JavaSpring Developer at Deltacubes · Remote only · 7 - 12 years · ₹1L - ₹15L / yr · Bootstrapped · Remote only · Posted 29 Jul 2022
Hiring-Java Spring Freelance Consultant (WFH-Remote)
Greetings from Deltacubes Technology!!
Skillset Required:
Stream api
Functional Programing
Microservice
Experience:
7+years
Thanks
Bavithra

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- Experience in Core Java, CXF, Spring.
- Experience in spring boot, microservices.
- Extensive experience in developing enterprise-scale n-tier applications for the financial domain. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client-facing applications.
- Good development experience with RDBMS, preferably Sybase database
- Good knowledge of multi-threading and high volume server side development
- Experience in sales and trading platforms in investment banking/capital markets
- Basic working knowledge of Unix/Linux
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
Applications on this job are not being reviewed actively. You may apply but please follow up with the company via other channels too.
Greetings from NAM Info Pvt Ltd,
Job Title: Senior Java Spring Boot & Microservices Developer
Experience: 7+ Years
Primary Skills: Java 8/10, Spring Boot, Microservices, REST APIs, Kafka
Job Summary
We are looking for an experienced Java Spring Boot & Microservices Developer with 7+ years of hands-on experience in designing, developing, and deploying scalable enterprise applications. The ideal candidate should have strong expertise in Java 8/10, Spring Boot, Microservices architecture, RESTful APIs, Kafka, multithreading, collections, and coding best practices.
Key Responsibilities
- Design, develop, and maintain scalable applications using Java 8/10 and Spring Boot.
- Build and implement Microservices-based applications following industry best practices.
- Develop and integrate RESTful APIs with internal and external systems.
- Implement asynchronous and event-driven solutions using Apache Kafka.
- Write clean, efficient, maintainable, and reusable code.
- Optimize application performance using Java Collections, Multithreading, and Concurrency concepts.
- Troubleshoot, debug, and resolve production issues.
- Participate in code reviews and ensure adherence to coding standards.
- Collaborate with cross-functional teams including Product, QA, DevOps, and Business stakeholders.
- Contribute to architecture discussions and technical design decisions.
Required Skills
- 7+ years of hands-on experience in Java development.
- Strong proficiency in Java 8/10 features (Streams, Lambda Expressions, Optional, Functional Interfaces, etc.).
- Excellent understanding of Java Collections Framework.
- Strong knowledge of Multithreading and Concurrency.
- Hands-on experience with Spring Boot.
- Solid experience in developing REST APIs.
- Strong practical experience in Microservices architecture.
- Hands-on experience with Apache Kafka.
- Good understanding of object-oriented programming (OOP), design patterns, and SOLID principles.
- Strong coding, debugging, and problem-solving skills.
- Experience with Git and Maven/Gradle.
- Knowledge of SQL databases and API testing tools such as Postman.
Preferred Skills
- Experience with Docker and Kubernetes.
- Familiarity with CI/CD pipelines.
- Experience working with cloud platforms such as AWS, Azure, or GCP.
- Knowledge of monitoring and logging tools.
- Exposure to Agile/Scrum development methodologies.
Mandatory Technical Expertise
- Java 8/10
- Spring Boot
- REST APIs
- Microservices
- Apache Kafka
- Multithreading
- Collections Framework
- Strong Coding & Problem-Solving Skill
Position Title : Software Engineer
Position Type: Full-Time
Department: Research & Development
Reports To: First Level Manager,
Company Background:
Affiliated with US Group companies, CGLIA Solutions LLP is an innovative Software Product Development organization developing highly available, highly secure, cloud-based enterprise software products catering to the needs of leading Research Facilities, University Medical Centers, Hospitals, and Pharmaceutical companies across the globe, ultimately contributing to the development of life-saving medications.
CGLIA is committed to helping software professionals unleash their creativity, build world-class enterprise applications, and accelerate their careers in a collaborative and innovation-driven environment.
Job Summary :
As a Software Engineer (Java), you will be responsible for designing, developing, and maintaining scalable, secure, and high-performance cloud-based enterprise applications. You will work closely with Product Management, Business Analysts, QA, DevOps, and cross-functional engineering teams to deliver innovative software solutions that exceed customer expectations.
The ideal candidate should be a self-starter with excellent analytical and problem-solving skills, strong expertise in Java backend technologies, and a passion for developing high-quality software. This role also provides an opportunity to mentor junior engineers, participate in technical discussions, and contribute to architectural decisions.
Key Responsibilities
- Participate in requirement analysis and collaborate with Product Management to understand functional and non-functional requirements.
- Contribute to technical design discussions and prepare technical design documentation.
- Design, develop, test, and maintain scalable backend applications using Java and Spring Boot.
- Develop and maintain RESTful APIs and Microservices.
- Write clean, reusable, maintainable, and well-documented code following industry best practices.
- Optimize application performance, scalability, reliability, and security.
- Perform unit testing, code reviews, debugging, and production issue resolution.
- Collaborate with QA, DevOps, UI, and Product teams throughout the software development lifecycle.
- Mentor junior engineers and actively contribute to knowledge sharing within the team.
- Stay updated with emerging technologies, frameworks, and software development best practices.
- Participate in technical interviews and hiring activities to support organizational growth.
- Undertake additional responsibilities as required to achieve project and organizational objectives.
Qualifications (Education, Experience, Skills & Knowledge)
- Bachelor's degree in Computer Science, Information Technology, or an equivalent discipline.
- 5+ years of hands-on experience in Java application development.
- Strong expertise in Core Java (Java 8/11/17) and Object-Oriented Programming concepts.
- Extensive experience with Spring Boot, Spring MVC, Spring Data JPA, Spring Security, and Hibernate.
- Strong experience designing and developing RESTful APIs and Microservices.
- Experience working with relational databases such as MySQL, PostgreSQL, Oracle, or MS SQL Server.
- Good understanding of Data Structures, Algorithms, Design Patterns, and Multithreading.
- Angular, Bootstrap, Material Design, HTML5, CSS, JavaScript
- Hands-on experience with Git, Maven/Gradle, and Agile/Scrum development methodologies.
- Experience with code quality tools such as SonarQube and static code analysis.
- Exposure to Docker, Kubernetes, CI/CD pipelines, and cloud platforms (AWS, Azure, or GCP) is preferred.
- Knowledge of messaging systems such as Kafka or RabbitMQ is an added advantage.
- Strong analytical, troubleshooting, and debugging skills.
- Excellent written, verbal, and interpersonal communication skills.
- Ability to work independently and collaboratively in a fast-paced product development environment.
- Eagerness to learn and adopt new technologies.
JOB DESCRIPTION:
Location: mumbai, bangalore, pune
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– 8 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.
For more details:
Website: www.wissen.com
Wissen Thought leadership : https://www.wissen.com/articles/
LinkedIn: Wissen Technology

Core Java Developer
Experience: 5+ Years
Employment Type: Full-time and Permanent
Location: Navi Mumbai or Gurugram
Job Description
We are looking for an experienced Core Java Developer with strong expertise in Java programming, backend development, and microservices architecture. The candidate should have hands-on experience in developing scalable applications, handling multithreading and concurrency, and working with Spring Boot.
Mandatory Skills:
- Strong hands-on experience in Core Java.
- Good knowledge of Spring Boot and Microservices architecture.
- Strong understanding of Multithreading and Concurrency.
- Experience with Java I/O and Networking.
- Understanding of JVM, Memory Management, Garbage Collection and performance tuning.
- Good knowledge of Linux/Unix environments.
- Strong understanding of object-oriented programming (OOPs) concepts.
- Experience in designing, developing, and troubleshooting backend applications.
Wissen Technology is looking for experienced Java Developers to join our team in Bangalore!
📍 Location: Bangalore
💼 Experience: 5–7 Years
⚡ Immediate Joiners Only
🔑 Key Skills
Strong experience in Core Java
Strong understanding of OOPs concepts
Hands-on experience with Java Collections
Strong knowledge of Multithreading & Concurrency, DSA (Data Structures & Algorithms), Spring Boot & Microservices, REST APIs, SQL / Database
📌 Please Note: Only candidates currently based in Bangalore can apply, as the interview process includes F2F rounds.

Senior Backend Developer – Java
Location: Mohali
Experience: 5+ Years
Looking for an experienced Senior Backend Developer with strong expertise in Java, Spring Boot, and microservices development.
Key Skills Required:
- Strong proficiency in Java, Spring Boot & Microservices
- Hands-on experience with Apache Kafka and MySQL
- Expertise in REST APIs, Docker, Kubernetes & Helm
- Knowledge of JWT, OAuth2, Firebase/FCM and CI/CD pipelines
- Experience with Agile/Scrum, code reviews, and production support
- Excellent communication, problem-solving, and ownership skills
Java Developer
Experience: 4+ Years
Location: Pune
Responsibilities:
- Actively contribute to designing, developing, testing, deploying, and maintaining software.
- Collaborate with the team to develop web services, mobile applications, and web applications. Create, enhance, deploy, and maintain functional, secure, and high-quality applications.
- Write well-designed, efficient, secure, and high-performance code.
- Follow best practices in software design and testing.
- Review, test, and debug team members' code.
- Actively contribute to writing and updating technical documentation.
Candidate Requirements:
- Minimum 4+ years of experience in web-based development using the following technologies:
- Core Java, Spring MVC, Node.js, and ORM.
- Working knowledge of relational databases, NoSQL databases, and caching technologies.
- RESTful APIs, SOAP, and JSON.
- Angular, HTML5, and CSS (StencilJS).
- Knowledge of application performance tuning is mandatory.
- Proficient understanding of code versioning tools, such as Git.
- Experience in designing and developing microservices-based applications.
- Expertise in real-time issue debugging, root cause analysis, and providing accurate technical solutions.
- Hands-on experience in integrating and troubleshooting third-party APIs such as Perfios, IDfy, Karza Technologies, NSDL, Legality, Hunter, RBIH, and JanSamarth, including API request/response handling, authentication, error handling, and production issue resolution.
- Knowledge of Agile Scrum development methodologies.
- Ability to integrate applications with network systems, servers, and databases.
- Ability to troubleshoot application development and usage issues.
- Excellent conceptual and critical-thinking capabilities.
- Self-directed and self-motivated, with the ability to take charge or work in a supporting role.
Good to Have:
- Experience in the BFSI (Banking, Financial Services, and Insurance) or Fintech domain.
Applications on this job are not being reviewed actively. You may apply but please follow up with the company via other channels too.
Job Summary
We are looking for an experienced Java Developer with strong expertise in Java, Spring Boot, and Microservices architecture. The candidate should have hands-on experience in developing scalable backend applications and using AI-powered coding assistants such as GitHub Copilot to improve development productivity.
Key Responsibilities
- Design, develop, and maintain enterprise-grade applications using Java and Spring Boot.
- Build and implement RESTful APIs and Microservices.
- Develop scalable and high-performance backend services.
- Work with databases such as Oracle, MySQL, or PostgreSQL.
- Implement Spring Security, authentication, and authorization.
- Use GitHub Copilot for code generation, refactoring, unit testing, and development productivity.
- Review AI-generated code and ensure code quality, security, and performance.
- Write unit and integration tests using JUnit and Mockito.
- Collaborate with architects, product owners, and cross-functional teams.
- Participate in code reviews, debugging, and production support.
- Follow Agile/Scrum development methodologies.
Required Technical Skills
- Strong programming experience in Java 8/11/17.
- Good knowledge of Spring Boot, Spring MVC, and Spring Security.
- Hands-on experience with Microservices architecture.
- Strong experience in REST API development and integration.
- Experience with Hibernate/JPA.
- Knowledge of SQL and relational databases.
- Experience with Git, Maven/Gradle, and CI/CD pipelines.
- Good understanding of design patterns and SOLID principles.
- Experience with JUnit and Mockito.
- Hands-on experience using GitHub Copilot or similar AI coding assistants.

About NonStop io Technologies:
NonStop io Technologies is a value-driven company with a strong focus on process-oriented software engineering. We specialize in Product Development and have a decade's worth of experience in building web and mobile applications across various domains. NonStop io Technologies follows core principles that guide its operations and believes in staying invested in a product's vision for the long term. We are a small but proud group of individuals who believe in the 'givers gain' philosophy and strive to provide value in order to seek value. We are committed to and specialize in building cutting-edge technology products and serving as trusted technology partners for startups and enterprises. We pride ourselves on fostering innovation, learning, and community engagement. Join us to work on impactful projects in a collaborative and vibrant environment.
Brief Description:
NonStop io is seeking a proficient Java Developer to join our dynamic team. In this role, you will contribute to designing, developing, and maintaining high-quality Java-based applications. You will work closely with cross-functional teams, ensuring the delivery of robust and scalable software solutions.
Responsibilities:
- Develop and Maintain: Write clean, efficient, and maintainable code for Java-based applications
- Collaborate: Work with cross-functional teams to gather requirements and translate them into technical solutions
- Code Reviews: Participate in code reviews to maintain high-quality standards
- Troubleshooting: Debug and resolve application issues in a timely manner
- Testing: Develop and execute unit and integration tests to ensure software reliability
- Optimize: Identify and address performance bottlenecks to enhance application performance
Qualifications & Skills:
- Strong knowledge of Java, Spring Framework (Spring Boot, Spring MVC), and Hibernate/JPA
- Experience with microservices architecture, distributed systems, and complex system design
- Familiarity with RESTful APIs and web services
- Proficiency in working with relational databases like MySQL or PostgreSQL
- Experience with build tools like Maven or Gradle
- Understanding of version control systems, especially Git
- Strong understanding of object-oriented programming principles and design patterns
- Familiarity with automated testing frameworks and methodologies
- Understanding of AWS environments and cloud-based application deployment
- Experience working with CI/CD pipelines and DevOps practices
- Excellent problem-solving skills and attention to detail
- Strong communication skills and ability to work effectively in a collaborative team environment
Why Join Us?
- Opportunity to work on cutting-edge technology products
- A collaborative and learning-driven environment
- Exposure to AI and software engineering innovations
- Excellent work ethic and culture
If you're passionate about technology and want to work on impactful projects, we'd love to hear from you









