
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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Job Description:
Role: Senior Backend Developer
Mode of work: WFO
Supercharge Your Career as a Senior Backend Developer at Technoidentity!
Are you ready to solve people challenges that fuel business growth? At Technoidentity, we’re a Data+AI product engineering company building cutting-edge solutions in the FinTech domain for over 13 years—and we’re expanding globally. It’s the perfect time to join our team of tech innovators and leave your mark!
What’s in it for You?
We are looking for a highly motivated Senior Backend Developer with 4-6 years of experience to join our team. The ideal candidate will have strong backend development expertise, a deep understanding of distributed systems, and a high sense of ownership. This role requires working independently on POCs and projects while also mentoring junior team members and enabling scalable delivery.
What Will You Be Doing?
- Design, develop, and maintain scalable backend systems and services.
- Work independently on project implementations and backend solution development.
- Implement distributed architecture design patterns to build reliable and high-performance systems.
- Collaborate with cross-functional teams to deliver robust backend solutions.
- Guide and mentor junior developers, ensuring quality implementation and adherence to best practices.
- Participate in system design discussions, code reviews, and technical decision-making.
- Ensure high ownership in delivering solutions aligned with project timelines and goals.
What Makes You the Perfect Fit?
- 4-6 years of backend development experience with strong expertise in Java or Go,
- Hands-on exposure to distributed systems, and solid knowledge of PL/SQL, with the ability to work independently and take high ownership of deliverables.
- Strong problem-solving and critical thinking abilities.
- Experience working with distributed systems and architecture design patterns.
- Strong database development skills with PL/SQL.
- Excellent team coordination and collaboration skills.
- High sense of ownership, accountability, and commitment towards project delivery.
- Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related technical field is required.
Good to Have Skills
- Exposure to Cloud platforms (AWS or GCP).
- Understanding of Frontend technologies or DevOps practices.
- Experience with workflow orchestration tools such as Temporal or similar platforms.
Work Requirements:
- Willingness to work in US or flexible shift timings based on project requirements
- Ability to work independently on POCs/projects and help scale additional pods of work
- Guide and direct junior team members to ensure proper implementation
Job Description:
We are seeking a highly motivated and skilled Full Stack Java Developer with strong experience in backend and frontend development, cloud deployment, and modern DevOps practices. The ideal candidate will have a solid background in Java/J2EE technologies, hands-on experience in developing microservices on AWS, and a good understanding of CI/CD pipelines and monitoring tools.
Key Responsibilities:
- Design, develop, test, and maintain scalable web applications and microservices.
- Implement backend logic using Core Java, J2EE, Spring Boot, Spring Batch, JPA, and REST APIs.
- Build responsive UIs using React, HTML, CSS, and integrate them with backend services.
- Develop and deploy microservices using AWS services like ECS, EC2, S3, API Gateway, Aurora, ALB, and Route 53.
- Participate in Agile development processes, including sprint planning, stand-ups, and retrospectives.
- Write unit and integration tests using JUnit and Cucumber.
- Monitor application performance using APM tools and analyze logs using Splunk or similar tools.
- Implement CI/CD pipelines using Jenkins, Maven/Gradle, and Git/Bitbucket.
- Work with containerization and orchestration tools like Docker and Kubernetes.
- Collaborate with cross-functional teams using tools like JIRA and Confluence.
Required Skills & Experience:
- Strong hands-on experience in Java/J2EE application development.
- Proficiency in Spring frameworks (Spring Boot, Batch) and RESTful services.
- Frontend development experience with React, HTML, CSS.
- Solid experience with AWS cloud technologies and deployment practices.
- Experience in writing and maintaining automated tests with JUnit and Cucumber.
- Knowledge of APM tools and log analysis tools (e.g., Splunk).
- Familiarity with CI/CD pipelines and tools (Jenkins, Maven/Gradle, Git).
- Experience with Docker and Kubernetes.
- Excellent problem-solving, debugging, and analytical skills.
- Good communication skills and ability to work in Agile teams.
Preferred Qualifications:
- AWS certification is a plus.
- Experience with Amazon Aurora and API Gateway in production environments.
- Knowledge of SOA, messaging systems (e.g., MQ), and security best practices.
Skills
- Strong analytical thinking and problem-solving abilities.
- Solid understanding of system design, data structures, and algorithms.
- Proven experience in designing and implementing scalable architectures and robust design patterns.
- Ability to deliver end-to-end features and enhancements with minimal supervision.
- Proficient in debugging and resolving complex production issues and identifying root causes quickly.
- Ability to quickly learn and integrate new systems into existing platforms.
Programming Languages
- Strong expertise in Java or Python.
Database Skills
- Proficiency in SQL, with hands-on experience in PostgreSQL and MySQL.
Experience with NoSQL technologies, including MongoDB and Redis.
About the Role:
We are seeking a skilled Java Developer to join our team. The ideal candidate will have strong experience in core Java development along with exposure to modern frameworks and tools. You will be responsible for designing, developing, and maintaining scalable applications while ensuring performance, security, and code quality.
Key Responsibilities:
- Design, develop, test, and maintain Java-based applications.
- Write clean, efficient, and reusable code following best practices.
- Collaborate with cross-functional teams (Product, QA, DevOps, etc.) to deliver high-quality software.
- Troubleshoot, debug, and optimize application performance.
- Participate in code reviews and contribute to continuous improvement.
- Stay updated with emerging trends, tools, and technologies in the Java ecosystem.
Required Skills & Qualifications:
- Strong proficiency in Core Java (Java 8/11/17).
- Experience with frameworks such as Spring / Spring Boot / Hibernate.
- Good knowledge of REST APIs, Microservices architecture.
- Familiarity with SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB, etc.).
- Understanding of multithreading, collections, and design patterns.
- Experience with version control systems (Git) and build tools (Maven/Gradle).
- Solid problem-solving skills and ability to work in an Agile environment.
Good to Have:
- Exposure to cloud platforms (AWS, Azure, GCP).
- Knowledge of containerization (Docker, Kubernetes).
- Experience with messaging systems (Kafka, RabbitMQ).
- Familiarity with CI/CD pipelines.
🚀 We’re Hiring: Senior Software Engineer – Backend | Remote | Full-time
Are you a backend engineering expert who thrives in high-growth startup environments?
Do you enjoy solving complex challenges with the latest technologies like Java 18+, Spring Boot 3+, and scalable microservices?
We’re looking for a Senior Software Engineer – Backend to help us build a world-class data science platform that powers cutting-edge AI solutions.
What You’ll Do:
🔹 Build and optimize scalable, secure backend systems
🔹 Collaborate with product owners & architects to shape business solutions
🔹 Deliver high-quality, production-ready code with best practices (unit testing, CI/CD, automation)
🔹 Work with modern tools like Kubernetes, Docker, NodeJS, React
🔹 Contribute to a high-performance engineering culture and drive innovation
What We’re Looking For:
✔️ 6+ years of experience with Java/Python, Spring Boot, REST APIs, microservices
✔️ Strong CS fundamentals, algorithms, and system design skills
✔️ Experience in secure web applications & scalable backend architectures
✔️ Knowledge of cloud (AWS/GCP/Azure), GitHub Actions, and Unix scripting
✔️ Startup mindset – fast learner, problem solver, impact-driven
🌍 Remote | High-growth environment | Global impact
Experience: 8-12 yrs
Location: Noida
Notice Period: Immediate Or 15 days
Job Description:
• 8-12 yrs. experience in Java, J2EE, SQL, JavaScript, HTML, CSS, XML, Oracle, SQL Server
• Strong in Core Java, J2EE and MVC architecture.
• Good written and oral communication skills (English required).
• Good interpersonal skills, with a focus on listening and questioning skills.
• Ability to absorb and retain information quickly.
• Proven analytical and problem-solving abilities.
Must Have:
* Min 3 years in Angular.
* 1 year in AWS.
* Basic knowledge 3-4 months exposure in Python .
Job title: Full Stack Developer
Location : Chandigarh
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About the Role: We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment. As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility. Responsibilities
Requirements
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Proficient in Java, J2EE and related technologies.
• Experienced in using spring, Spring Boot, Hibernate, messaging systems.
• Good understanding of relational database performance concepts and usage of ORM frameworks such as Hibernate
• Expert understanding of the object-oriented design and programming concepts
• Strong working experience on Data Structures, Algorithms and Collections.
• Solid experience building applications on top of RESTful APIs.
• Knowledge/experience with Spring MVC
• Stroing knowledge in developing and executing automated unit, functional and integration tests
• Good communication and analytical skills.
• Strong trouble shooting skills
1. Technical skills include Java/JDK 6 and above, web services SOAP, REST, Micro Webservice, XML Parsing and schema design skills, JDBC, ORM, Multi-Threading.
2. Hands-on experience in design (HLD/LLD) and design patterns and Design principles is mandatory.
3. Excellent communication and client handling skills are required.
4. Server-side component design, detailed technical design, development, implementation and maintenance
5. In depth knowledge of core java. Solid on coding fundamentals e.g. Object-Oriented design, data structures and dependency injection
6. Hands-on experience in widely used third party frameworks (e.g. Spring, Hibernate)
7. Experience with Java Script framework like EXTJS, Jquery , Angular etc.
8. Strong background Object Oriented analysis and design
9. Hands on experience with Databases technologies preferably MS SQL Server.
10.Knowledge of deployment platforms Jboss/ Wildfly/Tomcat.
11.Experience working in high performing development teams using Agile/Scrum methodologies and tools (eg.Agile,Jira)
12 Experience with automated code review tools and build process.
13.Experience in performance optimization by code optimization, profiling, detecting bottle neck and finding contended locks in system
14.Proven track record of being a successful developer and lead and mentor by accomplishing tasks on schedule with strong initiative, commitment to quality, team blending and leadership skills.
15.The candidate must be highly self-motivated confident and mature, well developed analytical and problem-solving skills with the aptitude to learn as well as a flexibility to adapt to change.
16. Candidate should have worked on end-to-end life cycle of the project (ideation to go-live)
The right candidate will be offered ESOPs as well in their compensation.

- Bachelor’s Degree in Computer Science or equivalent.
- 2+ years of industry experience in programming web applications, mobile and/or large-scale enterprise products.
- Knowledge of C#, ASP, .NET, MVC.
- Experience with XML, ADO/ADO.NET, LINQ, AJAX, IIS.
- Hands-on experience with SQL and relational databases.
- Experience in TFS and Visual Studio.
- Familiar with SDLC and programming design patterns.
- Familiar with Agile methodology.
- Skillful at reviewing new feature impacts on an application and recognizing potential risks.
- Detailed oriented, professional and possesses a positive work attitude.
- Communicate professionally both verbally and in writing.
- Effective time management skills.











