Java Developer

JOB DESCRIPTION

Experience: 10+ years

Wissen Technology is now hiring for a Senior Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. 

Required Skills:

• Exp. - 10+ years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. 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.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

Job Description

Key Responsibilities:

• Design, develop, test, and deploy high-quality backend solutions using Java and Spring Boot.
• Build and maintain scalable microservices that interact with various data sources and front-end applications.
• Develop RESTful APIs for internal and external consumption.
• Write clean, maintainable, and efficient code following best practices and coding standards.
• Collaborate with cross-functional teams including front-end developers, QA, and DevOps.
• Troubleshoot and resolve technical issues across environments.
• Participate in code reviews, unit testing, and integration testing.
• Ensure application performance, uptime, and scale by identifying and resolving bottlenecks.

Required Skills & Qualifications:

• Strong proficiency in Java (8 or higher).
• Hands-on experience with Spring Boot framework.
• Experience in developing RESTful APIs and understanding of HTTP protocols.
• Solid understanding of Microservices architecture and related patterns (e.g., service discovery, circuit breaker).
• Familiarity with relational and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).
• Understanding of containerization tools (e.g., Docker) and orchestration tools (e.g., Kubernetes) is a plus.
• Knowledge of CI/CD pipelines and version control tools like Git.
• Excellent problem-solving skills and attention to detail.
• Good communication and teamwork skills.

Preferred Qualifications:

• Experience with cloud platforms such as AWS, Azure, or GCP.
• Familiarity with message brokers like Kafka or RabbitMQ.
• Exposure to Agile/Scrum development methodologies.

• Developing and maintaining server-side network components.
• Collaborating with front-end developers on the integration of elements.
• Designing customer-facing UI and back-end services for various business processes.
• Developing high-performance applications by writing testable, reusable, and efficient code.
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests, repairing defects, and providing technical support.
• Documenting Node.js processes, including database schemas, as well as preparing reports.
• Recommending and implementing improvements to processes and technologies.
• Keeping informed of advancements in the field of Node.js development.

• At least two years of experience as a Node.js developer.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
• Knowledge of front-end technologies such as HTML5 and CSS3.
• Superb interpersonal, communication, and collaboration skills.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.
• Availability to resolve urgent web application issues outside of business hours.

As Back end developer, we expect you to be motivated in solving real-life complex problems and create compelling experiences for our Resellers. Being a small company we have a culture of creative problem solving, intellectual design, fast-paced development, and passionate product delivery. Enhance or build Restful web services for our mobile app.

Responsibilities:

• Develop server-side components, REST APIs
• Assume ownership for existing and new modules including design, development, and unit testing for enhancements of existing modules and development of new modules.
• Analyse problems logically and exercise sound judgment in defining, evaluating, and solving difficult technical and operational problems where solutions may be of a precedent-establishing nature.
• Lead the design and architectural improvements
• Participate and collaborate with team members in design discussions, determines areas of complexity, potential risks to successful implementation, suggest enhancements to architecture, implement POCs, and enhance application.
• Reduce technical debt with quality coding

Requirements:

• A solid grounding in Computer Science fundamentals (based on a BS or MS in CS or related field) from IITs and Premier Engineering College.
• Excellent Object Orientation, coupled with excellent problem solving and debugging skills.
• Highly skilled at Java and related technologies, including Java Frameworks like Spring-boot or Drop wizard, RESTful web services, JSON, Servlet, JSP, MySQL, MongoDB, Kafka, AWS Solr.
• Must have hands-on experience in building scalable and secure back end systems.
• Have hands-on experience with systems that are asynchronous, RESTful and demand concurrency
• Good to have knowledge of best software engineering practices for all stages of the software development life cycle, including coding standards, code reviews, testing, deployment.