
Hiring: Senior Java Full Stack Developer
Exp: 8-13 Years
Location: Bangalore-HAL Main Road [WFO 3 Days]
NP: Only Immediate Joiners
Mandatory Skills: Core Java, AWS, Microservices, ReactJS, Redux
Responsibilities
Core Java Expertise: Utilize your deep knowledge of Core Java to develop robust, high-performance server-side applications.
Spring Boot & Microservices: Design, develop, and maintain Microservices-based applications using Spring Boot, ensuring scalability, performance, and reliability.
Frontend Development: Develop responsive and interactive user interfaces using React.js and Redux, ensuring a seamless user experience.

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Job Description
Cateina Technologies is looking for a Java Developer, to build a solid team of passionate developers. As a prerequisite, the candidate should have 4+ years of sound programming knowledge and experience mainly in Java and also in the below-mentioned skills, and be willing to work with niche next-gen technologies.
Location: Mumbai
Job Opening: 1
Primary Focused on Java and Spring Boot, Microservice, and Hibernate.
Technical Skills:
- Java
- Spring, Springboot
- MySQL, Postgres SQL, Microservice
- Preference will be given to Jboss/ Camel/ Mule, Quarkus, JMS, MQ, Kafka
- Open API spec 2.0, 3.0
- Design, develop, and maintain robust RESTful APIs and web applications.
- Utilize the JSP framework and Spring Boot for application development.
- Ensure smooth communication using JSON and XML for REST services.
- Write efficient and optimized Oracle queries for database interactions.
- Implement authentication and security measures for application servers and APIs.
- Apply techniques for data integrity, hashing, and encryption.
- Collaborate with cross-functional teams to migrate microservices as needed.
Required Skills:
- Proficiency in Java development, particularly with JDK 1.8.
- Strong expertise in RESTful API services.
- Hands-on experience with JSON and XML communication.
- Solid understanding of application server management and API security practices.
- Ability to write and optimize Oracle queries.
- Experience in authentication mechanisms and security best practices.
- Knowledge of data integrity, hashing, and encryption techniques.
Other Additional Skills:
- Strong communication skills both written and verbal
- Enthusiastic, Creative, and flexible
- Organized, with an ability to prioritize time-sensitive assignments
- Capable of working both independently and in a team environment
- Should have prior team handling experience
- Professional with work ethics
- Completed any degree.
Who can apply
Candidates who:
- have the relevant skills and interests
- Stays in Mumbai or ready to re-locate
Office Location
Cateina Technologies
126, First Floor,
Shivkrupa Industrial Estate,
Lal Bahadur Shastri Rd,
Vikhroli (West),
Mumbai, Maharashtra 400083
Please go through our website www.cateina.com and read about what we do before coming to an interview
Job Title: Senior Java Developer - Experience: 4.5 + years
Roles and Responsibilities:
· Translate application storyboards and use cases into high-quality, efficient code.
· Design, develop, and maintain clean, reusable Java code.
· Take full ownership of modules, ensuring timely deployment to production.
· Optimize application performance, quality, and responsiveness.
· Identify and resolve bottlenecks, bugs, and technical issues.
· Maintain high standards of code quality, organization, and automation.
· Write well-structured, testable, and efficient code.
· Investigate new technologies and approaches, presenting them for architectural review.
· Participate in code reviews and provide constructive feedback to peers.
· Stay current with the latest technologies and trends.
Desired Candidate Profile:
· Strong proficiency in Core Java (OOP, Collections, Threads, Regular Expressions, Exception Handling).
· Solid understanding of object-oriented programming.
· Ability to write clean, readable Java code.
· Knowledge of scalable application design principles.
· Strong experience with Relational Databases, SQL, and ORM technologies (e.g., MySQL, Hibernate).
· Proficiency in software design and development using Java, J2EE, Spring Boot, Spring Security, and Hibernate.
· Experience with test-driven development.
· Familiarity with CI/CD processes for build and deployment.
Must-Have:
· Java 8/Java 11 experience.
· Expertise in the Spring Framework.
· Hands-on experience with relational databases (Oracle/MySQL/PostgreSQL/SQLServer).
· Proficiency in building scalable REST APIs (capable of handling 20k+ simultaneous users).
· Willingness to work with new technologies.
· Strong communication skills.
Nice to Have:
· Experience with React JS, and JavaScript framework.
· Microservices architecture knowledge.
· Familiarity with Redis, AWS S3, AWS Lambda, and NoSQL databases.
· CI/CD experience.
Brilworks will support your growth in these areas where necessary! :)
- 2.5+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 3+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
Job Description
We are looking for a developer to help maintain the existing Java applications, and to guide development of the next generation tools. The right individual for this role must be capable of building applications in Java, using modern architectures. Should be hands on in Object Oriented Languages (Java, C# and Go), Cloud Based Technologies (AWS, DevOps and Serverless), Front End Frameworks (Angular, React JS, Spring Boot, Spring React, Node.js), Cutting Edge Data Tools (Python, Spark, Machine Learning) and Next Generation technologies (AI, Blockchain) etc. You should be comfortable with application coding based on design and specifications, and also be comfortable working with application protocols such as JSON RPC, SOAP, and REST. The candidate must be a top-notch Java developer committed to becoming an integral part of and fostering growth within our development team.
Primary Responsibilities:
- Working with the architects and development lead, documents and develops best practices for development, and deployment of applications, and works with members to foster growth within the team.
- Develop user interface components and implementing them following well-known React.js workflows (such as Flux or Redux)
- Predicts application development requirements based on changes in underlying architecture
- Either individually or leading a team of resources, determines hardware/software systems requirements and leads systems hardware/software design. Analyzes, designs, programs, debugs, supports, and modifies software enhancements and/or new products used in local, networked, or Internet-related computer programs.
- Partners with the IT Architect during the initial stages of the project/solution to ensure the accuracy of business cases and that the solution will meet the business need.
- Completes documentation and procedures for installation and maintenance. May interact with users to define system requirements and/or necessary modifications.
Qualifications
- 5+ years of Java development experience, ideally in a team lead role
- High level skills in Java, (preferably java 1.8 – knows to write lambda expression, understands functions etc), using the latest SDKs and tools and frameworks such as Spring boot, spring JDBC, Spring test, spring security, RxJava, etc of Java
- Experience interfacing with back-end applications using MQ, SOAP, RESTFUL services, and JSON. - Worked on at least one of JaxRs implementations.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Understands database concepts – proficient in writing relational database queries – Oracle
- Ability to develop functional, technical and user interface designs for an application that meets the defined requirements (business, system performance and standards)
- Demonstrates deep expertise in specific coding concepts and/or languages, especially around modern application architectures.
- Experience with web applications that use responsive design to better support mobile browsers.
- Experience in highly-secured online environments that use n-tier designs and extensive fire walling to enhance security.
- Experience in multi data center physical implementation models for scalability and resilience.
- Experience partnering with others to solve problems quickly and efficiently.
Required Education:
B.Tech./ BE - Computer, IT, Electronics only
Required Skills:
- 3+ year of experience in Development in JAVA technology and springboot
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 4+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
We are looking to hire Java developers who can help us in our mission to transform ideas into applications. Our cross-functional team of motivated, skilled and experienced software engineers and designers, help the clients unlock the business values of their enterprises in a time-bound and cost-effective manner. True to our team you would be working on high-impact projects and making a dent in the Service industry on a daily basis.
Skills :
- Excellent Communication Skills
- 4-6 years of experience in Java8 Development.
- V yAPI, Spring Boot/MVC, Spring Security
- Hibernate, JPA, MySQL/POSTGRES, Jenkins, Git
- Experience of developing high-performance and scalable web applications and APIs using frameworks such as Spring Boot/MVC, Spring Security, Hibernate, and JPA.
- Hands-on Experience of Version control(Git), MYSQL/POSTGRES, Jenkins, etc.

Core Responsibilities:
- Design and build solutions for complex business workflows
- Understanding the user persona and deliver a slick experience
- Take end to end ownership of components and be responsible for the subsystems that you work on from
- design, code, testing, integration, deployment, enhancements, etc.
- Write high-quality code and taking responsibility for their task
- Solve performance bottlenecks
- Mentor junior engineers
- Deliver with quality, on-time in a fast-paced start-up environment
Required Skills:
- Bachelor/Master's in computer science or relevant fields
- 4+ years of relevant experience
- Strong sense of ownership
- Excellent Java and object-oriented development skills
- Experience in building and scaling microservices
- Strong problem-solving skills, technical troubleshooting and diagnosing
- Expected to be a role model for young engineers, have a strong sense of code quality and enforce code
- quality within the team
- Strong knowledge in RDBMS and NOSQL technologies
- Experience in developing backends for enterprise systems like eCommerce / manufacturing / supply chain etc
- Excellent understanding of Debugging performance and optimization techniques
- Experience in Java, Mongo, MySQL, AWS technologies, ELK stack, Spring boot, Kafka
- Experience in developing any large scale Experience in cloud technologies
- Demonstrated ability to deliver in a fast-paced environment
Java/J2EE stack
• Design and develop RDandX Network’s microservices and ensure bug free code is pushed to
the deployment pipeline to support large volume of transactions
• Define and communicate the technical design requirements to the Network’s stakeholders
and the Engineering lead
• Responsible for building restful services to integrate with third party services like AdWords
and Facebook marketing API
• Responsible for designing the technical architecture of the different services and
maintaining and upgrading it
• Designing the unit test cases and building the framework for the development team to
enforce the unit testing in all the services
• Be involved and participate in the end to end products’ lifecycle management
• Learn about new technologies and Stay up to date with best practices
• Collaborate with multidisciplinary team of designers, engineers, system administrators and
product team
• Lead the Backend team and manage their day to day activities and work deliverables
1. Design, develop and deliver web services and jobs that powers Niki, India's first transactional bot.
2. Write code that are clean, testable, performant, scalable, documented and secure
3. Design and architect new sub-systems, identity perf bottlenecks and suggest design/architect improvements
Qualifications:
1. Minimum of 5 years of software development experience preferably developing e-commerce applications
2. Bachelor’s and/or Master's degree in Computer Science or related field of study
Preferred Qualifications:
1. Fluent in Java or any other object oriented programming languages
2. Knowledge of Design patterns and design principles
3. Experienced in delivering REST style web services
4. Significant experiences in asynchronous and multi-threaded programming
5. Strong CS fundamentals with good hold on DS and Algo.
Good to have:
1. Knowledge of Spring
2. Experience with AWS, Azure or Google Cloud

