
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.

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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Key Responsibilities:
· Design, develop, and maintain AEM-based backend solutions, components, and templates.
· Develop custom AEM Sling models, servlets, services, and OSGi components.
· Build and integrate RESTful services and APIs to support frontend and third-party systems.
· Work closely with frontend developers and AEM content authors to support dynamic content delivery.
· Develop automation scripts using Java/Python for data handling, deployment, and reporting needs.
· Implement AEM workflows, user permissions, and version control for content.
· Troubleshoot and resolve technical issues in AEM environments.
· Optimize AEM performance, scalability, and security configurations.
What You’ll Bring:
· Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent work experience.
· Proven experience delivering high-quality web applications.
Mandatory Skills
· 3+ years of experience in AEM backend development.
· Strong hands-on experience with Java, OSGi, Sling, and JCR.
· Experience with Python for backend scripting, automation, or integration tasks.
· Knowledge of AEM architecture including dispatcher, replication agents, and workflows.
· Experience working with AEM APIs, servlets, event handlers, schedulers, and custom components.
· Understanding of REST APIs, JSON/XML data handling.
· Familiarity with Maven, Git, Jenkins, and Agile development practices
Preferred Skills (Nice to Have):
· Exposure to Adobe Experience Cloud tools like Adobe Target, Analytics, Campaign.
· Working knowledge of cloud-based AEM (Adobe as a Cloud Service) is a plus.
· Basic familiarity with frontend technologies (React/Angular/HTL) is beneficial.
Responsibilities :
• Design, code, and implement highly scalable and reliable web-based applications.
• Coordinate with other team’s architect, engineers, and vendors, as necessary.
• Deliver on all phases of development work from initial kick-off, technical setup, application
development, and support.
• Identify exciting opportunities for adopting new technologies to solve existing needs and
predicting future challenges
• Perform ongoing refactoring of code, utilizing visualization and other techniques to fast-track
concepts, and delivering continuous improvement
• Work with product managers to prioritize features for ongoing sprints and managing a list of
technical requirements based on industry trends, new technologies, known defects, and issues
• Manage your own time, and work well both independently and as part of a team
• Quickly generate and update proof of concepts for testing and team feedback
• Embrace emerging standards while promoting best practices
Qualifications :
• Must have java experience
• Experience in computer science, computer engineering
• Web development work experience preferred
• Demonstrated experience in Agile development, application design, software development, and
testing
• Experience with building RESTful APIs
• Expertise in objected oriented analysis and design across a variety of platforms
• Thorough understanding of JSON, Web Service technologies, and data structure fundamentals
• Experience with adaptive and responsive development techniques
• Aptitude for learning and applying programming concepts
• Ability to effectively communicate with internal and external business partners
• Experience with a broad range of software languages and payments technologies is a plus.
As an engineer, you will help with the implementation, and launch of many key product features. You will get an opportunity to work on a wide range of technologies (including Spring, AWS Elastic Search, Lambda, ECS, Redis, Spark, Kafka etc.) and apply new technologies for solving problems. You will have an influence on defining product features, drive operational excellence, and spearhead the best practices that enable a quality product. You will get to work with skilled and motivated engineers who are already contributing to building high-scale and high-available systems.
If you are looking for an opportunity to work on leading technologies and would like to build product technology that can cater millions of customers inclined towards providing them the best experience, and relish large ownership and diverse technologies, join our team today!
What You'll Do:
- Creating detailed design, working on development and performing code reviews.
- Implementing validation and support activities in line with architecture requirements
- Help the team translate the business requirements into R&D tasks and manage the roadmap of the R&D tasks.
- Designing, building, and implementation of the product; participating in requirements elicitation, validation of architecture, creation and review of high and low level design, assigning and reviewing tasks for product implementation.
- Work closely with product managers, UX designers and end users and integrating software components into a fully functional system
- Ownership of product/feature end-to-end for all phases from the development to the production.
- Ensuring the developed features are scalable and highly available with no quality concerns.
- Work closely with senior engineers for refining the and implementation.
- Management and execution against project plans and delivery commitments.
- Assist directly and indirectly in the continual hiring and development of technical talent.
- Create and execute appropriate quality plans, project plans, test strategies and processes for development activities in concert with business and project management efforts.
The ideal candidate is a passionate engineer about delivering experiences that delight customers and creating solutions that are robust. He/she should be able to commit and own the deliveries end-to-end.
What You'll Need:
- A Bachelor's degree in Computer Science or related technical discipline.
- 2-3+ years of Software Development experience with proficiency in Java or equivalent object-oriented languages, coupled with design and SOA
- Fluency with Java, and Spring is good.
- Experience in JEE applications and frameworks like struts, spring, mybatis, maven, gradle
- Strong knowledge of Data Structures, Algorithms and CS fundamentals.
- Experience in at least one shell scripting language, SQL, SQL Server, PostgreSQL and data modeling skills
- Excellent analytical and reasoning skills
- Ability to learn new domains and deliver output
- Hands on Experience with the core AWS services
- Experience working with CI/CD tools (Jenkins, Spinnaker, Nexus, GitLab, TeamCity, GoCD, etc.)
- Expertise in at least one of the following:
- Kafka, ZeroMQ, AWS SNS/SQS, or equivalent streaming technology
- Distributed cache/in memory data grids like Redis, Hazelcast, Ignite, or Memcached
- Distributed column store databases like Snowflake, Cassandra, or HBase
- Spark, Flink, Beam, or equivalent streaming data processing frameworks
- Proficient with writing and reviewing Python and other object-oriented language(s) are a plus
- Experience building automations and CICD pipelines (integration, testing, deployment)
- Experience with Kubernetes would be a plus.
- Good understanding of working with distributed teams using Agile: Scrum, Kanban
- Strong interpersonal skills as well as excellent written and verbal communication skills
• Attention to detail and quality, and the ability to work well in and across teams
Job Responsibilities
✓ Perform the role of Technical Lead on assigned projects to drive solution design (especially backend) and API services development.
✓ Be the thought leader and champion for above mentioned technologies.
✓ Drive technical analysis for new projects including planning and driving proof-of-concepts, if needed.
✓ Drive tasks related to backend development by providing architectural and technical leadership to mid-tier and database developers.
✓ Conduct peer reviews as the lead into Git to confirmed that developed code meets acceptable standards and guidelines.
✓ Work closely with the rest of the leads, mid-tier development, front-end developers, database developers, etc. to ensure end-to-end integrity of the solution being developed.
✓ Work closely with the rest of the tech leads and senior engineering leadership team to ensure reuse where applicable to increase productivity and throughput.
✓ Conduct technical interview to staff open positions in the backend team.
✓ Delegate work and assignments to team members
✓ Collaborate with their team to identify and fix technical problems
✓ Analyze users' needs and then finding applications to serve them
✓ Drive assigned tasks related to SOC 2 certification and ensure compliance to defined controls for areas under lead’s purview.
✓ Guiding their team through technical issues and challenges
✓ Prepare Technical design documents which would help the team to understand the technical flow
✓ Active participation in customer calls especially discussions related to Technical/Architectural and provide inputs.
Required Experience:
✓ Backend Lead around 14 years of experience
✓ Server less Computing Architecture
✓ NodeJS, MySQL, Jenkins, Python, GitLab Technologies
✓ Good knowledge of AWS Cloud
✓ Full cycle AWS implementation experience
✓ Project experience in development and maintenance support for AWS web service and Cloudbased implementations
✓ Experience leading teams of up to 10 + professionals
Ability to manage multiple tasks and projects in a fast-moving environment
Educational Qualifications:
Engineering graduate or B. Tech/MCA with relevant major subjects like Computer Science
Job Location: Pune
Experience: 4- 5 years
Functional Area - IT Software - Application Programming , Maintenance
Role Category : Programming & Design
Requirement / Job Description:
Core Skills:
Strong experience of Core Java (1.7 or higher), OOPS concepts and Spring framework (Core, AOP, Batch, JMS)
Demonstrated design using Web Services (SOAP and REST)
Demonstrated Microservices APIs design experience using Spring, Springboot
Demonstrable experience in Databases like MySQL, PostgreSQL, Oracle PL/SQL development etc
Strong coding skills, good analytical and problem-solving skills
Excellent understanding of Authentication, Identity Management, REST APIs, security and best practices
Good understanding of web servers like Tomcat Apache, nginx or Vertex/ Grizzly, JBoss etc
Experience in OAuth principles
Strong understanding of various Design patterns
Other Skills:
Familiarity with Java Cryptography Architecture (JCA)
Understanding of API Gateways like Zuul, Eureka Server etc..
Familiarity with Apache Kafka, MQTT etc.
Responsibilities:
Design, develop, test and debug software modules for an enterprise security product
Find areas of optimization and produce high quality code
Collaborate with product managers and other members of the project team in requirements specification and detailed engineering analysis.
Collaborate with various stake holders and help bring proactive closure on the issues
Evaluate various technology trends and bring in the best practices
Innovate and come out of the box solutions
Adapt, thrive and deliver in a highly evolving and demanding product development team
Come up with ways to provide an improved customer experience
Job Description - 221135
Cloudera is looking for a highly experienced software engineer with strong expertise in Java development and a specialty in platform architecture to join the Cloudera Lens team.
Cloudera Lens is a high-fidelity, context-rich, and fully correlated self-service observability & optimization tool that analyzes the state and wellness of a customer’s environments and empowers them to proactively discover and address unknown unknowns in their data, scale operations without compromising on performance or costs, and expedite remediation of issues.
As a Java engineer, you will be working in a team of engineers led by an Engineering Manager, collaborating with other engineers and stakeholders in India, United States, and other countries around the globe.
Responsibilities:
- Lead, architecture, design, and implementation of key aspects of the Cloudera Lens data collection, data analytics, data correlations, and recommendations.
- Work with product management, engineering, UX, and documentation teams to deliver high-quality products.
- Interact with partners and customers to help define roadmap and shape the technology.
- Empower team members to deliver high-quality software at a fast pace.
Requirements:
- Proven track record of performance.
- Passionate about software engineering. Clean coding habits, attention to detail, and focus on quality and testability.
- Strong software engineering skills: object-oriented design, data structures, algorithms.
- Experience with containerization orchestration technologies: Kubernetes, Docker.
- Deep knowledge of system architecture, including process, memory, storage, and network management is highly desired.
- Experience with the following: Java, concurrent programming, and related areas.
- Experience with Java memory management, performance tuning and scaling
- Experience in building horizontally scalable products handling multi-terabyte datasets is desirable.
- Experience with relational and non-relational databases: PostgreSQL, Amazon S3.
- Strong oral and written communication skills in English.
Advantageous To Have:
- Experience in building enterprise-grade cloud products.
- Experience with building/using cross-functional observability products.
- BS or MS in computer science.
- Cloud experience: AWS, Azure, GCP.
- Python, Linux, Micro Services experience.
Experience: 5-8 Years
Job Description:
Key Responsibilities:
- Determine the appropriate approach for new software assignments
- Provide solutions to overcome complex problems using the latest technologies
- Developing high-quality and detailed designs, Identify, prioritize and execute tasks in the software development life cycle
- Proactively communicate with the client to get things done within the deadline.
- Develop tools and applications by producing clean, efficient code.
- Automate tasks through appropriate tools and scripting
- Provide high-level maintenance and update of an existing applications to improve functionality and process flow
- Oversee the maintenance of technical documentation of applications as architecture, code, and procedures
Primary Skills:
- 3+ Experience with RPA software (UiPath) (ONLY/MANDATORY)
- Experience in programming .NET (C# or VB), Java + Node.JS-based programming
- UiPath RPA Implementations and Working Knowledge: Studio, BOTs, Orchestrators, RE Framework and Three E2E Implementations as a Core RPA Developer.
- Skill with scripting languages such as VBA/VBS, Python, NodeJS and JavaScript
- Proficiency with Microsoft Power Platform, SQL and NoSQL database experiences
- Orchestrator configuration and component usage knowledge
- hands on experience of orchestrator queue and load distribution
- Proficiency with JIRA, Jenkins, Github, Artifactory and CI/CD development
- Excellent analytical and problem-solving skills, including business process expertise
- Experience developing design documents for automation processes
Education Required: B.Tech or B.E. or MCA or MSC from a recognized college or institute
Additional Responsibilities: • Knowledge of more than one technology • Basics of Architecture and Design fundamentals • Knowledge of Testing tools • Knowledge of agile methodologies • Understanding of Project life cycle activities on development and maintenance projects • Understanding of one or more Estimation methodologies, Knowledge of Quality processes • Basics of business domain to understand the business requirements • Analytical abilities, Strong Technical Skills, Good communication skills • Good understanding of the technology and domain • Ability to demonstrate a sound understanding of software quality assurance principles, SOLID design principles and modelling methods • Awareness of latest technologies and trends • Excellent problem solving, analytical and debugging skills Technical and Professional Requirements: • Primary skills: Java • Desirables: Java->Microservices, Java->Springboot Preferred Skills: Java Generic Skills: Java->Microservices Java->Springboot Educational Requirements Bachelor of Engineering Service Line Application Development and Maintenance * Location of posting is subject to business requirements.
1. Strong knowledge in Front end scripting like EJS, JavaScript, Jquery.
2. Proficiency with fundamental front-end languages such as HTML, CSS.
3. Familiarity with JavaScript frameworks such as Angular JS, React, and Amber.
4. Proficiency with server-side languages such as Python / Ruby / Java / PHP/ .Net.
5. Good Understand with database technology such as MySQL, Oracle, and MongoDB.
Job Description:
We are looking for a Java Developer with experience in building high-performing, scalable,enterprise-grade applications.
You will be part of a talented software team that works on mission-critical applications. Java
developer roles and responsibilities include managing Java/Java EE application development
while providing expertise in the full software development lifecycle, from concept and design to
testing.
Responsibilities and Duties
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs should follow compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and
presenting these for architectural review
Qualifications
• BS/MS degree in Computer Science, Engineering, or a related subject
• Minimum 2 to 6 years of software development experience
• Proven hands-on Software Development experience
• Proven working experience in Java development
• Hands on experience in designing and developing applications using Java EE
platforms
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2,
Hibernate)
• Experience in the Spring Framework
• Very good English communication skills
• Optional:
o Good to have the knowledge of Angular JS framework.
o Experience to work on the Microservice architecture.
o Experience to work with Git hub & bitbucket.
o Agile methodology.







