
Radisys Corporation, a global leader in open telecom solutions, enables service providers to drive disruption with new open architecture business models. Our innovative technology solutions leverage open reference architectures and standards, combined with open software and hardware, to power business transformation for the telecom industry. Our services organization delivers systems integration expertise necessary to solve complex deployment challenges for communications and content providers.
Job Overview :
We are looking for a Lead Engineer - Java with a strong background in Java development and hands-on experience with J2EE, Springboot, Kubernetes, Microservices, NoSQL, and SQL. As a Lead Engineer, you will be responsible for designing and developing high-quality software solutions and ensuring the successful delivery of projects. role with 7 to 10 years of experience, based in Bangalore, Karnataka, India. This position is a full-time role with excellent growth opportunities.
Qualifications and Skills :
- Bachelor's or master's degree in Computer Science or a related field
- Strong knowledge of Core Java, J2EE, and Springboot frameworks
- Hands-on experience with Kubernetes and microservices architecture
- Experience with NoSQL and SQL databases
- Proficient in troubleshooting and debugging complex system issues
- Experience in Enterprise Applications
- Excellent communication and leadership skills
- Ability to work in a fast-paced and collaborative environment
- Strong problem-solving and analytical skills
Roles and Responsibilities :
- Work closely with product management and cross-functional teams to define requirements and deliverables
- Design scalable and high-performance applications using Java, J2EE, and Springboot
- Develop and maintain microservices using Kubernetes and containerization
- Design and implement data models using NoSQL and SQL databases
- Ensure the quality and performance of software through code reviews and testing
- Collaborate with stakeholders to identify and resolve technical issues
- Stay up-to-date with the latest industry trends and technologies

About Radisys India
About
Radisys are a global leader in open telecom solutions and a proud member of the Reliance Industries family. We enable service providers to become digital experience providers through open and disaggregated platforms and solutions. Our end-to-end portfolio spans from digital endpoints, to open disaggregated access and core solutions, to immersive digital applications and engagement platforms. Our expert services organization delivers full lifecycle support to help service providers build and operate highly scalable, high-performance networks.
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Node.js Developer / NestJS Developer – Job Description
A Bachelor’s Degree or Master’s Degree in Computer Science is preferred with excellent problem solving skills.
Job Type: Full-time
Job Location: Bengaluru (on site)
Preferred Skills: TypeScript / Nodejs, SQL/ MySQL
Experience: Min 2yrs in similar Role.
Responsibilities:
- Develop and Maintain Server-side Logic: Design, implement, and maintain the server-side logic using Node.js, ensuring high performance and responsiveness to requests from the front-end.
- API Development: Build and maintain RESTful APIs for seamless integration with front-end services and third-party applications.
- Database Management: Work with databases (such as MongoDB, MySQL, PostgreSQL) to ensure data consistency, reliability, and optimal performance.
- Code Quality and Testing: Write clean, maintainable, and efficient code. Implement automated testing platforms and unit tests.
- Collaboration: Work closely with front-end developers, designers, and other team members to define and implement technical solutions that meet business requirements.
- Troubleshooting and Debugging: Identify issues, debug, and resolve bugs and other technical problems in a timely manner.
- Documentation: Create and maintain documentation related to application development, API usage, and system operations.
- Stay Updated: Keep up-to-date with the latest industry trends and technologies to ensure the application remains modern and competitive.
Key Responsibilities:
- Rewrite existing APIs in NodeJS.
- Remodel the APIs into Micro services-based architecture.
- Implement a caching layer wherever possible.
- Optimize the API for high performance and scalability.
- Write unit tests for API Testing.
- Automate the code testing and deployment process.
Skills Required:
- At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Excellent hands-on experience using MySQL or any other SQL Database.
- Good knowledge of MongoDB or any other NoSQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience with graph-based databases like GraphQL and Neo4j.
- Experience developing and deploying REST APIs.
- Good knowledge of Unit Testing and available Test Frameworks.
- Good understanding of advanced JS libraries and frameworks.
- Experience with Web sockets, Service Workers, and Web Push Notifications.
- Familiar with NodeJS profiling tools.
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
- Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
- Experience building a large-scale social or location-based app.


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Backend Developer (Django + MongoDB) Bangalore Role and Responsibilities We're looking for a hands-on Sr. Backend Developer to work on the design and development of our backend services which are written in Python/Django.
Responsibilities
● Developing restful APIs using the Python Django framework.
● Design and implementation of low-latency, high-availability, and performant applications.
● Interface with business to define requirements, and deliverables, and provide the necessary engineering expertise & support to ensure on-time delivery.
● Work closely with front-end team, Android team, iOS team, Designers and operations to ease integration skills.
● Expert in Python, with knowledge of Django.
● Familiarity with MongoDB, Redis, and Celery.
● Experience with web paradigms such as RESTful APIs, and Test-driven Development (TDD).
● Understanding of the threading limitations of Python, and multi-process architecture.
● Knowledge of user authentication and authorisation between multiple systems, servers, and environments
● Proficient understanding of Git code versioning tool.
● Proven ability to work in a fast-paced, agile and in ownership and results-oriented culture
● Experience with architecting systems for AWS is compulsory.
Qualifications
● 5+ years of experience building web-scale, highly available backends for web and/or mobile.
● 5+ years of experience with Django, MongoDB, Celery, and Django REST Framework.
● Strong problem-solving skills.
Skill set Key words
Java17, Java Spring Boot, Kubernetes/AKS/Docker(Knowledge), Microservices, (MongoDB/DynamoDB)
Role and Resposbilities :
• Hands on experience in Java back-end development and skills with Spring-boot framework
• Real life experience with Continuous Delivery principles and related tools (Kubernetes, AKS, Docker)
• Expertise with Microservices design
• Understanding of the Design Patterns, Architectural Blueprints, UML and Application Design
• Experience in stateful application and web sessions
• Experience with MongoDB, DynamoDB
• Excellent communication skills and an ability to work in a team
Hi,
We are hiring for the position of Java Tech Lead. Please find below the details for the same.
A passionate developer who has a strong working knowledge of OOPS and functional programming
principles. Standard Definitions and abbreviations don't entice us that much.
Key skills:
• Strong Java and J2EE background with 5-7 years of experience.
• Strong working experience in Multi-Threading, Exception Management and the Use of Collections.
• Sound knowledge of working with application aspects i.e., Caching, Asynchronous APIs, Logging etc.
• Experience with web application frameworks like Spring Boot or Dropwizard.
• Unit Testing is an everyday affair and hence demands very good unit testing skills using tools like Junit & TestNG.
• Understanding of relational databases, RESTful services, and build tools like Maven & Gradle
• Knows what and when to mock and has used frameworks like Mockito/Power Mock.
• Understanding of message queues such as ActiveMQ, Kafka, and RabbitMQ.
• Version Control is treated as important as programming skills. Fluent with version control tools like Git and Bitbucket.
• Exposure to Agile/Scrum, TDD not in theory but in practice.
• Experience with Continuous Integration, Continuous Deployment, Static Code Analysis, Jenkins and SonarQube.
• Willingness to take ownership of the technical solution and ensure technical expectations of deliverables are met.
• Strong communication skills along with the ability to articulate technical designs and concepts.
• Exposure to cloud and containerization would be a plus.
• Hands-on experience in application development in an enterprise setup.
• Have a good understanding of Distributed Application Architecture.
Required Skills:
• 4+years of software development experience
• Good grasp on programming fundamentals including OOP, Design Patterns, Data Structures, Networking and OS Concepts
• Excellent coding skills (We prefer java).
• Flexible to work on any technology. Should be able to pick-up new technologies fast.
• Expertise in any programming language
• Good knowledge of relational databases and writing complex queries
• Good knowledge of web 2.0 technologies
• Knowledge of distributed systems, Multi-threading, network programming.
• Exhibit passion and enthusiasm for building and maintaining large scale platforms.
• Passionate about automated testing, good design, performance and scalability.
• Able to solve complex algorithms
• Excellent analytical, logical and problem-solving skills
Role/ Responsibilities
- Design APIs, DB, Queues, monitoring for micro services.
- Writing, deploying and managing micro services.
- Migrate existing components into distributed micro service architecture.
- AWS Cloud / Google Cloud Platform (Manage Infrastructure).
- API integration with 3rd parties.
- Unit test cases, automation.
- Database optimisation.
- Design of highly concurrent backend architecture.
- Handling high traffic data.
Experience required:
- Sound fundamentails in software design.
- Must have worked on distributed and micro service architecture.
- Sound fundamentals on scale/ performance/ memory optimisation.
- Sound fundamentals of authentication, authorization, payment processes, data security.
- Must have experience in Spring / Spring boot.
- Good to have experience in Kafka / JMS / RabbitMQ / AWS Elastic queue.
- Good to have experience in Junit / mockito unit test cases.
- Good to have knowledge in Mysql (or any RDBMS).





