
Job Title: Java Developer
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 14 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.
Connect with the team
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Job Title- Senior Java Developer
Exp Range- 8-10 yrs
Location- Bangalore/ Hybrid
Desired skill- Java 8, Microservices (Must), AWS, Kafka, Kubernetes
What you will bring:
● Strong core Java, concurrency and server-side experience
● 8 + Years of experience with hands-on coding.
● Strong Java8 and Microservices. (Must)
● Should have good understanding on AWS/GCP
● Kafka, AWS stack/Kubernetes
● An understanding of Object Oriented Design and standard design patterns.
● Experience of multi-threaded, 3-tier architectures/Distributed architectures, web services and caching.
● A familiarity with SQL databases
● Ability and willingness to work in a global, fast-paced environment.
● Flexible with the ability to adapt working style to meet objectives.
● Excellent communication and analytical skills
● Ability to effectively communicate with team members
● Experience in the following technologies would be beneficial but not essential, SpringBoot, AWS, Kubernetes, Terraform, Redis
Skills Required:
- Experience of more than 4 to 6 years in software development.
- Very Strong Experience in Core Java.
- Excellent Java Programming skills Experience in Data Structures, Algorithms and Design Patterns.
- Strong in Problem solving, Analytical skill and logical thinking.
- Skill to be trained: java, spring, mango db, cassandra.
- Strong experience in Spring Boot, Restful API
- Looking for shorter notice period candidates only.
Title: Senior Java Developer
Top Skills: Java , Spring boot, Microservices, MYSQL, PL/SQL, NoSQL
Work Mode:- Full time
Location:- Teynampet, Chennai, Tamil Nadu
Employer: Innovating digital experiences with cutting-edge technology, design, and user-focused solutions for global brands
We are seeking a highly skilled and experienced Sr. Java Developer with a proven track record in
delivering high-quality applications. If you're passionate about building modern, scalable, and
robust software solutions, we want to hear from you!
Required Qualifications
7+ years of software development experience with a focus on delivering robust and
efficient solutions.
Strong proficiency in Java and its latest versions and expertise in developing
Java-based applications.
Hands-on experience with relational databases and proficiency in writing complex SQL
queries.
Familiarity with Enterprise Java (J2EE / Java EE / Spring) application architectures.
Demonstrated history of delivering modern, high-cadence applications using:
Agile methodologies and test-driven development (TDD).
CI/CD pipelines for streamlined deployment and updates.
Git version control for collaborative development.
Job Description
Java Developer Transformational Product Experiences .
Preferred Skills
Knowledge of microservices architectures and Domain-Driven Design (DDD).
Working knowledge of Python and JavaScript/Node.js.
Experience with Object-Relational Mappers (ORMs) such as Hibernate or JPA.
Strong Problem Solving skills
Bonus Skills
Exposure to emerging Generative AI technologies and tools like OpenAI APIs and GPT
large language models (LLMs).
Practical experience with MongoDB or other NoSQL, MySQL databases.



Responsibilities:
- Design the architecture of new services to deliver timely communication from server to client and server to server, while still functioning alongside existing server components
- Describe and implement the communications across multiple network layers, considering performance, reliability, and flexibility with respect to the underlying infrastructure
- Enhance and expand the ORM layer of MZ’s in house web framework
- Craft software solutions for supporting flexibility in resource allocation, from compute to storage
- Serve as a technical leader for projects of year-long scope involving multiple contributors and customers
- Consult with technical operations on appropriate Kubernetes-based infrastructure design
- Design for performance, and measure the effects
- Review your colleagues’ code, and learn from their reviews as well
- Identify, document, and communicate best practices for the engineers who use the fruits of your labor
Requirements:
- 7+ years professional work experience
- BS or MS degree in Computer Science or a related technical field
- Must be proactive, self-directed, detailed and organized
- Proficient in PHP, C++, or Go
- Knowledge of relational databases and SQL, preferably MySQL
- Experience with in-memory NoSQL databases, such as Redis
- Ability to debug issues within custom code quickly
- Passion for developing scalable and maintainable software systems
Bonus Points:
- An open-minded and technology-agnostic approach to engineering
- Passion for performance debugging and benchmarking
- Real world experience developing distributed systems
Our client is looking out for an Associate Architect who has strong experience in to Technology
You will be involving in design, coding &scaling the product.
Collaborate with cross functional teams to solve complex problems.
You will be designing large scale distributed system.
Requirements:
8+ years of hands-on experience in developing, designing & scaling complex systems
Programming experience in Java, spring, Hibernate and MongoDb, micro services
Responsibilities:
- Responsible for developing Web Applications/ Rest Apis/ Automation Scripts.
- Design, Develop, Enhance and test Back End Web Modules using Nodejs, Nestjs Framework, Mongo DB.
- Research and explore existing solutions, competition to get a holistic understanding of the design and development.
- Communicate and collaborate effectively with various teams for effective outcomes.
- Meet deadlines in a high intensity work environment.
- Write Highly scalable and stable code.
- Pick up any project & amp; suggest a solution for completing it.
- Write production ready code with minimal bugs.
- Review other engineers' code and provide constructive feedback.
- Help grow the engineering team through involvement in the technology community (conferences, meetups, blog posts, open-source projects, etc) and referrals.
- Monitor changes in production & amp; rollback if necessary.
- Pair often and provide some guidance to more junior engineers.
Requirements:
- 2-6 years of working experience in backend technologies.
- Proficient in NodeJs, NestJs, Js.
- Understanding of Backend End Technologies.
- Proficient in RESTful APIs and API Communications.
- Understanding of Sql and NoSql Databases.
- Good grasp of Asynchronous Programming and its work arounds.
- Database schema Creation for business process.
- Working knowledge in user authentication and authorization.
- Implementing data protection Error Handling skills
- Good at analyzing and solving problems.
- Passionate to work in a start-up.
- Knowledge of firebase authentication and analytics.
- Knowledge of AWS deployment tools and strategy.
- Should be good with the Low Level and High Level Design.
- Understanding of Different Design Patterns.

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What Would You Be Doing
- Building and supporting backend and frontend development of websites and application projects
- Producing appropriate and effective technical solutions
- Working with a wider, distributed technology and project management teams to meet deadlines and maintain a high standard of code quality
- Understanding, defining, and communicating functional and non-functional requirements
- Working with our technical directors and project managers to define, scope, and estimate projects and features
- Working with QA teams to address bugs and ensure our work output is of the best quality
- Excellent written and verbal English communication
- Full exposure to both backend and frontend development on Drupal platforms
- A strong and demonstrable background working with Drupal, especially 8/9
- Experience building custom integrations, services, and modules within Drupal as well as integrating with APIs
- Strong in Data Structure and Algorithm
- Experience with Drupal templating using HTML5, CSS (SCSS is a bonus), and JavaScript and also the Twig templating engine
- Competent with MySQL and optimising query and table performance within a Drupal platform
- Working with cloud platforms like AWS
- BE/B.Tech/MCA with 4+ years of experience in Drupal implementation
- Strong experience in CI/CD processes (Jenkins, pipelines etc.)
- Should have a good understanding of OOPs concept and Design Patterns like
- Good Understanding of workflows

Responsibilities:
- Crawl the internet/intranet for issues people are facing and convert them in to stuctured data that would be consumed downstream.
- Familiar with the software development life cycle (SDLC) from analysis to deployment.
- Comply with coding standards and technical design.
- Adapts structured coding styles for easy review, testing, and maintainability of the code.
- Integrate the developed functionality and/or component into a fully functional system.
- Ensure unit and integration level verification plans are in place and adheres to the great quality of code at all times.
- Actively participate in troubleshooting, debugging and updating current live system.
- Verify user feedback in making the system more stable and easy.
- Work closely with analysts, designers, and other peer developers.
Requirements:
- Bachelor's degree in computer science or equivalent practical experience.
- Understanding of OOPS concepts, Persistence, Threading.
- Good understanding of version control system (GIT).
- Knowledgeable in data structures and algorithms.
- A background in Engineering with sound oral and written communication skills.
- 6+ years of experience working on the server-side.
- Exposure to API designing, scalable architecture, and thorough understanding of systems.
- Great database modeling skills.
- Working knowledge of Databases, both relational (such as PostgreSQL) and in-memory database (such as Redis).
- Good understanding of web stack and how all the pieces fit together.
- Experience with open-source projects.
- Experience in designing interactive applications.



What you'll do:
- Solve complex development problems and produce the highest quality code while striving to push technical boundaries
- Work closely with both external clients and internal, cross-functional product and technical teams to support multiple projects
- Maintain technical design documentation, communicating architectural and design changes to development teams
- Conduct regular design and code reviews, establishing and publishing quality and performance metrics
- Manage and foster a team-oriented environment, providing technical oversight to team members
Basic qualifications:
- Bachelor of Science
- 9+ years of experience working with .NET technologies, with advanced proficiency in C#
- A minimum of 4-5 years working with SQL Server Databases, designing new or altering existing table structures to meet project requirements
- Demonstrated knowledge of enterprise architecture and SOA services
- Strong background in web technologies and architectures
- Technical acumen and understanding of Agile technical practices and how they operate within an Agile organization
- Strong Communication Skills
- Proven ability to build, manage and foster a team-oriented environment
Preferred qualifications:
- Data-driven, analytical approach to problem solving and project management
- Experience working in a product-based IT company and/or banking and financial services company
- Familiarity with multiple implementation standards and methodologies, including Agile
- Experience working with ASP.NET MVC, Entity Framework, LINQ, NoSQL, Message Queue, and building Reusable Libraries


