
Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore 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. - 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 clientfacing 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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Mandatory Criteria :
- Candidate must have Strong hands-on experience with Kubernetes of atleast 2 years in production environments.
- Candidate should have Expertise in at least one public cloud platform [GCP (Preferred), AWS, Azure, or OCI).
- Proficient in backend programming with Python, Java, or Kotlin (at least one is required).
- Candidate should have strong Backend experience.
- Hands-on experience with BigQuery or Snowflake for data analytics and integration.
About the Role
We are looking for a highly skilled and motivated Cloud Backend Engineer with 4–7 years of experience, who has worked extensively on at least one major cloud platform (GCP, AWS, Azure, or OCI). Experience with multiple cloud providers is a strong plus. As a Senior Development Engineer, you will play a key role in designing, building, and scaling backend services and infrastructure on cloud-native platforms.
# Experience with Kubernetes is mandatory.
Key Responsibilities
- Design and develop scalable, reliable backend services and cloud-native applications.
- Build and manage RESTful APIs, microservices, and asynchronous data processing systems.
- Deploy and operate workloads on Kubernetes with best practices in availability, monitoring, and cost-efficiency.
- Implement and manage CI/CD pipelines and infrastructure automation.
- Collaborate with frontend, DevOps, and product teams in an agile environment.
- Ensure high code quality through testing, reviews, and documentation.
Required Skills
- Strong hands-on experience with Kubernetes of atleast 2 years in production environments (mandatory).
- Expertise in at least one public cloud platform [GCP (Preferred), AWS, Azure, or OCI].
- Proficient in backend programming with Python, Java, or Kotlin (at least one is required).
- Solid understanding of distributed systems, microservices, and cloud-native architecture.
- Experience with containerization using Docker and Kubernetes-native deployment workflows.
- Working knowledge of SQL and relational databases.
Preferred Qualifications
- Experience working across multiple cloud platforms.
- Familiarity with infrastructure-as-code tools like Terraform or CloudFormation.
- Exposure to monitoring, logging, and observability stacks (e.g., Prometheus, Grafana, Cloud Monitoring).
- Hands-on experience with BigQuery or Snowflake for data analytics and integration.
Nice to Have
- Knowledge of NoSQL databases or event-driven/message-based architectures.
- Experience with serverless services, managed data pipelines, or data lake platforms.
You will be working hands-on on a complex and compound product that has the potential to be used by millions of sales and marketing people around the world. Your contribution to delivering an excellent product platform that:
- enables quick iteration
- supports product customization
- and handles scale
What do we expect you to have?
- 2+ years of experience in backend engineering
- An intent to learn and an urge to build a product by learning different technologies
- Interest in writing complex, scalable, and maintainable backend applications
- Tech stack requirements:
Must haves
- Experience in building application server in Java (Spring / Spring boot) / NodeJS / Golang / Python
- Experience in using SQL databases and designing schemas based on application need
- Experience with container services and runtimes (docker / docker-compose / k8s)
- Experience with cloud paas (AWS / GCP / Azure cloud)
- Experience and familiarity with microservices’ concepts
- Experience with bash scripting
Good to have (Preferred)
- Preferred experience with org wide message queue (rabbitmq / aws sqs)
- Preferred experience with task orchestration services (apache airflow / aws step function)
- Preferred experience with infra as code (or system configuration) tools (terraform / chef / ansible)
- Preferred experience with build essential tools (make / makefile)
- Preferred experience with monitoring and tracing systems for performance / system / application monitoring (grafana + loki + prometheus / aws cloudwatch)
What will you learn?
- Building highly available, complex, compound, performant systems of microservices platform that acts as an API layer
- Industry-standard state-of-the-art tools + methodologies + frameworks + infra for building a product.
- Fable is not a trivial CRUD app. It requires a lot of consideration and care for building the API layer as the product is highly customizable per user.
- How different functions (sales, marketing, product, engineering) in a high-velocity product company work in synergy to deliver an iterative product in real life.
Who would you be working with?
- You would be directly working with the co-founder & CTO who has built multiple companies before and has built large teams in large-scale companies like ThoughtSpot, Unacademy, etc.
Position details
- Fully remote.
- 5 days/week (all public and government holidays will be non-working days).
- No specific work hours (we will sync over zoom over the course of the day).
• FULL TIME • GURGAON
Job Overview
We are searching for PHP Developer who would be responsible for creating
and implementing an array of Web-based Services using PHP, MySQL, Ajax,
and JavaScript. You develop back-end components, connect the application
with other web services, and assist front-end developers by ensuring their
work integrates with the application. Also, you might be asked to develop and
integrate plug-ins for popular frameworks.
Responsibilities
• Participate in the entire application lifecycle, focusing on coding and
debugging
• Write clean code to develop functional web applications
• Troubleshoot and debug applications
• Perform UI tests to optimize performance
• Manage cutting-edge technologies to improve legacy applications.
• Collaborate with Front-end developers to integrate user-facing
elements with server side Logic
• Gather and address technical and design requirements
• Provide training and support to internal teams
• Build reusable code and libraries for future use
• Liaise with developers, designers and system administrators to
identify new features
• Follow emerging technologies.
Essential Requirements
▪ Must have good experience in codignitor
▪ Candidate should have relevant experience in MVC and YII2
framework.
▪ Candidate must have Strong command in Jquery, My Sql and
Mongodb etc
▪ Must have strong knowledge about Social API integration like- ( edge,
fb, twitter and google etc.)
▪ Candidate must have excellent understanding about web services like-
(Rest, Soap etc.)
▪ Candidate must have good knowledge about payment gateway
integration.
▪ Must have excellent knowledge about data structure.
▪ Experience with the startup will preferably be advantage.
EducationalQualifications
B-Tech-IT/M-Tech -/MBA- IT/ BCA /MCA or any degree in the relevant field
EXPERIENCE: 1-5 yrs

- Provides free and subscription-based website and email services hosted and operated at data centres in Mumbai and Hyderabad.
- Serve global audience and customers through sophisticated content delivery networks.
- Operate a service infrastructure using the latest technologies for web services and a very large storage infrastructure.
- Provides virtualized infrastructure, allows seamless migration and the addition of services for scalability.
- Pioneers and earliest adopters of public cloud and NoSQL big data store - since more than a decade.
- Provide innovative internet services with work on multiple technologies like php, java, nodejs, python and c++ to scale our services as per need.
- Has Internet infrastructure peering arrangements with all the major and minor ISPs and telecom service providers.
- Have mail traffic exchange agreements with major Internet services.
Job Details:
This job position provides competitive professional opportunity both to experienced and aspiring engineers. The company's technology and operations groups are managed by senior professionals with deep subject matter expertise.
The company believes having an open work environment offering mentoring and learning opportunities with an informal and flexible work culture, which allows professionals to actively participate and contribute to the success of our services and business.
Job Role and Responsibilties:
1. Full lifecycle (SDLC) application development.
2. Designing, coding and debugging existing code.
3. Understanding of front end and user interface engineering design.
4. Software testing and quality assurance.
5. Integration of the modules in the existing systems.
6. Evaluation and identification of the new technology developments in the work domain.
7. Maintaining standard practices and compliances.
QUALIFICATION AND EXPERIENCE
A graduate degree or senior Diploma in engineering or technology with 4-8 years of experience in some or all of the following.
- PHP, Integration with MemCache, Membase, MySQL, Oracle, CDB/BDB, Error Handling and debuggers
- Data Structures,
- HTML / XHTML, CSS, java-script, Smarty
- Web Services, SOAP, XML, REST
- Code optimization, Scaling, Session management, Version control Systems
- MIME Parsing, Large data processing in PHP (encoding, parsing, escaping for special characters etc.)
Cloudera Data Warehouse Hive team looking for a passionate senior developer to join our growing engineering team. This group is targeting the biggest enterprises wanting to utilize Cloudera’s services in a private and public cloud environment. Our product is built on open source technologies like Hive, Impala, Hadoop, Kudu, Spark and so many more providing unlimited learning opportunities.
A Day in the Life
Over the past 10+ years, Cloudera has experienced tremendous growth making us the leading contributor to Big Data platforms and ecosystems and a leading provider for enterprise solutions based on Apache Hadoop. You will work with some of the best engineers in the industry who are tackling challenges that will continue to shape the Big Data revolution. We foster an engaging, supportive, and productive work environment where you can do your best work. The team culture values engineering excellence, technical depth, grassroots innovation, teamwork, and collaboration.
You will manage product development for our CDP components, develop engineering tools and scalable services to enable efficient development, testing, and release operations. You will be immersed in many exciting, cutting-edge technologies and projects, including collaboration with developers, testers, product, field engineers, and our external partners, both software and hardware vendors.
Opportunity:
Cloudera is a leader in the fast-growing big data platforms market. This is a rare chance to make a name for yourself in the industry and in the Open Source world. The candidate will responsible for Apache Hive and CDW projects. We are looking for a candidate who would like to work on these projects upstream and downstream. If you are curious about the project and code quality you can check the project and the code at the following link. You can start the development before you join. This is one of the beauties of the OSS world.
https://hive.apache.org/" target="_blank">Apache Hive
Responsibilities:
-
Build robust and scalable data infrastructure software
-
Design and create services and system architecture for your projects
-
Improve code quality through writing unit tests, automation, and code reviews
-
The candidate would write Java code and/or build several services in the Cloudera Data Warehouse.
-
Worked with a team of engineers who reviewed each other's code/designs and held each other to an extremely high bar for the quality of code/designs
-
The candidate has to understand the basics of Kubernetes.
-
Build out the production and test infrastructure.
-
Develop automation frameworks to reproduce issues and prevent regressions.
-
Work closely with other developers providing services to our system.
-
Help to analyze and to understand how customers use the product and improve it where necessary.
Qualifications:
-
Deep familiarity with Java programming language.
-
Hands-on experience with distributed systems.
-
Knowledge of database concepts, RDBMS internals.
-
Knowledge of the Hadoop stack, containers, or Kubernetes is a strong plus.
-
Has experience working in a distributed team.
-
Has 3+ years of experience in software development.
Job Description
We are looking for Advance Java developers who want to help us design cutting edge scalable products to meet our rapidly growing business. We are building out a team and looking for multiple levels but you should have at least 4-6 years of programming experience.
Key Responsibilities
Build high availability and extreme reliable high volume transactional systems.
Deliver reliable solutions that handle massive data and high traffic.
Complete ownership of problem-free execution of owned modules and solutions.
Focus on code optimization, code quality, maintainability etc.
Team Handling.
Skills required
MS or BS/B.Tech / MCA in computer science.
Hands-on experience in Core J2EE or Core Java (collection, multithreading).
Proficiency in Struts 2.0 & Springs, Hibernate, JDBC, JSP, Servlets , JMS / Radius, Redis , Microservices ,
Strong working knowledge of Databases – MySQL, OS - Linux.
Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server side development.
Excellent data structure & algorithm and problem solving skills.
Customer-focused, react well to changes, work with teams and able to multi-task.
Must be a proven performer and team player that enjoy challenging assignments in a high-energy, fast growing and start-up workplace.
Must be a self-starter who can work well with minimal guidance and in fluid environment.
Note: Must have worked on Payment Gateway Development.
Must be willing to work in a startup fast paced environment.
Joining : Immediate
We are looking for a Experienced Backend Developer, who is motivated to work on startup
culture and has working knowledge in Product development.
Duties and Responsibilities:
Design and Write Efficient and Structured code
Sound knowledge of Product lifecycle
Auto test and deployment using CICD
Experience in cloud technologies and understanding of the overall product architecture.
Collaborate with the product and tech team to design and launch new features.
Understanding and implementation of security and data protection.
God code versioning practices and experience on tools like GIT
Experience in Microservice architecture and API development using Java Springboot.
SQL
AWS working knowledge is an added advantage.
Role Specification: Knowledge of Java, Spring Boot, Mysql/SQL, Data Structures and algorithms
Basic Qualifications:
- 2+ 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
Java Elastic Search
- Java Microservices ELK stack(Elasticsearch, Logstash, Kibana, Beats, X-Pack, APM),
- Build Custom Reports
Java + NodeJS
- Java with Node.js- Microservices Development,
- Using graphql with node.js,
- Backend development with Node.JS
Java Microservices
- Working experience in Java and spring boot (microservices)
- Strong understanding of OOPs concepts
- Proficient in API design and development using RESTful services
- Knowledge and understanding of design principles behind building a scalable application
- Source code management using git







