Backend Developer

Experience: 8-12 years

Location: Bangalore

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. - 8-12 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.

About Us:

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. 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. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results. 

Today, Wissen Technology has a global footprint with 2200+ employees across offices in the US, UK, UAE, India, and Australia. 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.

Website : www.wissen.com 

What You Will Do

● Create beautiful software experiences for our clients using design thinking, and lean and agile methodology.

● Work on world-class software products using the latest cutting-edge technologies and platforms.

● Work in a dynamic, collaborative, transparent, non-hierarchical culture.

● Work in collaborative, fast-paced, and value-driven teams to build innovative customer experiences for our clients.

● Help to grow the next generation of developers and positively impact the industry.

Basic Qualifications

● Experience: 5+ years

● Hands-on development experience in backend, Java, SpringBoot, Hibernate, SQL, MongoDB, Jenkins, Microservices, etc.

● Server-side development experience mainly in JAVA.

● Passion for software engineering and following the best coding concepts.

● Good to great problem-solving and communication skills.

● Experience in working with cross-border, distributed teams is a must. Nice to have Qualifications ● Product and customer-centric mindset

● Great OO skills, including design patterns.

● Experience with large-scale enterprise systems Get to know us better: https://www.zemosolabs.com.

Hi,

 Greetings from Kairos Technologies (http://www.kairostech.com">www.kairostech.com)

  About Kairos:

Kairos Technologies is a customer-first technology services company focused on Digital Transformation and Testing/QA. We are founded to help you build world-class solutions and digital ecosystems. From our inception in 2003, we have provided managed services in embracing the digital transformation for various companies operating in different verticals. We strive to provide the technology services that make your business goals an economic reality.

As discussed please find the below Job description 

We are looking for highly skilled programmers with experience building web applications in Java. Java Developers are responsible for analyzing user requirements and business objectives, determining application features and functionality, and recommending changes to existing Java-based applications, among other duties.

Java Developers need to compile detailed technical documentation and user assistance material, requiring excellent written communication.

Java Developer Responsibilities:

• Designing and implementing Java-based applications.
• Analyzing user requirements to inform application design.
• Defining application objectives and functionality.
• Aligning application design with business goals.
• Developing and testing software.
• Debugging and resolving technical problems that arise.
• Producing detailed design documentation.
• Recommending changes to existing Java infrastructure.
• Developing multimedia applications.
• Developing documentation to assist users.
• Ensuring continuous professional self-development.

• Skills Required: JAVA/J2EE technologies like Struts, Spring Boot, HTMLCSS, JSP, JDBC, Servlets, JSON, Eclipse, Apache Tomcat, Subversion, Springboot framework to build RESTful Web Services and Micro Services based Spring Cloud.

• Exp – 5+ years
• Location- Pan India

Experience:

The candidate should have about 5+ years of experience with design and development in Java/Scala. Experience in algorithm, data-structure, database and architectures of distributed System is mandatory.

Required Skills:

1. In-depth knowledge of Hadoop, Spark architecture and its components such as HDFS, YARN and executor, cores and memory param
2. Knowledge of Scala and Java both
3. Extensive experience in developing spark job. Should possess good Oops knowledge and be aware of enterprise application design patterns.
4. Good knowledge of Unix/Linux.
5. Experience working on large-scale software projects
6. Understanding the big picture and the various uses cases involved while crafting the solution and documenting them in Unified Modeling language.
7. Own and maintain the architecture document.
8. Keep an eye out for technological trends, open-source projects that can be used.
9. Knows common programming languages and Frameworks.
10. Real time streaming data consumption

Good to have :

1. Azure/AWS Cloud Knowledge of Data Storage and Compute side
2. Knowledge Multitenant Architecture
3. Brief idea of Data Science
   
   

Job Description: 

3+ years of experience as a JAVA/J2EE technologies developer in delivering highly available and scalable applications in a cloud operating environment. - Expertise in Spring framework and equivalent. 

• Experience in developing Java Microservices using spring boot, docker, Kubernetes etc. 
• Programming expertise in Java, JavaScript; and familiarity with other languages.
• Experience building, testing, and consuming REST APIs is a must have experience. 
• Experience with high-throughput messaging technologies and patterns; Kafka and/or related technologies a plus. 
• Exposure to databases of any types relational, analytical, columnar, etc; including MySql. 
• Experience with Git source control and building/maintaining Continuous Integration and Delivery pipelines; Jenkins experience a plus. 
• Expertise in Object-Oriented Development. 
• Experience working in an Agile/Scrum-inspired delivery methodology. - Expertise with database programming, transaction management. Expertise with build tools – MAVEN, Gradle. 
• Expertise in design patterns and data structures. 
• Good understanding of Unit test tools. 
• Good analytical skills to break down requirements and solve complex problems. 
• Good understanding of Source control toolsets. 
• Well-developed verbal and written communication skills. 
• Proven track record to meet aggressive timelines.

Required Skills:

Good to have

• Understanding CI tools like Jenkins, Bamboo. 
• Experience with Google Cloud Platform or equivalent. 
• Experience with Microservices and/or Monolith to Microservice migration.
• Experience with frontend technologies like to react, angular is a plus
• Good Linux experience

• Build large scale enterprise applications.
• Responsible for providing deep technical expertise in designing and delivering end to end high performance, scalable & flexible solutions using Java and Open Stack technologies including Mobility/Responsive Web apps, APIs, application & data Integration, scalable databases, DevOps, Cloud Computing.
• He/ She would be also responsible to experiment, explore and demonstrate application of new technologies by means of conducting quick prototypes to solve business problems. Work with the direction from Solution Architect/ Enterprise Architect and co-create solutions with rest of the IT delivery teams

• Provide objective guidance without personal or political considerations.
• Pitching ideas for projects based on gaps in the market and technological advancements.
• Rolling out fixes and upgrades to software, as needed.
• Securing software to prevent security breaches and other vulnerabilities.
• Setting up a continuous build environment to speed up software development and deployment process.
• Architecting overall, comprehensive, and efficient practices.
• Guiding developers and operation teams in case of an issue.
• Monitoring, reviewing, and managing technical operations.

Requirements:

• Degree in Computer Science, Information Systems, or related field.
• Previous experience working on a 24x7 cloud or SaaS operation team.
• Spring Boot Java 8, Spring Core, Spring Boot, Spring MVC, Swagger, Tomcat 8, Maven, Jenkins, SVN, GIT, Postman/Newman, RESTful Services, Containers.
• Experience with infrastructure management and monitoring.
• Proven in developing, implementing, and providing solutions to the given problem in all Java technologies.
• Proficient in stitch-together end-to-end application starting from front-end web development, back-end development, middleware integration, and persisting data in no SQL or DBMS databases.
• Ability to work independently and as part of a team.