Java Developer

JOB DETAILS:

* Job Title: Lead I - Software Engineering-Kotlin, Java, Spring Boot, Aws

* Industry: Global digital transformation solutions provide

* Salary: Best in Industry

* Experience: 5 -7 years

* Location: Trivandrum, Thiruvananthapuram

Role Proficiency:

Act creatively to develop applications and select appropriate technical options optimizing application development maintenance and performance by employing design patterns and reusing proven solutions account for others' developmental activities

Skill Examples:

1. Explain and communicate the design / development to the customer
2. Perform and evaluate test results against product specifications
3. Break down complex problems into logical components
4. Develop user interfaces business software components
5. Use data models
6. Estimate time and effort required for developing / debugging features / components
7. Perform and evaluate test in the customer or target environment
8. Make quick decisions on technical/project related challenges
9. Manage a Team mentor and handle people related issues in team
10.  Maintain high motivation levels and positive dynamics in the team.
11.  Interface with other teams’ designers and other parallel practices
12.  Set goals for self and team. Provide feedback to team members
13.  Create and articulate impactful technical presentations
14.  Follow high level of business etiquette in emails and other business communication
15.  Drive conference calls with customers addressing customer questions
16.   Proactively ask for and offer help
17.  Ability to work under pressure determine dependencies risks facilitate planning; handling multiple tasks.
18.  Build confidence with customers by meeting the deliverables on time with quality.
19.  Estimate time and effort resources required for developing / debugging features / components
20.  Make on appropriate utilization of Software / Hardware’s.
21.  Strong analytical and problem-solving abilities

Knowledge Examples:

•     Appropriate software programs / modules

1. Functional and technical designing
2. Programming languages – proficient in multiple skill clusters
3. DBMS
4. Operating Systems and software platforms
5. Software Development Life Cycle
6. Agile – Scrum or Kanban Methods
7. Integrated development environment (IDE)
8. Rapid application development (RAD)
9. Modelling technology and languages
10. Interface definition languages (IDL)
11. Knowledge of customer domain and deep understanding of sub domain where problem is solved

Additional Comments:

We are seeking an experienced Senior Backend Engineer with strong expertise in Kotlin and Java to join our dynamic engineering team.

The ideal candidate will have a deep understanding of backend frameworks, cloud technologies, and scalable microservices architectures, with a passion for clean code, resilience, and system observability.

You will play a critical role in designing, developing, and maintaining core backend services that power our high-availability e-commerce and promotion platforms.

Key Responsibilities

Design, develop, and maintain backend services using Kotlin (JVM, Coroutines, Serialization) and Java.

Build robust microservices with Spring Boot and related Spring ecosystem components (Spring Cloud, Spring Security, Spring Kafka, Spring Data).

Implement efficient serialization/deserialization using Jackson and Kotlin Serialization. Develop, maintain, and execute automated tests using JUnit 5, Mockk, and ArchUnit to ensure code quality.

Work with Kafka Streams (Avro), Oracle SQL (JDBC, JPA), DynamoDB, and Redis for data storage and caching needs. Deploy and manage services in AWS environment leveraging DynamoDB, Lambdas, and IAM.

Implement CI/CD pipelines with GitLab CI to automate build, test, and deployment processes.

Containerize applications using Docker and integrate monitoring using Datadog for tracing, metrics, and dashboards.

Define and maintain infrastructure as code using Terraform for services including GitLab, Datadog, Kafka, and Optimizely.

Develop and maintain RESTful APIs with OpenAPI (Swagger) and JSON API standards.

Apply resilience patterns using Resilience4j to build fault-tolerant systems.

Adhere to architectural and design principles such as Domain-Driven Design (DDD), Object-Oriented Programming (OOP), and Contract Testing (Pact).

Collaborate with cross-functional teams in an Agile Scrum environment to deliver high-quality features.

Utilize feature flagging tools like Optimizely to enable controlled rollouts.

Mandatory Skills & Technologies Languages:

Kotlin (JVM, Coroutines, Serialization),

Java Frameworks: Spring Boot (Spring Cloud, Spring Security, Spring Kafka, Spring Data)

Serialization: Jackson, Kotlin Serialization

Testing: JUnit 5, Mockk, ArchUnit

Data: Kafka (Avro) Streams Oracle SQL (JDBC, JPA) DynamoDB (NoSQL) Redis (Caching)

Cloud: AWS (DynamoDB, Lambda, IAM)

CI/CD: GitLab CI Containers: Docker

Monitoring & Observability: Datadog (Tracing, Metrics, Dashboards, Monitors)

Infrastructure as Code: Terraform (GitLab, Datadog, Kafka, Optimizely)

API: OpenAPI (Swagger), REST API, JSON API

Resilience: Resilience4j

Architecture & Practices: Domain-Driven Design (DDD) Object-Oriented Programming (OOP) Contract Testing (Pact) Feature Flags (Optimizely)

Platforms: E-Commerce Platform (CommerceTools), Promotion Engine (Talon.One)

Methodologies: Scrum, Agile

Skills: Kotlin, Java, Spring Boot, Aws

Must-Haves

Kotlin (JVM, Coroutines, Serialization), Java, Spring Boot (Spring Cloud, Spring Security, Spring Kafka, Spring Data), AWS (DynamoDB, Lambda, IAM), Microservices Architecture

******

Notice period - 0 to 15 days only

Job stability is mandatory

Location: Trivandrum

Virtual Weekend Interview on 7th Feb 2026 - Saturday

Job Description

      The ideal candidate will possess expertise in Core Java (at least Java 8), Spring framework, JDBC, threading, database management, and cloud platforms such as Azure and GCP. The candidate should also have strong debugging skills, the ability to understand multi-service flow, experience with large data processing, and excellent problem-solving abilities.

JD:

1. Develop, and maintain Java applications using Core Java, Spring framework, JDBC, and threading concepts.
2. Strong understanding of the Spring framework and its various modules.
3. Experience with JDBC for database connectivity and manipulation
4. Utilize database management systems to store and retrieve data efficiently.
5. Proficiency in Core Java8 and thorough understanding of threading concepts and concurrent programming.
6. Experience in in working with relational and nosql databases.
7. Basic understanding of cloud platforms such as Azure and GCP and gain experience on DevOps practices is added advantage.
8. Knowledge of containerization technologies (e.g., Docker, Kubernetes)
9. Perform debugging and troubleshooting of applications using log analysis techniques.
10. Understand multi-service flow and integration between components.
11. Handle large-scale data processing tasks efficiently and effectively.
12. Hands on experience using Spark is an added advantage.
13. Good problem-solving and analytical abilities.
14. Collaborate with cross-functional teams to identify and solve complex technical problems.
15. Knowledge of Agile methodologies such as Scrum or Kanban
16. Stay updated with the latest technologies and industry trends to improve development processes continuously and methodologies.

• Strong experience in Core Java, Multi-Threading, data structures (List/Map/Set) and unit testing with (Junit, Mockito)
• Strong experience with Spring Framework (Spring MVC, Spring REST, Spring Data), ORM frameworks (JPA, Hibernate) and RDBMS (Oracle/MySQL/Postgres)
• Strong experience in applying Object-Oriented design principles and Design Patterns
• Good knowledge of Multi-Tier architecture, Micro Services architecture and Service Oriented Architecture 
• Exposure to AWS Cloud, NoSQL Database (Mongo, Cassandra), Message Broker (Active
• MQ/RabbitMQ/Apache Kafka) and Big Data Technologies (Hadoop/Hive/Spark)
• Additionally, must possess capability to review code, produce technical specification document
• and knowledge of code quality tools (PMD/FindBugs/Sonar)

JioTesseract, a digital arm of Reliance Industries, is India's leading and largest AR/VR organization with the mission to democratize mixed reality for India and the world. We make products at the cross of hardware, software, content and services with focus on making India the leader in spatial computing. We specialize in creating solutions in AR, VR and AI, with some of our notable products such as JioGlass, JioDive, 360 Streaming, Metaverse, AR/VR headsets for consumers and enterprise space.

About the Job

As a Cloud Backend Engineer you will design, develop, and maintain scalable and reliable backend systems in cloud environments. You will be responsible for building cloud-native applications, optimizing backend performance, and ensuring seamless integration with frontend services and third-party systems.

What You’ll Be Doing

• Backend Development
• Design and implement scalable and high-performance backend services and APIs for cloud-based applications.
• Develop microservices architectures and serverless functions to support business needs.
• Ensure backend systems are secure, reliable, and performant, adhering to best practices and industry standards.
• Cloud Infrastructure and Deployment
• Build and manage cloud infrastructure using platforms such as AWS, Google Cloud Platform (GCP), or Azure.
• Deploy and maintain backend services using cloud-native technologies (e.g., Kubernetes, Docker, AWS Lambda, Google Cloud Functions).
• Implement and manage CI/CD pipelines to automate deployment processes and ensure smooth delivery of updates.
• Performance Optimization
• Monitor and optimize the performance of backend services, including database queries, API responses, and system throughput.
• Implement caching strategies, load balancing, and other performance-enhancing techniques to ensure scalability and responsiveness.
• Troubleshoot and resolve performance issues and system bottlenecks.
• Database Management
• Design and manage relational and NoSQL databases, ensuring data integrity, scalability, and performance.
• Implement data access patterns and optimize queries for efficient data retrieval and storage.
• Ensure backup, recovery, and data security practices are in place.
• Integration and Collaboration
• Collaborate with frontend developers, DevOps engineers, and other stakeholders to integrate backend services with frontend applications and third-party systems.
• Participate in architectural discussions and provide input on system design and technology choices.
• Ensure clear communication and documentation of backend services, APIs, and system interactions.
• Security and Compliance
• Implement security best practices to protect backend services from threats and vulnerabilities.
• Ensure compliance with relevant regulations and standards, including data privacy and protection requirements.
• Conduct regular security assessments and vulnerability scans to maintain system integrity.
• Testing and Quality Assurance
• Develop and maintain automated tests for backend services, including unit tests, integration tests, and end-to-end tests.
• Perform code reviews and participate in quality assurance processes to ensure high code quality and reliability.
• Monitor and address issues identified during testing and production deployments.
• Documentation and Knowledge Sharing
• Document backend services, APIs, and infrastructure setups to facilitate knowledge sharing and support.
• Create and maintain technical documentation, including architecture diagrams, API specifications, and deployment guides.
• Share knowledge and best practices with team members and contribute to a collaborative development environment.

What We Need To See

• Strong experience in backend development, cloud technologies, and distributed systems, with a focus on building robust, high-performance solutions.
• Minimum 5 years of experience in backend development, with a strong focus on cloud-based applications.
• Proven experience with cloud platforms (AWS, GCP, Azure) and cloud-native technologies.
• Experience in designing and implementing RESTful APIs, microservices, and serverless architectures.
• Technical Expertise in:

1. Backend Development

• Strong experience with backend programming languages such as Node.js, Python
• Expertise in working with frameworks such as NestJS, Express.js, or Django.

2. Microservices Architecture

• Experience designing and implementing microservices architectures.
• Knowledge of service discovery, API gateways, and distributed tracing.

3. API Development

• Proficiency in designing, building, and maintaining RESTful and GraphQL APIs.
• Experience with API security, rate limiting, and authentication mechanisms (e.g., JWT, OAuth).

4. Database Management

• Strong knowledge of relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g. MongoDB).
• Experience in database schema design, optimization, and management. 

5. Cloud Services

• Hands-on experience with cloud platforms such as Azure,AWS or Google Cloud.

6. Performance Optimization

• Experience with performance tuning and optimization of backend services.

7. Security

• Understanding of security best practices and experience implementing secure coding practices.
• Soft Skills:
• Strong problem-solving skills and attention to detail.
• Excellent communication and collaboration skills, with the ability to work effectively in a team environment.
• Ability to manage multiple priorities and work in a fast-paced, dynamic environment.

Responsibilities-

• Writing back-end code & front –end code and building efficient Java modules
• Contribute in all phases of the development lifecycle, Write well designed, testable, Design, build, and maintain efficient, reusable, and reliable Java code code
• Help maintain code quality, organization, and automatization
• Ensure designs are in compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
• Translate application storyboards and use cases into functional applications
• Ensure the best possible performance, quality, and responsiveness of the applications
• Identify bottlenecks and bugs, and devise solutions to these problems
• Align with organizational security protocols and data protection requirements and
• Implement the required feature
• Participate in all phases of the SDLC

Skills and Experience-

• BS/MS Degree in Computer Science, Engineering or a related subject
• 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 (Class loading, Memory Management, Transaction management, etc.)
• excellent knowledge of Relational Databases, SQL, and ORM technologies (JPA2, Hibernate)
• Experience in the Spring Framework
• Hands-on experience in designing and developing applications using JavaScript, j Query, and AJAX.
• Ensure that the APIs and services are adequate to support the application
• Profound insight of Java and JEE internals (Class loading, Memory Management, Transaction management etc.)
• Excellent knowledge of Relational Databases, SQL, and ORM technologies (JPA2, Hibernate)
• Experience with test-driven development

• excellent written and verbal communication skills Ability to quickly adapt and learn new technologies.
• Collaborate with other parts of the technology team, including product, QA, etc. to deliver a solid product.

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.

Key roles:

·       Develop backend application with clean code practices foe the application

·       Collaborate with frontend developers to integrate user-facing elements with server side logic

·       Troubleshoot and debug application

·       Gather and address technical and design requirements

·       Build reusable code and libraries for future user-facing

·       Communicate with other third-party team for collaborations

Skillset:

·       Core Java - Hands on experience with Jdk 11 and above

·       Experience with code hosting and collaboration tools like Bitbucket/Github/GitLab

·       Microservice architecture - Rest API calls, inter-service exception handling

·       Non-relational DB - MongoDB basic DB commands to insert, update, delete, find records and Indexing

·       Springboot framework - Spring Data JPA, ORM

·       Event driven architecture - Kafka

·       Tools like Postman, Jenkins, Doppler, IDE, MongoDB atlas

Qualifications:

·       UG: B.Tech/B.E. in Any Specialization, B.Sc in Any Specialization, BCA in Any Specialization

·       PG: Any Postgraduate

JAVA, JSP, jQuery, Servlet, Hibernate, Spring MVC, Spring boot, SOAP and REST Web Services, Microservices, knowledge of SQL query, build tool like Ant and Maven, very good analytical and logical skills.

Good to have: Redis and Memcached cache management, JBOSS 7 and above, API gateway, Apache, EJB

About the role:

As a product engineer I/II, you will be responsible for continuous improvement of Cashfree experience for all our customers and end- users. You will dream big but identify and take small steps towards achieving that goal. You will receive great feedbacks at every step of the development cycle from your peers to our customers and end- users.

You may be working on architecting the money disbursement flow or creating most- friendly interface for consumer payment. All our engineers identify as generalist and building products that are useful and delightful are core to our engineering culture.

You're more than a coder. You wil be part of entire product process, from conceptualizing till post- launch evaluation. You should have deep empathy for the users to minimize the gap between what we build and what they need. Have sound judgement to balance between code writing speed and it's maintainability. Knowledge of variety of server- side/ frontend frameworks is desirable but not compulsory