
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.

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Role & Responsibilities :
- Lead the design, analysis, and implementation of technical solutions.
- Take full ownership of product features.
- Participate in detailed discussions with the product management team regarding requirements.
- Work closely with the engineering team to design and implement scalable solutions.
- Create detailed functional and technical specifications.
- Follow Test-Driven Development (TDD) and deliver high-quality code.
- Communicate proactively with your manager regarding risks and progress.
- Mentor junior team members and provide technical guidance.
- Troubleshoot and resolve production issues with RCA and long-term solutions
Required Skills & Experience :
- Bachelors/Masters degree in Computer Science or related field with a solid academic track record.
- 6+ years of hands-on experience in backend development for large-scale enterprise products.
- Strong programming skills in Java; familiarity with Python is a plus.
- Deep understanding of data structures, algorithms, and problem-solving.
- Proficient in Spring Boot and RESTful APIs.
- Experience with cloud technologies like ElasticSearch, Kafka, MongoDB, Hazelcast, Ceph, etc.
- Strong experience in building scalable, concurrent applications.
- Exposure to Service-Oriented Architecture (SOA) and Test-Driven Development (TDD).
- Excellent communication and collaboration skills.
Preferred Technologies :
- Java
- Spring Boot, J2EE
- ElasticSearch
- Kafka
- MongoDB, Ceph
- AWS
- Storm, Hazelcast
- TDD, SOA
Job Title: Senior Java Developer – Multi-SaaS / Microservices / Pub-Sub
About the Role
We are seeking a highly skilled Senior Java Developer with strong leadership abilities to join our team. The ideal candidate will have deep expertise in Java, micro services architecture, multi-tenant SaaS systems, pub/sub messaging, and cloud-based deployments on AWS EKS. This role requires not only technical mastery but also the ability to mentor teams, influence architecture decisions, and ensure best practices through Test-Driven Development (TDD).
Key Responsibilities
- Lead design and development of Java-based multi-tenant SaaS applications using microservices architecture.
- Implement pub/sub messaging systems for event-driven communication.
- Deploy, monitor, and optimize services on AWS EKS.
- Ensure system reliability, scalability, and security using AWS CloudWatch and other observability tools.
- Apply TDD principles to drive high-quality, maintainable code.
- Collaborate with product managers, architects, and other developers to translate requirements into technical solutions.
- Lead code reviews, mentor junior engineers, and promote engineering best practices.
- Take ownership of end-to-end delivery, from architecture design to production rollout.
Required Skills & Qualifications
- Proficiency in Java with 6+ years of professional development experience.
- Strong background in microservices architecture and multi-tenant SaaS systems.
- Expertise in pub/sub messaging patterns (e.g., Kafka, RabbitMQ, or AWS SNS/SQS).
- Hands-on experience with AWS EKS and container orchestration (Kubernetes).
- Strong understanding of monitoring and logging using AWS CloudWatch or similar tools.
- Proven experience applying Test-Driven Development (TDD) in real-world projects.
- Demonstrated leadership skills – mentoring, decision-making, and driving engineering excellence.
- Solid understanding of software engineering best practices, CI/CD, and version control (Git).
Requirements:
- Excellent knowledge of Core Java (J2SE) and J2EE technologies.
- Hands-on experience with RESTful services and API design is a must.
- Knowledge of microservices architecture is a must.
- Knowledge of design patterns is a must.
- Strong knowledge of Exception handling and logging mechanism is a must.
- Agile scrum participation experience. Work experience with several agile teams on an application built with microservices and event-based architectures to be deployed in hybrid (on-prem/cloud) environments.
- Good knowledge of Spring framework (MVC, Cloud, Data and Security. Etc) and ORM framework like JPA/Hibernate.
- Experience in managing the Source Code Base through Version Control tools like SVN, GitHub, Bitbucket, etc.
- Proven experience in any high-level programming languages like Java (Preferably)
- Strong knowledge of data structure, algorithms and coding
- Experience with any Messaging technologies like Kafka or Rab-bitMQ, etc.
- Proven experience in database technologies like NoSQL
- Hands-on experience with Spring, Spring Security, Spring boot, and Hibernate framework.
- Working knowledge of developing Restful Micro services.
- Strong analytical, problem-solving skills.
- Attend team meetings to discuss projects, brainstorm ideas, and put forward solutions to any issues.
- Ability to understand the Platform/domain of the business in detail & Ability to multi-task.
- Good communication and organizational skill
You will break down business opportunities and problems into software solutions. You will work closely with the CTO to help product and marketing stakeholders distill the product vision and roadmap, into a technology vision. You will be responsible for the evolution of an already bleeding-edge highly distributed systems at the back-end, and would need to work withfront-end architects to come up with the best user experience for the gaming platform. You will be required to make decisions quickly, and work under strict timelines. You would lead technology strategy through analysis of market trends and product requirements. You would help set coding guidelines and help bring the most modern tools to keep engineering processes most efficient.
Requirements:
● B.E/MS in Computer Science or equivalent.
● 10+ years or more of progressive software technology experience with at least 3 years
in an architectural role.
● Completely hands on with technology and architecture. Start-up experience is a huge
plus.
● Ability to quickly prototype and demonstrate technology value adds and educate + drive
adoption within the extended technology team
● Excellent and robust understanding of scalable product system architecture(s),
platforms and core technologies
● Demonstrated problem-solving and leadership skills to pursue correct engineering
process in adverse conditions. Ability to embrace and demonstrate leadership beyond
ownership
● Work with engineering leadership to setup and manage processes.
● Track record of thought leadership and out of the box thinking in the technology arena.
● Ability to work efficiently in an entrepreneurial and in a start-up environment
● A Java/Spring/Akka, Javascript or Golang rockstar.
● Deep and hands on knowledge of some of these technologies - MySQL, NodeJS,
message brokers such as Kafka/RabbitMQ, NoSQL datastore such as Mongo, Cassandra,
Arango, distributed caches such as Redis/memcached, container technology such as
Docker and Kubernetes etc.
● Great proficiency in distributed systems design, with an ability to make the right
trade-offs for creating future-proof solutions.
● Building quick PoCs and full-fledged solutions with various AWS managed services would
be a big plus.
Radisys Corporation is looking for JAVA Backend developers with 6-10 years of experience for their Bangalore location.
The ideal candidate will be able to design and develop code for tasks after brainstorming sessions and applying best practices and coding conventions.
This position requires experience in Java, Spring, Spring Boot, microservices, message broker, and DB knowledge. Candidates should be skilled in developing enterprise applications that consist of FE, BE, and DB integration.
If you have experience with Docker and Kubernetes, that's an added advantage.
Design software, write code, write unit test cases, test code and review code on a daily basis
Tactical contributions to the low-level implementation
Create/enhance scalable, high performance and fault-tolerant architectures
Develop complex and distributed software modules using Java/JEE, Streaming, and Big Data technologies
Identify the performance and scalability bottlenecks and provide solutions to resolve
Write software to develop products on a daily basis
Write unit test cases and schedule/execute them
Provide estimation during grooming and sprint planning
Skills:
Excellent communication skills, verbal and written; ability to communicate with technical team and clients
Experience working in an Agile environment
Excellent analytical skills, ability to think abstractly and solve complex problems
Expertise in common object-oriented and enterprise design patterns
Technology agnostic
Hands-on experience on frameworks like Spring MVC, Spring Boot, Hibernate, JPA, OGM
Hands-on experience with relational databases (like Postgres, MySQL, Oracle)
Experience with Elasticsearch is a must
Ability to learn new frameworks and design patterns is a must
Ability to translate ideas into designs and proof of concepts is a must
Experience in SAAS, PAAS and cloud platforms such as Azure/AWS/Google Cloud Platform
Knowledge of product architecture and ability to suggest the latest architectural components
Knowledge of exposing and scaling microservices
Experience working in Linux or OS X command line environments
Experience working with Git, or other SCM tool
Knowledge of Java/JEE technology stack for M2M Applications and Support Platforms.
Should be conversant with state of the art technologies in this space and possess the ability to translate
(optional)
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 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.
• Work with product team to understand product vision and requirements
• Solve complex technical problems and perform the code reviews for junior team members.
• Produce deliverables at a consistently high rate and with consistently excellent quality
• Work with a team of engineering professionals to ensure the highest quality product delivery
As a member of our team, you will be responsible for insuring the successful launch of many product features.
Key responsibilities
• Work in a product based R&D team and collaborate with other teams to integrate.
• Write code that is of high quality and consistent with our coding standards
• Analyze highly complex business requirements, break the requirements to multiple applications; generate technical
specifications to design or redesign complex software components and applications
• Maintain best practices for development/code changes as needed
• Design and architect software applications
• Conducting code reviews and enforcing the quality standards
• Conducting the daily SCRUM meetings and removing the roadblocks
• Performance testing and tuning for scalability
• Develop quick proof of concepts to set the technical direction for rest of the team.
• Work with Devops and Automation team to develop automation strategy for your application.
Requirements
• Bachelor’s Degree (Masters preferred) in Computer Science or related field
• 3+ years of software development experience on web applications
• Experience in working in an onsite and offshore development model
• Must have hands-on design and development experience in Cloud (GCP/AWS/Azure), Kubernetes, Microservices, Java, J2EE, Spring/Boot, Hibernate, JUnit and Integration with front end via rest interfaces.
• Must have Hands-on experience in Multi-threading, Non-blocking IO, Kafka, JMS
• Strong integration background required. Experience with Microservices, REST, JSON and APIs is required
• Experience with as many of the following is highly desirable: Tomcat, Node.js, XML, XSLT, XPath, Web Services, MongoDB, MYSQL, and query performance tuning
• Experience with code management and continuous integration techniques and tools such as Maven, Gradle, Github, JMeter, Jenkins, NPM etc. is highly desirable
• Experience building complex software systems that have been successfully delivered to customers
• Strong Computer Science fundamentals and working knowledge in data structures, algorithms, problem-solving and complexity analysis
• Knowledge of professional software engineering practices and best practices for the full software development life cycle (SDLC), including coding standards, code reviews, source control management, build processes, testing, and operations
• Proven ability to troubleshoot issues in production including root cause analysis
• Self-directed and capable of working effectively in a highly innovative and fast-paced environment
• Experience with Agile software development in a UNIX/Linux environment
• Experience with system architecture/design
Qualifications
• Passionate about technology and technical challenges of all types excite you
• Eagerness to learn and learn fast, enjoy working in a fast-paced environment
• Ability to develop detailed design and deliver a scalable implementation.
• Mentor developers in analysis, design, coding and unit testing techniques
• Motivated self-starter and team player; you inspire others to achieve great thing
Job brief
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.
Java developer responsibilities include designing, developing and delivering high-volume, low-latency applications for mission-critical systems.
Responsibilities
- Contribute in all phases of the development lifecycle
- 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
Requirements
- BS/MS degree in Computer Science, Engineering or a related subject
- Proven hands-on Software Development experience
- Proven working experience in Java development
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns.
- Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc)
- Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring Framework
- Experience as a Sun Certified Java Developer
- Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC)
- Experience with test-driven development

