Java ReactJS

Ion Enterprise Solutions; Pune District; On-site; INR 1,000,000 - 2,000,000; Full time

Job summary

Ion Enterprise Solutions in Pune invites a Senior Tech Engineer to lead backend development with Java 17 and Spring Boot 3.x in a fast-paced, Agile environment. You will design, implement, and optimize scalable microservices and REST APIs, collaborate with frontend teams, and help shape architectural decisions.

Ideal candidates bring 5+ years in enterprise backend development, strong API design skills, and experience with CI/CD (Jenkins), Docker/Kubernetes, and cloud platforms.

Qualifications

• 5+ years of backend IT experience.
• Strong hands-on experience with Java 17 and Spring Boot 3.x.
• Experience designing REST APIs with OpenAPI/Swagger.
• CI/CD proficiency with Jenkins.
• Familiarity with microservices architecture and distributed systems.
• Agile/Scrum experience.
• Good problem solving and communication skills.

Responsibilities

• Design, develop, and maintain scalable backend applications using Java 17 and Spring Boot 3.3.
• Develop and maintain RESTful APIs and implement API documentation standards using Open API specifications.
• Build secure, reusable, and optimized microservices-based solutions.
• Implement and manage CI/CD pipelines using Jenkins.
• Collaborate with frontend teams (React good to have) to ensure seamless system integration.
• Participate in architectural discussions and contribute to system design decisions.
• Write clean, maintainable, and testable code following best coding practices and design principles.
• Perform code reviews, mentor junior developers, and ensure adherence to coding standards.
• Troubleshoot, debug, and optimize application performance.
• Work closely with QA, DevOps, and Product teams in an Agile/Scrum environment.

Skills

Java 17

Spring Boot 3.x

REST APIs

OpenAPI/Swagger

CI/CD (Jenkins)

Microservices

SQL

OOP concepts & design patterns

Agile/Scrum

React integration

Docker

Kubernetes

Cloud platforms (AWS/Azure/GCP)

Tools

Docker

Kubernetes

OpenAPI/Swagger

Job description

Senior Tech Engineer

We are looking for a highly skilled Senior Tech Engineer with strong hands‑on experience in Java-based enterprise application development. The ideal candidate should have deep expertise in Java 17, Spring Boot 3.3, and API-driven architecture. You will play a key role in designing, developing, and delivering scalable backend systems while collaborating closely with cross‑functional teams in an Agile environment.

Key Responsibilities

• Design, develop, and maintain scalable, high-performance backend applications using Java 17 and Spring Boot 3.3.
• Develop and maintain RESTful APIs and implement API documentation standards using Open API specifications.
• Build secure, reusable, and optimized microservices-based solutions.
• Implement and manage CI/CD pipelines using Jenkins.
• Collaborate with frontend teams (React good to have) to ensure seamless system integration.
• Participate in architectural discussions and contribute to system design decisions.
• Write clean, maintainable, and testable code following best coding practices and design principles.
• Perform code reviews, mentor junior developers, and ensure adherence to coding standards.
• Troubleshoot, debug, and optimize application performance.
• Work closely with QA, DevOps, and Product teams in an Agile/Scrum environment.

Required Skills & Experience

• 5+ years of relevant IT industry experience in backend development.
• Strong hands‑on experience in Java 17.
• Extensive experience with Spring Boot 3.x.
• Experience designing and implementing REST APIs with Open API/Swagger.
• Strong experience with CI/CD tools, especially Jenkins.
• Good understanding of Microservices architecture and distributed systems.
• Experience working with relational databases (SQL optional).
• Strong knowledge of OOP concepts, design patterns, and SDLC best practices.
• Experience working in Agile/Scrum teams.
• Excellent problem‑solving and communication skills.

Nice‑to‑Have

• Experience with React for frontend integration.
• Exposure to Docker/Kubernetes.
• Experience with cloud platforms (AWS/Azure/GCP).
• Knowledge of performance tuning and security best practices.

Why Join Us?

• Opportunity to work on enterprise‑grade applications.
• Collaborative and growth‑oriented environment.
• Exposure to modern architecture and DevOps practices.
• Strong career growth opportunities.