Java Developer

Job Summary:

We are seeking highly skilled Java Developers with hands-on experience in developing 

enterprise-scale applications, preferably within the financial services domain. The role 

requires expertise in Core Java, Microservices, and high-performance server-side 

development.

Key Responsibilities:

• Design, develop, and maintain enterprise-scale n-tier applications in the financial 

domain.

• Develop complex, low-latency, client-facing applications with a focus on performance 

and scalability.

• Work with Microservices architecture, Data Structures, OOPs, Algorithms, and 

Multithreading.

• Perform high-level and low-level design for critical applications.

• Collaborate with cross-functional teams to define, design, and deliver new features.

• Ensure best practices in coding, architecture, and application performance.

Requirements:

• Strong experience in Core Java 5.0 and above, Spring, and CXF.

• Extensive experience in enterprise application design patterns and architecture.

• Strong development experience with RDBMS (preferably Sybase).

Experience: 7+ years

Location: Mumbai

Mode of Work: Hybrid

• Hands-on expertise in multithreading and high-volume server-side applications.

• 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.

• Ability to express design ideas and collaborate effectively with teams

Experience

9–18 Years

Education

IIT / NIT graduates only

Interview Process

Candidates must be available for a Face-to-Face interview in Bangalore or Mumbai.

Key Responsibilities

• Design and develop scalable, high-performance Java applications.
• Lead a team of engineers and drive technical excellence.
• Architect enterprise-grade solutions and provide technical guidance.
• Collaborate with cross-functional teams to define, design, and deliver high-quality software.
• Review code, mentor team members, and ensure engineering best practices.
• Drive system design discussions and resolve complex technical challenges.

Required Skills

• Strong expertise in Core Java and Java ecosystem.
• Excellent problem-solving and analytical skills.
• Very strong coding ability with clean coding practices.
• Strong understanding of System Design and distributed systems.
• Hands-on experience in Java Architecture and designing scalable applications.
• Experience leading engineering teams and mentoring developers.
• Good understanding of software design principles, design patterns, and performance optimization.
• Strong communication and stakeholder management skills.

Preferred Skills

• Experience with Spring Boot, Microservices, REST APIs, and cloud technologies.
• Exposure to CI/CD, containerization, and modern DevOps practices is an advantage.

JOB DESCRIPTION

Experience: 4-9 years

Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. 

Required Skills:

• Exp. 4-9 years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. 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.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

Minimum 3+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)

? Good knowledge of the JVM with an understanding of performance and memory optimization.

? Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

? Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.

? Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

? Expert level understanding of Object-Oriented Concepts and Data Structures

? Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

Experience: 3-5 years

Wissen Technology is now hiring for a Java Developer (with Azure) - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. 

Required Skills:

• Exp. - 3-5 years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. 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.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

JOB DESCRIPTION

Experience: 4+ years

Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. 

Required Skills:

• Exp. 4+ years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. 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.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

Position Title: Software Engineer

Position Type: Full Time

Department: Research and Development

Reports to: First Level Manager, Indian Development Centre.

Company Background:

Affiliated with US Group companies, CGLIA Solutions LLP is an innovative Software Product Development Organization developing high available, highly secure, cloud-based enterprise software products catering to the needs of Large Research facilities, University medical centres, Hospitals, Pharma companies in US and worldwide ultimately leading to the development of life saving medications.

CGLIA is known for helping Software professionals to unleash their creativity, turning them into world class professionals, and building their career.

Job Summary:

As a Software Engineer, you assist in the design development of new products for our renowned customers worldwide.

Enhancing the existing applications by identifying the areas of improvements, making recommendations and designing and implementing them. 

Ideal candidate should be a self-starter and, should have excellent problem-solving skills and passionate about developing high quality innovative products exceeding the customer expectations and needs. A keen interest for quality at every stage of development is a must.

Looking for a highly motivated individual who is looking to grow their career in a challenging environment.

Responsibilities:

• Participating in discussion with Product Management teams and Generating the Requirement Specification document that has covers both the functional and Non-functional requirements.
• Participating in discussion with the technical teams and generating the design documents.
• Develop code and update the existing code, ensuring that all the code meets the agreed upon requirements.
• Perform intensive testing of all new and existing programs to ensure they are free of errors and function as intended
• Work closely with the cross functional teams like UI Developers, Business Analysts and Management teams.
• Cultivate an environment of collaboration, commitment, accountability, and creativity and deliver products and services on time with quality delight the customer.
• Actively participating in the hiring process, for Organization growth.
• Updates job knowledge by studying latest development tools, programming techniques, and participating in professional organizations.
• Willing to undertake additional tasks and responsibilities as may be reasonably expected of the role and as necessary in order to achieve the objectives of the organization.

Qualifications: (Education, Experience, Skills and Knowledge)

·        Bachelor’s Degree in Computer Science or Information Technology or any equivalent degree.

·        At least 4 plus years of hands on experience in developing cloud-based software.

·        Expertise in developing cloud based distributed applications and must have experience in object-oriented design.

·        Strong hands on experience in using Java, Hibernate, Spring technology stack (Spring MVC, Spring Data, Spring Cloud, Spring Batch, Spring security etc.) along with open source technologies.

• Experience building web and mobile applications using frontend technologies Angular (Angular 1/Angular 2), Bootstrap, Material Design, UX/UI, JavaScript, HTML5, and CSS.

·        Experience on any one of databases like MySQL, MS SQL, PostgreSQL, and Oracle.

·        Exposure with more than one of the Software Development Methodologies.

·        Knowledge on the Code Static Analyzer tools like SonarQube, PMD etc. and, DevOps Tools.

·        Expertise in Security related to Web Applications and mobile applications. and other open source and commercial tools.

·        Ability to work independently and along with teams.

·        Impeccable written English skills, and Oral communication skills along with outstanding interpersonal skills.

·        Eagerness and willingness to learn new technologies.

 Experience in Core Java, Spring Boot. 

• Experience in microservices. 

• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns. 

• Should be able to analyze, design, develop and test complex, low-latency client-facing applications. 

• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2 

• Good knowledge of multi-threading 

• Basic working knowledge of Unix/Linux 

• Excellent problem solving and coding skills in Java 

• Strong interpersonal, communication and analytical skills. 

• Should be able to express their design ideas and thoughts

Location: Bangalore

Company: Wissen Technology

Experience: 8+ Years

About the Role

Wissen Technology is looking for a highly experienced Senior Java Architect to join our engineering team. In this role, you will design, develop, and maintain scalable, high-performance platform services that power mission-critical financial applications.

The ideal candidate will have deep expertise in Core Java, platform engineering, REST API development, and extensive experience working within the Financial Services domain.

Key Responsibilities

Platform Design & Development

• Design, develop, and maintain scalable, high-performance, and reliable platform services using Core Java.
• Build, integrate, and support RESTful APIs and web services.
• Write clean, maintainable, well-documented, and testable code.
• Participate in code reviews and promote engineering best practices.
• Contribute to architectural decisions and platform design initiatives.

Performance & Platform Engineering

• Optimize application performance, scalability, and reliability.
• Troubleshoot and resolve complex technical issues.
• Ensure platform security, availability, and operational excellence.
• Implement best practices for concurrency, multithreading, memory management, and performance tuning.

Data Management

• Work with both SQL and NoSQL databases.
• Design efficient data access and persistence strategies.
• Apply strong data modeling principles and database optimization techniques.

Financial Services Domain

• Develop solutions aligned with financial industry standards and regulatory requirements.
• Leverage a strong understanding of financial systems, products, and workflows.
• Ensure secure handling of sensitive financial data while maintaining compliance.

Automation & Workflow Management

• Utilize Python for scripting, automation, and operational tasks.
• Work with Apache Airflow (or similar workflow orchestration tools) to schedule and manage data pipelines.

Collaboration & Leadership

• Collaborate with Product Managers, Architects, QA Engineers, and cross-functional development teams.
• Communicate effectively with both technical and business stakeholders.
• Mentor junior engineers and contribute to the team's technical growth.
• Participate in Agile ceremonies and drive continuous improvement initiatives.

Required Qualifications

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
• 10+ years of hands-on experience in Core Java development.
• Strong experience building and maintaining enterprise-scale platform services.
• Expertise in Object-Oriented Programming (OOP), design patterns, and software engineering principles.
• Proven experience designing and developing RESTful APIs.
• Deep understanding of concurrency, multithreading, memory management, and performance optimization.
• Hands-on experience with SQL and NoSQL databases.
• Significant experience within the Financial Services industry.
• Exposure to Python scripting and automation.
• Experience with Apache Airflow or similar workflow management tools.
• Strong analytical, problem-solving, and troubleshooting skills.
• Excellent communication and stakeholder management abilities.
• Experience working in Agile/Scrum environments.

Preferred Qualifications

• Experience with cloud platforms such as AWS, Azure, or GCP.
• Hands-on experience with Docker and Kubernetes.
• Experience with messaging technologies such as Kafka or RabbitMQ.
• Understanding of financial regulations, governance, and compliance requirements.

Why Join Wissen Technology?

• Work on mission-critical platforms for leading financial institutions.
• Gain exposure to modern engineering practices and cloud-native technologies.
• Be part of a collaborative, innovation-driven engineering culture.
• Enjoy a hybrid work model based in Bangalore or Mumbai.
• Accelerate your career with opportunities for continuous learning and growth.

Strong Backend Software Engineer Profile with strong Core Java expertise

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Mandatory (Experience 1): Must have 2+ years of hands-on backend software engineering experience.

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Mandatory (Experience 2): Must be able to design and implement moderately complex features with minimal supervision, and contribute to system design and architecture discussions.

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Mandatory (Experience 3): Must be comfortable owning business-critical production components — maintaining connectors, handling customer escalations, security fixes, bug fixes, and building new features end-to-end.

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Mandatory (Tech skill 1): Must have strong, current Core Java depth with solid, clear coding fundamentals — Java is the primary skill for this role. Deep hands-on core engineering strength matters more than framework knowledge.

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Mandatory (Tech skill 2): Must have strong core backend engineering fundamentals and experience with scalable systems (connectors handle millions of events/data points daily across customers).

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Mandatory (Tech skill 3): Must have microservices experience.

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Mandatory (AI Fluency 1): Must have demonstrated, hands-on use of AI coding assistants (Claude, GitHub Copilot, Cursor, etc.) as a core part of the daily workflow — scaffolding, writing tests, reviewing code, and debugging.

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Mandatory (AI Fluency 2): Must be able to write precise, effective prompts for production-quality output, decompose tasks so AI assistance is effective, and critically evaluate AI-generated code for correctness, security, and standards before merging.

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Mandatory (Company): Must come from a product company background (B2B SaaS or B2C both acceptable).

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Mandatory (Note1): This is a 3-month contract role. Candidate must be comfortable with the contract engagement and able to join immediately (urgent — onboarding within ~a week)

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Mandatory (Note 2): Must be based in or near Chennai, Bangalore, or Ahmedabad (Chennai: hybrid, Tue & Thu in office)

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Preferred (Backend): Hands-on Python experience is a plus.

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Preferred (Database): Hands-on database / JDBC integration experience in a production environment.