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Job Summary
We are seeking an experienced Senior Java Developer with strong expertise in legacy system migration, server management, and deployment. The candidate will be responsible for maintaining, enhancing, and migrating an existing Java/JSF (PrimeFaces), EJB, REST API, and SQL Server-based application to a modern Spring Boot architecture. The role involves ensuring smooth production deployments, troubleshooting server issues, and optimizing the existing infrastructure.
Key Responsibilities
● Maintain & Enhance the existing Java, JSF (PrimeFaces), EJB, REST API, andSQL Server application.
● Migrate the legacy system to Spring Boot while ensuring minimal downtime.
● Manage deployments using Ansible, GlassFish/Payara, and deployer.sh scripts.
● Optimize and troubleshoot server performance (Apache, Payara, GlassFish).
● Handle XML file generation, email integrations, and REST API maintenance.
● Database management (SQL Server) including query optimization and schema updates.
● Collaborate with teams to ensure smooth transitions during migration.
● Automate CI/CD pipelines using Maven, Ansible, and shell scripts.
● Document migration steps, deployment processes, and system architecture.
Required Skills & Qualifications
● 8+ years of hands-on experience with Java, JSF (PrimeFaces), EJB, and REST APIs.
● Strong expertise in Spring Boot (migration experience from legacy Java is a must).
● Experience with Payara/GlassFish server management and deployment.
● Proficient in Apache, Ansible, and shell scripting (deployer.sh).
● Solid knowledge of SQL Server (queries, stored procedures, optimization).
● Familiarity with XML processing, email integrations, and Maven builds.
● Experience in production deployments, server troubleshooting, and performance tuning.
● Ability to work independently and lead migration efforts.
Preferred Skills
● Knowledge of microservices architecture (helpful for modernization).
● Familiarity with cloud platforms (AWS/Azure) is a plus.
Immediate Joiners Preferred. Notice Period - Immediate to 30 days.
Overview
adesso India specialises in optimization of core business processes for organizations. Our focus is on providing state-of-the-art solutions that streamline operations and elevate productivity to new heights.
Comprised of a team of industry experts and experienced technology professionals, we ensure that our software development and implementations are reliable, robust, and seamlessly integrated with the latest technologies. By leveraging our extensive knowledge and skills, we empower businesses to achieve their objectives efficiently and effectively.
Job Description
We are seeking a skilled Full Stack (FSE) Developer with expertise in Java, Spring Boot development to join our dynamic team. In this role, you will be responsible for development of critical banking application across various business domains. You will collaborate closely with cross-functional teams to ensure high-quality solutions are developed, maintained, and continuously improved.
Responsibilities:
Development of business-critical banking applications.
Develop new features for banking applications using FSE technologies.
Ensure code quality through proper testing, reviews, and adherence to coding standards.
Collaborate with design, backend, and other teams to deliver seamless user experiences.
Troubleshoot, debug, and optimize performance issues.
Participate in agile development processes and contribute to continuous improvement initiatives.
Requirements:
Bachelors/Masters degree in computer science, Software Engineering, or a related field.
4 – 6 years of relevant experience in application development.
Solid experience in:
Java, Spring Boot.
APIs / REST.
Kubernetes / OpenShift.
Azure DevOps.
JMS, Message Queues.
Nice to have knowledge in:
Quarkus.
Apache Camel.
Soft skills / Personality:
Excellent English communication skills / proactive communication.
Candidate needs to have Self-dependent working style.
Candidate needs to have problem solving skills (Strong analytical skills to identify and solve complex issues).
Candidate needs to show high Adaptability (Flexibility in adjusting to different working environments and practices).
Candidate needs to be quick in Critical thinking (Evaluating information and making informed decisions).
Candidate needs to have Team collaboration (Ability to work collaboratively with a distributed team) character.
Candidate needs to have Cultural awareness ability.
Candidate needs to be Initiative (Proactively seeking solutions and improvements).
Good to have knowledge about Co Banking systems.
Good to have Banking domain knowledge.
Experience in customer facing is an advantage.
Skills & Requirements
Java, Spring Boot, APIs/REST, Kubernetes, OpenShift, Azure DevOps, JMS, Message Queues, Quarkus, Apache Camel, Excellent English communication, Proactive communication, Self-dependent working, Problem-solving, Analytical skills, Adaptability, Critical thinking, Team collaboration, Cultural awareness, Initiative, Co-banking systems knowledge, Banking domain knowledge, Customer-facing experience.
Position Title: Senior Software Developer
Freestone Infotech is a global IT solutions company providing innovative best-in-class turnkey solutions toenterprises worldwide. http://freestoneinfotech.com/
Experience: 5+ yrs
Core Experience:
• Experience in Core Java, J2EE, Spring/Spring Boot, Hibernate, Spring REST, Linux, JUnit, Maven, Design Patterns.
• Sound knowledge of RDBMS like MySQL/Postgres, including schema design.
• Proficient in general programming, logic, problem solving, data structures & algorithms
• Exposure to Linux environment.
Secondary Skills:
• Agile / Scrum Development Experience preferred.
• Comfortable working with a microservices architecture and familiarly with NoSql solutions.
• Experience in Test Driven Development. • Good analytical, grasping and problem-solving skills.
• Excellent written and verbal communication skills.
• Hands-on skills in configuration of popular build tools, like Maven and Gradle
• Good knowledge of testing frameworks such as JUnit.
• Good knowledge of coding standards, source code organization and packaging/deploying.
• Good knowledge of current and emerging technologies and trends.
Job Responsibilities:
• Design, Development and Delivery of Java based enterprise-grade applications.
• Ensure best practices, quality and consistency within various design and development phases.
• Develop, test, implement and maintain application software working with established processes.
Education and Experience: • Bachelor’s / master’s degree in computer science or information technology or related field.
Responsibilities :
- Lead the development of the backend systems for our client's first product.
- Build reliable, secure, and performant backend systems.
- Drive test coverage and continuous delivery automation within the team.
- Mentor and provide feedback to teammates.
- You should have a min of 8 years of software development experience and management.
- Can write code that is readable, maintainable, secure, and performant.
- Know the importance of tests and how to approach writing different types of tests, good intuition for REST API design
- Deep understanding of relational databases, transactions, entity-relationship modeling.
- Comfortable writing highly concurrent systems.
- Experienced in using profilers, tuning garbage collection, optimizing SQL queries.
Desired Skills :
- Golang, Java, Python, Ruby, Node.
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Design and implement APIs and backend systems to support the functionality of our live stream shopping mobile application
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Integrate with third-party services and APIs to enable features such as payment processing, real-time inventory updates, and user authentication
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Collaborate with the front-end development team to ensure smooth and seamless integration between the front-end and backend systems
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Monitor and optimize the performance and scalability of our backend systems to ensure a seamless user experience
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Write clean, maintainable, and well-documented code
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Stay up-to-date with industry best practices and new technologies
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Bachelor's or Master's degree in Computer Science or a related field
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3+ years of experience in backend development
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Strong knowledge of at least one programming language, such as Java, Python, or Ruby
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Experience with RESTful APIs and microservices
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Experience with database design and SQL
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Experience with cloud computing platforms such as Amazon Web Services or Google Cloud Platform
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Excellent problem-solving and communication skills
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Experience with AWS
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Experience with live stream technology or e-commerce platforms
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Experience with agile development methodologies
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Experience with containerization and orchestration platforms such as Docker and Kubernetes
What we look for:
- Strong analytical and problem-solving skills
- Hands on programming work in Advance Java, Springs, Spring Boot framework,
- Ability to independently work on complex business requirements
- Ability to communicate clearly and concisely
What will you do:
You will independently work on designing and developing solutions that solve customer’s business problems. You will own the assigned problem statements, evaluate multiple technical approaches and use design-thinking to take independent decisions while implementing the solution. You will also guide junior members of the team and participate in code and design review process.
Who should apply:
You have -
- a graduate degree in BE, BTech, MTech, MCA from a reputed institute
- 5 to 7 years of hands-on experience in programming Core Java 8, Spring Boot, Spring Rest Template, Spring Security, Spring Data, Spring JDBC Template
- Good to Have experience/knowledge on Docker, Oracle, MongoDB, Quartz Scheduler, Shell scripting
- Working experience with Windows, Linux environments
Proficient in Java 8 Version, J2EE and related technologies.
• Experienced in using spring, Spring Boot, Hibernate, messaging systems.
• Good understanding of relational database performance concepts and usage of ORM frameworks such as Hibernate
• Expert understanding of the object-oriented design and programming concepts
• Strong working experience on Data Structures, Algorithms and Collections.
• Solid experience building applications on top of RESTful APIs.
• Knowledge/experience with Spring MVC
• Stroing knowledge in developing and executing automated unit, functional and integration tests
• Good communication and analytical skills.
• Strong trouble shooting skills

About the Role
The Engineering team in Bangalore, India is building products for the Martial Arts
fans across the world. As part of the engineering team, you would be expected to have
deep technology expertise with a passion for building highly scalable products.
This is a unique opportunity where you can impact the lives of people across 150+
countries!
Responsibilities
Own architecture, design, development, and implementation of different
modules/features of the services
Design, develop, deploy and support web applications.
Discover opportunities for performance improvements
Recommend ways to improve reliability, efficiency and code quality
Focus on continuous delivery and reducing complexity
Carry out code reviews and manage pull requests
Build applications based on micro-services architecture.
Requirements
Overall 1~3 years of experience in Backend development.
B. E/B. Tech in CS or equivalent streams from institute of repute (IITs, NITs, BITs,
IIITs or equivalent)
Strong object oriented design skills & knowledge of design patterns
Experience designing & developing distributed systems involving multiple web
services, databases (both SQL and NoSQL), caches, queues, etc. taking into
consideration scalability, availability, fault tolerance, consistency, etc. of the
overall system
Well-aware of and enforces development best practices: Unit Tests, Code Reviews,
Integration Tests, CI/CD, Monitoring, Alerting, etc.
Libraries, Interface, Language Fundamentals
Data Structures, Algorithms, Collections
Design Patterns, Singletons
Multithreading
Messaging, CI/CD
Databases
Tooling:
Application Layering, Architectural Design
Unit Testing/ Integration Testing
Any Devops tooling experience (Docker/ Kubernates/ Terraforms)
Tool Configuration and Log Monitoring
Responsibilities:
- Strong Technical Chops: You should know how to build highly scalable, robust, and fault-tolerant services that support our unique rate-of-growth requirements.
- You should be on top of the latest architectural trends.
- Fast Learners: We are looking for folks who thrive on new technologies and don't believe in one-size-fit all solutions.
- You should be able to adapt easily to meet the needs of our massive growth and rapidly evolving business environment.
- You understand requirements beyond the written word.
- Whether you're working on an API used by other developers, an internal tool consumed by our operation teams, or a feature used by millions of customers, your attention to details leads to a delightful user experience.
Requirements:
- Strong knowledge of MySQL, NoSQL, PostgreSQL, ElasticSearch.
- Experience in Java and web technologies.
- Experience in any one scripting language like Python.
- Hands-on experience with systems that are asynchronous, RESTful and demand concurrency.
- Knowledge of best software engineering practices for all stages of software development life cycle, including coding standards, code reviews, testing and deployment.

