Core Java - Multithreading, Exception handling, Garbage collection.
at OpexAI

About OpexAI
About
We at opexAI strive to make business strategies and provide effective solutions to your complex business problems using AI, machine learning and cognitive computing approaches. With a 40+ years experience in analytics and a workforce of highly skilled and certified consultants, we provide a realistic approach to help you chart an optimal path to success.
Connect with the team
Company social profiles
Similar jobs (10)
SDE
Responsibilities
- Software Engineering
- Design and develop highly scalable, available, reliable, secure and fault tolerant systems with minimal guidance for a market leader in the logistics industry
- Partner with team members on functional and nonfunctional requirements and spread design philosophy, goals and improve the code quality across the team
- Research new technologies and tools that enable building the next generation of our services
- Provide technology leadership to the team and foster engineering excellence
- Product Delivery
- Partner with product managers to define and execute on the feature roadmap
- Translate business requirements into scalable and extensible design
- Coordinate with various cross functional teams on planning and execution
- Maintaining automated build / test / deployment environments
Qualifications
- Software Engineering
- Should have at least 3 years of hands-on experience in designing, developing, testing and deploying applications on Java, Ruby, Kotlin, Python, Node or Go for large scale applications
- Deep knowledge of one of the programming languages they have experience in
- Proficient in OOP and Design Patterns, experience with functional programming would be a plus
- Data modelling experience in Relational Databases
- Ability to design and implement low latency RESTful services
- Product Delivery
- Ability to scope, review and refine user stories for technical completeness and to alleviate dependency
- Well versed in working with agile methodologies which includes phases such as design, development, code review, testing and release management
- Ability to have worked in a CI/CD environment, with hands on experience with Git or any similar source code management tools
- Product Maintenance
- Experience troubleshooting server performance issues such as memory tuning, GC tuning, resource leaks
- Continuously refactor applications to ensure high quality design
JOB DESCRIPTION:
Location: mumbai
Mode of Work : 3 days from Office
DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API
- Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
- Implement and integrate APIs using Spring Framework and Apache CXF.
- Build microservices-based architecture for scalable and distributed systems.
- Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
- Optimize performance through efficient multithreading, memory management, and algorithm design.
- Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
- Work with RDBMS (preferably Sybase) for backend data integration.
- Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
- Work in Unix/Linux environments for deployment and troubleshooting.
Required Skills & Experience:
- 3– 7 years of strong hands-on experience in Core Java, Spring boot, microservices, data structures.
- Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
- Proven experience with Spring, CXF, and REST/SOAP web services.
- Solid understanding of microservices architecture and distributed systems.
- Experience working with Sybase or other relational databases.
- Expertise in multithreading, concurrency, and high-throughput server-side development.
- Exposure to capital markets, sales & trading platforms, or similar financial services applications.
- Good working knowledge of Unix/Linux environments.
- Experience in solution architecture and design documentation is a strong plus.
- Strong problem-solving skills, analytical thinking, and a proactive attitude.
- Excellent communication and interpersonal skills to work effectively with global teams.
Preferred Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
- Previous experience in investment banking, capital markets, or financial technology domains.
- 1-5 years of experience in Java Development.
- Very good with DSA - Java programming.
- Hands-on experience in working with REST APIs & Web Services.
- Good Database design skills - SQL
- Write well-designed, testable, efficient code.
- Contribute to all phases of the development lifecycle.
Work Location : Bangalore
Work mode : Work from office.
-
3+ years of Experience in software Design and development and familiar with technologies - Java, Java-J2EE, Spring Boot, Hibernate, Ajax, REST API, Micro services etc.
-
Working knowledge of JVM internals
-
Working knowledge of any database (MySQL or HSQLDB)
-
Working knowledge of No-SQL database (Mongo or Dynamo DB)
-
Working experience with messaging (JMS/RabbitMQ)
-
R & D on new advanced cloud-based technologies in a test-driven agile development.
-
Knowledge in designing and architecting systems with high scalability and performance requirements.
-
Ability to understand infrastructure for performance evaluation and reporting of cloud-based services, namely AWS
-
knowledge of key AWS services like EC2, S3, Lambda, CloudWatch etc.
-
Certification on AWS Fundamendals
-
Excellent communication skills
-
ability to effectively articulate technical challenges and solutions
-
skilled in interfacing with internal and external technical resources
-
Good in debugging problems and mentoring teams on technical front

Job Role: Java SpringBoot Developer
Job Description:
- Should have expertise in Core Java, Java & J2ee
- Built MVC based Web Application Using JSP/Struts framework
- Hands on experience of OOPS concepts, Hibernate and Spring version 3.x 1, Spring Boot
- Hands on experience of Application Servers like Tomcat and WebLogic.
- Hands on experience of Restful services and Web services
- Experience in deploying Spring boot in Micro services
- Good verbal and written communication
- Excellent team player, ability to work in a global team and follow through on deadlines
Primary Skills:
- Core Java, Java & J2ee
- Spring Boot
Out of which, an experience of 1 to 2 years in Spring Boot and Microservices is mandatory
Need to have an experience working on Digital Domain or E-Commerce Domain or Travel Domain
Strong experience with Java 8, Spring and Spring Boot, Spring MVC, Spring Data
Working experience on Microservices
Version Control: Git
Strong understanding of functional/reactive programing, OOP, design
Experience on Docker and Kubernetes.
SDLC: Working experience in Agile methodology
Strong written and verbal communication skills
Strong Interpersonal skills and Time Management skills
Immediate Joiners Preferred
Within maximum 30 days notice period can also apply
Currently remote working, however, post pandemic, candidates need to relocate to any of the location given above
About US: Newbie Soft Solutions is an IT service provider focused on providing solutions in niche areas to support and build future -ready, resilient solutions for medium sized industries and growth-focused technology organizations.
The name NEWBIE signifies a new chapter, a new beginning in the field of staffing solutions. Founded in 2015, we have grown from strength to strength with a strong presence across India, United States and Australia. Our offerings include Staffing Solutions, IT Consulting, Business Intelligence, Security Solutions, Legacy Application Management and Modernization. We value consistency, which is our core principle, to reach the end goal of complete user satisfaction. We constantly strive to outperform our competitors to become the leaders in digital revolution.
Job Requirement :
- Clear understanding of end to end communication of service calls via API Gateway/Service Mesh/Service Registry
- Experience on Springboot/SpringCloud/Restful Webservices
- Experience in containerisation (Docker) and Kubernetes in terms of creating container images and writing manifest files/helm charts on designing PODs/Side-car patterns etc.
- Good design experience on Web Applications (backend) & since we operate as a DevOps pod we would expect the person be involved in production deployments/support.
- Exposure to usage of CI-CD tools like Git/Jenkins/Maven/Sonar/Junit/CheckMarx/Netsparker/Cucumber
General Accountabilities/Job Responsibilities
- Participation in the requirements analysis, design, development and testing of applications.
- The candidate is expected to write code himself/herself.
- The candidate is expected to write high level code, code review, unit testing and deployment.
- Practical application of design principles with a focus on the user experience, usability, template
- designs, cross browser issues and client server concepts.
- Contributes to the development of project estimates, scheduling, and deliverables.
- Works closely with QA team to determine testing requirements to ensure full coverage and best
- quality of product.
- There is also the opportunity to mentor and guide junior team members in excelling their jobs.
Job Specifications
- BE/B. Tech. Computer Science or MCA from a reputed University.
- 3 -12 Years of experience in software development, with emphasis on JAVA/J2EE Server side programming.
- Hands on experience in Core Java, Multithreading, RMI, Socket programing,
- JDBC, NIO, webservices and Design patterns.
- Should have Knowledge of distributed system, distributed caching, messaging frameworks,
- ESB etc.
- Knowledge of Linux operating system and PostgreSQL/MySQL/MongoDB/Cassandra database is essential.
- Additionally, knowledge of HBase, Hadoop and Hive are desirable.
- Familiarity with message queue systems and AMQP and Kafka is desirable.
- Should have experience as a participant in Agile methodologies.
- Should have excellent written and verbal communication skills and presentation skills.
- This is not a Fullstack requirement, we are purely looking out for Backend resources.






