
Job Title: Java Developer
Location: Chennai
Experience: 3+ Years
Employment Type: Full-time
Job Description:
We are looking for a skilled and passionate Java Developer with a strong foundation in Core Java and Object-Oriented Programming concepts. The ideal candidate should possess excellent communication skills and have hands-on experience with multi-threading, collections, databases, and backend development frameworks like Spring and Spring Boot. Exposure to cloud platforms and frontend technologies is a plus.
Key Responsibilities:
- Design, develop, and maintain scalable Java applications using Core Java and Spring Boot.
- Apply strong knowledge of Java Collections Framework and concurrent programming techniques including ExecutorService, ForkJoinPool, and other threading mechanisms.
- Optimize JVM performance and memory usage.
- Participate in all phases of the software development lifecycle: requirement gathering, design, development, testing, and deployment.
- Write clean, maintainable code following best practices, coding standards, and design patterns.
- Conduct code reviews, unit testing, and participate in peer programming.
- Collaborate effectively with team members and stakeholders to deliver high-quality solutions.
- Interact with databases like Oracle, Sybase, or SQL Server, with a strong understanding of views, triggers, indexing, and stored procedures.
Must-Have Skills:
- 3+ years of hands-on experience in Core Java
- Strong understanding of Collections, Multithreading, and Concurrency
- Proficient in Spring Framework, especially Spring Boot
- Deep understanding of Object-Oriented Design and Data Structures
- Strong experience in RDBMS (Sybase/Oracle/SQL Server) including indexing, replication, CLOB/BLOB types, views, and procedures
- Excellent written and verbal communication skills
Good to Have:
- Exposure to Microservices architecture
- Familiarity with NoSQL databases
- Knowledge or willingness to work on frontend technologies
- Experience working with public cloud platforms (AWS, Azure, GCP)
Soft Skills:
- Strong analytical and problem-solving skills
- Team player with a proactive attitude
- Ability to work independently and in a fast-paced environment
If you are passionate about Java development and want to work on cutting-edge technologies in a collaborative environment, we would love to hear from you.
Let me know if you want this converted into a company-branded format or with CTC/NP details added.

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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Position Overview
We are seeking a skilled Developer to join our engineering team. The ideal candidate will have strong expertise in Java and Python ecosystems, with hands-on experience in modern web technologies, messaging systems, and cloud-native development using Kubernetes.
Key Responsibilities
- Design, develop, and maintain scalable applications using Java and Spring Boot framework
- Build robust web services and APIs using Python and Flask framework
- Implement event-driven architectures using NATS messaging server
- Deploy, manage, and optimize applications in Kubernetes environments
- Develop microservices following best practices and design patterns
- Collaborate with cross-functional teams to deliver high-quality software solutions
- Write clean, maintainable code with comprehensive documentation
- Participate in code reviews and contribute to technical architecture decisions
- Troubleshoot and optimize application performance in containerized environments
- Implement CI/CD pipelines and follow DevOps best practices
- Required Qualifications
- Bachelor's degree in Computer Science, Information Technology, or related field
- 4+ years of experience in software development
- Strong proficiency in Java with deep understanding of web technology stack
- Hands-on experience developing applications with Spring Boot framework
- Solid understanding of Python programming language with practical Flask framework experience
- Working knowledge of NATS server for messaging and streaming data
- Experience deploying and managing applications in Kubernetes
- Understanding of microservices architecture and RESTful API design
- Familiarity with containerization technologies (Docker)
- Experience with version control systems (Git)
- Skills & Competencies
- Skills Java (Spring Boot, Spring Cloud, Spring Security)
- Python (Flask, SQL Alchemy, REST APIs)
- NATS messaging patterns (pub/sub, request/reply, queue groups)
- Kubernetes (deployments, services, ingress, ConfigMaps, Secrets)
- Web technologies (HTTP, REST, WebSocket, gRPC)
- Container orchestration and management
- Soft Skills Problem-solving and analytical thinking
- Strong communication and collaboration
- Self-motivated with ability to work independently
- Attention to detail and code quality
- Continuous learning mindset
- Team player with mentoring capabilities
Hi,
As discussed, please refer to below Job description and revert with you updated resume –
About Client : Client is a digital accelerator to Startups, SMEs, MSMEs, and large enterprises with a significant contribution across 22+ industries including BFSI, Healthcare, Ecommerce & Retail, Education & eLearning, Insurance, Tech Startups, Government & Semi-Government, and more. Backed with an impressive experience of 25+ years and a fast-growing family of 4000+ engineering professionals our capabilities span across IT Consulting, Strategy Planning & Execution, Business Process Re-engineering, IT Modernization, and Business Analysis Consulting, our solutions are devised meticulously to address the needs of specific industries.
We are a CMMI Level 5 organization global IT Solution provider and Outsourcing company headquartered in Mumbai and footprints with 10 delivery centres in India and 15 global offices. Our success portfolio boasts of 7500+ projects accomplished across 1500+ clients in 50+ countries with client retention rate as high as 85%
Job Description :
Java Architect (10+ Years)
Location: Navi Mumbai, CBD Belapur
Domain: Banking (Payment Gateway Project)
NOTE: 1st and 3rd Saturdays working as per banking norms
Education: B.E. or Graduation in Computer Science or related field
Key Responsibilities:
• Architectural Leadership: Lead the architecture and design of complex, scalable, and secure banking applications, focusing on payment gateway solutions.
• Technology Stack Mastery: Provide expertise in Java, Spring, Spring Boot, Microservices, Hibernate, REST API, Oracle SQL, and cloud-native architectures using AWS.
• Spring Validation & Authorization: Ensure secure and validated input handling using Spring Validation, and implement robust authorization mechanisms with Spring Security.
• Cloud Integration: Design and implement cloud-native architectures using AWS, including services like EC2, S3, RDS, Lambda, and API Gateway.
• Security Standards: Ensure adherence to banking security st OAuth2, JWT, and encryption protocols.
• Database Design: Oversee the design and optimization of relational databases, focusing on Oracle SQL and knowledge of NoSQL databases like MongoDB.
• Performance Optimization: Implement strategies for application performance tuning, caching, and scalability.
• Collaboration & Mentorship: Work closely with cross-functional teams, providing technical guidance and mentoring to developers.
• Stakeholder Engagement: Collaborate with business stakeholders to ensure architectural alignment with business objectives and technical constraints.
• Code Quality & Reviews: Conduct regular code reviews, ensuring compliance with best practices and architectural standards.
Skills and Qualifications:
• Extensive Experience: 8+ years in Java development and architecture, with a proven track record in the banking domain, particularly in payment gateway projects.
•Technological Proficiency: Deep expertise in Java, Spring, Spring Boot, Microservices, Hibernate, REST API, Oracle SQL, Spring Validation, Spring Security for authorization, AWS, Docker, Kubernetes, and Jenkins.
• Cloud & DevOps Knowledge: Good understanding of cloud-native applications and DevOps practices.
• Security Focus: Experience in implementing security protocols and practices in a banking environment.
• Leadership & Communication: Strong leadership, communication, and stakeholder management skills.
• Innovative Thinking: Ability to think critically and provide innovative solutions to complex problems.
Required Documents:
• 10th and 12th passing certificates and marksheets.
• Graduation marksheets and passing certificate.
• Graduation degree (Convocation) certificate. • All employer offer letters and relieving letters (with stamp and CIN number on letterhead)
Regards
Amit Kumar Pandey
- Bachelor's or Master’s degree in Computer Science or equivalent area
- 10 to 20 years of experience in software development
- Hands-on experience designing and building B2B or B2C products
- 3+ years architecting SaaS/Web based customer facing products, leading engineering teams as software/technical architect
- Experiences of engineering practices such as code refactoring, microservices, design and enterprise integration patterns, test and design-driven development, continuous integration, building highly scalable applications, application and infrastructure security
- Strong cloud infrastructure experience with AWS and/or Azure
- Experience building event driven systems and working with message queues/topics
- Broad working experience across multiple programming languages and frameworks with in-depth experience in one or more of the following: .Net, Java, Scala or Go-lang
- Hands-on experience with relational databases like SQL Server, PostgreSQL and document stores like Elasticsearch or MongoDB
- Hands-on experience with Big Data processing technologies like Hadoop/Spark is a plus
- Hands-on experience with container technologies like Docker, Kubernetes
- Knowledge of Agile software development process
Role : Junior Developer (Junior Consultant) - Java/ React/Golang
Location : Gurgaon/Bangalore/Pune
Education : BE/ BTech/ MCA or equivalent engineering degree
Experience : 2-4 years of Java Programming experience
These are urgent positions and we are looking to onboard candidates by end of April . Only those should apply who can join immediately.
- Number of positions : 40
- Normal working hours
- Remote work environment
Salary : INR 4 Lakhs - 8.5 Lakhs/ year
- Selected candidates will undergo extensive Training of 6 weeks.
- 2.5 years of Service level agreement with Shortlisted and offered Candidates
Job Requirement :
Mandatory :
- At least 1.5 + year development or support experience in Java application
- Good understanding of Object-Oriented Concepts (OOPs)
- Understanding of web applications
- Good analytical and logical abilities
- Good communication and interpersonal skills
- Minimum 60 % marks in Class 10 & 12th & BE/BTech/ MCA
Desired :
- Working knowledge of JavaScript / Golang/ React
Perks and Benefits :
- Competitive Compensation
- Medical Insurance- Self, Family
- Term Life Insurance
- Group Personal Accident Insurance
- Long Service Awards
- Professional Certification Assistance
- Global Exposure
About Xebia :
Xebia Group consists of nine specialized, interlinked companies: Xebia, Xebia Academy, StackState, GoDataDriven, Xpirit, Binx.io, Instruqt, Qxperts and Xccelerated. Offices in Amsterdam, Utrecht, Hilversum, Paris, Gurgaon, Pune, Bangalore, Boston and Dubai.Expertise in Technology Consulting, Offshore Services, Deployment Automation, Digital Transformation, Agile Transformations, Agile Product Management, DevOps, Big Data & Data Science, Cloud Infrastructures, Agile Software Development, Blockchain, Quality & Test Automation, Classroom Training, In-Company Training, Artificial intelligence, and Machine Learning.Xebia explores and creates new frontiers. Always one step ahead of what businesses need, we turn the latest technology trends into advantages for our customers. As a mainstream frontrunner, we create new solutions and build the future with our clients.
Work Location:Mumbai,Gurgoan,Indore,Bangalore,Hyderabad
- J2EE
- Web services
- JSON
- JSP Servlet
- Exception handling
- Multithreading
- Rest API
- Microservices
• Atleast 5+ years of experience in Java development (J2EE, J2SE 8)
• Atleast 3+ years for EDI development experience.
• Degree, diploma or Certificate in Computer Science or IT.
* Troubleshooting of FTP networking for all EDI situations, sets up and edits all SQL reports. * Bring out and supervises all self loading scripts to guarantee effective EDI document travel. * Monitor effective working of all the given projects, manages various departments to provide efficiency for support staff, makes all EDI maps, business procedures and works out all the execution issues. * Experience in preparing all cost advice reference papers and takes part in different test developments, enforcement plans, strategies and supervises all communication for projects as per work plan. * Experience in dealing with all the scheme or system designs and follows through new designs and helps to enforce brand for all the new clients. * Coordination with non EDI sources to fix, design and implement all the answers for the same, and makes all data map to guarantee effective management of all dealings. * Experience in helping to all the e-trade dealings and the trade units in same processes and comes up with an update on architecture if needed. * Experience in leading projects that support the EDI techie regions, and helps the other projects as characterized by the team lead of applications development. * Experience in functioning as a direct liasion with fundamental users in limited structural areas of the trade. * Experience in EDI procedures and daily functions to ensure best performance, completeness and superiority.
About the Role
The Dremio India team owns the DataLake Engine along with Cloud Infrastructure and services that power it. With focus on next generation data analytics supporting modern table formats like Iceberg, Deltalake, and open source initiatives such as Apache Arrow, Project Nessie and hybrid-cloud infrastructure, this team provides various opportunities to learn, deliver, and grow in career. We are looking for technical leaders with passion and experience in architecting and delivering high-quality distributed systems at massive scale.
Responsibilities & ownership
- Lead end-to-end delivery and customer success of next-generation features related to scalability, reliability, robustness, usability, security, and performance of the product
- Lead and mentor others about concurrency, parallelization to deliver scalability, performance and resource optimization in a multithreaded and distributed environment
- Propose and promote strategic company-wide tech investments taking care of business goals, customer requirements, and industry standards
- Lead the team to solve complex, unknown and ambiguous problems, and customer issues cutting across team and module boundaries with technical expertise, and influence others
- Review and influence designs of other team members
- Design and deliver architectures that run optimally on public clouds like GCP, AWS, and Azure
- Partner with other leaders to nurture innovation and engineering excellence in the team
- Drive priorities with others to facilitate timely accomplishments of business objectives
- Perform RCA of customer issues and drive investments to avoid similar issues in future
- Collaborate with Product Management, Support, and field teams to ensure that customers are successful with Dremio
- Proactively suggest learning opportunities about new technology and skills, and be a role model for constant learning and growth
Requirements
- B.S./M.S/Equivalent in Computer Science or a related technical field or equivalent experience
- Fluency in Java/C++ with 15+ years of experience developing production-level software
- Strong foundation in data structures, algorithms, multi-threaded and asynchronous programming models and their use in developing distributed and scalable systems
- 8+ years experience in developing complex and scalable distributed systems and delivering, deploying, and managing microservices successfully
- Subject Matter Expert in one or more of query processing or optimization, distributed systems, concurrency, micro service based architectures, data replication, networking, storage systems
- Experience in taking company-wide initiatives, convincing stakeholders, and delivering them
- Expert in solving complex, unknown and ambiguous problems spanning across teams and taking initiative in planning and delivering them with high quality
- Ability to anticipate and propose plan/design changes based on changing requirements
- Passion for quality, zero downtime upgrades, availability, resiliency, and uptime of the platform
- Passion for learning and delivering using latest technologies
- Hands-on experience of working projects on AWS, Azure, and GCP
- Experience with containers and Kubernetes for orchestration and container management in private and public clouds (AWS, Azure, and GCP)
- Understanding of distributed file systems such as S3, ADLS or HDFS
- Excellent communication skills and affinity for collaboration and teamwork
Fullstack Developer/Architect/Programmer:
- 8-10 years experience as Developer/Programmer.
- Should have an expertise in Core Java, Java & J2ee
- Built MVC based Web Application Using JSP/Struts framework
- Experience in Webservices-Restful
- Experience in Application Servers like Tomcat and WebLogic
- Good Knowledge of implementing JMS messaging services
- Good knowledge of HTML5,CSS and JavaScript – Angular.js,Bootstrap, React.js
- Should have skills in Spring 3.x, Hibernate, Weblogic 12c Implementation

Writing reusable, testable, and efficient code Design and implementation of low-latency, high-availability, and performant applications Integration of user-facing elements developed by front-end developers with server side logic Implementation of security and data protection
Skills and Qualifications :-
• Good Understanding of Java/J2EE programming language, Spring REST, Spring Boot, Spring Cloud , Microservices , NoSQL, Cassandra, couchbase, postgreSQL, Redis or any distributed cache stores, Kafka/spark
• Comfortable producing and refactoring code without assistance
• Hands on experience with dockers
• Hands on experience with cloud environments either AWS or Azure
• Able to do BDD or test driven development
• Hands on knowledge with test frameworks for automation
• Understands different major language paradigms (OOP/Functional)
• Knowledge of design patterns for REST application
• Can implement design patterns with guidance
• Understands CI and continuous delivery.
• Understands BDD/TDD/Performance/Security/Smoke testing
• Working knowledge of CI tooling
• Understands version control & branching strategies
• Comfortable translating small behaviour requirements into tasks & code








