Java Fullstack developer With React

Wissen Technology is Hiring for Java Full stack developer with React

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 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 looking for a highly skilled Senior Java Developer with a strong background in Core Java, multithreading, collections, and React.js to join our technology team supporting the BFSI sector. The ideal candidate will possess deep technical expertise in backend development with strong proficiency in object-oriented programming, database optimization, and modern UI frameworks.

Key Responsibilities:

• Develop and maintain high-quality, efficient, and scalable backend applications.
  
• Participate in all phases of the software development lifecycle (SDLC)
  
• Write clean, well-documented, and testable code adhering to best practices.
  
• Collaborate with team members to ensure the successful delivery of projects.
  
• Debug and troubleshoot complex technical problems.
  
• Identify and implement performance optimizations.
  
• Participate in code reviews
  
• Hands-on experience with Springboot, Java 8 and above.
  
• Knowledge about at least one messaging system like Kafka, RabbitMQ etc.
  
  

Required Skills:

• Proficiency in React.js and its core principles
  
• Strong JavaScript, HTML5, and CSS3 skills
  
• Experience with popular React.js workflows (such as Redux)
  
• Strong understanding of object-oriented programming (OOP) principles.
  
• Experience with design patterns and best practices for Java development.
  
• Proficient in unit testing frameworks (e.g., JUnit).
  
• Experience with build automation tools (e.g., Maven, Gradle).
  
• Experience with version control systems (e.g., Git).
  
• Experience with one of these databases – Postgres, MongoDb, Cassandra
  
• Knowledge on Retail or OMS is a plus.
  
• Experienced in containerized deployments using Docker, Kubernetes and
  
• DevOps mindset
  
• Ability to reverse engineer existing/legacy and document findings on confluence.
  
• Create automated tests for unit, integration, regression, performance, and
  
• functional testing, to meet established expectations and acceptance criteria.
  
• Document APIs using Lowe’s established tooling.
  
  

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