
Java Developer – Job Description 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. - 4 to 7 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
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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Job Title: Java Developer
Location: Chennai
Experience: 3+ Years
Employment Type: Full-time
Job Description:
We are looking for a skilled and passionate Java Developer with a strong foundation in Core Java and Object-Oriented Programming concepts. The ideal candidate should possess excellent communication skills and have hands-on experience with multi-threading, collections, databases, and backend development frameworks like Spring and Spring Boot. Exposure to cloud platforms and frontend technologies is a plus.
Key Responsibilities:
- Design, develop, and maintain scalable Java applications using Core Java and Spring Boot.
- Apply strong knowledge of Java Collections Framework and concurrent programming techniques including ExecutorService, ForkJoinPool, and other threading mechanisms.
- Optimize JVM performance and memory usage.
- Participate in all phases of the software development lifecycle: requirement gathering, design, development, testing, and deployment.
- Write clean, maintainable code following best practices, coding standards, and design patterns.
- Conduct code reviews, unit testing, and participate in peer programming.
- Collaborate effectively with team members and stakeholders to deliver high-quality solutions.
- Interact with databases like Oracle, Sybase, or SQL Server, with a strong understanding of views, triggers, indexing, and stored procedures.
Must-Have Skills:
- 3+ years of hands-on experience in Core Java
- Strong understanding of Collections, Multithreading, and Concurrency
- Proficient in Spring Framework, especially Spring Boot
- Deep understanding of Object-Oriented Design and Data Structures
- Strong experience in RDBMS (Sybase/Oracle/SQL Server) including indexing, replication, CLOB/BLOB types, views, and procedures
- Excellent written and verbal communication skills
Good to Have:
- Exposure to Microservices architecture
- Familiarity with NoSQL databases
- Knowledge or willingness to work on frontend technologies
- Experience working with public cloud platforms (AWS, Azure, GCP)
Soft Skills:
- Strong analytical and problem-solving skills
- Team player with a proactive attitude
- Ability to work independently and in a fast-paced environment
If you are passionate about Java development and want to work on cutting-edge technologies in a collaborative environment, we would love to hear from you.
Let me know if you want this converted into a company-branded format or with CTC/NP details added.
- Immediate joiners with 5 to 10 years of experience.
- Should have team leading experience.
- Should be keen to work as a Developer.
- Java, Spring boot and Design patterns are key areas where they should be excellent.
- Good communication skills is a mandate.
- Should be willing to work on alternate Saturdays (10 AM to 4:30 PM).
- They will have to relocate to Chennai.
- Strong SQL skills, Postgres SQL database knowledge.
- Cloud Experience in deployment (CI/CD)
- Unit Test case
- Angular – good to have


- Design and build user-facing products, owning the entire process from gathering functional requirements from teams, through testing and staging, to deploying in a Python based stack
- Guide the team in making technical trade-offs
- Proactively identify bottlenecks, areas for improvement and put forth a plan to course-correct
- Design and implement maintainable backend services, including data processing pipelines, APIs and internal tools
- Coordinating with internal teams to understand user requirements and provide technical solutions


Job Brief
The job requires .Net Sr Backend Developer. This Developer is expected to have strong technical skills, work closely with the other team members in development and ability to work stand alone. Ability to work on a small team with minimal supervision, Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality
Skills Requirement
- Bachelor’s degree in Computer Science or related field plus 3-5 Years of .Net relevant experience
- Familiarity with the .NET framework, SQL Server, and design/architectural patterns (e.g. Model-View-Controller (MVC))
- Knowledge of .NET languages (e.g. C#, Visual Basic .NET)
- Familiarity with architecture styles/APIs (REST, RPC)
- Understanding of Agile methodologies
- Good knowledge of databases like MySql, SQL. Ability to write optimized SQL queries and good knowledge of Stored Procedures.
- Sound knowledge of testing frameworks like NUnit, XUnit or MS test.
- Strong attention to detail
- Basic understanding of MultiThreading concepts
- Sound knowledge of Linq.
- Proven knowledge of WCF or Restful Web service creation
- Basic knowledge of frontend scripting languages like JavaScript, jQuery
- Sound knowledge of Design principle, OOPs concepts & Solid Principle
- Sound knowledge of Entity framework
- Experience with GitHub, Tortoise SVN Version Control
- Strong attention to detail
- Knack for writing clean, readable, and easily maintainable code
- Sound analytical, problem-solving, and communication skills.
Responsibilities
- Translate application storyboards and use cases into functional applications
- Design, build and maintain efficient, reusable, and reliable code
- Ensure the best possible performance, quality, and responsiveness of applications
- Identify bottlenecks and bugs, and devise solutions to mitigate and address these issues
- Help maintain code quality, organization, and automatization
- Utilizing Microsoft's .NET infrastructure to create software solutions that meet clients' requirements.
- Collaborating with coworkers to facilitate the creation of large, complex developments, as required.
- Reformulating existing code to ensure adherence to stipulated guidelines.
- Checking your code to detect and remedy errors and omissions.
- Testing your outputs to ensure that they are in excellent working order.
- Deploying developments and monitoring uptake by the target audience.
- Using clients' feedback to inform the creation of subsequent versions of each development.
- Remaining abreast of coding and technological changes that will impact your work.
Job Description - Intelizest
Back End Engineer
- Work with other engineers to develop and test tools and applications used by team on daily basis
- Play a significant role in the ongoing evolution and refinement of current tools and applications
- Triage, troubleshoot, escalate and provide resolution to production issues.
- Reproduce, document and escalate product defects to the Engineering Team.
- Provide well-thought out and reliable direction, both in technical and non-technical terms, to help customers.
- Take ownership of customer issues, including initial troubleshooting, identification of root cause and issue resolution or escalation.
- Identify and escalate priority issues that need immediate attention.
- Collaborate with cross functional teams which requires strong presentation skills and attention to details
- BA/BS degree in Computer Science or related technical field or equivalent work experience. MS degree is preferred.
- 9+ years development experience in JAVA (using OO Design and Analysis, Design Patterns, etc.)
- High experience in Java 8 Required.
- 4+ years’ experience building highly scalable, distributed and reliable Restful Web Services using Spring, Jersey, etc.
- Should have knowledge on Cloud applications preferably on AWS.
- Knowledge on building Front end applications using JavaScript, AngularJS, HTML5, CSS3.
- Experience with relational DBs like MySQL and NoSQL Database like MongoDB, Solr/Lucene will be a plus.
- Experience with Tomcat, Jax-RS, REST, JPA, IntelliJ, Groovy, Hibernate is must.
- Experience with build technologies like Gradle, Jenkins will be a plus.
- Experience with Test Driven Development using TestNG/Junit testing frameworks.
- Experience working with version control like GIT.
- Salary commensurate with experience.


- 6 to 8 years of experience with the majority as Java engineer
- Strong hands-on experience on building the application using technologies Java, Spring/Springboot/Microservices
- Experience in building Micro Services using Spring Boot would be a plus
- Strong knowledge and experience with SQL queries and databases like Postgre SQL/Oracle.

Requirements:
- Solid experience in Java or Golang
- Good to have exposure to ML
- Should have experience in cloud computing
- Has an ability to quickly learn and contribute in multiple codebase
- Overcomes roadblocks and requires minimal oversight
- Takes initiatives to fix issues/tech debts before assigned to him/her
- Able to deep dive into codebase and advise QA of possible regression impact
- Communicates tech decisions through design docs and tech talks
- Has delivered projects with end-to-end accountability
- Keeps track of industry trends and introduces right tech/tools for a given job
- Excellent understanding of software engineering practices, Design Patterns, Data Structures, Algorithms
- 4+ years of experience in product driven organisation
- A Bachelors or Masters degree in engineering from a reputed institute (preferably IITs, NITs, or other top engineering institutes)
2. Can do tech design and understand complex architecture
3. Follow best coding practices

