
We are looking for a Java Backend Developer to join our team. You will be responsible for developing and maintaining the server-side logic and databases of our applications, ensuring they run smoothly and efficiently.
Responsibilities:
- Write and maintain server-side code using Java.
- Develop and integrate APIs to support frontend functionality.
- Work with databases to store, retrieve, and manipulate data.
- Troubleshoot, debug, and optimize backend performance.
- Collaborate with frontend developers to integrate backend and frontend systems.
- Write unit tests to ensure code quality.
Required Skills:
- Strong experience with Java.
- Familiarity with Spring Boot or other Java frameworks.
- Knowledge of relational databases (e.g., MySQL, PostgreSQL).
- Understanding of REST APIs.
- Experience with version control systems (e.g., Git).
- Basic knowledge of unit testing (e.g., JUnit).
Preferred Skills:
- Familiarity with Microservices and cloud platforms.
- Experience with Docker and containerization.

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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We are looking for passionate people who love solving interesting and complex technology challenges, who are enthusiastic about building an industry first innovative product to solve new age real world problems. This role requires strategic leadership, the ability to manage complex technical challenges, and the ability to drive innovation while ensuring operational excellence. As a Backend SDE-2, you will collaborate with key stakeholders across the business, product management, and operations to ensure alignment with the organization's goals and play a critical role in shaping the technology roadmap and engineering culture.
Key Responsibilities
- Strategic Planning: Work closely with senior leadership to develop and implement engineering strategies that support business objectives. Understand broader organization goals and prepare technology roadmaps.
- Technical Excellence: Guide the team in designing and implementing scalable, extensible and secure software systems. Drive the adoption of best practices in technical architecture, coding standards, and software testing to ensure product delivery with highest speed AND quality.
- Project and Program Management: Setting up aggressive as well as realistic timelines with all the stakeholders, ensure the successful delivery of engineering projects as per the defined timelines with best quality standards ensuring budget constraints are met. Use agile methodologies to manage the development process and resolve bottlenecks.
- Cross-functional collaboration: Collaborate with Product Management, Design, Business, and Operations teams to define project requirements and deliverables. Ensure the smooth integration of engineering efforts across the organization.
- Risk Management: Anticipate and mitigate technical risks and roadblocks. Proactively identify areas of technical debt and drive initiatives to reduce it.
Required Qualifications
- Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.
- 1-3 years of experience in software engineering
- Excellent problem-solving skills, with the ability to diagnose and resolve complex technical challenges.
- Proven track record of successfully delivering large-scale, high-impact software projects.
- Strong understanding of software design principles and patterns.
- Expertise in multiple programming languages and modern development frameworks.
- Experience with cloud infrastructure (AWS), microservices, and distributed systems.
- Experience with releational and non-relational databases.
- Experience with Redis, ElasticSearch.
- Experience in DevOps, CI/CD pipelines, and infrastructure automation.
- Strong communication and interpersonal skills, with the ability to influence and inspire teams and stakeholders at all levels.
Skills:- MySQL, Python, Django, AWS, NoSQL, Kafka, Redis, ElasticSearch
Location: Mumbai, Maharashtra, India
Desired Experience: 3+ years
Roles and Responsibilities :
We are seeking an experienced Java Engineer to join our team. The ideal candidate will be responsible for designing and developing scalable applications using Java and related frameworks.
Core Accountabilities:
- Design and develop high-quality Java applications using best practices and design patterns Write clean, maintainable, and testable code using Java and related frameworks
- Collaborate with cross-functional teams to develop and deploy applications
- Develop and maintain continuous integration and continuous deployment pipelines using Git and related tools
- Troubleshoot and debug applications in production and development environments
- Stay up-to-date with emerging trends and technologies in software engineering and Java development
Experience required :
- Bachelor's degree in Computer Science or a related field
- 3+ years of experience in developing applications using Java and related frameworks
- Strong experience in Core Java, Spring Framework, Hibernate, and related Java frameworks
- Experience in working with Git for version control and collaboration.
Additional optional requirements
- Knowledge of AWS services
- Experience in working with NoSQL databases such as MongoDB and Cassandra
- Experience in other programming languages such as Python and Node.js
Skills required :
- Excellent problem-solving skills and ability to work in a fast-paced environment Strong communication and collaboration skills
Hi,
We are hiring for the position of Java Tech Lead. Please find below the details for the same.
A passionate developer who has a strong working knowledge of OOPS and functional programming
principles. Standard Definitions and abbreviations don't entice us that much.
Key skills:
• Strong Java and J2EE background with 5-7 years of experience.
• Strong working experience in Multi-Threading, Exception Management and the Use of Collections.
• Sound knowledge of working with application aspects i.e., Caching, Asynchronous APIs, Logging etc.
• Experience with web application frameworks like Spring Boot or Dropwizard.
• Unit Testing is an everyday affair and hence demands very good unit testing skills using tools like Junit & TestNG.
• Understanding of relational databases, RESTful services, and build tools like Maven & Gradle
• Knows what and when to mock and has used frameworks like Mockito/Power Mock.
• Understanding of message queues such as ActiveMQ, Kafka, and RabbitMQ.
• Version Control is treated as important as programming skills. Fluent with version control tools like Git and Bitbucket.
• Exposure to Agile/Scrum, TDD not in theory but in practice.
• Experience with Continuous Integration, Continuous Deployment, Static Code Analysis, Jenkins and SonarQube.
• Willingness to take ownership of the technical solution and ensure technical expectations of deliverables are met.
• Strong communication skills along with the ability to articulate technical designs and concepts.
• Exposure to cloud and containerization would be a plus.
• Hands-on experience in application development in an enterprise setup.
• Have a good understanding of Distributed Application Architecture.
Experience: 2 to 8 Years
Job Description
- Technical Skills requirement : JAVA, Multithreading, OOPS, Data Structure, Karaf.
- Total experience required should be around 2 to 8 years.
Job Description :
- Strong development skills in Java JDK 1.7 or above.
- Knowledge of Java 8 features and Multithreading is a must-have.
- Should have a strong acumen in Data Structures, Algorithms, problem-solving and LogicalAnalytical skills.
- Thorough understanding of OOPS concepts, Design principles and implementation of different type of Design patterns.
- Sound understanding of concepts like Exceptional handling, SerializationDeserialization and Immutability concepts, etc.
- Experience with Multithreading, Concurrent Package and Concurrent APIs Basic understanding of Java Memory Management (JMM) including garbage collections concepts.
- Experience in RDBMS or NO SQL databases and writing SQL queries (Joins, group by, aggregate functions, etc.)
• Experience working with SQL databases, query optimisation and designing schemas
• High coding standards - understanding of test coverage best practices & test pyramid concept.
• Design, analyze, code, test, and deploy applications to satisfy business requirements for large, complex projects.
Requirements:
Spring Boot + Google Cloud Exp 4+ Years Strong Spring 4+ Years Restful 4+ Years J2EE 4+ Years Core Java 4+ Years
- Must have hands-on experience in Java 8 or higher / J2EE
- Understanding of Agile and Lean software development processes and practices.
- Experience in Spring Boot and other spring frameworks
- Experience in developing web applications using Spring MVC
- Experience in MongoDB/ Kafka / RabbitMQ
- Microservices
- Collaborate with other team members and stakeholders
- Mandatory Skills: Core Java, Spring/Spring Boot, REST, Hibernate
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¡ Solid Design and Architecture skills. Experience in the designing, development, and deployment of large-scale enterprise applications with multiple tiers. |
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¡ Ensure agile test-driven development for robustness, usability, reliability, security and performance. |
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¡ Expert in Core JAVA and Spring Boot and other Spring libraries, Eureka, Hystrix etc. |
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¡ Experience creating architecture or developing web services to integrate applications with databases such as Oracle, MySQL, MongoDB, or Cassandra |
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¡ Solid understanding of OOPS, algorithms and data structures. |
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¡ Experience on Kafka / Scala / Storm / Elastic Search and Web Services like RESTful / SOAP. |
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¡ Extensive experience with version control systems (Git is preferred) and issue tracking systems (JIRA is preferred) |

Expertise in springboot framework of java.
Company has been growing rapidly and is now looking to hire some of the best tech minds in India as part of its Technology Team.
We're looking for individuals who are not just technically brilliant but also excited about the opportunities
that are presented by the huge Education Technology Market across the globe.
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applications in support of end user’s requirements. Works on problems of relatively |
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complex scope, through general usage of standard concepts and principles and |
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applications of own judgement. Responsible for delivering results that have direct impact |
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on the achievement of results within the job area as an Individual Contributor. |
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Responsible for driving and leading the analysis, design, development activities on |
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Responsibilities: |
assigned projects. |
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- Involved in entire SDLC lifecycle including analysis, development, fixing and monitoring of issues on the assigned product lines.
- Meets and exceeds standards for the quality and timeliness of the work products.
- Implements, unit tests, debugs and leads integrations of complex code.
- Identify opportunities for further enhancements and refinements to best practices, standards and processes.
- Ensure robust, securely accessible, highly available and highly scalable product that meets or exceeds customer and end-user expectations
Experience
Technical Duties & Responsibilities
3 – 6 Years
With 2-4 years of experience in Scalable Architecture development. We are looking for Independent Contributors, who have good understanding of Microservices based architecture, and a comprehensive awareness of various architectures & their suitability as per product requirements: -
- Can solve problems independently, be responsible for the requirement analysis and design implementation of important business modules, and be familiar with the online deployment environment, able to independently analyse and quickly troubleshoot online faults.
- Familiar with JAVA programming principles, understand their advanced features and class libraries, network and server programming, multi-threaded programming, common open source products
- Experience in SOA EIP using Apache Camel Spring Integration
- High quality coding ability, reusability, low coupling, scalability, high performance, maintainability, high security
- Have the architectural design capabilities of modules and subsystems, master common architectural design methods and patterns
- Understand SOA, event-driven, distributed system principles, large-scale network application structure, message middleware, caching, load balancing, clustering technology, data synchronization, NoSQL
- Have the project experience of RabbitMQ or Kafka
- If the candidate has air fare industry experience, might be priority








