Java Developer

Wissen Technology is now hiring for a 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. - 6 to 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 clientfacing 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 Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider. 

Job Description:

We are looking for a Senior Java Developer with strong expertise in Apache Kafka and backend systems. The ideal candidate will have hands-on experience in Java (8/11+), Spring Boot, and building scalable, real-time data pipelines using Kafka.

Key Responsibilities:

• Develop and maintain backend services using Java and Spring Boot
• Design and implement Kafka-based messaging and streaming solutions
• Optimize Kafka performance (topics, partitions, consumers)
• Collaborate with cross-functional teams to deliver scalable microservices
• Ensure code quality and maintain best practices in a distributed environment

Required Skills:

• 6+ years in Java development
• 3+ years of hands-on Kafka experience (producers, consumers, streams)
• Strong knowledge of Spring Boot, REST APIs, and microservices
• Familiarity with Kafka Connect, Schema Registry, and stream processing
• Experience with containerization (Docker), CI/CD, and cloud platforms (AWS/GCP/Azure)

Job Description

We are looking for Advance Java developers who want to help us design cutting edge scalable products to meet our rapidly growing business. We are building out a team and looking for multiple levels but you should have at least 4-6 years of programming experience.

Key Responsibilities

         Build high availability and extreme reliable high volume transactional systems.

         Deliver reliable solutions that handle massive data and high traffic.

         Complete ownership of problem-free execution of owned modules and solutions.

         Focus on code optimization, code quality, maintainability etc.

         Team Handling.

Skills required

         MS or BS/B.Tech / MCA in computer science.

         Hands-on experience in Core J2EE or Core Java (collection, multithreading).

         Proficiency in Struts 2.0 & Springs, Hibernate, JDBC, JSP, Servlets , JMS / Radius, Redis , Microservices , 

         Strong working knowledge of Databases – MySQL, OS - Linux.

         Experience and knowledge of open source tools & frameworks, broader cutting edge          technologies around server side development.

         Excellent data structure & algorithm and problem solving skills.

         Customer-focused, react well to changes, work with teams and able to multi-task.

         Must be a proven performer and team player that enjoy challenging assignments in a high-energy, fast growing and start-up workplace.

         Must be a self-starter who can work well with minimal guidance and in fluid environment.

Note: Must have worked on Payment Gateway Development.

Must be willing to work in a startup fast paced environment.

Joining : Immediate

We are looking to hire Java developers who can help us in our mission to transform ideas into applications. Our cross-functional team of motivated, skilled and experienced software engineers and designers, help the clients unlock the business values of their enterprises in a time-bound and cost-effective manner. True to our team you would be working on high-impact projects and making a dent in the Service industry on a daily basis. 

Skills :

• Excellent Communication Skills
• 4-6 years of experience in Java8 Development.
• V yAPI, Spring Boot/MVC, Spring Security
• Hibernate, JPA, MySQL/POSTGRES, Jenkins, Git
• Experience of developing high-performance and scalable web applications and APIs using frameworks such as Spring Boot/MVC, Spring Security, Hibernate, and JPA.
• Hands-on Experience of Version control(Git), MYSQL/POSTGRES, Jenkins, etc.

Expereince: 3-5 years

Domain: SQL server/SSIS/Cloud technology

Good Knowledge in Creating new tables in database.

Using Triggers, trunket,delete,view,etc

Job Description :

Hiring for Staff Engineer (Back end) for a leading product based company at DLF IT Park, Chennai.

Skill Set :

- Strong Experience in any Programming language (Ruby, Go, Java, or other high-performance languages), Architecture, Design (HLD/LLD), Data structures, Algorithms, Hands-on Coding, Problem Solving, etc

- Experience in Web Technology is Must.

- Looking for candidates with good experience in product development.

- Candidates from product development companies will be preferred.

- Candidates willing to relocate/preferring Chennai can apply.

Responsibilities :

- Analyze and drive product requirements

- Architect and design product features for scale and maintainability

- Lead in the design, implementation, and deployment of successful systems and services

- Ensure the quality of architecture and design of systems

- Implement code with very high coverage of unit tests and component tests

- Perform design and code reviews

- Functionally decompose complex problems into simple, straight-forward solutions

- Fully and completely understand system interdependencies and limitations

- Possess expert knowledge in performance, security, scalability, architecture, and best practices

- Software development of high quality/availability core systems

- Cross-training peers and mentoring teammates

- Document HLD/LLD for easy knowledge sharing and future scaling

Must have :

- 8-12 years of experience designing, integrating and developing distributed applications in Ruby, Go, Java, or other high-performance languages

- Experience with cluster and container orchestration systems such as Docker, Mesos, Marathon, Salt or Kubernetes.

- Experience with Service design, systems engineering, API Design and versioning

- Understanding of Design Patterns, Serverless computing, cloud-first architecture, TDD, BDD, CI/CD, Integration Patterns

Good to have :

- Experience building distributed systems using Kafka. Strong grasp of fundamental concepts of Kafka, ZooKeeper and building producer and consumer applications using Kafka

- Familiarity writing and optimizing advanced SQL queries

- Good Linux/UNIX systems knowledge

- AWS compute and storage PaaS services. AWS certified solutions architect nice to have.

- Experience productionizing Machine Learning models

- Experience publishing technical papers in reputed conferences.