Senior Java Developer

• Develop, enhance, and maintain Java-based applications using Spring Boot and related frameworks.
• Design, implement, and optimize Microservices with RESTful APIs.
• Build and manage Spring Batch jobs, including scheduling, chunk processing, partitioning, and error handling.
• Apply object-oriented design (OOD) and GoF design patterns (Factory, Singleton, Strategy, Observer, etc.).
• Write clean, maintainable, and scalable code following best coding standards.
• Integrate applications with databases (SQL/NoSQL) and messaging systems (Kafka/RabbitMQ).
• Participate in code reviews, technical discussions, and architectural decisions.
• Troubleshoot production issues and ensure application performance, scalability, and reliability.
• Work in an Agile/Scrum environment and collaborate with cross-functional teams.

Technical Skills Required

• ** Core Java 8+**, OOP, Collections, Multithreading
• ** Spring Boot**, Spring MVC, Spring Data JPA
• ** Spring Batch** (Job/Step configuration, Tasklets, Readers/Writers, partitioning)
• ** Microservices** (REST, API Gateway, service discovery, resilience patterns)
• ** Design Patterns** (Factory, Singleton, Adapter, Strategy, Builder, Observer, etc.)
• ** Databases:** MySQL/PostgreSQL/Oracle, MongoDB (optional)
• ** Messaging:** Kafka / RabbitMQ (preferred)
• ** Build tools:** Maven/Gradle
• ** CI/CD:** Jenkins, GitLab CI, or similar
• ** Cloud:** AWS / Azure / GCP (optional but preferred)
• ** Testing:** JUnit, Mockito

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.

• Degree in Computer Science (BS/MS), related technical field or equivalent practical experience
• 8+ years of industry experience in product development
• Experience in coaching and mentoring team members
• Must own a specific component of the product. Gathering requirements by working with product management. Working closely with development managers in defining external product interfaces
• Must have excellent written and verbal communication skills. Must articulate various design approaches and design decisions clearly - within the team and across the teams.
• Must work with QA engineers to devise proper test constructs - unit testing and integration tests.

Job Responsibilities:

* Design, build, and maintain efficient, reusable, and reliable Java code

* Ensure the best possible performance, quality, and responsiveness of the applications

* Identify bottlenecks and bugs, and devise solutions to these problems

* Help maintain code quality, organization, and automatization

* Prepare the technical design of complex technology components

Mandatory Skills:

* Proficient in Java (JDK 1.7) or above JDK 8 preferable, with a good knowledge of its ecosystems with a knack for writing clean, readable Java code, writing reusable Java libraries along with knowledge of concurrency patterns in Java

* Solid understanding of object-oriented programming along with various design and architectural patterns

* Hands on experience with Spring, Spring Boot, JUnit

* Familiarity with concepts of MVC, Microservices, RESTful

JOB SUMMARY

     THE ROLE IN SUMMARY

Omnicom Media Group (OMG) has an immediate opening for a highly motivated and talented backend web application developer, specializing in AWS cloud technologies. In this position you will be joining an in-house development team whose primary responsibility is developing new features and functionality for multiple existing web applications and day to day troubleshooting and issue resolution. The ideal candidate will possess excellent critical thinking and troubleshooting skills and have proven experience using popular AWS services commonly used to build serverless web application architectures. Candidates are expected to have strong knowledge of AWS API Gateway, Lambda, DynamoDB and Python programming. Familiarity with Cloud infrastructure as code frameworks, such as Serverless Framework, Terraform or CloudFormation, etc. is also required. Excellent English communication skills are a must as you will be a part of a team working alongside our primary development team in addition to several business analysis and project managers. 5+ years of prior backend and Cloud web application and software development experience required.

KEY WORKING PRINCIPLES

• Passionate about modern web application architecture and programming. Hands on backend developer.
• Prior experience with modern RESTful API design and implementation. Microservices and single page web applications.
• Strong AWS knowledge, specifically serverless technologies (S3, API Gateway, Lambda, IAM, DynamoDB) as they relate to web application development.
• Excellent knowledge of web application security fundamentals (identity management, authentication, authorization, SSO).
• Designed several application databases in SQL and at least one non-relational database system, preferably
• Familiarity with DevOps practices including continuous integration and deployment, infrastructure as code in preferably Serverless Framework.
• Excellent verbal and written communication skills.
• 5+ years professional software development experience.
• Bachler’s degree in computer science or related field.

MUST HAVE SKILLS

• Backend Web Application Development
• Python
• AWS Services Including, CloudFront, S3, API Gateway, Lambda, Step Functions, SES, DynamoDB, Serverless Framework
• AWS Identity and Access Management principles (IAM)
• SQL (MS SQL Server, PostgreSQL, AWS Aurora or comparable)
• GIT, JIRA, Agile / Scrum

NICE TO HAVE SKILLS

• AWS Cognito