
JD
· Minimum 4-18 Years of Core Java Programming with spring boot Framework,Design patterns Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, Hashmap, HashTable, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object Oriented Concepts and Data Structures
Location - Only Bangalore
Notice period - Immediate or Serving

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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Java Developer – Job Description
About the Role
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. This is a brilliant opportunity to become a part of a highly motivated and expert team that has made a mark as a high-end technical consulting organization.
Required Skills
- Experience: 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 client-facing applications
- Good development experience with RDBMS
- Good knowledge of multithreading 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.
Your Impact:
• Implements Digital Consumer experiences based on a foundation of SFCC (Salesforce commerce cloud) to meet expected quality standards
• Ensures functional requirements and high-level solution designs are understood and are translated into detailed technical design
• Implement proofs of concept to prove any new technologies, application flows or integration scenarios and identify customizations needed to SFCC platform for meeting client requirements
• Guides the performance tuning and scalability of the ecommerce solution
• Diagnose and solve technical problems during implementation and support phases
Your Skills & Experience:
• 1-3 Years with 2+ years of implementing commerce application on any eCommerce platform in last 3 years
• If you have not worked in eCommerce platform, we can still discuss with you if you are expert in Java/.Net and understand REST/SOAP webservices.
• Demonstrate proficiency in build and release management using CI/CD strategies (leveraging tools like Jenkins and DevOps practices), implement Mocha/Chai unit and functional test cases in order to reduce costs while ensuring quality
• Contributes to designing, implementing and documenting the build release process as well as system configuration and deployment characteristics of the applications
• Participates in technical walkthroughs/ code reviews of other team members’ components, test plans and results and help them with gaps
• Collaborate with architect to define implementation processes and quality gates and standards
• Identifies risks and issues, and help monitor them
• Guides the development of reference and resource materials
• Mentors developers in improving their platform knowledge and development skills
• Communicate technical design to the developers and help/guide them in the implementation
• Participates in Agile sprints
Set Yourself Apart With:
• eCommerce platform certification
Location: Pan India (Hyderabad / Chennai preferred)
Responsibilities
- Develop and maintain SOA-based process applications using JBPM.
- Define and model business processes using BPMN 2.0 on a BPM platform.
- Write clean, efficient, and maintainable code, ensuring best practices in configuration management and code refactoring.
- Collaborate with cross-functional teams to define and implement solutions to business process needs.
- Perform code reviews, troubleshoot issues, and provide innovative solutions.
- Work on UI development and integrate with backend systems.
- Deploy and maintain applications on servers like WebLogic, WebSphere, Apache Tomcat, or Jetty.
- Stay updated with new technologies and tools to improve development efficiency.
Key Requirements
- 4+ years of professional experience in building applications.
- Strong development experience with BPM engines, specifically JBPM (mandatory).
- Hands-on experience in SOA-based process applications.
- Proficient in Java, JSP, Servlets, SQL, and frameworks like Struts/Spring/Hibernate/MyBatis.
- Knowledge of HTML5, CSS, JavaScript languages.
- Familiarity with BPMN 2.0 and querying BPM APIs.
- Experience with application servers like WebLogic, WebSphere, Apache Tomcat, or Jetty.
- Strong problem-solving skills and excellent communication abilities.
Java developer roles will vary greatly depending on companies and job positions. Here are some typical roles and responsibilities of java developers:
- Contribute to all stages of software development lifecycle
- Design, implement and maintain Java-based applications that can be high-volume and low-latency
- Analyze user requirements to define business objectives
- Envisioning system features and functionality
- Define application objectives and functionality
- Ensure application designs conform with business goals
- Develop and test software
- Identify and resolve any technical issues arising
- Create detailed design documentation
- Propose changes to current Java infrastructure
- Develop technical designs for application development
- Develop multimedia applications
- Write well designed, testable code
- Conducting software analysis, programming, testing, and debugging
- Manage Java and Java EE application development
- Develop documentation to help users
- Transforming requirements into stipulations
- Prepare and produce releases of software components
- Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review
- Contribute in all phases of the development lifecycle all the way to production
- Write good design, testable, efficient code
- Support continuous improvement by investigating alternatives and technologies and presenting them for architectural review
- Ask questions! Ask and challenge with suggestions and idea
What Will Make You Successful
- Degree in computer sciences, coding, or a related field
- At least 4 years' experience in Java-based programming
- Significant coding skills in Java
- Significant experience with Spring, JPA, Hibernate, Elasticsearch frameworks
- Significant experience with SpringBoot related frameworks
- Significant experience with Kubernetes
- Significant experience with HELM charts
- Experience with Databases
- Experience with Linux
- Problem-solving and analytical abilities
- Experience with performance investigation and improvements
- Excellent written and verbal communication
- Ability to work with a team and independently
Designation : Technical Lead/ Architect – Java
Experience: 6+ yrs
Location: Noida
Skills- Must have: Architect exp, design, Strong on Java, cloud, latest tech stacks, hands-on, problem-solving, communication skills, client handling, sprint planning & execution, micro services, spring
Tech Skills Required:-
-7+ years of design/implementation/consulting experience with distributed applications.
- Experience in infrastructure architecture, database architecture, and networking
- Experience architecting/deploying/operating solutions
- Experience migrating or transforming legacy customer solutions to the cloud
- Working experience on Spring boot / similar frameworks using Java8/11
- Exposure to REST services, web sockets, SOAP services.
- Databases MySQL, PostgreSQL, NoSQL like MongoDB, Cassandra
- Queuing Systems like Rabbit MQ, ActiveMQ, Kafka
- Implemented MicroServices using design patterns like service discovery, circuit breakers, API Gateway, open-tracing.
- Experience in Security standards like OAUTH2.0, UMA, OpenID-connect.
- Hands-on knowledge on container tools like docker, podman
- Excellent in Problem-solving & solutioning
- Excellent communication skills
- Working knowledge on either of the Top 3 cloud solutions
Good to have:-
- gRPC
- Kubernetes/Openshift
- Pivotal Cloud Foundry, PKS
- GitHub profile with commit history.
- Certification equivalent to Solutions Architect.
Must have skills : Experience with Core Java, Microservices, Oracle Database and SpringBoot.
Roles & Responsibility :
- Build new decentralized microservices based on decoupled Kafka architecture
- Thorough understanding of fundamentals including OOP, Design Patterns and Data Structures
- Good knowledge of design principles
- Produce clean, efficient code based on specifications
- Recommend and implement improvements
- Has proven ability to work independently or with minimal supervision
- Drive design discussions while also working with architects if a need arises
Required Skills :
- Experience building software applications professionally using Java.
- Strong understanding of troubleshooting methodologies and root cause analysis
Soft skills required :
- Excellent interpersonal and written communication skills.
- Able to pre-empt, identify and resolve problems that are non-routine or lacking in definition
- Ability to define, implement and work to a schedule
- Good time management skills.
- Attention to detail. Able to work with little or no supervision
- Ability to work with team members across the globe
- Experience with Core Java, Angular and SpringBoot is a plus.
Educational Qualifications : B.E./ ME (CS/EE) / MCA or equivalent higher-level degree
Responsibilities
- You will design and develop large scale distributed services
- You will analyse and improve the efficiency, scalability, stability, and security of the platform as a whole.
- You will act as the primary owner of one or more components while driving innovation in your area of ownership
- You will proactively research & evaluate new tools, technologies, and techniques to improve the value of the system.
- You will work with engineering leadership in solving and architecting solutions for challenging or complex development issues.
- You will work independently and handle dependencies with very minimal oversight
- You will take initiatives in developing and maintaining integrations of best practices within the back-end.
- You will help identify systemic issues, performance bottlenecks and work on design/architect improvements.
Requirements
- You have 1 - 9 years of experience in software development.
- You have designed and scaled up the system.
- You have a strong understanding of Data Structures and Algorithms.
- You are an incessant problem solver and tougher the problem gets, more fun you have.
- You have strong command in any one or more of the following languages: Python and Django
- You understand the business impact of your decisions.
Good To Have
- You have prior experience in fintech companies
Traits We Are Looking For
- Experience in a specific tech stack doesn't matter for us.
- The general engineering mindset and aptitude is what matters more.
- Technically strong and curious.
- Should have a hacker mindset and should love exploring new technologies.
Desired Skills and Experience
Java, Python, Data Structures, Algorithms








