Backend Developer

Position : Lead – Java Full Stack Developer

Experience : 7 to 12 Years

Location : Kochi / Thiruvananthapuram / Remote

Notice Period : Immediate to 15 Days

Open Positions : 1

Role Overview :

We are looking for a Lead Java Full Stack Developer with strong expertise in Java (Java 21, Spring Boot, and Hibernate), Angular (v19), and AWS to lead agile scrum teams and drive end-to-end feature delivery.

Key Skills Required :

• Java 21, Spring Boot MVC, Spring Data, Hibernate, Gradle
• Angular 19, HTML5, CSS3, JavaScript, REST APIs
• PostgreSQL / RDBMS / NoSQL
• AWS services: S3, Secrets Manager, CloudWatch
• CI/CD (Jenkins, GitHub), Docker
• Unit Testing (Jasmine/Karma or Jest)
• Tools: JIRA, Azure DevOps, Confluence
• Strong in design patterns, OOPs concepts, and performance optimization
• Excellent debugging and communication skills

Responsibilities :

• Design, develop, and deploy scalable full stack solutions
• Lead sprint tasks, perform code reviews, and ensure code quality
• Collaborate with stakeholders and convert requirements into technical specs
• Participate in Agile ceremonies and follow DevOps/CI-CD best practices
• Guide team members and promote technical best practices

Interview Process :

1. Technical Round
2. 2–3 Technical Rounds
3. Final Technical Discussion

Kognitos is a cutting-edge automation platform that combines the power of Generative AI and Natural

Language Processing (NLP) to provide a conversational and intuitive experience for business users. As a

fully serverless, SaaS automation platform, Kognitos enables users to build, manage, and execute

automations in natural language, with the ability to process and understand domain-specific language.

Kognitos provides a detailed auditable view of its runs, allowing users to gain insights into why an action

happened or what might have gone wrong in case of an exceptional situation. Additionally, Kognitos's

conversational exception handling, powered by Generative AI, allows for quick and easy resolution of

unexpected system errors or business exceptions.

Responsibilities:

- Develop and maintain the backend infrastructure for our applications using Python and AWS Serverless

technologies.

- Collaborate with cross-functional teams to design and implement scalable and robust systems, including

microservices and cloud-based architectures.

- Ensure the reliability, scalability, and performance of the backend systems through monitoring and

optimization.

- Create and maintain database schema and queries to support the application features.

- Write unit and integration tests for the backend code and ensure code quality through code reviews.

- Continuously improve the software development process by incorporating best practices and modern

software development methodologies, such as Agile, DevOps, and CI/CD.

- Investigate and troubleshoot production issues and provide timely solutions to minimize downtime and

ensure smooth operations.

- Participate in architectural discussions and contribute to the development of technical solutions and best

practices.

- Stay up to date with the latest technologies and trends in software development and recommend

improvements to the technology stack to increase efficiency and scalability.

- Work in a fast-paced, collaborative environment with a focus on delivering high-quality software that

meets customer needs.

Required Experience/Skills:

- B.S. or higher degree in Computer Science/Engineering or similar field or equivalent work experience

- 4-20 years of industry experience (or equivalent)

- Proficient in Python programming language

- Experience with modern software development practices and methodologies, including Agile, DevOps,

and Continuous Integration/Continuous Delivery (CI/CD).

- Experience with large-scale distributed systems, microservices, and cloud-based architectures.

- Strong understanding of software design patterns, algorithms, data structures, and database technologies.

- A natural problem solver, with the ability to identify problems and lead the development of a solution.

• Experience in designing & developing systems/software for large business environments (Java, J2EE).
• Strong design and coding skills in Enterprise Java, REST & SOAP web services, ORM (JPA/Hibernate), Spring, Maven, JMS (ActiveMQ), Caching, XML, JSON.
• Experience with multiple integration technologies / frameworks.
• Must have good experience in Unix/Oracle/SQL.
• Experience in Agile Development, Scrum, and Iterative approaches.
• Experience and exposure to AWS Cloud Services and DevOps mindset and expertise is a plus Experience with Mule or any ESB (Enterprise Service Bus) is a plus.

Experience:

The candidate should have about 2+ years of experience with design and development in Java/Scala. Experience in algorithm, data-structure, database and distributed System is mandatory.

Required Skills:

Mandatory: -

1. Core Java or Scala
2. Experience in Big Data, Spark
3. Extensive experience in developing spark job. Should possess good Oops knowledge and be aware of enterprise application design patterns.
4. Should have the ability to analyze, design, develop and test complexity of spark job.
5. Working knowledge of Unix/Linux.
6. Hands on experience in Spark, creating RDD, applying operation - transformation-action

Good To have: -

1. Python
2. Spark streaming
3. Py Spark
4. Azure/AWS Cloud Knowledge of Data Storage and Compute side

• Design, develop and manage data on various open-source SQL databases
• End-to-end performance tuning of Oracle, MariaDB, MySQL, PostgreSQL, and Aurora against very large data sets
• Database cluster connectivity and security
• Conduct database training
• Software installation and configuration
• Database patching and upgrading
• Using monitoring and management tools
• Troubleshoot various issues with other dba’s/developers
• Point of Contact for Vendor escalation
• Point of Contact for professional service to Customers
• Cross-platform migration from Oracle to MySQL/MariaDB/PostgreSQL/Aurora
• Support the creation, maintenance, and implementation of procedures regarding how problems are identified, received, documented, distributed, and corrected
• Ensures project documentation is complete, current, and stored appropriately
• Manages day-to-day project and scope changes
• Communicate and coordinate database changes, backups, and downtime to users
• Identifies potential security issues and recommend strategies to ensure database security
• Research and evaluate new technologies
• Proactively monitor systems for optimum performance and capacity constraints
• Establish standards and best practices for SQL
• Interact with and coach developers in SQL scripting
• Perform database backup and recovery
• Provides 24x7 support for enterprise database systems

• Must provide mentoring and training to other staff members
• Write procedural documentation including requirements for databases
• Develop and coordinate knowledge transfer
• Establishes enterprise-wide uniform infrastructure, including supporting defined departmental content processes and creating guidelines for content deployment
• Interacts with business units to gather, define, and organize the delivery of business solutions Data
• Modeling, design & implementation based on established standards
• Automate manual tasks

• Candidate with a college degree and relevant work experience
• 7+ years of hands-on DBA experience with Oracle, MySQL, MariaDB, and PostgreSQL and supporting tools
• Strong experience with Linux is required, including command-line editors, scripting (shell, Python, Perl, etc.)
• Experience in database performance tuning and strong SQL tuning skills
• Experience in database and cross-platform upgrades required Experience in all aspects of the software development lifecycle including requirements gathering, design, coding, testing and production support
• Must be familiar with RDBMS concepts, practices, and procedures
• Must have knowledge of network connectivity
• Extensive experience with Export/Import, Backup and Recovery
• Extensive experience with Database Replication Master/Slave, Master/Master (BDR)
• Extensive experience with MySQL (MariaDB, Percona) Galera cluster
• Experience with MaxScale
• Proficient in SQL Language
• Knowledge of ServiceNow, or similar Ticket Management Software
• Knowledge of SAN infrastructure including HP and NetApp
• Ability to work on projects at a time
• Knowledge of middle-tier application servers
• Strong troubleshooting and problem resolution skills
• Good knowledge of Data Modeling
• Knowledge of XML and JDBC

• Experience of NoSQL databases (Cassandra, Oracle NoSQL, MongoDB) is a plus
• Certifications on MySQL, PostgreSQL, and Aurora

Role Description :

- Good Understanding of Java 8 with proven hands-on skills
- Experience in Spring Framework - Spring Boot, Spring Data, Spring REST
- Experience in Spring Reactive
- Experience in Git, Gradle / Maven
- Practitioner of clean code and SOLID principles
- Able to test drive features
- Can debug code at ease and ensure quality code is produced
- Knowledge of design patterns
- Comfortable with agile practices, user stories and task breakdown
- Understands REST principles and Micro services
- Experienced with technologies such as
- Required Java, Spring Boot
- Good to have Maven, GIT, Swagger, PCF, Rabbit MQ
- Good API skills technology such as Rest Webservice
- Good foundation in data structures, algorithms and OO Design with rock solid programming skills
- Experienced on creating unit test using JUnit, Mockito or PowerMock
- Experienced on mark up language such as JSON and YML
- Experienced on using Quality and Security scan tools such as Sonar, Fortify and WebInspect
- Experienced on agile methodology

Loyalty Juggernaut, Inc. (LJI) is a next-generation loyalty and customer engagement solutions enterprise, helping brands re-imagine their loyalty initiatives in #theageofdigitalconsumer.

Headquartered in the Silicon Valley with R & D and Professional Services presence in Hyderabad, India and Distribution offices globally. LJI is founded by customer relationship management experts with decades of experience in delivering world-class technology innovations in CRM, Loyalty, AdTech and consulting for leading global brands across industries. 

LJI delivers GRAVTY – transformational digital platform for loyalty and customer engagement built on Big Data, Micro-services based, Serverless Architecture, AI/ML delivered on the Cloud to help brands execute innovative strategies aimed at attracting, acquiring, rewarding, recognizing, engaging, and leveraging customers in order to maximize revenue, profitability and customer lifetime value.

Visit us at http://www.lji.io/">www.lji.io

LJI is inviting applications for the position of Product Engineer in our R&D Team

YOUR RESPONSIBILITIES 

As a Product Engineer in R&D team, you will  be responsible for end-end Software development life-cycle involving Technical design, implementation, deployment, and support. You will 

• Work actively with Product Specialists, Business Analysts and other stakeholders on the development of cutting-edge product features
• Partner with Customer Success teams to review and implement business requirements
• Build high-quality innovative and reusable code - design and implement new features in cooperation with the enterprise architect
• Conduct software analysis, programming, testing and debugging
• Ensure designs are in compliance with specifications
• Identify production and non-production application issues and support them

OUR TECH STACK

• Java(SpringBoot)
• Python(Django)
• PostgreSQL
• REST, WebServices
• Angular, Javascript, HTML
• Jenkins, Maven, Git, Ansible
• AWS

YOUR PROFILE

1. B.Tech or M.Tech in CSE/IT OR MCA/BCA
2. Strong programming skills
3. Analytical mind and problem-solving aptitude   
4. Excellent communication skills
5. Attention to detail  

OUR OFFERING

1. Opportunity to Innovate with and Learn from a World-class technology team
2. Dabble into the future of technology - Enterprise Cloud Computing, Blockchain, Machine Learning and AI, Mobile, Digital Wallets, and much more...
3. Grow with a fast growing company with global presence and recognition