



Job Description:
Proven experience as a Java Developer with a strong understanding of Java and its ecosystems.
Proficient in Spring Framework (Spring Boot, Spring MVC, Spring Data).
Experience with web application development using technologies such as HTML, CSS, and JavaScript.
Knowledge of relational databases (e.g., MySQL, PostgreSQL) and ORM frameworks (e.g., Hibernate).
Familiarity with build tools such as Maven or Gradle.
Understanding of software development life cycle (SDLC) and agile methodologies.
Excellent problem-solving and debugging skills.
Experience with microservices architecture.
Familiarity with containerization and orchestration tools (e.g., Docker, Kubernetes).
Candidate should also have some App development experience in cloud infra. Like familiarity with Docker, Helm Charts, Kubernetes or AWS/Azure k8s infra.
Candidate should have some App development experience in at least one No-SQL Database also (like MongoDB or Cassandra or Redis) apart from RDBMS.

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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We are seeking a highly skilled Senior Java Developer with expertise in Microservices architecture and Spring Boot to join our dynamic team. The ideal candidate will be responsible for designing, developing, and deploying scalable, high-performance backend solutions.
Key Responsibilities:
- Design, develop, and maintain Java-based applications using Spring Boot and Microservices architecture.
- Develop and implement RESTful APIs and integrate them with front-end components.
- Optimize application performance and ensure high availability and scalability.
- Collaborate with cross-functional teams to gather and analyze business requirements.
- Implement security best practices, including authentication and authorization mechanisms.
- Develop and maintain unit and integration tests to ensure robust software quality.
- Work with DevOps teams to automate CI/CD pipelines and ensure smooth deployment processes.
- Monitor and troubleshoot production issues, providing efficient resolutions.
- Stay updated with emerging technologies and best practices in Java development and cloud-native applications.
Required Skills & Qualifications:
- 8+ years of hands-on experience in Java development.
- Expertise in Spring Boot, Spring MVC, Spring Cloud, and other Spring frameworks.
- Strong experience with Microservices architecture and API development.
- Proficiency in RESTful services, JSON, and Swagger/OpenAPI.
- Hands-on experience with SQL and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB, Redis).
- Familiarity with message brokers like Kafka or RabbitMQ.
- Experience with containerization (Docker, Kubernetes) and cloud platforms (AWS, Azure, or GCP).
- Solid understanding of CI/CD pipelines using Jenkins, GitLab, or similar tools.
- Strong problem-solving skills and the ability to work in an agile development environment.
- Excellent communication and teamwork skills.
Nice-to-Have:
- Experience with GraphQL and event-driven architecture.
- Knowledge of reactive programming using WebFlux.
- Familiarity with observability tools like Prometheus, Grafana, ELK stack.
- 3+ 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.
SaaS (Mandatory)and Java, Spring boot, Azure is good go
Skills Required:
· Strong application development and design experience in highly Scalable enterprise JAVA/J2EE systems.
· Strong experience in complex application design, ability to provide solutions, design Concepts, design patterns.
· Strong understanding of Java best practices, system scalability, and performance tuning.
· Expertise in Spring (MVC, CORE, Boot, JDBC).
· Strong Knowledge of Restful services, XML, JSON are required.
· Having knowledge in Hadoop/Bigdata/ETL/Reporting systems is a plus.


- Design and build user-facing products, owning the entire process from gathering functional requirements from teams, through testing and staging, to deploying in a Python based stack
- Guide the team in making technical trade-offs
- Proactively identify bottlenecks, areas for improvement and put forth a plan to course-correct
- Design and implement maintainable backend services, including data processing pipelines, APIs and internal tools
- Coordinating with internal teams to understand user requirements and provide technical solutions


- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Ability to understand business requirements and translate them into technical requirements
- You will ensure that these components and the overall application are robust and easy to maintain.
- Have a good understanding of design and user experience principles.
- Open-minded, flexible, and willing to adapt to changing situations
- Ability to work independently as well as on a team and learn from colleagues
- High adaptability in a dynamic start-up environment
- Ensuring technologies are used efficiently, profitably, and securely. Evaluating and implementing new systems and infrastructure.
- Excellent troubleshooting, analytical and problem-solving abilities with a tenacious commitment to finding the root cause of issues.
Qualifications :
- B. Tech/ B.E. /M. Tech/ BCA / MCA or a related technical discipline from reputed universities
Skills Required :
- Minimum 2+ years of experience in REST API development using python.
- Must have experience with anyone popular python frameworks like Django, Flask, and FastAPI Framework.
- Experience in designing and developing Restful Web services and Remote procedure calls.
- Able to integrate multiple data sources and databases into one system
- Knowledge of load testing and optimizing code for performance, security, and scalability
- Experience with Unit testing frameworks in Python
- Knowledge of modern authorization & authentication mechanisms.
- Able to create database schemes that represent and support business processes
- Knowledge of Version Control System & basics of CI/CD
- Write and maintain technical documentation
- Solid foundation in OOPS, Data structures, and Algorithms
- Knowledge of SDLC phases of project development.
- Experience in one or more No SQL Databases such as MongoDB, and Cassandra.
- Experience with event-based databases and programming
- Good experience in synchronous programming and thread-based programming.
- Experience with schedulers.
- Good to have knowledge of Linux shell commands.
- Good to have experience in Kubernetes & Docker
- Knowledge of any Cloud Service like GCP or AWS would be an added advantage
- Cares deeply about writing Quality, Testable & Modular code
- Good to have an understanding of NLP.
Job Description:
Mandatory Skills: Java, J2ee, spring, hibernate, spring mvc.
Preferred: Restful, microservices, spring boot.
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Top Skills:
You write high-quality, maintainable, and robust code, often in Java/C#/Python/C++/Go/Ruby on Rails.
You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
Roles & Responsibilities:
You solve problems at their root, stepping back to understand the broader context.
You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
You recognize and use design patterns to solve business problems.
You understand how operating systems work, perform and scale.
You continually align your work with Amazon’s business objectives and seek to deliver business value.
You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
You communicate clearly with your team and with other groups and listen effectively.
Skills & Experience:
Bachelors or Masters in Computer Science or relevant technical field with 3+ years of experience in Design and Development
Experience in software development and full product life-cycle.
Excellent programming skills in any object-oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
Proficiency in SQL and data modeling.
Location: Hyderabad/Bangalore
CTC - no bar



We are looking for a Sr. Backend Developer to produce scalable software solutions. You’ll be
part of a cross-functional team that’s responsible for the full software development life cycle,
from conception to deployment.
As a Sr. Backend Developer, you should be comfortable around both front-end and back-end
coding languages, development frameworks and third-party libraries. You should also be a team
player with a knack for visual design and utility.
Responsibilities
Work with development teams and product managers to ideate software solutions
Design client-side and server-side architecture
Build the scalable applications using microservice architecture.
Develop and manage well-functioning databases and applications
Write effective APIs
Test software to ensure responsiveness and efficiency
Troubleshoot, debug and upgrade software
Create security and data protection settings
Build features and applications with a mobile responsive design
Write technical documentation
Work with data scientists and analysts to improve software
Requirements
Proven experience of 2+ years as Backend Developer or similar role
Experience developing desktop and mobile applications
Familiarity with common stacks, and excellent understanding of MVC architecture.
Good Knowledge of. Python and Django framework, having experience with Flask, FastAPI and
Falcon is a plus.
Experience with NoSQL, Elastic Search, Celery, Redis, RabbitMQ.
Experience with databases (e.g. Postgres, MySQL, MongoDB), web servers (e.g.
Apache/Nginx) and UI/UX design
Knowledge of digital marketing tools
Familiarity with Google AdWords API, Google Analytics API, Facebook Ads API etc.
Familiarity of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML,
jQuery)
Excellent communication and teamwork skills
Great attention to detail
Organizational skills
An analytical mind


