Java Backend Developer

We are looking for someone who:

• Has strong expertise in Java Backend Development
• Has excellent problem-solving and analytical skills
• Can work independently as well as collaborate effectively with teams
• Has experience working on enterprise-scale applications
• Is comfortable working in a fast-paced environment
• Has AI experience or a good understanding of AI concepts, tools, or AI-powered applications

Key Responsibilities:

• Design, develop, test, and maintain backend applications using Java and Spring Boot.
• Build and consume RESTful APIs and integrate with third-party services.
• Develop scalable microservices and distributed systems.
• Optimize application performance, reliability, and security.
• Write clean, maintainable, and well-documented code.
• Collaborate with front-end developers, QA engineers, DevOps, and product teams.
• Troubleshoot production issues and implement bug fixes.
• Participate in code reviews and follow software development best practices.
• Contribute to CI/CD pipelines and deployment processes.

Required Skills & Experience 

• Strong proficiency in Java (Java 8/11/17+).
• Hands-on experience with Spring Boot, Spring MVC, Spring Data JPA, and Spring Security.
• Experience building RESTful APIs and microservices.
• Knowledge of Hibernate/JPA.
• Strong understanding of SQL databases such as MySQL or PostgreSQL.
• Familiarity with Git and version control.
• Understanding Maven or Gradle.
• Knowledge of unit testing frameworks such as JUnit and Mockito.
• Understanding object-oriented programming principles and design patterns.

Job Summary

We are looking for an experienced Java Backend Lead with strong expertise in backend application development, system design, and technical leadership. The candidate will be responsible for developing scalable applications, guiding the development team, and ensuring high-quality delivery.

Key Responsibilities

• Lead and mentor backend development teams.
• Design and develop scalable, high-performance backend applications.
• Develop applications using Core Java, Java 8/11/17+ and Spring Boot.
• Design and implement RESTful APIs and microservices.
• Work with databases such as Oracle, MySQL, PostgreSQL or similar.
• Conduct code reviews and ensure coding standards and best practices.
• Troubleshoot performance, production, and technical issues.
• Collaborate with architects, product teams, QA, and other stakeholders.
• Participate in system design, technical discussions, and solution development.
• Ensure application security, scalability, reliability, and performance.
• Guide the team in Agile/Scrum development practices.

Mandatory Skills

• 10–15 years of overall IT experience.
• Strong hands-on experience in Java.
• Strong experience with Spring Boot and Microservices.
• Experience in REST API development.
• Strong knowledge of SQL and relational databases.
• Experience in system design and application architecture.
• Good experience in technical leadership and team mentoring.
• Strong problem-solving and communication skills.

Preferred Skills

• Experience with AWS/Azure/GCP.
• Knowledge of Kafka/RabbitMQ.
• Experience with Docker/Kubernetes.
• Exposure to CI/CD tools such as Jenkins, GitHub Actions or Azure DevOps.
• Experience working in Agile environments.

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!

Urgent Requirement 🔥

👉 Java Backend with AWS

👉 Java Backend with React, Spring Boot, Microservices

Exp: 3+ Yrs

Loc: Chennai, Bangalore, Hyderabad

Immediate Joiners Preferred!

Role – Java Backend Developer

Experience: 7–10 Years

Location: Bangalore

Job Description:

We are looking for an experienced Java Backend Developer with strong hands-on experience in building scalable, high-performance backend applications.

Candidates should have expertise in Java 8+, Spring Boot, Microservices, multithreading, concurrency, and transaction management. Experience in REST APIs, Kafka/RabbitMQ, SQL, Spring Transactions, JPA/JDBC, and distributed systems is required.

Strong understanding of system design, performance optimization, scalability, and fault-tolerant applications is expected.

Mandatory Skills: Java 8+, Spring Boot, Microservices, Multithreading, Concurrency, Transaction Management, SQL, Kafka/RabbitMQ.

Key Responsibilities

• Design, develop, and maintain enterprise-level applications using Java and Angular.
• Build scalable backend services using Java, Spring Boot, and microservices architecture.
• Develop responsive and user-friendly frontend applications using Angular, TypeScript, HTML5, and CSS3.
• Design, develop, and integrate RESTful APIs.
• Work with relational databases such as MySQL, PostgreSQL, or Oracle.
• Write clean, reusable, and maintainable code.
• Perform unit testing, debugging, and application performance optimization.
• Collaborate with cross-functional teams, business analysts, and QA engineers.
• Participate in code reviews and contribute to technical design discussions.

Required Skills

Backend:

• Strong hands-on experience in Core Java (Java 8 or above).
• Spring Boot, Spring MVC, and Spring Framework.
• Microservices architecture.
• REST API development and integration.
• Hibernate/JPA.

Frontend:

• Strong experience in Angular (Angular 10+ preferred).
• TypeScript, JavaScript, HTML5, and CSS3.
• Angular components, services, routing, and RxJS.
• Responsive UI development.

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

SHARE YOUR RESUME : { pavithra.e @vysystems.com },

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Job Description – Java Backend Developer

Experience: 5+ Years

Location: Bangalore

Notice Period: Immediate to 15 Days

Job Summary

We are looking for an experienced Java Backend Developer with strong hands-on expertise in Java and Apache Kafka. The ideal candidate should have experience in developing scalable backend applications, building event-driven systems, and working with distributed architectures.

Key Responsibilities

• Design, develop, and maintain scalable backend applications using Java.
• Develop and implement event-driven applications using Apache Kafka.
• Build and maintain RESTful APIs and backend services.
• Work with distributed systems and microservices architecture.
• Develop efficient, reusable, and maintainable code.
• Troubleshoot, debug, and resolve application issues.
• Optimize application performance, scalability, and reliability.
• Collaborate with cross-functional teams to understand requirements and deliver solutions.
• Participate in code reviews and technical discussions.

Mandatory Skills

• 5+ years of experience in Java Backend Development.
• Strong hands-on experience in Java.
• Hands-on experience with Apache Kafka.
• Good understanding of REST API development.
• Knowledge of microservices and distributed systems.
• Strong problem-solving and debugging skills.

• Experience in Core Java, CXF, Spring. 
• Experience in spring boot, microservices. 
• Extensive experience in developing enterprise-scale n-tier applications for the financial domain. Should possess good architectural knowledge and be aware of enterprise application design patterns. 
• Should have the ability to analyze, design, develop and test complex, low-latency client-facing applications. 
• Good development experience with RDBMS, preferably Sybase database 
• Good knowledge of multi-threading and high volume server side development 
• Experience in sales and trading platforms in investment banking/capital markets 
• Basic working knowledge of Unix/Linux 
• Excellent problem solving and coding skills in Java 
• Strong interpersonal, communication and analytical skills. 
• Should have the ability to express their design ideas and thoughts.