Java Developer

Required Skills

• 5+ years of experience in Backend Java Development.
• Strong proficiency in Core Java.
• Hands-on experience with Spring Boot.
• Experience with Spring Framework, Spring Data JPA, and Hibernate.
• Experience with Spring Batch.
• Strong understanding of RESTful APIs.
• Good knowledge of Microservices architecture.
• Strong experience with SQL databases.
• Exposure to NoSQL databases.
• Experience with Git and CI/CD.
• Experience with JUnit, Mockito, or similar testing frameworks.
• Strong debugging and troubleshooting skills.
• Good understanding of software development best practices.

Good-to-Have Skills

• Docker / Kubernetes
• AWS / Azure / GCP
• Kafka / RabbitMQ
• Redis
• Swagger / OpenAPI
• Monitoring and logging tools

Job Description:

We are looking for experienced Java professionals with strong backend development experience to join our technology team. The ideal candidate should have hands-on experience in Java, Spring Boot, Microservices, and related backend technologies.

Key Responsibilities:

• Design, develop, and maintain scalable backend applications using Java and Spring Boot.
• Develop and integrate RESTful APIs and Microservices.
• Work with Kafka for event-driven architecture and messaging.
• Write clean, efficient, and maintainable code.
• Troubleshoot and resolve application issues.
• Collaborate with frontend, QA, DevOps, and other technical teams.
• Participate in code reviews, design discussions, and technical solutioning.
• Ensure application performance, scalability, and reliability.

Primary Skills:

• Core Java
• Spring Boot
• Microservices
• REST API
• Kafka
• SQL / Database

Good to Have:

• React.js
• Cloud technologies
• Docker / Kubernetes
• CI/CD
• Agile/Scrum experience

Build Products. Solve Real Problems. Grow with Us.

Are you passionate about building scalable applications, solving complex engineering challenges, and working with modern technologies?

At NonStop io Technologies, we're looking for a talented Java Developer who enjoys creating high-quality software, collaborating with smart teams, and continuously learning new technologies.

This isn't just another development role. You'll work on real-world products, modern architectures, cloud technologies, AI-powered development tools, and systems that impact businesses and users every day.

If you're someone who loves writing clean code, takes ownership of your work, and wants to grow into a strong technical contributor or future tech lead, we'd love to connect with you.

About NonStop io Technologies

NonStop io Technologies is a product engineering company with 10+ years of experience building web and mobile applications for startups and enterprises.

We're a team of passionate engineers who believe in:

• Building products, not just projects
• Continuous learning and innovation
• Engineering excellence and quality delivery
• Long-term ownership and customer success
• Collaboration, transparency, and growth

Our engineers don't just execute tasks, contribute ideas, influence architecture decisions, and help shape products from concept to scale.

What You'll Be Working On

• Designing and developing scalable backend applications using Java and Spring Boot
• Building REST APIs and Microservices
• Working on cloud-ready applications and distributed systems
• Collaborating with product managers, designers, and engineers
• Improving application performance, scalability, and reliability
• Contributing to architecture and technical design discussions
• Leveraging AI-powered development tools to enhance productivity
• Working with CI/CD pipelines and modern software engineering practices.

Skills We're Looking For

Must Have

• 3–6 years of experience in Java development(Min 3 Years)
• Strong expertise in Java, Spring Boot, Spring MVC, and Hibernate/JPA
• Experience building Microservices and REST APIs
• Strong understanding of OOP, Design Patterns, and Clean Coding Practices
• Experience with MySQL or PostgreSQL
• Working knowledge of Git
• Hands-on experience with Frontend Technologies (HTML, CSS, JavaScript, React/Angular)
• Experience with Maven or Gradle

Good to Have

• Experience with AWS or cloud environments
• Exposure to CI/CD pipelines and DevOps practices
• Experience with distributed systems and scalable architectures
• Knowledge of automated testing frameworks
• Familiarity with AI-assisted development tools such as GitHub Copilot

Why Developers Love Working With Us

• Work on real products with real impact
• Opportunity to work on modern architectures and cloud technologies
• Exposure to AI-powered software development practices
• Learn directly from experienced engineers and architects
• Friendly, collaborative, and growth-oriented culture
• Freedom to experiment, innovate, and share ideas
• Continuous learning and career growth opportunities
• Work with a team that values ownership, trust, and engineering excellence

Interested in Joining Our Team?

We're always excited to connect with developers who are curious, driven, and passionate about technology.

If you enjoy building quality software, learning new technologies, and taking ownership of your work, this could be the right opportunity for you.

We look forward to connecting with you!

Key Responsibilities:

• Around 4+ years of experience in Java backend development. Candidates with 3+ years of relevant experience may also be considered.
• Strong problem-solving and coding skills in Java are mandatory.
• Strong knowledge of the Spring Framework, including Spring Boot, RS services, and Spring Batch.
• Experience with microservices architecture is preferred. Candidates with basic microservices exposure may also be considered.
• Good understanding of SQL and NoSQL databases. Strong knowledge of at least one database system, such as BigQuery or Oracle, is mandatory.
• Exposure to Kafka, Docker and Kubernetes will be an added advantage.
• Familiarity with AI coding tools such as Claude Code or Cursor will be an added advantage.
• Candidates should have strong programming fundamentals to validate and review AI-generated outputs.

About NonStop io Technologies:

NonStop io Technologies is a value-driven company with a strong focus on process-oriented software engineering. We specialize in Product Development and have a decade's worth of experience in building web and mobile applications across various domains. NonStop io Technologies follows core principles that guide its operations and believes in staying invested in a product's vision for the long term. We are a small but proud group of individuals who believe in the 'givers gain' philosophy and strive to provide value in order to seek value. We are committed to and specialize in building cutting-edge technology products and serving as trusted technology partners for startups and enterprises. We pride ourselves on fostering innovation, learning, and community engagement. Join us to work on impactful projects in a collaborative and vibrant environment.

Brief Description:

NonStop io is seeking a proficient Java Developer to join our dynamic team. In this role, you will contribute to designing, developing, and maintaining high-quality Java-based applications. You will work closely with cross-functional teams, ensuring the delivery of robust and scalable software solutions.

Responsibilities:

• Develop and Maintain: Write clean, efficient, and maintainable code for Java-based applications
• Collaborate: Work with cross-functional teams to gather requirements and translate them into technical solutions
• Code Reviews: Participate in code reviews to maintain high-quality standards
• Troubleshooting: Debug and resolve application issues in a timely manner
• Testing: Develop and execute unit and integration tests to ensure software reliability
• Optimize: Identify and address performance bottlenecks to enhance application performance

Qualifications & Skills:

• Strong knowledge of Java, Spring Framework (Spring Boot, Spring MVC), and Hibernate/JPA
• Experience with microservices architecture, distributed systems, and complex system design
• Familiarity with RESTful APIs and web services
• Proficiency in working with relational databases like MySQL or PostgreSQL
• Experience with build tools like Maven or Gradle
• Understanding of version control systems, especially Git
• Strong understanding of object-oriented programming principles and design patterns
• Familiarity with automated testing frameworks and methodologies
• Understanding of AWS environments and cloud-based application deployment
• Experience working with CI/CD pipelines and DevOps practices
• Excellent problem-solving skills and attention to detail
• Strong communication skills and ability to work effectively in a collaborative team environment 

Why Join Us?

• Opportunity to work on cutting-edge technology products
• A collaborative and learning-driven environment
• Exposure to AI and software engineering innovations
• Excellent work ethic and culture

If you're passionate about technology and want to work on impactful projects, we'd love to hear from you

Wissen Technology is looking for experienced Java Developers to join our team in Bangalore!

📍 Location: Bangalore

💼 Experience: 5–7 Years

⚡ Immediate Joiners Only

🔑 Key Skills

Strong experience in Core Java

Strong understanding of OOPs concepts

Hands-on experience with Java Collections

Strong knowledge of Multithreading & Concurrency, DSA (Data Structures & Algorithms), Spring Boot & Microservices, REST APIs, SQL / Database

📌 Please Note: Only candidates currently based in Bangalore can apply, as the interview process includes F2F rounds.

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.

Job Description: https://drive.google.com/file/d/1P2sPZKidnBCGHEIunjdRaFLUHX3R5_Ov/view?usp=drive_link

Must have

Experience in the Core Java development 

Good understanding of Object Oriented Design, Design Patterns and data structure algorithms

Experience in Multi-threading, Hashmaps, Collection arrays

Experience in Java collections

Experience in developing applications using Spring Boot

Proficient in building Micro Services with Java 1.8 or higher, J2EE, Spring, Spring Boot.

Proficient with No SQL and Relational Databases

Hands on experience in Unit testing frameworks like Junit / Mockito OR TDD

1.Candidates should have experience in design and develop high-volume applications for delivering

high-availability and performance.

2. Write Well designed, testable and efficient code.

3. Ensure designs are in compliance with specifications.

4. Prepare and produce releases of software components.

5. Support continuous improvement by investigating alternatives and technologies for the

architectural review.

6. Should be highly motivated in both solo and team situations by contributing to a great team spirit.

7. Desire and drive to take an active role in improving the end product

8. Should have strong knowledge of client server interaction, good understanding of REST

architecture

SKILLS REQUIRED