
JOB DESCRIPTION
Experience: 3-8 years
Location- Mumbai
Wissen Technology is now hiring for a Java Developer - 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. - 3-8 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
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 Description:
- He / She candidate must possess a strong technology background with advanced knowledge of Java and Python based technology stack.
- Java, JEE, Spring MVC, Python, JPA, Spring Boot, REST API, Database, Playwright, CI/CD pipelines
- * At least 3 years of Hand-on Java EE and Core Java experience with strong leadership qualities.
- * Experience with Web Service development, REST and Services Oriented Architecture.
- * Expertise in Object Oriented Design, Design patterns, Architecture and Application Integration.
- * Working knowledge of Databases including Design, SOL proficiency.
- * Strong experience with frameworks used for development and automated testing like SpringBoot, Junit, BDD etc.
- * Experience with Unix/Linux Operating System and Basic Linux Commands.
- * Strong development skills with ability to understand technical design and translate the same into workable solution.
- * Basic knowledge of Python and Hand-on experience on Python scripting
- * Build, deploy, and monitor applications using CI/CD pipelines, * Experience with agile development methodology.
- Good to Have - Elastic Index Database, MongoDB. - No SQL Database Docker Deployments, Cloud Deployments Any Al ML. snowflake Experience
Experience: 2-8 years
Skills
* Hands-on development skills in Java8 features like Streams, Lambda expressions, Enhanced for loops, Parallel processings, etc.
* Hands-on development skills in Springboot, Microservices & JPA/Hibernate.
* Experience in designing, analyzing and troubleshooting large-scale distributed systems.
* Experience in any Java based rule engine implementation for workflows.
* Experience in Dockers, ElasticSearch, Messaging and any RDBMS.
* Experience with Swagger, Git, Jenkins & Maven.
* Experience with any of Nosql databases.
JOB DESCRIPTION:
Location: Pune, Mumbai
Mode of Work : 3 days from Office
DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API
- Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
- Implement and integrate APIs using Spring Framework and Apache CXF.
- Build microservices-based architecture for scalable and distributed systems.
- Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
- Optimize performance through efficient multithreading, memory management, and algorithm design.
- Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
- Work with RDBMS (preferably Sybase) for backend data integration.
- Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
- Work in Unix/Linux environments for deployment and troubleshooting.
Experience: 3-10 Years
Qualification- Graduation: Bachelor of Science (B.Sc) / Bachelor of Technology (B.Tech) / Bachelor of Computer Applications (BCA)
Post-Graduation: Master of Science (M.Sc) /Master of Technology (M.Tech) / Master of Computer Applications (MCA)
Roles and Responsibilities:
- Must have experience in Microservice architecture with the ability to collaborate effectively with team members and build positive working relationships.
- Design and build and deploy APIs to meet business requirements.
- High level of commitment to business satisfaction and agility.
- Strong work ethic and a passion for the role, with a positive attitude and a willingness to learn.
- Communicate effectively with the tech lead to thoroughly understand the requirements and highlight any blockers immediately.
- Handle programming and software development, including requirement gathering, bug fixing, testing, documenting, and implementation.
- Work in an agile environment to deliver high-quality solutions.
- Understand and implement Security, Logging, Auditing, Policy Management, and Performance Monitoring.
- Familiarity with relational databases (E.g.: Oracle), non-relational databases (E.g.: MongoDB), MSK Kafka, Docker, Kubernetes, and CICD Technologies (Jenkins, GitHub, Maven)
Job Title: Java Developer
Experience Required: Minimum 3 Years
Location: Jaipur (Jagatpura) – On-site
Employment Type: Full-Time
Joining Preference: Immediate joiners highly preferred
About Deqode
Deqode is a technology-first company focused on solving complex enterprise challenges using cutting-edge technologies. We offer a collaborative, innovation-driven environment that empowers engineers to grow and contribute to impactful projects.
Job Summary
We are seeking a skilled Java Developer with 3+ years of experience to join our dynamic engineering team at our Jaipur office. The ideal candidate will have strong experience with Java, Spring Boot, Microservices architecture, and Kafka, along with exposure to cloud environments and container orchestration tools.
Mandatory Criteria
- Strong experience in Java, Spring Boot, and Microservices
- Must be based in Jaipur or open to relocating immediately
- Preference for immediate joiners
Key Responsibilities
- Take end-to-end ownership of development tasks with minimal guidance.
- Participate in the full software development lifecycle including design, development, testing, deployment, and support.
- Write clean, maintainable, and testable code following best practices and coding standards.
- Review code, provide constructive feedback, and contribute to improving team efficiency and code quality.
- Collaborate with cross-functional teams like frontend developers, QA, Product Managers, and third-party service providers to resolve dependencies and drive delivery.
- Ensure implementation of proper unit testing and maintain code coverage as per defined standards.
- Support and resolve production issues promptly to ensure high system availability.
Must-Have Skills
- Bachelor's degree in Computer Science or a related field
- Minimum of 3 years of professional experience in backend development using Java
- Expertise in Spring Boot and RESTful APIs
- Solid experience working with Microservices architecture
- Hands-on experience with Netflix OSS or Spring Cloud
- Working knowledge of Kafka for messaging and event-driven architecture
- Proficient in writing JUnit test cases and achieving code coverage goals
- Hands-on experience in CI/CD tools and pipelines (Jenkins, GitLab CI, etc.)
Basic Qualifications:
- 3+ years of non-internship professional software development experience
- Programming experience with at least one modern language such as Java, C++, or C# including object-oriented design
- 1+ years of experience contributing to the architecture and design (architecture, design patterns, reliability and scaling) of new and current systems.
Additional Job requirements
- BS/MS/PhD in Computer Science/Math or equivalent
- BS in computer science or related field.
- 2+ years of relevant professional software development experience: designing, developing, and delivering software written in Java, C#, or C++, web development.
- Knowledgeable in object-oriented design patterns.
- Experience building highly scalable and distributed systems
Preferred Qualifications
- Experience with service-oriented architecture and application/services development
- Passion for performance debugging and benchmarking
Ability to clearly and concisely communicate with technical and non-technical stakeholders across all levels of the organization
-B2B-ACCELERATOR, Hybris back-office, Hybris Frontend WCMS cockpit, product
cockpit, Hybris, Hybris core, Hybris Commerce, Hybris Search
Experience working on Java, J2EE, Spring, Web Services (SOAP, REST), Design
Patterns, Apache, Tomcat, Build Tools- Ant/Maven/Jenkins, SCM Tools
CVS/SVN/GIT Hub
Knowledge of one or more modules: HYBRIS-OCC, HYBRIS-PIM, HYBRIS-
PROMOTIONS
Additional skills in SOA, ESB, JMS
Passionate about writing world-class code
High level of commitment to client satisfaction and agility
Collaborate with others and build positive working relationships
Possess a strong work ethic
Strong written and verbal communication skills
- Strong fundamentals in data structures, algorithms.
- Strong fundamentals in Core Java/J2EE.
- Familiarity with any one of Spring, Struts, Hibernate frameworks.
- Familiarity with code design principles, patterns, and best practices in java.
- Understanding of SQL and NoSQL databases.
- IDE/Tools - Eclipse, NetBeans, Ant, Maven, Gradle
- Web Technologies - XML/XSD, HTML 5.0, CSS 3.0, JavaScript, JQuery, YUI
- Configuration Management - GIT, Subversion SVN
- Active participation in one or more open-source projects is a strong plus
- Familiarity with the AWS cloud ecosystem is a strong plus.
- OCJP certified will be an added advantage.
- Hands-on with *Unix/Windows based systems.
Position Responsibilities:
1. Design, implementation, and deployment of applications
2. Expert knowledge in performance, scalability, enterprise system architecture, and engineering best practices.
3. Functionally decompose complex problems into simple, straight-forward solutions.
4. Work extensively with cross-functional teams across.
5. Work with the business team and project managers to convert functional requirements into detailed technical specifications.
6. The ideal candidate will be a leader, builder, and operator. He/she should be able to operate in a very fast-paced environment where time to hit the market is supercritical.
Desired Candidate profile:
1. A Bachelor's/Master’s degree in Computer Science or equivalent combination of technical education from Elite College or institution and work experience.
2. 4+ years of Software Development experience.
3. Excellent object-oriented design and coding skills (Java, C++ on a UNIX or Linux platform).
4. Very strong software development background including design patterns, data structures, test-driven development.
5. Ability to design and implement systems end to end on your own while maintaining highest coding standards.
6. Excellent knowledge of design patterns and ability to reflect it in their code.
7. Ability to lead projects and mentor junior engineers on the same.
8. Mandatory work experience in skills sets: REST API, JDBC, RDBMS (PostgreSQL, MySQL)
9. Solid Experience with distributed (multi-tiered) systems, algorithms, and relational databases.
10. Software development experience in Servlet, JSP, Spring, AWS, S3, SQS, building web services and highly scalable applications or Google Cloud Suite.
11. Excellent verbal and written communication skills.
Job Description
Primary Skills
- Server Side (Java) & AWS serverless framework.
- Must have hands-on experience on serverless framework.
- Design knowledge/experience of cloud-based web application. Familiarity with software design representation tools like astah, visio etc.
- Must have good experience on AWS (Overall knowledge, EC2 Volume, EC2 Security Group, EC2 AMI, Lambda, S3, AWSbackup, CloudWatch, CloudFormation, CloudTrail, IAM, SecretsManager, StepFunction, CostExplorer, KMS, VPC/Subnet)
- Understanding business requirements w.r.t UI/UX.
- Working experience on development/staging/production servers.
- Good testing and verification skills
- Knowledge on SSL certificates and encryption.
- Knowledge on Docker containerization.
Soft Skills
- Excellent interpersonal, oral and writing communication skills.
- Strong Analytical and Problem-solving skills.
- Should have skills to understand and analyzecustomers requirements and expectations.
- Must have experience in interaction with customer
- Work experiences with international cross-culture teams (Good to have)
Secondary SKills
- Scripting using Python
- Good to have knowledge of identity management
- UI/UX
- Knowledge of ReactJS/typescript/bootstrap
- Understanding business usecases w.r.t UI/UX
- Fixing issues wrt to integration on cloud(front end/back end/system/services APIs)









