Java Developer

Job Title: Java Developer with Kafka

Location: Hyderabad

Experience: 4–9 Years

Job Summary

We are seeking an experienced Java Developer with strong expertise in Apache Kafka to design, develop, and maintain scalable, high-performance enterprise applications. The ideal candidate should have hands-on experience building microservices, implementing event-driven architectures, and working with distributed systems.

Key Responsibilities

• Design, develop, and maintain Java-based applications using Spring Boot.
• Build and manage event-driven applications using Apache Kafka.
• Develop RESTful APIs and microservices.
• Integrate applications with databases and third-party systems.
• Optimize application performance, scalability, and reliability.
• Write clean, maintainable, and testable code following best practices.
• Collaborate with cross-functional teams in Agile/Scrum environments.
• Troubleshoot production issues and provide timely resolutions.
• Participate in code reviews and contribute to technical design discussions.

Required Skills

• 5–8 years of experience in Java application development.
• Strong proficiency in Java 8/11/17 and Spring Boot.
• Hands-on experience with Apache Kafka (producers, consumers, topics, partitions, consumer groups).
• Experience developing REST APIs and Microservices.
• Strong understanding of multithreading, collections, and JVM concepts.
• Experience with SQL databases (Oracle, PostgreSQL, or MySQL).
• Familiarity with Git, Maven/Gradle, and CI/CD pipelines.
• Knowledge of Docker and Kubernetes is an advantage.
• Experience with cloud platforms (AWS, Azure, or GCP) is a plus.
• Good analytical, problem-solving, and communication skills.

Preferred Qualifications

• Experience with event-driven architecture and distributed systems.
• Exposure to monitoring tools such as Prometheus, Grafana, ELK, or Splunk.
• Knowledge of messaging systems and integration patterns.
• Experience working in Agile development environments.

Shift timings : Afternoon

Job Summary

We are seeking an experienced Senior Java Developer with strong expertise in legacy system migration, server management, and deployment. The candidate will be responsible for maintaining, enhancing, and migrating an existing Java/JSF (PrimeFaces), EJB, REST API, and SQL Server-based application to a modern Spring Boot architecture. The role involves ensuring smooth production deployments, troubleshooting server issues, and optimizing the existing infrastructure.

Key Responsibilities

● Maintain & Enhance the existing Java, JSF (PrimeFaces), EJB, REST API, andSQL Server application.

● Migrate the legacy system to Spring Boot while ensuring minimal downtime.

● Manage deployments using Ansible, GlassFish/Payara, and deployer.sh scripts.

● Optimize and troubleshoot server performance (Apache, Payara, GlassFish).

● Handle XML file generation, email integrations, and REST API maintenance.

● Database management (SQL Server) including query optimization and schema updates.

● Collaborate with teams to ensure smooth transitions during migration.

● Automate CI/CD pipelines using Maven, Ansible, and shell scripts.

● Document migration steps, deployment processes, and system architecture.

Required Skills & Qualifications

● 8+ years of hands-on experience with Java, JSF (PrimeFaces), EJB, and REST APIs.

● Strong expertise in Spring Boot (migration experience from legacy Java is a must).

● Experience with Payara/GlassFish server management and deployment.

● Proficient in Apache, Ansible, and shell scripting (deployer.sh).

● Solid knowledge of SQL Server (queries, stored procedures, optimization).

● Familiarity with XML processing, email integrations, and Maven builds.

● Experience in production deployments, server troubleshooting, and performance tuning.

● Ability to work independently and lead migration efforts.

Preferred Skills

● Knowledge of microservices architecture (helpful for modernization).

● Familiarity with cloud platforms (AWS/Azure) is a plus.

Job Description

We are looking for a hands-on Tech Lead – Java with strong software engineering fundamentals, a deep understanding of Java-based backend systems, and proven experience leading agile teams. This role involves a balance of individual contribution and technical leadership — mentoring developers, designing scalable architectures, and driving the success of product delivery in fast-paced environments.

Key Responsibilities

• Lead the end-to-end design, development, and deployment of Java-based applications and RESTful APIs.
• Collaborate with product managers and architects to define technical solutions and translate business requirements into scalable software.
• Guide and mentor team members in best coding practices, design patterns, and architectural decisions.
• Drive code reviews, technical discussions, and ensure high code quality and performance standards.
• Troubleshoot critical production issues and implement long-term fixes and improvements.
• Advocate for continuous improvement in tools, processes, and systems across the engineering team.
• Stay up to date with modern technologies and recommend their adoption where appropriate.

Required Skills

• 5+ years of experience in Java backend development with expertise in Spring/Spring Boot and RESTful services.
• Solid grasp of Object-Oriented Programming (OOP), system design, and design patterns.
• Proven experience leading a team of engineers or taking ownership of modules/projects.
• Experience with AWS Cloud services (EC2, Lambda, S3, etc.) is a strong advantage.
• Familiarity with Agile/Scrum methodologies and working in cross-functional teams.
• Excellent problem-solving, debugging, and analytical skills.
• Strong communication and leadership skills.

About HummingWave

HummingWave is a leading IT product development company specializing in building full-scale application systems with robust cloud backends, sleek mobile/web frontends, and seamless enterprise integrations. With 50+ digital products delivered across domains for clients in the US, Europe, and Asia-Pacific, we are a team of highly skilled engineers committed to technical excellence and innovation.

Thanks

Position: Java Lead

Experience: 7+ Years

Location: Jaipur (Onsite)

Joining: Immediate Joiners Preferred

Employment Type: Permanent

Company: Deqode

Role Summary:

We are looking for a Java Lead to join Deqode’s backend engineering team. This role requires deep hands-on expertise in Java technologies along with the ability to lead a team and drive complex technical implementations.

Key Responsibilities:

• Take ownership as Lead Developer for backend services.
• Manage a team of 5-7 Java developers; mentor and guide juniors.
• Perform code reviews and ensure adherence to coding best practices.
• Contribute in writing clean, testable, scalable code using Java and Spring Boot.
• Own and drive technical design discussions and implementations.
• Work with cross-functional teams: Frontend, QA, DevOps, Product, and 3rd parties.
• Ensure robust unit testing, code coverage, and maintain high quality deliverables.
• Troubleshoot defects and support production deployments.

Required Skills:

• 7+ years of Java development experience
• Expertise in Spring Boot and REST APIs
• Strong experience in Microservices Architecture
• Knowledge of Netflix OSS or Spring Cloud
• Proficient in writing JUnit test cases
• CI/CD pipeline experience in real-time projects
• Understanding of Docker and Kubernetes
• Exposure to AWS Cloud Services from a development perspective

About the Role-

Thinking big and executing beyond what is expected. The challenges cut across algorithmic problem solving, systems engineering, machine learning and infrastructure at a massive scale.

Reason to Join-

An opportunity for innovators, problem solvers & learners.  Working will be Innovative, empowering, rewarding & fun. Amazing Office, competitive pay along with excellent benefits package.

Requiremets and Responsibilities- (please read carefully before applying)

• The overall experience of 3-6 years in Java/Python Framework and Machine Learning.
• Develop Web Services, REST, XSD, XML technologies, Java, Python, AWS, API.
• Experience on Elastic Search or SOLR or Lucene -Search Engine, Text Mining, Indexing.
• Experience in highly scalable tools like Kafka, Spark, Aerospike, etc.
• Hands on experience in Design, Architecture, Implementation, Performance & Scalability, and Distributed Systems.
• Design, implement, and deploy highly scalable and reliable systems.
• Troubleshoot Solr indexing process and querying engine.
• Bachelors or Masters in Computer Science from Tier 1 Institutions

Responsibilities:

• Define the code review process for the team to follow and perform code reviews.
• Design, implement, and maintain Java-based applications that can be high-volume and low-latency.
• Ensure application designs conform with business goals.
• Develop and test software & Identify and resolve any technical issues arising.

Required Skills:

• 7+ years of experience developing web applications using J2EE / Java.
• Possess knowledge and skills in software programming in Core Java, J2EE, Microservices-related technologies, Spring Boot, Spring MVC, Rest API, JavaScript, and XML.
• Experience developing enterprise-level web applications and RESTful APIs using Microservices.
• Excellent in design patterns, data structures & algorithms, and OOAD.
• Experience in working with the E-Government Projects/ CCTNS application.

Required Skills/Qualifications: 

∙         B.Tech/MCA in Comput

Required Skills/Qualifications: 

Any Backend Technology is acceptable

∙         B.Tech/MCA in Computer Science or equivalent with 1-3 years’ experience with server-side web application development.

∙         Extensive development experience using LAMP or MEAN stack, RESTful web services or Node.js, HTML and CSS.

∙         Good understanding of Data structures and Relational Databases like MySQL or NoSQL Databases like MongoDB.

∙         Experience working with services in AWS such as EC2, RDS, and ELBs and have knowledge of VPCs.

∙         Experience with server side and client side MVC frameworks, Kafka Ansilble,Jenkins.

∙         Exposure to Continuous Integration (CI) and Continuous Deployment (CD), automated testing and agile development methods.

∙         Understanding of Version Management Tools like GitHub.

er Science or equivalent with 1-3 years’ experience with server-side web application development.

∙         Extensive development experience using LAMP or MEAN stack, RESTful web services or Node.js, HTML and CSS.

∙         Good understanding of Data structures and Relational Databases like MySQL or NoSQL Databases like MongoDB.

∙         Experience working with services in AWS such as EC2, RDS, and ELBs and have knowledge of VPCs.

∙         Experience with server side and client side MVC frameworks, Kafka Ansilble,Jenkins.

∙         Exposure to Continuous Integration (CI) and Continuous Deployment (CD), automated testing and agile development methods.

∙         Understanding of Version Management Tools like GitHub.