Senior Java Developer

TymblHub; India; On-site; INR 2,500,000 - 4,500,000; Full time

Job summary

TymblHub is seeking a Senior Java Developer in India to design, build, and optimize enterprise-grade Java applications and microservices. You will own RESTful API development, cloud deployments, and performance tuning across JVMs and databases.

The role requires hands-on development, production support, deployment automation, and collaboration with cross-functional teams to deliver scalable, high-performing solutions.

Qualifications

• 8-10 years of software engineering experience.
• Strong proficiency in Java 8/11/17+ and Spring Boot.
• Hands-on experience with microservices, REST APIs, and cloud.
• Experience with CI/CD pipelines, containerization, and orchestration.
• Ability to diagnose performance bottlenecks and optimize JVM, APIs, and DB queries.

Responsibilities

• Design, develop, and maintain scalable Java-based applications and microservices.
• Build and consume RESTful APIs and integrate with systems.
• Develop high-quality, maintainable code following best practices.
• Deploy applications across cloud and on-prem environments.
• Implement CI/CD pipelines and automate deployments.
• Identify and resolve performance bottlenecks and tune JVM, DB, and APIs.
• Collaborate with QA, DevOps, Product Owners, and Architects.
• Mentor junior developers and contribute to documentation.

Skills

Java

Spring Boot

Microservices

Cloud Technologies

Performance tuning

REST APIs

Kafka

SQL/NoSQL

Education

Bachelor's Degree in CS/Engineering

Tools

Docker

Kubernetes

Git

Maven

Jenkins

Terraform

OpenTelemetry

Job description

## Job Description## Job SummaryWe are seeking a highly skilled **Senior Java Developer** with 8+ years of experience in designing, developing, deploying, and optimizing enterprise-grade applications. The ideal candidate should have strong expertise in **Java**, **Spring Boot**, **Microservices**, **Cloud Technologies**, and **performance tuning**. The role requires **hands-on development**, **production support**, **deployment automation**, and collaboration with cross-functional teams to deliver **scalable** and **high-performing solutions**.## Key Responsibilities* Design, develop, and maintain scalable **Java-based applications** and **microservices**.* Build and consume **RESTful APIs** and integrate with internal and external systems.* Develop high-quality, reusable, and maintainable code following best practices.* Participate in architecture discussions and contribute to technical solution design.* Deploy applications across **cloud** and **on-premise environments**.* Implement **CI/CD pipelines** and automate deployment processes.* Identify and resolve application **performance bottlenecks**.* Conduct **performance tuning** of **APIs**, **database queries**, **JVM**, and application servers.* Troubleshoot and resolve **production issues** with minimal downtime.* Collaborate with **QA**, **DevOps**, **Product Owners**, and **Architects**.* Participate in **code reviews** and mentor junior developers.* Support **monitoring**, **logging**, and **observability** initiatives.* Prepare technical documentation and deployment runbooks.## Requirements### Required Technical Skills* 8-10 years of **software engineering*** Strong proficiency in **Java 8/11/17+*** Hands-on experience with **Spring Boot**, **Spring MVC**, **Hibernate/JPA*** Strong understanding of **Microservices** & **Mainframe Architecture*** Expertise in **REST APIs** and **API Security*** Experience with **Kafka** or other messaging solutions* Strong knowledge of **SQL** and **NoSQL databases** (**Oracle**, **PostgreSQL**, **MongoDB**, **Cassandra**)* Experience with **Git**, **Maven**, **Jenkins*** Hands-on experience in **CI/CD pipelines*** Experience with **Docker** and **Kubernetes*** **Cloud experience** on **Azure**, or **GCP*** Strong **debugging** and **troubleshooting skills**### Desired Qualifications* **Bachelor's Degree** in **Computer Science**, **Engineering**, or related field* Experience working in **Agile/Scrum environments*** Strong **communication** and **stakeholder management skills**### Deployment & DevOps Experience* Experience deploying applications in **cloud environments*** **Infrastructure as Code** exposure (**Terraform**/**CloudFormation** preferred)* **Container orchestration** using **Kubernetes*** **Monitoring** and **logging** implementation* **Production release management** and **rollback strategies**### Performance Optimization Skills* **JVM tuning** and **memory optimization*** **Thread dump** and **heap dump analysis*** **SQL query tuning** and **database performance optimization*** **API response time optimization*** **Caching strategies** (**Redis**, **Hazelcast**, etc.)* **Load and stress testing analysis*** **Observability tools** such as **Grafana**, **Prometheus**, **Splunk**, **OpenTelemetry**, **ELK**, or **Datadog*** **Application monitoring** and **performance benchmarking**### Nice to Have Skills & Experience* **Retail**, **Supply Chain**, **OMS**, or **eCommerce** experience* **GraphQL*** **OpenSearch**/**Elasticsearch*** **Event-Driven Architecture*** **Azure DevOps*** **Temporal Workflows*** **Domain-Driven Design (DDD)**---