Senior Backend Java Developer | AppZime Technologies | Mohali, India

Tech Junction Ltd; Mohali; On-site; INR 1,400,000 - 2,100,000; Full time

Job summary

AppZime Technologies in Mohali, India, seeks a Senior Backend Java Developer for a contract engagement on-site from 7:00 AM to 3:00 PM IST. You will architect, build, optimize, and maintain Java-based microservices and secure RESTful APIs, leveraging Spring Boot, Hibernate, and Kafka to enable scalable, high‑throughput enterprise applications.

You will manage containerized deployments with Docker, Kubernetes, and Helm, implement JWT/OAuth2 security, write unit tests with JUnit 5 and Mockito, and

Qualifications

• Bachelor’s degree in CS/IT/SE or related field.
• 5+ years of backend software development experience in Java.
• Strong Java, Spring Boot, Spring Cloud, and microservices experience.
• Kafka, MySQL, REST APIs proficiency.
• Containers and orchestration with Docker, Kubernetes, Helm.
• Security: JWT, OAuth2; Firebase Cloud Messaging.
• Testing/automation with JUnit 5, Mockito; CI/CD with Jenkins & GitLab.
• Willingness to work onsite in Mohali (7:00–15:00 IST).

Responsibilities

• Architect, design, develop, test, and maintain microservices using Java/Spring Boot.
• Build Kafka-based event pipelines and asynchronous streaming.
• Design secure RESTful APIs and MySQL schemas; integrate with systems.
• Deploy containerized microservices with Docker/Kubernetes/Helm.
• Implement JWT/OAuth2 and FCM integrations; ensure security.
• Write unit/integration tests with JUnit 5 and Mockito.
• Manage CI/CD pipelines with Jenkins and GitLab CI.
• Provide production support and troubleshoot onsite in Mohali.

Skills

Java backend engineering

Spring Boot

Spring Cloud

Microservices design

Apache Kafka

MySQL

REST APIs

Docker

Kubernetes

Helm

JWT

OAuth2

Firebase Cloud Messaging

JUnit 5

Mockito

Jenkins

GitLab CI/CD

Education

Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or related

Tools

Docker

Kubernetes

Helm

MySQL

Prometheus

Grafana

HashiCorp Vault

Jira

Job description

Position Summary:

Driving advanced backend engineering, microservices architecture, and scalable enterprise applications in Mohali, India, AppZime Technologies is actively seeking an accomplished Senior Backend Java Developer for a contract professional engagement with work-from-office arrangements. In this vital technical role, you will architect, build, optimize, and maintain robust Java-based microservices, event-driven pipelines with Apache Kafka, and secure RESTful APIs operating on a 7:00 AM - 3:00 PM IST schedule. Bringing 5+ years of progressive professional software development experience, you will empower our client’s digital platforms to achieve uncompromised system resilience, high throughput, and seamless operational uptime. This prestigious career opportunity offers competitive remuneration, high technical visibility, and professional growth within a premier global software solutions and IT services enterprise.

Detailed Job Description:

As a Senior Backend Java Developer supporting AppZime Technologies in Mohali, India, you will take full operational, tactical, and technical ownership of microservices ownership, production troubleshooting, and backend solution engineering. Your day-to-day responsibilities include developing secure Java, Spring Boot, and Hibernate applications, managing containerized deployments utilizing Docker, Kubernetes, and Helm, configuring JWT and OAuth2 authentication, and collaborating directly with cross-functional engineering squads. You will operate in a collaborative onsite enterprise environment while partnering closely with global technology leaders and HR executives like Shivani Singh.

Key Responsibilities:

• Architect, design, develop, test, and maintain robust enterprise microservices utilizing Java, Spring Boot, and related backend technologies.
• Build and optimize high-throughput event-driven messaging pipelines and asynchronous streaming architectures utilizing Apache Kafka.
• Design, secure, and maintain scalable RESTful APIs, database schemas in MySQL, and high-performance system integrations.
• Deploy, configure, and manage containerized microservices infrastructure utilizing Docker, Kubernetes, and Helm charting.
• Implement rigorous security mechanisms including JWT, OAuth2, and Firebase Cloud Messaging (FCM) push notification integrations.
• Author comprehensive unit tests, integration test suites, and automated verification scripts utilizing JUnit 5 and Mockito.
• Oversee continuous integration and continuous deployment (CI/CD) pipelines utilizing Jenkins and GitLab CI for rapid releases.
• Provide expert production support, troubleshoot system bottlenecks, diagnose operational anomalies, and resolve issues promptly.

Required Qualifications & Skills:

• Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or related technical discipline.
• Minimum of 5+ years of progressive professional hands-on software development experience specializing in Java backend engineering.
• Strong, demonstrable operational expertise in Java, Spring Boot, Spring Cloud, and microservices design patterns.
• Comprehensive working knowledge and practical proficiency in Apache Kafka event streaming, MySQL database design, and REST APIs.
• Deep practical experience with containerization and orchestration platforms including Docker, Kubernetes, and Helm.
• Solid practical grasp of security protocols (JWT, OAuth2), mobile notification services (Firebase/FCM), and system integrations.
• Exceptional testing and automation skills utilizing JUnit 5, Mockito, Jenkins, and GitLab CI/CD pipelines.
• Mandatory legal work authorization and physical availability for onsite professional operations in Mohali, India (7:00 AM - 3:00 PM IST).

Nice‑to‑Have Skills:

• Prior professional working experience or domain expertise within the telecommunications industry.
• Hands‑on familiarity with enterprise secret management platforms such as HashiCorp Vault.
• Practical experience configuring and monitoring infrastructure metrics utilizing Prometheus and Grafana dashboards.
• Experience utilizing enterprise IT service management (ITSM) ticketing platforms (ServiceNow, Jira) for incident management.
• Exposure to cloud platforms (AWS, Azure, GCP) and infrastructure-as-code automation.

Application Information:

• Salary/Rate: Market Competitive / Enterprise Contract Package
• Deadline: Open until filled (Urgent Mohali Backend Java Opening)
• Notice Period: Immediate to 30 Days Preferred
• Contract Duration: Contract Engagement (Mohali, India / Work from Office / 7:00 AM - 3:00 PM IST)
• Company Website: https://www.appzime.com