Intermediate API Developer N

Zensar Technologies; Hyderabad; On-site; INR 1,500,000 - 2,800,000; Full time

Job summary

Zensar Technologies in Hyderabad seeks a skilled Back-End Developer to design, build, and maintain scalable backend services and RESTful APIs using Java or Kotlin and Spring Boot. You will work on cloud native solutions and database integration in a collaborative, agile environment.

The role emphasizes strong testing, CI/CD with Azure DevOps, performance tuning, and architectural input, with opportunities to mentor juniors and contribute to system design discussions.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience.

Responsibilities

• Design, develop, and maintain backend services and RESTful APIs using Java or Kotlin and Spring Boot.

Skills

Java

Kotlin

Spring Boot

RESTful APIs

AWS

Azure DevOps

CI/CD

Microservices

SQL

NoSQL

Unit Testing

JUnit

Mockito

Education

Bachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience

Tools

PostgreSQL

MySQL

NoSQL Databases

AWS

Azure DevOps

JUnit

Mockito

Job description

Job Description:

Back-End Development (Java/Kotlin)

Design, develop, and maintain backend services and RESTful APIs using Java or Kotlin and Spring Boot.
Implement clean, maintainable, and testable code following best engineering practices.

Cloud Hosting (AWS)

Build and deploy microservices to AWS, leveraging services such as EC2, ECS/Fargate, Lambda, S3, RDS/DynamoDB, CloudWatch, and IAM.
Ensure applications are secure, scalable, and optimized for cloud native environments.

DevOps & CI/CD (Azure DevOps)

Work with Azure DevOps (ADO) to manage repositories, pipelines, and release processes.
Contribute to automated build, test, and deployment workflows.

System Architecture & Design

Participate in solution design discussions, supporting architectural decisions to ensure high quality, scalable services.
Collaborate with senior engineers on systems design, integrations, and improvements.

Database Development

Develop efficient database schemas and queries using SQL (PostgreSQL/MySQL) or NoSQL datastores.
Optimize data performance and ensure consistency across distributed systems.

API & Integration Development

Build and integrate APIs with internal and third party systems.
Ensure integrations follow security, reliability, and performance standards.

Testing & Quality

Write unit, integration, and component tests (JUnit, Mockito, etc.).
Support debugging activities, performance tuning, and code reviews.

Collaboration & Delivery

Work within cross functional agile teams, contributing to sprint ceremonies and delivery commitments.
Collaborate closely with product, QA, DevOps, and front end teams.
Provide guidance to junior developers when needed and participate in knowledge sharing activities.

Required experience & Qualification/s

Bachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience.
5 years + of experience in backend development using Java or Kotlin.
Strong experience with Spring Boot, including modules such as Spring Data, Spring Web, and Spring Security.
Experience building and consuming RESTful APIs.
Solid understanding of relational or NoSQL databases.
Hands‑on experience deploying applications to AWS cloud environments.
Familiarity with CI/CD pipelines and repository management (preferably Azure DevOps).
Good understanding of microservices architecture and distributed systems.
Strong problem‑solving abilities and attention to code quality.
Excellent communication and teamwork skills.
Ability and willingness to stay current with new tools, patterns, and technologies.