
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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Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. Required Skills: • Exp. - 4 to 7 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should have the ability to analyze, design, develop and test complex, low-latency client facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ 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 offers 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. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.
JOB DESCRIPTION
Experience: 3-8 years
Wissen Technology is now hiring for a Java Developer - Mumbai with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
- Exp. - 3-8 years
- Experience in Core Java and Spring Boot.
- Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
- Good development experience with RDBMS.
- Good knowledge of multi-threading and high-performance server-side development.
- Basic working knowledge of Unix/Linux.
- Excellent problem solving and coding skills.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts

JOB DETAILS:
* Job Title: Java Lead-Java, MS, Kafka-TVM - Java (Core & Enterprise), Spring/Micronaut, Kafka
* Industry: Global Digital Transformation Solutions Provider
* Salary: Best in Industry
* Experience: 9 to 12 years
* Location: Trivandrum, Thiruvananthapuram
Job Description
Experience
- 9+ years of experience in Java-based backend application development
- Proven experience building and maintaining enterprise-grade, scalable applications
- Hands-on experience working with microservices and event-driven architectures
- Experience working in Agile and DevOps-driven development environments
Mandatory Skills
- Advanced proficiency in core Java and enterprise Java concepts
- Strong hands-on experience with Spring Framework and/or Micronaut for building scalable backend applications
- Strong expertise in SQL, including database design, query optimization, and performance tuning
- Hands-on experience with PostgreSQL or other relational database management systems
- Strong experience with Kafka or similar event-driven messaging and streaming platforms
- Practical knowledge of CI/CD pipelines using GitLab
- Experience with Jenkins for build automation and deployment processes
- Strong understanding of GitLab for source code management and DevOps workflows
Responsibilities
- Design, develop, and maintain robust, scalable, and high-performance backend solutions
- Develop and deploy microservices using Spring or Micronaut frameworks
- Implement and integrate event-driven systems using Kafka
- Optimize SQL queries and manage PostgreSQL databases for performance and reliability
- Build, implement, and maintain CI/CD pipelines using GitLab and Jenkins
- Collaborate with cross-functional teams including product, QA, and DevOps to deliver high-quality software solutions
- Ensure code quality through best practices, reviews, and automated testing
Good-to-Have Skills
- Strong problem-solving and analytical abilities
- Experience working with Agile development methodologies such as Scrum or Kanban
- Exposure to cloud platforms such as AWS, Azure, or GCP
- Familiarity with containerization and orchestration tools such as Docker or Kubernetes
Skills: java, spring boot, kafka development, cicd, postgresql, gitlab
Must-Haves
Java Backend (9+ years), Spring Framework/Micronaut, SQL/PostgreSQL, Kafka, CI/CD (GitLab/Jenkins)
Advanced proficiency in core Java and enterprise Java concepts
Strong hands-oacn experience with Spring Framework and/or Micronaut for building scalable backend applications
Strong expertise in SQL, including database design, query optimization, and performance tuning
Hands-on experience with PostgreSQL or other relational database management systems
Strong experience with Kafka or similar event-driven messaging and streaming platforms
Practical knowledge of CI/CD pipelines using GitLab
Experience with Jenkins for build automation and deployment processes
Strong understanding of GitLab for source code management and DevOps workflows
*******
Notice period - 0 to 15 days only
Job stability is mandatory
Location: only Trivandrum
F2F Interview on 21st Feb 2026
- Strong proficiency in Java programming language.
- Experience with Java frameworks like Spring and Spring Boot.
- Understanding of RESTful APIs and web services.
- Experience with databases and data storage technologies (e.g., SQL, NoSQL).
- Knowledge of software development best practices, including testing and code quality.
- Experience with version control systems (e.g., Git).
- Familiarity with cloud platforms (e.g., AWS, Azure, GCP).
- Strong problem-solving and debugging skills.
- Excellent communication and collaboration skills.
- 6+ years of experience in Java backend development with expertise in Spring/Spring Boot and RESTful services.
- Solid grasp of Object-Oriented Programming (OOP), system design, and design patterns.
- Proven experience leading a team of engineers or taking ownership of modules/projects.
- Experience with AWS Cloud services (EC2, Lambda, S3, etc.) is a strong advantage.
- Familiarity with Agile/Scrum methodologies and working in cross-functional teams.
- Excellent problem-solving, debugging, and analytical skills.
- Strong communication and leadership skills.
Senior Software Developers collaborate with Business and Quality Analysts, Designers, Project Managers and more to design software solutions that will create meaningful change for our clients. They listen thoughtfully to understand the context of a business problem and write clean and iterative code to deliver a powerful end result whilst consistently advocating for better engineering practices. By balancing strong opinions with a willingness to find the right answer, Senior Software Developers bring integrity to technology, ensuring all voices are heard.
For a team to thrive, it needs collaboration and room for healthy, respectful debate. Senior Developers are the technologists who cultivate this environment while driving teams toward delivering on an aspirational tech vision and acting as mentors for more junior-level consultants. You will leverage deep technical knowledge to solve complex business problems and proactively assess your team’s health, code quality and nonfunctional requirements.
Job responsibilities
- You will learn and adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns
- You will use and advocate for continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible
- You will work in collaborative, value-driven teams to build innovative customer experiences for our clients
- You will create large-scale distributed systems out of microservices
- You will collaborate with a variety of teammates to build features, design concepts and interactive prototypes and ensure best practices and UX specifications are embedded along the way.
- You will apply the latest technology thinking from our Technology Radar to solve client problems
- You will efficiently utilize DevSecOps tools and practices to build and deploy software, advocating devops culture and shifting security left in development
- You will oversee or take part in the entire cycle of software consulting and delivery from ideation to deployment and everything in between
- You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills
Job qualifications:
Technical Skills
- You have experience using one or more development languages (Java, Nodejs, React, TypeScript, JavaScript, etc.) with experience in Object-Oriented programming
- You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming
- You are comfortable with Agile methodologies, such as Extreme Programming (XP), Scrum and/or Kanban
- You have a good awareness of TDD, continuous integration and continuous delivery approaches/tools
- Bonus points if you have working knowledge of cloud technology such as AWS, Azure, Kubernetes and Docker
Professional Skills
- You enjoy influencing others and always advocate for technical excellence while being open to change when needed
- Presence in the external tech community: you willingly share your expertise with others via speaking engagements, contributions to open source, blogs and more
- You’re resilient in ambiguous situations and can approach challenges from multiple perspectives
Other things to know:
Learning & Development
There is no one-size-fits-all career path at Thoughtworks: however you want to develop your career is entirely up to you. But we also balance autonomy with the strength of our cultivation culture. This means your career is supported by interactive tools, numerous development programs and teammates who want to help you grow. We see value in helping each other be our best and that extends to empowering our employees in their career journeys.
Software Engineer
Opportunity in this role / Why should you join us?
- You are your own master. We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt
- Work with one of India's leading fintech unicorn company
- ESOPs in the company
Requirements
- 3+ years and above exposure in the art of writing codes and solving problems for large scale
- Extensive and expert programming experience in any one programming language (strong OOPS skills preferred). Deep experience in a java programming language
- A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design.
- Have a penchant for solving complex and interesting problems.
- BE/BTech, MTech in Computer Science or related technical discipline (or equivalent).
- Excellent coding skills – should be able to convert the design into code fluently Good skills to write unit & integration tests with reasonable coverage of code & interfaces - TDD is a plus
- Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with the huge amount of data. Experience with
multi-threading and concurrency programming
- Ability to switch between the technologies and learn new skills on the go.
Roles and Responsibilities
- Drive discussions to create/improve the product, process and technology
- Build abstractions and contracts with separation of concerns for a larger scope
- Rapid prototyping
- Robust and scalable web-based applications
- Do high-level design with guidance; Functional modelling, break-down of a module
- Thinking platforms & reuse, the open-source contribution will be a plus
- Do incremental changes to architecture: impact analysis of the same
- Do performance tuning and improvements in large scale distributed systems
- Mentor young minds and foster team spirit.
● Execute these via designs and high quality implementations in Java and/or Python.
● Work with frontend engineer to clearly demarcate division of responsibilities via REST based interfaces.
● Focus on solutions that deliver non functional requirements around performance, scalability, security, high availability, monitorability, debuggability and other such concerns.
● Evaluate new technologies and build prototypes for continuous improvements
● Very strong real world experience on Java, Springboot, Microservices.
● Advocate best practices and standards
scalable technical stack, SQL, and big data technologies (preferably with strong data visualization and
analytics products).
Demonstrate knowledge of cloud architecture and implementation features (OS, multi-tenancy,
virtualization, orchestration, elastic scalability).
Experience in architecting, developing Micro services architecture with hand-onn experience.
Experience with Spring, Hibernate, Java, J2EE, Rabbit MQ, REST, Tomcat technologies.
Experience with Javascript UI technologies such as JQuery, Backbone, Bootstrap, AngularJS.
Job Description
Experience, seasoned professional and self-starter and need ability to translate customer/business
challenges and problems into tangible solutions.
Proactively bringing issues and problems to the attention of the team; generating, proposing and
implementing innovative solutions to solve them.
Proactively takes on challenges with a fresh perspective and open mind, with goal to provide continuous
improvement of platform and processes.
Demonstrates creativity, innovation and out-of-the-box thinking in crafting solutions addressing business
requirements, with near and long-term lenses.
Master-level experience and in-depth knowledge of Java platform with any one or more of: JBoss,
WebLogic, Websphere application servers.
Experience and knowledge of developing enterprise applications with i18n, l10n, and accessibility
support.
Preferred AWS certified architect and hands on AWS related technologies
Proven track record of troubleshooting and fixing performance, scalability, and reliability issues (memory
issues, multi-threading, CPU spikes, virtualization, etc.) in Linux/Unix or Windows environment.
Experience with troubleshooting and fixing database performance issues, and SQL tuning.
Experience and knowledge of secure coding best practices (such as OWASP).
Knowledge on BI tools and ETL.
Strong verbal and written communication skills.
Flexibility and ability to work in a fast-paced, rapidly growing environment.
Ability to work with globally distributed and multi-cultural teams.
Develop good development practices to ensure high quality deliverable.
Coach and develop development team members to ensure continuous improvement.
Monitor and assist developers in following established software development processes, policies, best
practices and expectations around coding and testing standards.
Take a hands-on approach in day-to-day development activities of team members including planning of
regular progress update meetings, design and code reviews and project reporting for team members.
Education
Bachelor degree in informatics, life-sciences or equivalent work experience is required.
Indicate below any additional preferred requirements if applicable (optional):
Masters of Science (MS) degree in relevant area of study is preferred.
Experience in testing business intelligence/analytics applications or software for multi-tenant enterprise
SaaS applications is a big plus
Experience with UI/UX testing, and testing products for accessibility
Having certification in CSM or ISTQB or equivalent.
Experience in testing business intelligence/analytics applications or software for multi-tenant enterprise
SaaS applications is a big plus
Scripting experience with bash or python or shell scripting. Must feel comfortable writing automation
scripts

Position : Lead / Developer - Guidewire
Experience : 7 – 12 Yrs
Client : a Digital Transformation Company
Location : Hyderabad, IND
Key Skills : Java/J2EE, Gosu, GW plug-ins, Jenkins/Mavens/TFS, Guidewire BillingCenter Functional & Integration, GX model, BillingCenter data model, P&C Insurance domain, SQL, JMS, Message Queue
Skills Required :
- Hands on Experience of Document Integration in Policy Center and Billing Center.
- Hands On experience in Rating Management(Rate table, routines, Product Model etc)
- Hands on Experience with Billing Center Components like Invoice, Disbursement, Deliquency, Payment Plan, Billing Plan etc.
- Hands on Experience in Configuration and Entity customization.
- Should ready to relocate Hyderabad.
- Pre Covid WFH, post Covid need to work from office.
- Should ready to work in US Shifts (EST Timings)








