11+ WAS Jobs in Delhi, NCR and Gurgaon | WAS Job openings in Delhi, NCR and Gurgaon

Job Title : Senior Java Developer

Experience : 5 to 12 Years

Shift Timing : 01:00 PM – 10:00 PM

Domain : Clinical Research

Location : Noida, Gurugram & Pune

Work Mode : Hybrid

Job Summary :

We are seeking an experienced Senior Java Developer to join the software team of a leading Clinical Research organization.

The role involves application development and feature enhancement for enterprise products, ensuring high performance, scalability, and code quality.

Mandatory Skills :

Java 8+, Hibernate, Oracle Database, PostgreSQL, JAX-RS (RestEasy), Jackson, REST APIs, JSP, React.js, GitHub, GitHub Actions, SonarQube, SonarLint, and basic AWS services (IAM, SNS, SQS, S3, CloudWatch).

Key Responsibilities :

• Develop and enhance enterprise applications using Java technologies.
• Design and implement RESTful APIs and integrate backend services.
• Write and optimize SQL queries for Oracle and PostgreSQL databases.
• Build and maintain UI components using JSP and React.js.
• Manage source code and CI/CD pipelines using GitHub and GitHub Actions.
• Ensure code quality and maintainability using SonarQube and SonarLint.
• Work with AWS services to support application deployment and monitoring.
• Collaborate with cross-functional teams to deliver high-quality solutions.

Required Skills :

• Strong experience with Java 8 or above and Hibernate framework.
• Hands-on experience with Oracle Database and PostgreSQL, including advanced query writing.
• Proficiency in JAX-RS (RestEasy) and Jackson for REST API and JSON processing.
• Experience in developing web applications using JSP.
• Knowledge of React.js for frontend development.
• Experience with GitHub and GitHub Actions for version control and CI/CD.
• Familiarity with SonarQube and SonarLint for code quality analysis.
• Basic hands-on experience with AWS services, including IAM, SNS, SQS, S3, and CloudWatch.
• Ability to work effectively in a collaborative and fast-paced environment. 

Job Overview:

We are looking for a skilled Senior Backend Engineer to join our team. The ideal candidate will have a strong foundation in Java and Spring, with proven experience in building scalable microservices and backend systems. This role also requires familiarity with automation tools, Python development, and working knowledge of AI technologies.

Responsibilities:

• Design, develop, and maintain backend services and microservices.
• Build and integrate RESTful APIs across distributed systems.
• Ensure performance, scalability, and reliability of backend systems.
• Collaborate with cross-functional teams and participate in agile development.
• Deploy and maintain applications on AWS cloud infrastructure.
• Contribute to automation initiatives and AI/ML feature integration.
• Write clean, testable, and maintainable code following best practices.
• Participate in code reviews and technical discussions.

Required Skills:

• 4+ years of backend development experience.
• Strong proficiency in Java and Spring/Spring Boot frameworks.
• Solid understanding of microservices architecture.
• Experience with REST APIs, CI/CD, and debugging complex systems.
• Proficient in AWS services such as EC2, Lambda, S3.
• Strong analytical and problem-solving skills.
• Excellent communication in English (written and verbal).

Good to Have:

• Experience with automation tools like Workato or similar.
• Hands-on experience with Python development.
• Familiarity with AI/ML features or API integrations.
• Comfortable working with US-based teams (flexible hours).

• 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:

• 2+ 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.

·       3+ yrs of experience in product development (Preferring SaaS based)

·       Must have experience in Java web-based application development

·       Hands on development experience on Java/J2EE, Springboot, Spring, Struts, Hibernate, REST Services

·       Experience on HTML, JavaScript, JQuery

·       Hands on experience on database-writing queries/procedures

·       Experience on SVN,GIT,

·       Knowledge of Server configuration

·       Knowledge of cloud preferably AWS

• - 5+ Years working experience as Java Development
• - Hands on using Microservices
• - Extensive experience on Spring boot / spring
• Primary Skill: Java, Microservices

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• You have an overall software development experience of 4 to 10 years
• 3+ years proficiency in Java and Spring boot
• Familiar with distributed computing and frameworks such as gRPC/ protobuf
• Understands JVM metrics, Garbage collection and performance tuning
• Experience in creating high-level design(HLD) and low-level design(LLD)
• You have a good understanding of relational database, NoSQL technologies, and REST
• Good to have experience in HTML, JavaScript, GraphQL, TypeScript, ReactJS and related toolsets
• Exposure to AWS stack/cloud computing
• Self-motivated developer who takes ownership of work
• Bachelor’s degree in Computer Science or Computing related discipline
• Experience in Product Development Environment is a plus.

• Design, develop and maintain applications and features.
• work on a huge dataset of IoT data and create algorithms to extract meaningful information.
• Adding features to the existing applications for monitoring and supporting field operations.
• Implementing application testability and diagnostics and fixing bugs.
• Create/ deploy and follow CI/CD pipelines to manage deliveries