📋 Job Details at a Glance 📍 Location Chennai, Tamil Nadu, India 🏢 Company Walmart 👥 Experience 5+ years 🎓 Qualification Relevant technical / engineering background 📅 Eligible Batch 2023, 2024, 2025, 2026 📄 Job Type Full Time 💰 Salary Not Disclosed 🏢 Industry Technology 🛠 Key Skills Python Java JavaScript Node.js React SQL Kafka Docker Senior Site Reliability Engineer at Walmart — Full Details & How to Apply Walmart is seeking a Senior Site Reliability Engineer in Chennai, Tamil Nadu, India to build a scalable omnichannel checkout solution. This role directly supports the development of core transactional systems, enabling technology partners to create efficient omni experiences. This Senior Site Reliability Engineer position is critical for advancing Walmart ’s next-generation multi-tenant, client agnostic, highly scalable omnichannel checkout solution. The role involves solving high-impact technical challenges in an agile environment, with responsibilities centered on system reliability, performance, and scalability. Candidates will work with technologies such as Python , Java , JavaScript , Node.js , React , SQL , Kafka , and Docker to ensure robust and resilient infrastructure. Walmart is a leading technology-driven company in the retail sector, with this team focused on creating innovative omni experiences through scalable transactional systems. The role is part of Walmart ’s technology infrastructure efforts, where reliability and performance of checkout systems are prioritized. The company emphasizes technical depth and operational excellence in this position. Candidates with a relevant technical / engineering background , at least 5+ years of experience , and belonging to the 2023, 2024, 2025, 2026 eligible batches should apply. The salary for this role is Not Disclosed . Graduates will gain hands-on experience with Python , Java , JavaScript , Node.js , React , SQL , Kafka , and Docker . This role provides exposure to enterprise-grade infrastructure and scalable system design, offering a strong foundation for progression into senior engineering or technical leadership roles in technology-driven environments. 📊 Role Difficulty: Medium | Competition Level: High | Fresher Friendly: No NexisGrow.com features this opportunity as part of its curated tech job listings. All details are sourced from the official job posting. Apply online before the opportunity closes. Senior Site Reliability Engineer jobs in Chennai, Tamil Nadu, India jobs are available through Walmart recruitment . Apply online to access this role with a clear technical focus and onsite work requirement. Job Role & Responsibilities The Senior Site Reliability Engineer at Walmart ensures omnichannel checkout systems operate with 99.99% uptime by deploying and maintaining containerized applications using Docker and Kubernetes . This role directly impacts transactional system reliability and user experience during peak shopping hours . Develop scalable, fault-tolerant solutions using Python and Java to improve performance of core transactional systems in Walmart’s e-commerce platform . Implement automated deployment pipelines with Docker and Kubernetes to reduce manual intervention and ensure consistent application rollouts across production environments . Optimize system performance by writing Python scripts to analyze system-level metrics such as CPU, memory, and I/O utilization in real time. Enhance the omnichannel checkout solution by refactoring Java -based components to improve response times and reduce latency during high-volume transactions. Monitor system health using SQL queries and Kafka message flows to detect anomalies and trigger alerts for production incidents . Collaborate with backend engineering teams to integrate React frontend components with Node.js microservices for seamless user interaction in checkout flows. Document operational procedures and performance reports using SQL and Python scripts to support internal audits and compliance with Walmart’s technical standards . Diagnose and resolve production outages by leveraging Java stack traces and Docker container logs to restore service within 15-minute SLA windows. This role demands direct ownership of system reliability , where every code change and deployment decision affects real-time transaction success and customer checkout completion rates . Required Skills & Technical Competencies The role requires a strong foundation in Python , Java , JavaScript , Node.js , React , SQL , Kafka , and Docker to execute core engineering tasks. Candidates must demonstrate proficiency in container orchestration and system-level automation through hands-on implementation. Technical Skills Python — advanced — used for developing automated monitoring scripts and performance analysis tools in Walmart’s transactional systems . Java — advanced — applied for refactoring and enhancing core backend services in the omnichannel checkout solution . JavaScript — intermediate — used to build real-time UI feedback in React components during checkout interactions. Node.js — intermediate — integrated with React to serve dynamic API endpoints for checkout flow updates. React — intermediate — used to develop responsive, state-managed frontend interfaces that interact with Node.js backend services. SQL — advanced — employed to query transaction logs and Kafka message databases for performance diagnostics. Kafka — intermediate — used to stream and process real-time event data from checkout systems to monitoring pipelines . Docker — advanced — essential for building and deploying containerized microservices in Kubernetes clusters at Walmart . When preparing your resume, emphasize specific projects where you used Python or Java to improve system performance, and include Docker or Kubernetes deployment logs as evidence of hands-on experience. Eligibility Criteria This role is designed for candidates with a relevant engineering degree , 5+ years of hands-on experience , and a proven track record in system reliability and containerized deployments . Must hold a Bachelor’s degree in Computer Science, Engineering, or a related field with a focus on software systems. Eligible batches are 2023, 2024, 2025, and 2026 only. Minimum of 5 years of professional experience in backend development or system operations with container technologies . CGPA or academic performance is not specified, but a strong technical foundation is required. Experience with GitHub repositories, CI/CD pipelines , or open-source contributions is expected in project work. Portfolio or project documentation showing real-world deployment using Docker and Kubernetes is mandatory. Documentation & Portfolio Requirements Your resume must include a clear project section with specific tools used (e.g., Docker , Python , Kafka ) and measurable outcomes such as latency reduction or deployment frequency . For this role, prioritize showcasing a GitHub repository with a Python or Java script that automates system monitoring or container deployment in a real-world scenario — this directly aligns with Walmart’s operational needs . Salary for Senior Site Reliability Engineer at Walmart 💰 Compensation Not Disclosed The advertised compensation for the Senior Site Reliability Engineer role at Walmart is Not Disclosed . The exact in-hand figure and any additional components are confirmed by the company during the offer or HR discussion stage. Recommended Courses & Preparation Tips for Senior Site Reliability Engineer Upskilling with the right resources significantly improves your selection odds for the Senior Site Reliability Engineer role by enhancing your technical expertise and aligning your skills with job requirements. Recommended Courses & Resources Python — Essential for automating tasks and managing infrastructure. Java — Key for building scalable applications and services. JavaScript — Useful for developing interactive web applications. Node.js — Important for server-side development and microservices. KodNest — Provides hands-on experience in modern software development practices. Boost your profile with relevant certifications at NexisGrow GetCertified — strengthen your application before you apply. Common Mistakes to Avoid ❌ Applying without demonstrating experience with Python or Java — Provide specific examples of your work. ❌ Using a generic resume — Tailor it to the responsibilities outlined in the job posting. ❌ Listing technologies like Docker without details — Explain your application of these technologies in past projects. ❌ Ignoring the experience requirement of 5+ years — Ensure you meet this criterion before applying. ❌ Adding unrelated technologies or unsupported claims — Stick to relevant skills and experiences. ❌ Failing to verify the official Apply URL — Always check the job details before submission. Before You Apply — Checklist ✅ Confirm the job title, company, location, work mode, and experience requirement. ✅ Check that you meet the supplied qualification criteria. ✅ Verify eligibility against the supplied eligible batches and experience requirement. ✅ Add relevant supplied JD keywords naturally to your resume. ✅ Highlight projects or experience related to the supplied technologies and responsibilities. ✅ Remove unsupported technologies, achievements, or experience claims. ✅ Open and verify the supplied Apply URL before submitting the application. ✅ Save the job details, application date, and role-specific resume version for tracking. Resume Tailoring & ATS Keywords for Senior Site Reliability Engineer Optimizing your resume for ATS is crucial for the Senior Site Reliability Engineer role, as it ensures your application is recognized and considered by automated systems. ATS Keywords to Include Senior Site Reliability Engineer Python Java Docker Kubernetes SQL Kafka Node.js React CI/CD Microservices REST APIs Resume Tips for This Role Highlight your 5+ years of experience prominently on the resume. Emphasize technical skills like Python , Java , and Docker as they are crucial for the role. Showcase a project that involved building scalable applications using Docker or Kubernetes. Use exact keywords from the job description naturally in your resume. Avoid adding unsupported technologies or achievements that cannot be substantiated. Build an ATS-optimized resume for this role using NexisGrow Resume Builder — free for all job seekers. Pro Tip: Avoid including unrelated work experience or skills that do not align with the job requirements. How to Apply for Senior Site Reliability Engineer at Walmart Apply Now — Walmart Open the official Apply URL and confirm the job title and company matches the Senior Site Reliability Engineer position at Walmart . Prepare a resume that aligns with the required skills, responsibilities, qualifications, and experience outlined in the job posting. Complete the official application form accurately, ensuring all information is truthful and avoiding unsupported claims. Submit the application and save the confirmation or application reference number if provided by the portal. Record the application date and monitor the official company portal or your registered email for updates. Applications are reviewed on a rolling basis — early submission is recommended. Apply Now — Walmart NexisGrow.com does not charge any fees for job applications. Walmart Walmart is a technology company based in Chennai, Tamil Nadu, India. This Senior Site Reliability Engineer role operates onsite and supports core transactional systems that enable omni experiences across segments and technology partners. The team builds scalable, multi-tenant checkout solutions using microservices and cloud technologies. They work in an agile environment to solve high-impact, sophisticated engineering problems. This role contributes to the Cloud Powered Checkout team, delivering a seamless omnichannel checkout experience. Early-career professionals gain hands-on experience with Docker , Kubernetes, and key programming languages like Python , Java , and JavaScript in real-world DevOps environments. Company Details Industry Technology Location Chennai, Tamil Nadu, India Connect With Us Careers Apply Now Website 🔗 walmart.wd504.myworkdayjobs.com Frequently Asked Questions Interview · Role · Salary · Growth ? Who can apply for this role? Eligibility Tap to expand + Answer Candidates with a relevant technical background, eligible batches from 2023 to 2026, and at least 5 years of experience can apply. ? What technical skills are most important for this role? Skills Tap to expand + Answer Key skills include Python, Java, Docker, Kubernetes, and SQL, as they are essential for the responsibilities outlined. ? What is the expected salary for this position? Salary Tap to expand + Answer Salary Display is Not Disclosed, which is the only salary information available. ? What should I expect after applying? Hiring Process Tap to expand + Answer The exact hiring stages are not specified in the job posting. ? How should I prepare for the interview? Preparation Tap to expand + Answer 1. Review the core technologies: Python, Java, Docker. 2. Prepare examples of past projects. 3. Understand the responsibilities outlined. 4. Familiarize yourself with Kubernetes and CI/CD processes. 5. Be ready to discuss problem-solving experiences. ? Is this role remote, hybrid, or onsite? Work Mode Tap to expand + Answer The role is onsite, as specified in the job description. ? What career exposure can this role provide? Growth Tap to expand + Answer The role offers exposure to advanced technologies like Docker and Kubernetes, along with responsibilities in system reliability and performance monitoring. ? What should I highlight in my resume for this role? Resume Tap to expand + Answer Highlight skills in Python, Java, Docker, and relevant project experiences that align with the responsibilities. ? Is there a last date to apply? Application Tap to expand + Answer Not specified in the job posting. ? Is there a probation period? Probation Tap to expand + Answer Not specified in the job posting. ? What is the work environment like for this role? Culture Tap to expand + Answer The role involves collaboration with engineers in an agile environment to solve sophisticated problems. ? Can freshers apply for this role? Fresher Tap to expand + Answer No, as the experience requirement is 5+ years. 🔗 Explore More on NexisGrow More jobs in Chennai Browse all Tech jobs Latest Fresher jobs More jobs at Walmart Work From Home jobs Ready to Apply? Don't Miss This Opportunity! Apply only via the official link. 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