Senior Java Developer

Wissen Technology is hiring for Java Developer

About Wissen Technology: 

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide. Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients with the flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent.  Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Job Summary: 

We are seeking a skilled Java Backend Developer to design, develop, and maintain scalable, high-performance backend applications. The ideal candidate should have strong experience in Java, Spring Boot, RESTful APIs, microservices, and relational databases. You will work closely with cross-functional teams to build reliable, secure, and efficient backend solutions.

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.
  

Secondary Skills (Pref)

• Experience with Docker and Kubernetes.
  
• Knowledge of Apache Kafka or RabbitMQ.
  
• Experience with Redis or other caching technologies.
  
• Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.
  
• Understanding of CI/CD tools such as Jenkins or GitHub Actions.
  
• Exposure to monitoring tools like Prometheus and Grafana.
  

Nice to Have:

• Experience with Agile/Scrum methodologies.
  
• Knowledge of NoSQL databases such as MongoDB.
  
• Experience working in high-volume, distributed environments
  

Wissen Sites: 

• Website: www.wissen.com
  
• LinkedIn: https://www.linkedin.com/company/wissen-technology
  
• Wissen Leadership: Leadership Team | Wissen
  
• Wissen Live: LinkedInログイン | LinkedIn
  
• Wissen Thought Leadership: https://www.wissen.com/articles/