rundown for you.
2+ years of experience developing web applications using J2EE.
2+ years of experience in Spring Boot.
Good knowledge of MicroServices.
Expertise developing enterprise-level web applications and RESTful APIs using MicroServices, with demonstrable production-scale experience.
Working experience in Industry Standard protocols related API Security including OAuth is a must.
Demonstrate strong design and programming skills using JSON, Web Services, XML, XSLT, PL/SQL in Unix and Windows environments.
Strong Shell scripting experience
Passion to stay on top of the latest happenings in the tech world and an attitude to discuss and bring those into play.
Strong collaboration and communication skills within distributed project teams
Excellent written and verbal communication skills
- 3-8+ years of experience programming in a backend language (Java / Python), with a good understanding of troubleshooting errors.
- 5+ years of experience in Confluent Kafka / 3+ years of experience in Confluent Kafka
- Cloud Kafka, Control Central, Rest Proxy, HA Proxy, Confluent Kafka Connect, Confluent Kafka Security features
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¡ Solid Design and Architecture skills. Experience in the designing, development, and deployment of large-scale enterprise applications with multiple tiers. |
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¡ Ensure agile test-driven development for robustness, usability, reliability, security and performance. |
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¡ Expert in Core JAVA and Spring Boot and other Spring libraries, Eureka, Hystrix etc. |
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¡ Experience creating architecture or developing web services to integrate applications with databases such as Oracle, MySQL, MongoDB, or Cassandra |
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¡ Solid understanding of OOPS, algorithms and data structures. |
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¡ Experience on Kafka / Scala / Storm / Elastic Search and Web Services like RESTful / SOAP. |
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¡ Extensive experience with version control systems (Git is preferred) and issue tracking systems (JIRA is preferred) |

About Sibros
Headquartered in Silicon Valley and backed by top flight investors, Sibros offers a vibrant and dynamic culture where you can apply your talents to help shape game changing innovations being adopted by some of the most valuable electric vehicle startups to prestigious automotive brands around the world.
Collaborate with a team of highly skilled and knowledgeable engineers, where from day one your work will have a direct impact on millions of vehicles, a roster of A-list customers and how the world moves people and goods. Sibros is a certified Great Place to Work, Most Diverse Company and our technology has captured major media headlines and industry awards including the 2021 Connected Car Platform of the Year by IoT Breakthrough Awards. For more information visit http://www.sibros.tech/">www.sibros.tech
About the Role
- Deliver high-quality code in a fast-paced customer-facing product
- Build distributed systems to support large scale, low latency queries
- Be involved in the full life-cycle of product development from concept to deliverables
- Iterate quickly by working closely with the firmware team as well as clients and end-users of the products
- Design and implement a secure and robust API to communicate with millions of vehicles
Minimum Qualifications
- Excellent understanding of computer science fundamentals, data structures, and algorithms
- Good understanding of SQL or NoSQL Database
- Experienced in writing production-grade code
- Strong background in designing large scale distributed systems
Preferred Qualifications
- Strong experienced in writing Golang in production
- Familiar with Cloud-native technologies
- Familiar with version control systems
- Full Stack development experience in both frontend and backend
- Experienced in having fast iteration in product
Equal Employment Opportunity
Sibros is committed to a policy of equal employment opportunity. We recruit, employ, train, compensate, and promote without regard to race, color, age, sex, ancestry, marital status, religion, national origin, disability, sexual orientation, veteran status, present or past history of mental disability, genetic information or any other classification protected by state or federal law.

About the Role
The Engineering team in Bangalore, India is building products for the Martial Arts
fans across the world. As part of the engineering team, you would be expected to have
deep technology expertise with a passion for building highly scalable products.
This is a unique opportunity where you can impact the lives of people across 150+
countries!
Responsibilities
Own architecture, design, development, and implementation of different
modules/features of the services
Design, develop, deploy and support web applications.
Discover opportunities for performance improvements
Recommend ways to improve reliability, efficiency and code quality
Focus on continuous delivery and reducing complexity
Carry out code reviews and manage pull requests
Build applications based on micro-services architecture.
Requirements
Overall 1~3 years of experience in Backend development.
B. E/B. Tech in CS or equivalent streams from institute of repute (IITs, NITs, BITs,
IIITs or equivalent)
Strong object oriented design skills & knowledge of design patterns
Experience designing & developing distributed systems involving multiple web
services, databases (both SQL and NoSQL), caches, queues, etc. taking into
consideration scalability, availability, fault tolerance, consistency, etc. of the
overall system
Well-aware of and enforces development best practices: Unit Tests, Code Reviews,
Integration Tests, CI/CD, Monitoring, Alerting, etc.
Required Qualifications and Skills:
- 3-5 years of work experience in the development background, with at least 2 years experience in Java, Spring, Sprint Boot, Hibernate or JPA, MySQL, Oracle, Spring MVC.
- B.E. degree in Computer Science, Graduate in Software Engineering or equivalent
- Experience in Core JAVA, Spring, Spring Boot Frameworks.
- Experience with ORM's like Hibernate.
- Good knowledge of developing RESTful web services using Spring Boot, Java1.x,Servlet2.4, JSP2.0, JDBC3.0, Java Mail, Struts2.x, HTML, HTML5, Angular7+, JavaScript, JSF, Bootstrap2.x-3.x, JQuery & CSS 3.x, Maven 3.x, Apache Tomcat7
- Knowledge of Cloud AWS.
- Experience in any Messaging Queue e.g. Apache Kafka, ActiveMQ, etc.
- Experience on Web services with REST and SOAP.
- Experience working on tool set like Eclipse IDE, SQL clients.
- Experience using application server like Jboss, TomCat, Wildfly, glassfish.
- Experience in using tools like SOAP UI, POSTMAN
- Ability to write SQL queries to fetch data.
- Knowledge of Micro services, Redis Cache and Mongo DB (or any other NoSQL) is good to have








