

About Walkwel Technology Pvt. Ltd.
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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
MUST HAVES:
- #java11, Java 17 & above only
- #springboot #microservices experience is must
- #cloud experience is must (AWS or GCP or Azure)
- Strong understanding of #functionalprogramming and #reactiveprogramming concepts.
- Experience with asynchronous programming and async frameworks/libraries.
- Proficiency in #sql databases (MySQL, PostgreSQL, etc.).
- WFO in NOIDA only.
Other requirements:
- Knowledge of socket programming and real-time communication protocols.
- Experience of building complex enterprise grade applications with multiple components and integrations
- Good coding practices and ability to design solutions
- Good communication skills
- Ability to mentor team and give technical guidance
- #fullstack skills with anyone of #javascript or #reactjs or #angularjs is preferable.
- Excellent problem-solving skills and attention to detail.
- Preferred experience with #nosql databases (MongoDB, Cassandra, Redis, etc.).
Java Developer Responsibilities:
- Designing and implementing Java-based applications.
- Analyzing user requirements to inform application design.
- Defining application objectives and functionality.
- Aligning application design with business goals.
- Developing and testing software.
- Debugging and resolving technical problems that arise.
- Producing detailed design documentation.
- Recommending changes to existing Java infrastructure.
- Developing multimedia applications.
- Developing documentation to assist users.
- Ensuring continuous professional self-development.
Java Developer Requirements:
- Degree in Computer Science or related field.
- Experience with user interface design, database structures, and statistical analyses.
- Analytical mindset and good problem-solving skills.
- Excellent written and verbal communication.
- Good organizational skills.
- Ability to work as part of a team.
- Attention to detail.
- Analyze highly complex business requirements;
- generate technical specifications to design or redesign complex software components and applications;
- Acts as an expert technical resource for modeling, simulation and analysis efforts;
- Adapt to change quickly and adjust work accordingly in a positive manner;
- Be flexible and thrive in an evolving environment;
- Individual contributor to build the application for e-commerce platform;
- Assures quality, security and compliance requirements are met for supported areas;
- Working in cloud data stores to include S3, DynamoDB and/or Amazon RDS;
- Perform test automation in a test-driven development environment;
- Implement DevOps concepts, tools and continuous delivery pipelines - Bamboo, Jenkins, Maven, Bitbucket, Jira, etc;
- Implement instrumentation to gather business-specific metrics around consumer usage patterns;
- Proven hands-on Software Development experience
- Proven working experience in Java development
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns.
- Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc)
- Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring Framework
- Experience as a Sun Certified Java Developer
- Experience in developing web applications using at least one popular web
• Opportunity to develop game-changing, globally distributed, internet advertising products used by millions worldwide.
• Contribute hands-on, own, collaborate, and deliver new features and services at a fast pace.
• Build platforms, frameworks, APIs, libraries & automated tools to facilitate rapid issue
resolution and development & deployment of new features and changes.
• Own the prioritization, scoping and scheduling processes for new products and features.
• Work with and advise management on technical aspects, make well-informed decisions.
• Improve processes, technology & the applications you own continuously by showing the team better ways of doing things and help improve skills in the team.
• Prioritize tech-debt and ensure the platforms and applications meet the latest industry
standards.
• Learn new technology & practices, coach the team and conduct training sessions – devote time for learning and continuous improvement of self and team.
• Imbibe and maintain a strong customer service-oriented attitude while designing and building products.
Who should apply for this role ?
• 5 - 9 years of experience in building or managing large scale distributed systems
• BS/MS degree in Computer Science or other relevant majors
• A track record of working on scalable applications, preferably at a major internet property or well-known startup
• Good grasp on programming fundamentals including OOP, Design Principles and Data Structures
• Excellent analytical, logical, and problem-solving skills
• Solid knowledge of Java/Python/Golang, web services (REST/JSON), NoSql Databases,
Kafka/Kinesis/Spark, Elasticsearch/Solr/Kibana
• Can exhibit passion and enthusiasm for remarkable technology (Knowledge and contribution to open source projects, Active Blog, etc. is a plus)
• Ability to learn emerging technical/business standards and apply/coach development team in proper adoption
• Deep understanding of development processes and has personally contributed to critical
product cycles
• Communicate effectively & cross-functionally with other teams
Work on the development backend systems for our first product
Build reliable, secure and performant backend systems
Drive test coverage and continuous delivery automation within the team
Requirements
3-5 years of software development experience
Strong computer science fundamentals
Good knowledge of Java ecosystem
Can write code that is readable, maintainable and performant
Good understanding of relational databases, transactions, entity-relationship modeling
Comfortable writing multi-threaded programs
Desired Skills and Experience
Java,J2EE,Spring,Struts









