
5+ years of Experience designing, building and testing Java EE applications
Experience designing, implementing, and integrating Spring and/or Spring Boot
Good knowledge in recent version of Java, Oracle, JBoss, Hibernate
Experience in working with Messaging systems like Apache Kafka
Developing low level designs based on HLD
Reviewing code to check coding standards and best practices to ensure quality.
Hands on knowledge in Unit testing Framework like Junit and good understanding on Exception Handling in Java
Good Knowledge in UI like React or Angular
Experience designing SOAP / RESTful web services
Working on bug fixing and improving application performance
Familiarity with build tools such as Maven and Gradle.
Familiar with various design and architectural patterns
Familiarity with continuous integration

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.
Connect with the team
Similar jobs
Job Description:
We are looking for a skilled Java Developer with 4+ years of experience. The ideal candidate should have hands-on experience in building scalable and high-performance applications using modern Java frameworks and cloud-based deployments. You will work with cutting-edge technologies, including microservices, reactive programming, and containerized deployments, to develop robust and efficient solutions.
Key Responsibilities:
• Develop, enhance, and maintain applications using Java, Spring, and Spring Boot.
• Implement authentication and authorization mechanisms using Keycloak.
• Design and develop scalable microservices with efficient communication using HTTP and gRPC.
• Utilize WebFlux and reactive programming principles to build non-blocking applications.
• Integrate and work with RabbitMQ for messaging and event-driven architecture.
• Work with PostgreSQL, ensuring optimized queries and database performance.
• Deploy applications on Google Cloud Platform (GCP), leveraging cloud-native services.
• Utilize Docker and containerization techniques for efficient application deployment.
• Implement unit testing and ensure code quality through best practices.
• Collaborate with cross-functional teams to design and develop robust solutions.
• Use Git for version control and participate in code reviews.
• Work with GoLang where needed for microservice or backend functionalities.
Required Skills:
• Strong experience with Java, Spring, and Spring Boot.
• Good understanding of Keycloak for authentication and authorization.
• Experience with HTTP, gRPC, and microservices architecture.
• Hands-on knowledge of WebFlux and reactive programming.
• Experience working with RabbitMQ for message brokering.
• Proficiency in PostgreSQL and writing efficient SQL queries.
• Familiarity with GCP deployment and cloud-native development.
• Experience with Git, Docker, and containerization.
• Strong understanding of unit testing frameworks like JUnit, Mockito, etc.
• Ability to work with GoLang when required.
Nice to Have:
• Experience with Kubernetes for container orchestration.
• Exposure to CI/CD pipelines and DevOps practices.
• Knowledge of security best practices in cloud-based applications.
Job Title: Java Developer
Location: Mumbai
Job Type: Full-Time
Experience Level: 4- 8 years
Job Overview:
We are looking for a highly skilled Java Developer to join our development team. As a Java Developer, you will be responsible for designing, developing, and maintaining robust Java applications that meet high standards of performance and reliability. The ideal candidate will have strong analytical skills, excellent problem-solving capabilities, and a deep understanding of Java and its ecosystem.
Key Responsibilities:
- Design, develop, and maintain reliable Java applications.
- Collaborate with cross-functional teams to analyze requirements and translate them into technical solutions.
- Write clean, efficient, and scalable code.
- Develop and integrate APIs and web services.
- Conduct software analysis, testing, and debugging.
- Optimize application performance, scalability, and security.
- Participate in code reviews and contribute to best practices.
Required Skills:
- Proficiency in Java and Java EE (Enterprise Edition).
- Strong understanding of Object-Oriented Programming (OOP) concepts.
- Experience with Spring Framework (Spring Boot, Spring MVC) and Hibernate.
- Familiarity with RESTful API design and development.
- Knowledge of SQL and database management systems like MySQL, PostgreSQL, or Oracle.
- Experience with version control systems like Git.
- Familiarity with build tools like Maven or Gradle.
- Solid understanding of application security, data protection, and performance optimization.
Job Description – Java Senior Developer
Job Title: Java – Senior Developer
Location: Hyderabad (Hybrid)
Job Summary: We are looking for a highly skilled Java Developer to join our team and contribute to the design, development, and maintenance of scalable applications. The ideal candidate should have strong hands-on experience in Core and Advanced Java, Spring Boot, Microservices, and cloud platforms like AWS. They must possess excellent problem-solving skills, clean coding practices, and an understanding of RESTful architecture. This role requires proficiency in front-end technologies (Angular/React), database management, and containerization (Docker/Kubernetes) to build high-performance applications.
Key Responsibilities:
- Develop, test, and maintain scalable Java applications with Spring Boot and Microservices architecture.
- Implement OOP principles, design patterns, and clean coding practices to ensure maintainability.
- Work on Spring Security, Spring Data JPA, Hibernate, and ORM frameworks for database management.
- Design and develop RESTful APIs following industry best practices.
- Utilize front-end frameworks (Angular, React, JavaScript, jQuery, HTML, CSS) to build user-friendly interfaces.
- Work with cloud platforms (AWS, Azure, or GCP) and containerization tools like Docker and Kubernetes.
- Optimize application performance by writing efficient, scalable, and secure code.
- Implement CI/CD pipelines and automate deployments using Docker, Kubernetes, or EKS.
- Write unit and integration tests to ensure robust and error-free code.
- Collaborate with cross-functional teams to enhance application functionality and user experience.
Required Qualifications & Skills:
- 5-10 years of hands-on experience in Core and Advanced Java development.
- Strong knowledge of multithreading, exception handling, servlets, and filters.
- Expertise in Object Oriented Design.
- Experience in designing and developing Microservices-based architectures.
- Proficiency in Spring Boot, Spring Security, Spring REST, and Hibernate (JPA).
- Strong SQL scripting skills and knowledge of relational databases (MySQL, SQL Server, Oracle, etc.).
- Hands-on experience with UI frameworks (Angular, React, JavaScript, TypeScript).
- Working experience with cloud platforms (AWS, Azure, or GCP).
- Knowledge of CI/CD pipelines, Docker, Kubernetes (EKS), and RESTful application integration.
- Understanding of OOP, SOLID principles, and clean code best practices.
- Strong problem-solving, analytical, and debugging skills.
- Bachelor's degree in Computer Science, Software Engineering, or a related field.
About TechGrit:
TechGrit is a custom software development services company dedicated to accelerating business growth through high-performing Agile teams. We specialize in delivering diversified and unique solutions across various industries, including ConstructionTech, HealthTech, FinTech, and HighTech. Our team of champion developers works closely with clients to design and develop custom software solutions that meet their business needs.
Our Mission:
To deliver high-quality and cost-effective software solutions that help companies and entrepreneurs achieve their goals and stay ahead of the competition.
Our Vision:
To be the most trusted technology partner for our customers, accelerating their business growth through innovation, reliability, and excellence by best-in-class people.
Our Core Values:
· Customer Obsession
· Excellence
· Innovation
· Teamwork
· Integrity
· Empathy
Join TechGrit and be part of a team that values innovation, excellence, and teamwork. We are committed to creating an inclusive environment where all employees feel valued and respected. If you are passionate and want to contribute to our mission and vision, we would love to hear from you.

Responsibilities:
• Collaborate with cross-functional teams, including front-end developers, product managers, and designers, to understand project requirements and translate them into technical specifications.
• Design and develop server-side logic, APIs, and database schema to support the functionality and performance requirements of our SaaS platform.
• Write clean, modular, and well-documented code using any relevant programming language preferably Java with SpringBoot.
• Optimize the backend systems for maximum speed and scalability, ensuring high performance and responsiveness of the application.
• Implement data storage solutions using PostgreSQL or other relational databases, ensuring data integrity and security.
• Conduct thorough testing and debugging to identify and resolve any issues or bugs in the backend code.
• Stay up-to-date with emerging technologies, industry trends, and best practices in backend development and contribute to the continuous improvement of our development processes.
Requirements:
• Proven work experience as a Backend Developer or similar role, with a focus on server-side development.
• Proficiency in working with relational databases, particularly PostgreSQL, and writing efficient SQL queries.
• Familiarity with SaaS concepts and architecture.
• Experience with API design and development, including RESTful APIs.
• Solid understanding of software development principles, including object-oriented programming, design patterns, and data structures.
• Experience with version control systems, such as Git.
• Strong problem-solving and analytical skills, with keen attention to detail.
• Excellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional teams.
• Bachelor's degree in Computer Science, Engineering, or a related field is preferred, but not mandatory
Responsibilities and Duties:
● Java/Java EE application development while providing expertise in the full software development
life cycle, from concept and design to testing.
● Contribute to all phases of the development life cycle
● Write well designed, testable, efficient code
● Ensure designs are in compliance with specifications
● Prepare and produce releases of software components
● Support continuous improvement by investigating alternatives and technologies and presenting
these for architectural review
Required Skills:
● Should have strong knowledge of Core Java and OOPS concepts
● Sound knowledge of Web application development fundamentals and have worked on Servlets,
JSP and any MVC framework
● Strong analytical and reasoning skills and ability to learn and unlearn new technology on back
end as well as on front end
● Ability to understand functional and requirement specifications and transform them to solution
● Understand the client’s problem domain and suggest and implement solution which brings value
to the business
● Can estimate, develop and deliver project from start to end
● Should have professional service experience with any product
● Experience working with onshore team and ability to communicate with clients and stakeholders
● Ready to travel onshore
● Sound knowledge of RDBMS
● Can communicate well with clients and collaborate with cross functional team to deliver high
quality deliverable
● Should have knowledge of Agile/Scrum methodology
● Ability to work on microservices
Why Work at Staunchsys:
● Family Health Cover & Accidental Insurance
● Constant Learning
● Competitive Pay
● Flexible work timings
● 5 days working
● Complimentary Lunch & Snacks
● Personal accident insurance policy
● Encashment facility for both PL & SL
- 2+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 4+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.

Have you streamed a program on Disney+, watched your favorite binge-worthy series on Peacock or cheered your favorite team on during the World Cup from one of the 20 top streaming platforms around the globe? If the answer is yes, you’ve already benefitted from Conviva technology, helping the world’s leading streaming publishers deliver exceptional streaming experiences and grow their businesses.
Conviva is the only global streaming analytics platform for big data that collects, standardizes, and puts trillions of cross-screen, streaming data points in context, in real time. The Conviva platform provides comprehensive, continuous, census-level measurement through real-time, server side sessionization at unprecedented scale. If this sounds important, it is! We measure a global footprint of more than 500 million unique viewers in 180 countries watching 220 billion streams per year across 3 billion applications streaming on devices. With Conviva, customers get a unique level of actionability and scale from continuous streaming measurement insights and benchmarking across every stream, every screen, every second.
As Conviva is expanding, we are building products providing deep insights into end user experience for our customers.
Platform and TLB Team
The vision for the TLB team is to build data processing software that works on terabytes of streaming data in real time. Engineer the next-gen Spark-like system for in-memory computation of large time-series dataset’s – both Spark-like backend infra and library based programming model. Build horizontally and vertically scalable system that analyses trillions of events per day within sub second latencies. Utilize the latest and greatest of big data technologies to build solutions for use-cases across multiple verticals. Lead technology innovation and advancement that will have big business impact for years to come. Be part of a worldwide team building software using the latest technologies and the best of software development tools and processes.
What You’ll Do
This is an individual contributor position. Expectations will be on the below lines:
- Design, build and maintain the stream processing, and time-series analysis system which is at the heart of Conviva's products
- Responsible for the architecture of the Conviva platform
- Build features, enhancements, new services, and bug fixing in Scala and Java on a Jenkins-based pipeline to be deployed as Docker containers on Kubernetes
- Own the entire lifecycle of your microservice including early specs, design, technology choice, development, unit-testing, integration-testing, documentation, deployment, troubleshooting, enhancements etc.
- Lead a team to develop a feature or parts of the product
- Adhere to the Agile model of software development to plan, estimate, and ship per business priority
What you need to succeed
- 9+ years of work experience in software development of data processing products.
- Engineering degree in software or equivalent from a premier institute.
- Excellent knowledge of fundamentals of Computer Science like algorithms and data structures. Hands-on with functional programming and know-how of its concepts
- Excellent programming and debugging skills on the JVM. Proficient in writing code in Scala/Java/Rust/Haskell/Erlang that is reliable, maintainable, secure, and performant
- Experience with big data technologies like Spark, Flink, Kafka, Druid, HDFS, etc.
- Deep understanding of distributed systems concepts and scalability challenges including multi-threading, concurrency, sharding, partitioning, etc.
- Experience/knowledge of Akka/Lagom framework and/or stream processing technologies like RxJava or Project Reactor will be a big plus. Knowledge of design patterns like event-streaming, CQRS and DDD to build large microservice architectures will be a big plus
- Excellent communication skills. Willingness to work under pressure. Hunger to learn and succeed. Comfortable with ambiguity. Comfortable with complexity
Underpinning the Conviva platform is a rich history of innovation. More than 60 patents represent award-winning technologies and standards, including first-of-its kind-innovations like time-state analytics and AI-automated data modeling, that surfaces actionable insights. By understanding real-world human experiences and having the ability to act within seconds of observation, our customers can solve business-critical issues and focus on growing their businesses ahead of the competition. Examples of the brands Conviva has helped fuel streaming growth for include DAZN, Disney+, HBO, Hulu, NBCUniversal, Paramount+, Peacock, Sky, Sling TV, Univision, and Warner Bros Discovery.
Privately held, Conviva is headquartered in Silicon Valley, California with offices and people around the globe. For more information, visit us at www.conviva.com. Join us to help extend our leadership position in big data streaming analytics to new audiences and markets!



Vah Vah! is an ed-tech company that offers online makeup courses in micro-batches to students across India to learn from the leading teachers in top cities. We provide holistic education with lots of practical training that makes our students job-ready with not just the base skills but also the soft skills for great customer service. Our teachers have more than 15+ years of experience in training makeup and have certified more than 1000+ students. Vah Vah! is founded by executives with extensive experience running consumer business and mobile games at scale (over 100 million players) at Zynga. Vah Vah! is backed by a leading investment firm.
Website Link: https://vahvah.com/
The Mission
Vah Vah teaches professional makeup to budding makeup artists and influencers through live online classes. We have students from Srinagar, all the way to the Andamans. And experienced teachers who have worked in Bridal Makeup, Ramp Shoots, Film and more. We empower our students to join the workforce as fully trained makeup artists. This is the future of vocational education, and you can help build it.
Our Culture
- Amazing workplace and colleagues to work with
- We have the right mixture of creativity, analytics and hustle to move fast in the right direction.
- You will work with colleagues who don’t take themselves too seriously but move mountains.
- See yourself evolving every month with new problems to solve and new skill to master.
- Work with the smartest engineers so you can learn from them.
- Competitive salary at par with the best in the industry
- Great stock options so you can benefit from the company's growth.
- Immense exposure to new technologies
Responsibilities:
- Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement.
- Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
- Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members. Taking lead on projects, as needed.
Requirements:
- Overall experience of 2-5 years in building backend services using languages like NodeJs, Java etc
- Fluency or understanding of specific languages, such as Java, Node.Js, Python, and operating systems may be required.
- Strong understanding of the web development cycle and programming techniques and tools.
- Focus on efficiency, user experience, and process improvement.
- Strong problem solving and verbal and written communication skills.
- Ability to work independently or with a group.
- Sound knowledge on source control and DevOps
What you get:
- Amazing workplace and colleagues to work with
- Competitive salary at par with the best in the industry
- Immense exposure to new technologies
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 4.5 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.
Knowledge of REST API, XML and RESTFUL web services
Working knowledge on SQL, JQuery, web services, Eclipse IDE would be a plus

