
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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To be successful in this role, you should have experience with:
- Designing and delivering cloud native, event driven, microservices aligned architectures using AWS (Lambda, S3, Glue, Athena, CloudWatch), Hadoop/Spark, Kafka, and related data engineering tooling.
- Building low latency data pipelines, real time analytics engines, and enterprise data models for front office and financing workloads.
- Driving strong engineering discipline — code reviews, automated validation, performance tuning, observability, and enterprise grade CI/CD practices.
- Partnering with global architects and senior stakeholders to convert conceptual designs into production ready components, and leading Agile delivery with clear requirements, estimation, and end to end ownership.
- Ensuring production readiness across resilience, monitoring, alerting, data integrity, and operational stability, while supporting RTB operations through incident triage, RCA, and robust fixes.
- Non-negotiable competencies: AWS, Python, low latency engineering, and experience working in globally distributed environments.
Some of the Highly Valued Skills may include:
- Strong collaboration with stakeholders across Prime Services, SBL, Funding, PnL, and Risk, coupled with solid capital‑markets domain knowledge.
- Technical leadership through coaching, code/design reviews, knowledge sharing, and building reusable frameworks and engineering assets that accelerate modernization.
- Demonstrating engineering excellence via PoCs, architecture reviews, and continuous improvement, while ensuring high standards in testing, non‑functional readiness, observability, and resilience.
- Good to have: AI/ML (RAG, agentic workflows), Java + microservices, Angular, and data products/data governance exposure and exposure to Snowflake, Databricks.
You may be assessed on critical success skills such as Risk & Controls, Change & Transformation, Business Acumen & Strategic Thinking, Digital & Technology Skills, Deep technical expertise in cloud engineering, data engineering, AI‑driven development, and platform modernization.
Purpose of the role
To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues.
Accountabilities
- Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance.
- Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives.
- Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing.
- Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth.
- Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions.
- Implementation of effective unit testing practices to ensure proper code design, readability, and reliability.
Vice President Expectations
- To contribute or set strategy, drive requirements and make recommendations for change. Plan resources, budgets, and policies; manage and maintain policies/ processes; deliver continuous improvements and escalate breaches of policies/procedures..
- If managing a team, they define jobs and responsibilities, planning for the department’s future needs and operations, counselling employees on performance and contributing to employee pay decisions/changes. They may also lead a number of specialists to influence the operations of a department, in alignment with strategic as well as tactical priorities, while balancing short and long term goals and ensuring that budgets and schedules meet corporate requirements..
- If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L – Listen and be authentic, E – Energise and inspire, A – Align across the enterprise, D – Develop others..
- OR for an individual contributor, they will be a subject matter expert within own discipline and will guide technical direction. They will lead collaborative, multi-year assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will train, guide and coach less experienced specialists and provide information affecting long term profits, organisational risks and strategic decisions..
- Advise key stakeholders, including functional leadership teams and senior management on functional and cross functional areas of impact and alignment.
- Manage and mitigate risks through assessment, in support of the control and governance agenda.
- Demonstrate leadership and accountability for managing risk and strengthening controls in relation to the work your team does.
- Demonstrate comprehensive understanding of the organisation functions to contribute to achieving the goals of the business.
- Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategies.
- Create solutions based on sophisticated analytical thought comparing and selecting complex alternatives. In-depth analysis with interpretative thinking will be required to define problems and develop innovative solutions.
- Adopt and include the outcomes of extensive research in problem solving processes.
- Seek out, build and maintain trusting relationships and partnerships with internal and external stakeholders in order to accomplish key business objectives, using influencing and negotiating skills to achieve outcomes.
We are seeking enthusiastic and motivated fresh graduates with a strong foundation in programming, primarily in Python, and basic knowledge of Java, C#, or JavaScript. This role offers hands-on experience in developing applications, writing clean code, and collaborating on real-world projects under expert guidance.
Key Responsibilities
• Develop and maintain applications using Python as the primary language.
• Assist in coding, debugging, and testing software modules in Java, C#, or JavaScript as needed.
• Collaborate with senior developers to learn best practices and contribute to project deliverables.
• Write clean, efficient, and well-documented code.
• Participate in code reviews and follow standard development processes.
• Continuously learn and adapt to new technologies and frameworks.
Core Expectations
• Eagerness to Learn: Open to acquiring new programming skills and frameworks.
• Adaptability: Ability to work across multiple languages and environments.
• Problem-Solving: Strong analytical skills to troubleshoot and debug issues.
• Team Collaboration: Work effectively with peers and seniors.
• Professionalism: Good communication skills and a positive attitude.
Qualifications
• Bachelor’s degree in Computer Science, IT, or related field.
• Strong understanding of Python (OOP, data structures, basic frameworks like Flask/Django).
• Basic knowledge of Java, C#, or JavaScript.
• Familiarity with version control systems (Git).
• Understanding of databases (SQL/NoSQL) is a plus.
NOTE: Laptop with high speed internet is mandatory
- Design and Develop: Architect, design, and implement high-performance Java-based backend services and applications.
- Code Quality: Write clean, efficient, and well-documented code following industry best practices and coding standards.
- Technical Leadership: Provide technical guidance and mentorship to junior developers, promoting best practices and fostering a collaborative environment.
- Collaboration: Work closely with frontend developers, product managers, and other stakeholders to understand requirements and deliver robust solutions.
- Performance Optimization: Identify and resolve performance bottlenecks and scalability issues.
- Testing: Implement comprehensive testing strategies, including unit tests, integration tests, and end-to-end tests.
- Continuous Improvement: Stay current with the latest industry trends, technologies, and best practices in Java/Golang development, and continuously improve our development processes.
Job Summary:
We are seeking a seasoned Java Backend Developer Lead to drive the design, development, and deployment of robust backend systems. This role requires hands-on coding expertise, architectural vision, and the ability to mentor and lead a team of developers in delivering high-performance, scalable applications.
Key Responsibilities:
- Lead the backend development team in designing and implementing microservices-based architectures using Java (preferably Java 11+).
- Architect and develop RESTful APIs and backend services using Spring Boot, Hibernate, and related frameworks.
- Collaborate with DevOps teams to streamline CI/CD pipelines using Jenkins, Docker, and Kubernetes.
- Ensure code quality through code reviews, unit testing (JUnit/TestNG), and integration testing.
- Optimize application performance and scalability through profiling and tuning.
- Guide team members in adopting best practices in software engineering, including Agile methodologies.
- Work closely with product managers, frontend developers, and QA teams to deliver end-to-end solutions.
- Maintain documentation and ensure knowledge sharing across the team.
Required Skills:
- Strong proficiency in Java, Spring Boot, and REST API development.
- Experience with relational databases (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis).
- Familiarity with messaging systems like Kafka or RabbitMQ.
- Solid understanding of cloud platforms (AWS, Azure, or GCP).
- Experience with containerization and orchestration tools (Docker, Kubernetes).
- Excellent problem-solving, debugging, and analytical skills.
- Strong leadership and communication abilities.
Preferred Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
- 7+ years of backend development experience, with at least 2 years in a lead role.
- Exposure to security best practices and performance testing tools like JMeter.
Java Developer Job Description -
Position - Java Developer
Skills - Java, Spring boot
Experience - 6-8yrs
Notice Period - 0-20 Days
Location - Bangalore
Must have experience on Java, Spring MVC / Boot, Hibernate / MyBatis
- Must have experience on building large scale application
- Must have experience on RESTful Web-Services
- Must be good in problem solving, Data structures and Algorithms.
- Strong understanding of Web Architectures, E-commerce solutions
- Strong understanding of any MySql / Postgresql
- Strong understanding of any Redis / Memcached / Mongodb / Elasticsearch
- Hands-on experience on GCP / AWS would be an added advantage
- Hands-on experience on Kubernetes / Docker would be an added advantage
- Basic knowledge of version control system like Git / Mercurial / Bitbucket
- Writes well managed and clean codes
Primary Duties
• Build a broad knowledge across various systems and processes via knowledge transfer and capture any missing information on the wiki
• Gather software requirements by talking to various stakeholders and document them
• Implement software solutions after discussing the requirements and taking direction from the Technical lead and talking to other colleagues within and outside the team
• Provide necessary effort and time estimates for tasks to aid scheduling and prioritization
• Provide necessary 3rd line support to the Operations teams including software fixes as needed
• Work on any BAU development activity including on-boarding new data sets and delivering new markets into the system
• Work with external vendors from time to time to gather necessary requirements for new data or changes to existing data specifications
• Maintain pro-active communication with relevant stakeholders and keep them updated on progress
General
- Any other duties commensurate with the post holder’s position and seniority; and
- All employees should understand that it is their personal responsibility to comply with all organisational, statutory and regulatory policies and procedures.
Experience, Knowledge & Skills
Essential
- 4+ years’ experience of programming in Java.
- 4+ years’ experience working with SQL including complex queries, stored procedures, views, database design and solid understanding of database concepts (preferably SQL Server)
- Experience of both Linux and Windows environments, scripting and tools
- Willing to carry out operational data tasks alongside developing new solutions
- Well organised with the ability to prioritise and manage multiple streams of work
- Excellent communication skills
Beneficial
- Experience working with Cloud environments (preferably AWS)
- Experience in handling financial data sets and familiarity with financial instruments (equities, futures, FX)
- Experience working with data pipelines and building ETL solutions
- Experience working with tools like Flink, Kafka and Tableau
Educational & Professional Qualifications
- Educated to degree (or equivalent) level or higher.
- A degree with mathematical and computing content (e.g. Computer Science, Maths, Physics)
About OneAssist
OneAssist is founded with a vision to provide a ubiquitous platform for assistance & protection services to customers.
A leader in Assistance and Protection products across Home Appliances, Personal Electronics, Physical and Mobile Wallets, OneAssist is a Technology-led organization. It has created a horizontal Assitance and Protection platform powered by Technology, Analytics and Data Science.
OneAssist wants to provide consumers the convenience of availing assistance and protection products through digital touch points- Mobile App, website, Voice and chat.
Founded in 2011, OneAssist has been well funded by Marquee investors, Sequoia Capital, Lightspeed Venture Partners, Assurant Solutions and Trifecta Capital with total cumulative funding of $33.2 Million. The latest Series C funding of &17.5 Million was raised in 2017.
Some of our significant partnerships are with Airtel, HDFC, HomeCredit, Pinelabs, InstaCash and more.
https://www.linkedin.com/company/oneassist-consumer-solutions/about/">https://www.linkedin.com/company/oneassist-consumer-solutions/about/
https://www.oneassist.in">https://www.oneassist.in
Job Description:
- Write maintainable/scalable/efficient code.
- Design and architect technical solutions for the developer community at OneAssist Work in a cross-functional team, collaborating with peers during the entire SDLC.
- Follow coding standards, code reviews etc. Follow scrum sprint cycles and commitment to deadlines.
Traits we are looking for in you: 3+ years experience developing large scale customer facing internet systems Strong problem-solving skills.
- Hands-on experience in coding capability in desired technology Solid experience in Java/J2EE frameworks such as Spring, Spring Boot, Spring Cloud, Hibernate.
- Strong Experience with Microservices, RESTful Web services, OOPs concepts.
- Nice to have knowledge of Docker, Kubernetes, Jenkins and CI/CD Knowledge
- Strong background in designing or extending existing test frameworks such as Junit Experience with version control systems such as Git. Good understanding of application security (authentication, authorization, web security etc.)
5 years of architecture, design and programming experience preferably in fast-paced dynamic environment
Strong application design and implementation skills, solid understanding of the entire development cycle.
Strong background in Java/J2EE based application
Strong background in Spring/Spring boot based application
Strong background in Microservices based application
Experience working with Apache and/or Tomcat
Experience in transforming requirements to software design
Strong Experience with developing Java SAAS web applications.
Working experience in Industry Standard protocols related API Security including OAuth
Demonstrate strong design and programming skills using JSON, Web Services, XML, XSLT, PL/SQL in Unix and Windows environments.
Strong background working with Linux/UNIX environments.
Strong Shell scripting experience.
Working knowledge with Oracle, DB2 or MongoDB databases.
Passion to stay on top of the latest happenings in the tech world and an attitude to discuss and bring those into play. Strong agile/scrum development experience
Strong collaboration and communication skills within distributed project teams
Excellent written and verbal communication skills












