



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
- B.Tech or M.Tech in CSE/IT OR MCA/BCA
- Strong programming skills
- Analytical mind and problem-solving aptitude
- Excellent communication skills
- Attention to detail
OUR OFFERING
- Opportunity to Innovate with and Learn from a World-class technology team
- Dabble into the future of technology - Enterprise Cloud Computing, Blockchain, Machine Learning and AI, Mobile, Digital Wallets, and much more...
- Grow with a fast growing company with global presence and recognition

About Loyalty Juggernaut Inc
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Job Title : Java Backend Developer
Experience : 3 to 6 Years
Locations : Bangalore / Gurgaon (Hybrid – 3 Days Work From Office)
Shift Timings : 11:00 AM – 8:00 PM IST
Notice Period : Immediate to 15 Days Only
Job Description :
We are looking for experienced Java Backend Developers with strong expertise in building scalable microservices-based architectures. The ideal candidate should have hands-on experience with Spring Boot, containerized deployments, and DevOps tools.
✅ Must-Have Skills :
- Java – Strong programming skills in core Java.
- Spring Boot (2.x / 3.x) – Deep understanding of microservices architecture and patterns.
- Microservices – Design and implementation experience.
- Kubernetes – Experience deploying and managing microservices
- Jenkins & Maven – Build and CI/CD pipeline experience
- PostgreSQL – Experience with relational database management
✨ Good-to-Have Skills :
- Git – Source control management
- CI/CD Pipeline Tools – End-to-end pipeline automation
- Cloud & DevOps Knowledge – Experience with cloud-based deployments
Minimum 3+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object-Oriented Concepts and Data Structures
· Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.
Role and Responsibilities |
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Required Skills |
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Job Responsibilities
Design and build from cloud-based products and services with massive scale and reliability Write clean and modular code primarily in Python to create multi tenant microservices Terabyte scale data per month with SLA end to end latency and tenant fairness
Build CICD based software development model with end-to-end ownership of code delivery - starting from design/architecture, coding, automated functional/integration testing and operating/monitoring the service in production.
Use relevant technologies and cloud services like Kafka, Redis, Mongo, RDS, Spark Streaming, Redshift, Airflow to build highly performant and scalable distributed systems
Design and develop data schema and access layer to optimally store and retrieve data
Stay up to date with the latest developments in cloud computing and incorporate relevant learnings to both product features and product architecture.
Preferred Qualifications
BS/Btech (Btech Preferred) in Computer Science, Computer Engineering, Information Technology
Preferred Technical Skills:
2- 6 years of software development experience with enterprise-grade software. Must have experience in building scalable, high-performance cloud services Expert coding skills in Python, Django
In Depth experience in AWS is mandatory
Expertise in building scalable event based asynchronous systems based on the microservices architecture
Experience working with docker and kubernetes
Experience with databases such as MongoDB, Redis, RDS, RDF, Graph DB, SPARQL etc. Experience with messaging technologies such as Kafka, Pulsar, SQS
Must have expertise in building REST APIs
Strong object-oriented designing and programming experience Experience in cloud object stores: S3, Cloud Storage, Blobs, etc. Desired Technical Skills:
Open source committer in related areas like cloud technologies, kubernetes, database etc Additional Skills
Great written and verbal communication
Ability to work geo distributed cross functional group
- B.E/ B.Tech / MCA in computer science or a related field
- 6+ Years of Java/J2EE work experience.
- Minimum 6 months in Team Lead position.
- Object-Oriented design, patterns, algorithms, data structures
- Well knowledge about Spring Hibernate framework.
- Exposure to React JS / Angular JS.
- Experience with SQL/No-SQL database technologies – MySQL, Mongo dB, Cassandra, Redis, PostgreSQL, etc.
- Good working experience in OpenStack/AWS & cloud application development and deployment
- Experience in Web services (REST or SOAP)
- End to end web development experience is highly preferred
- Good understanding of unit testing methodologies.
- Good analytical and communication skills
- Startup work culture mindset.
EXPERIENCE: 7 to 9 years in Java 2 Enterprise server side development. Must have applied knowledge of design patterns needed for building REST APIs and services for performance and scale.
SKILLS:
- Problem Solving and application of Object Oriented principles to development
- REST API development using Java, JAX-RPC,
- Server side development using Java, Spring Boot, Node.js
- Concurrent programming with Java
- Database programming in SQL with Oracle, MySQL or other RDBMs.
- Deployment to AWS and Kubernetes and building with Maven
- Affinity towards server side development
- Ability to understand existing code and re-engineer/re-factor/redesign.
- Written and spoken English communication and articulation.
NICE TO HAVE:
- Working knowledge of GO Lang and Python scripting
- AWS Certifications
- Working knowledge of Elastic Search based persistence and search
- Secure coding practices
EDUCATION: Bachelor or Master's degree in Computer Science, Software Engineering or Information Technology or related disciplines.


✔ Defining the over all architecture and choose the best stack, components, and
subsystems for search & storage infrastructure
✔ Design & build user-friendly APIs for accessing the backend infrastructure
✔ Active mentoring on engineering best practices, reducing technical debt and
designing scale ready solutions.
✔ Proactively identify architectural gaps and enhancements and recommending
appropriate solutions.
✔ Work closely with the product and customer teams to effectively drive innovative
solutions and drive adoption of features.
Requirements
✔ Experience level 4+ years.
✔ A bachelor's or master’s degree in Computer Science/Software Engineering
✔ Production experience with a scalable search engine or building storage
infrastructure for scaled out consumer companies.

We are looking for highly motivated engineers with the following skillset-
- Engineering degree in Computer science or ECE or MCA is a must
- In-depth knowledge of PHP, HTML5, CSS, jQuery, JavaScript, AJAX
- Experience using PHP frameworks such as Laravel, Symfony, Zend, etc. - any 1 is required
- VueJS, AngularJS, ReactJS - knowledge of any 1 is required
- Between 1-5 years of work experience is required
- Very strong data structure and algorithm knowledge
- Ideal candidate would be a very strong developer with great coding skills
- Good English communication skills
- Willingness to work on multiple projects simultaneously
- Ability to work through ambiguous requirements and come up with a clear scope and problem statement
- If you have any live projects portfolio or GitHub handle please share them
- Office is in Fairlie place (Dalhousie), Kolkata 700 001



