
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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Key Responsibilities
- Design, develop, and maintain microservices and APIs running on GKE, Cloud Run, App Engine, and Cloud Functions.
- Build secure, scalable REST and GraphQL APIs to support Our Client front-end applications and integrations.
- Work with the GCP Architect to ensure back-end design aligns with enterprise architecture and security best practices.
- Implement integration layers between GCP-hosted services, AlloyDB, Cloud Spanner, Cloud SQL, and third-party APIs.
- Deploy services using Gemini Code Assist, CLI tools, and Git-based CI/CD pipelines.
- Optimize service performance, scalability, and cost efficiency.
- Implement authentication, authorization, and role-based access control using GCP Identity Platform / IAM.
- Work with AI/ML services (e.g., Vertex AI, Document AI, NLP APIs) to enable intelligent back-end capabilities.
- Collaborate with front-end developers to design efficient data contracts and API payloads.
- Participate in code reviews and enforce clean, maintainable coding standards.
Experience & Qualifications
- 6–8 years of back-end development experience, with at least 3+ years in senior/lead analyst roles.
- Proficiency in one or more back-end programming languages: Node.js, Python, or Java.
- Strong experience with GCP microservices deployments on GKE, App Engine, Cloud Run, and Cloud Functions.
- Deep knowledge of AlloyDB, Cloud Spanner, and Cloud SQL for schema design and query optimization.
- Experience in API development (REST/GraphQL) and integration best practices.
- Familiarity with Gemini Code Assist for code generation and CLI-based deployments.
- Understanding of Git-based CI/CD workflows and DevOps practices.
- Experience integrating AI tools into back-end workflows.
- Strong understanding of cloud security and compliance requirements.
- Excellent communication skills for working in a distributed/global team environment.
Responsibilities:
- Lead simultaneous development for multiple business verticals.
- Design & develop highly scalable, reliable, secure, and fault-tolerant systems.
- Ensure that exceptional standards are maintained in all aspects of engineering.
- Collaborate with other engineering teams to learn and share best practices.
- Take ownership of technical performance metrics and strive actively to improve them.
- Mentors junior members of the team and contributes to code reviews.
Requirements:
- A passion to solve tough engineering/data challenges.
- Be well versed with cloud computing platforms AWS/GCP
- Experience with SQL technologies (MySQL, PostgreSQL)
- Experience working with NoSQL technologies (MongoDB, ElasticSearch)
- Excellent Programming skills in Python/Java/GoLang
- Big Data streaming services (Kinesis, Kafka, RabbitMQ)
- Distributed cache systems(Redis, Memcache)
- Advanced data solutions(BigQuery, RedShift, DynamoDB, Cassandra)
- Automated testing frameworks and CI/CD pipelines Infrastructure orchestration(Docker/Kubernetes/Nginx)
- Cloud-native tech like Lambda, ASG, CDN, ELB, SNS/SQS, S3 Route53 SES
Good to Have Skills:
- 3+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
Roles & Responsibilities:
- Excellent problem-solving & analytical skills & OO principles
- Solid understanding of the data structure & algorithms.
- Expert knowledge with any one of the Javascript Framework such as Node Js.
- Any additional experience with Java or python, GoLang would be nice to have.
- Experience working with SQL database like MySQL or PostgreSQL
- Experience working with NoSQL databases like mongoDB, couchbase would be nice to have
- Working experience with cache like redis, mem cached or elasticache would be nice to have
- Working experience with Message Queues would be a great advantage.
- Experience with deployment & AWS would be nice to have
- Ability to do in depth analysis or problem statement or use case & Build robust & scalable architecture
- Logging & monitoring of the production system in real time
- Lead a team of 2-4 team members & make sure team practices defined coding practices across the project.
- Minimum 1-year experience is mandatory
- Proven Software Development Skills in Laravel Framework and Core PHP
- Good knowledge and experience in OOPS concepts and Core PHP
- Good Database designing skills in MySQL
- Experience in known APIs like Google, Facebook, etc.
- Knowledge of JavaScript, JQuery, JASON, AngularJS will help
- Passion for Software Development and Coding
- Good Knowledge and Experience in WordPress will help.
Java Developer(java8,spring boot,microservices, rest api, SQL,JPA)
- Should have strong hands-on experience in JUnit, Spring Framework, Spring Boot.
- Should have experience in Microservices, WebSphere.
- Preferred to have experience in Jenkin and CI and CD pipeline.
- Should have worked in Agile methodologies.
- Experience in Web development, Responsive UI.
- Ability to recognize user experience needs and convert them into the design.
- Knowledge in REST services
- Basic knowledge in HTML, CSS
- Experience in Microservices
An ideal candidate must possess excellent Logical & Analytical skills. You will be working in a team as well on diverse projects. The candidate must be able to deal smoothly and confidently with the Clients & Personnel.
Key roles and Responsibilities:
⦁ Able to design and build efficient, testable and reliable code.
⦁ Should be a team player sharing ideas with the team for continuous improvement and development process.
⦁ Good Knowledge on Spring Boot, Spring MVC, J2EE and SQL Queries.
⦁ Stay updated of new tools, libraries, and best practices.
⦁ Adaptable, Self-Motivated, must be willing to learn new things.
⦁ Sound Good knowledge on HTML, CSS, JavaScript.
Basic Requirements:
⦁ Bachelors' Degree in Computer Science Engineering / IT or related discipline with a good academic record.
⦁ Excellent communication skills and interpersonal skills.
⦁ Knowledge on SDLC flow from requirement analysis to deployment phase.
⦁ Should be able to design, develop and deploy applications.
⦁ Able to identify bugs and devise solutions to address and resolve the issues.










