
Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore/Mumbai 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. - 3 to 8 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 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.

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 Summary:
We are looking for a highly skilled and experienced Java Backend Developer with 4.5+ years of hands-on experience in backend development, system design, and API integration. You’ll play a key role in designing and building high-performance backend systems that are scalable, secure, and reliable. As a core member of the engineering team, you’ll collaborate closely with product owners, architects, and other developers to deliver quality solutions.
Responsibilities:
- Design and develop backend components, REST APIs, and microservices using Java and Spring Boot.
- Contribute to the architectural decisions and system design discussions.
- Write clean, efficient, and testable code following best practices.
- Optimize application performance, scalability, and reliability.
- Integrate third-party APIs and work with external systems.
- Participate in code reviews, mentor junior developers, and support the team’s technical growth.
- Work closely with DevOps to support CI/CD pipelines and deployments.
- Troubleshoot and resolve complex issues in production and non-production environments.
- Keep up with industry trends and advocate for best practices in backend development.
Required Skills:
- 4.5+ years of hands-on experience in backend development with Java (Java 8 or above).
- Strong expertise in Spring Framework (Spring Boot, Spring MVC, Spring Data).
- Experience designing and consuming RESTful APIs and working with microservices architecture.
- Solid understanding of relational and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).
- Proficient with version control systems like Git and tools like Maven or Gradle.
- Familiarity with Docker, containerization, and cloud platforms (AWS/GCP/Azure).
- Experience with unit testing and integration testing (JUnit, Mockito, etc.).
- Good knowledge of software design principles, data structures, and algorithms.
- Excellent problem-solving skills and attention to detail.
Java Developer Requirements
· Minimum 7 to 15years of experience in Java/J2EE
· Outstanding skills in Java Struts, JSP, Hibernate
· Capability to understand DB design, SQL queries
· Experience in JavaScript, JQuery, JSON and AJAX
· Strong Object Oriented Analysis and Design skills
· Knowledge in source version control such as GIT
· Understanding on Agile methodologies
No of Opening: 7
Location: Chennai/Madurai (WFO)
· Degree in Computer Science or related field.
· Experience with user interface design, database structures, and statistical analyses.
· Analytical mind-set and good problem-solving skills.
· Excellent written and verbal communication.
· Good organizational skills.
· Ability to work as part of a team.
· Attention to detail.
- 2+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 4+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
- Role: IoT Application Development (Java) Skill Set:
- Proficiency in Java 11.
- Strong knowledge of Spring Boot framework.
- Experience with Kubernetes.
- Familiarity with Kafka.
- Understanding of Azure Cloud services.
1 Experience: 3 to 5 years Location: Bangalore ; Notice period : Immediate Joiners
- Job Description: We are seeking an experienced IoT Application Developer with expertise in Java to join our team in Bangalore. As a Java Developer, you will be responsible for designing, developing, and deploying IoT applications. You should have a solid understanding of Java 11 and the Spring Boot framework. Experience with Kubernetes and Kafka is also required. Familiarity with Azure Cloud services is essential. Your role will involve collaborating with the development team to build scalable and efficient IoT solutions using Java and related technologies.


Roles and Responsibilities
Experience in full cycle implementation of software development projects using .NET 4.0 and above, C#, ADO.NET, ASP.NET, MVC / .Net Core
Experience in developing of Web API and RESTful web services. Experienced with client-side programming HTML, CSS, AJAX.
Experience with Entity frameworks and Dappers Programming skills on SQL Server with strong database design.
Desired Candidate Profile
1+ years of software development experience .Net Development, C#, ASP.Net MVC
Dot Net core expertise is a must
Strong working knowledge of SQL Server, C#, JavaScript and JQuery
Strong working knowledge of .NET MVC LATEST VERSION
Strong working knowledge of ENTITY FRAMEWORK
Excellent written and verbal interpersonal skills for coordinating across teams
Deep experience and expertise with designing, implementing, testing and deploying sophisticated .Net applications
Keenness to learn and master new technologies and techniques
Excellent software development skills with very sound logic


Experience: 5+ Years
An Architect is a hands-on, talented, innovative, and practical individual with functional experience to design, implement and support the delivery of core products and product components.
- Capable of working under minimal direction and exercising considerable latitude, they will provide technical expertise in developing solutions to complex software engineering problems, which require frequent use of ingenuity and creativity.
- Experienced in designing application framework solutions, performing architectural analysis, and identifying issues and provide solutions for the business problems.
- Sound functional knowledge of application architecture service architecture, code modularity, data synchronisation, customisable workflow management, partner application integration and API developer frameworks.
- Responsibilities:
- Lead the design and development of new architecture and major functional upgrades for the most advanced capabilities
- Provide technical guidance and mentorship to engineers, designers, and developers.
- Engage cross-organizational teams such as Product Management, Integrations, Services, Support, and Operations, to ensure the success of overall software development, implementation, and deployment.
- Requirements:
Ideal candidate should have
- 7+ years of system implementation experience
- Experience with any of the following languages like Java / Nodejs / ROR / Python
- Expertise in micro service / Data modelling / AWS / Messaging
- Expertise in building scalable & reliable systems
- Good Experience in working with technologies like AWS, Redis,
- Experience in messaging systems like SQS/RabbitMQ
- Good knowledge of caching, Databases, distributed systems.
- Strong problem solving and analytical skills
- Good experience with Devops


Work Location: Indira Nagar, Bangalore
Work Days: Sunday to Thursday OR Monday to Friday
Shift: Day Time
Week Off: Friday & Saturday OR Saturday & Sunday
JD:
Development of applications in Java including:
Building data processing platforms.
Developing micro service-oriented applications (Mandatory).
Interact with stakeholders of the applications being developed.
Desired Candidate Profile:
Must have experience in Java JEE, Spring Framework, Microservices (Mandator)
Experience in SQL and JDBC
Experience in build tools Maven, git
Experience in Cloud Platforms AWS, Azure is a plus.
Location:-Gurgaon
Currently WFH
Exp with Product based organisation only
Exp Required:- 3 to 9 yrs
Responsibilities
- Work with a talented team to invent, design and build software that is stable and perform ant
- Primary role will be quality and timely delivery of the application/ feature/ module your team will be working on
- Adopt and execute good design philosophy and code writing practices
- Ensure the code goes through rigorous tests and quality checks before deployment.
- Work with other software engineers and database engineers to set excellent development practices and deliver innovative changes in new and existing products.
- Be hands-on technical, thus, leading by example using web, mobile and database technologies.
- Work on project ideas with customers, stakeholders and peers
- Be actively involved in code review process, design discussions, team planning
Basic Qualifications
- Bachelor's degree in Computer Science, Software Engineering, or a related technical discipline
- Experience in software design and development
- Proficiency with at least one Object Oriented language (e.g. Java)
- Computer Science fundamentals in object-oriented design, data structures, algorithm design, problem-solving, and complexity analysis
- A strong track record of project delivery for large, cross-functional projects
- Experience with building high-performance, highly available and scalable distributed systems
- Experience with API Design, ability to architect and implement an intuitive customer and third-party integration story
- Ability to think and analyse both breadthwise (client, server, DB, control flow) and depth-wise (threads, sessions, space-time complexity) while designing and implementing services

