11+ Mainframe QA Jobs in Bangalore (Bengaluru) | Mainframe QA Job openings in Bangalore (Bengaluru)

Job Description:

We are seeking a skilled Mainframe tester with hands-on experience in CICS to join our testing team. The ideal candidate will be responsible for designing, executing, and maintaining test cases for mainframe applications, ensuring the quality and reliability of business-critical systems.

Key Responsibilities:

• Testing and execute test plans for mainframe applications using COBOL, JCL, DB2, and CICS.
• Perform regression, and integration testing on CICS transactions.
• Identify, document, and track defects using standard testing tools.
• Collaborate with developers, business analysts, and other stakeholders to resolve issues.

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Java Developer – Job Description 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 to 7 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. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider. 

A Day in the Life:

• Collaborate with developers and product managers to understand feature requirements.
• Review feature specifications and design detailed test cases.
• Perform manual tests on payment gateway systems, including transaction flows and API validations.
• Identify, log, and track defects using tools like JIRA and prioritize them for resolution.
• Conduct regression testing to ensure system stability after updates.
• Participate in team discussions to troubleshoot and resolve issues.
• Document test results and prepare for upcoming sprint activities.

Key Qualifications and Skills:

• 5 - 7 years of QA experience, with at least 3 years in payment gateways, fintech, or banking systems.
• Strong knowledge of payment processing.
• Experience with REST/SOAP APIs, webhooks, and encryption (TLS, AES, RSA). Familiarity with PCI-DSS, PSD2, GDPR, and AML/KYC processes.
• Proficiency in SQL for database validation (transaction logs, ledger entries).
• Hands-on experience with JMeter, Postman, Selenium, or similar tools.
• Knowledge of blockchain-based payouts (optional but a plus).

Key Responsibilities:

1. Test Planning & Strategy: Develop and execute test plans, test cases, and test scripts for payment processing, refunds, chargebacks, settlements, and fraud detection. Ensure compliance with PCI-DSS, PSD2, and other financial regulations.
2. Functional & Integration Testing: Validate API integrations with banks, PSPs (Payment Service Providers) and third-party vendors. Test transaction flows (success, failure, retries, timeouts) and edge cases.
3. Security & Compliance Testing: Perform penetration testing, vulnerability scanning, and data encryption checks. Ensure PCI compliance and adherence to EMV, 3D Secure (3DS2), and SCA (Strong Customer Authentication).
4. Performance & Load Testing: Conduct stress testing to evaluate system behaviour under high transaction volumes (TPS - Transactions Per Second). Identify bottlenecks in authorization, settlement, and reconciliation processes.
5. Automation & Tools: Develop and maintain automated test scripts (using tools like Postman, Selenium, JMeter, or Karate). Work with CI/CD pipelines for regression testing.
6. Defect Management: Log, track, and prioritize bugs using JIRA, Bugzilla, or similar tools. Collaborate with developers, product managers, and compliance teams for issue resolution.
7. Documentation & Reporting: Maintain test documentation, including test cases, test data, and audit logs. Provide QA metrics and test summary reports to stakeholders.

Data Integration Developer Role

Responsibilities:

§ As a Data Integration Developer/Sr Developer, be hands-on ETL/ELT data pipelines, Snowflake DWH, CI/CD deployment Pipelines and data-readiness(data quality) design, development, implementation and address code or data issues.

§ Experience in designing and implementing modern data pipelines for a variety of data sets which includes internal/external data sources, complex relationships, various data formats and high-volume.

§ Experience and understanding of ETL Job performance techniques, Exception handling,

Query performance tuning/optimizations and data loads meeting the runtime/schedule time SLAs both batch and real-time data uses cases.

§ Demonstrated ability to rationalize problems and use judgment and innovation to define clear and concise solutions.

§ Demonstrate strong collaborative experience across regions (APAC,EMEA and NA) to come up with design standards, High level design solutions document, cross training and resource onboarding activities.

§ Good understanding of SDLC process, Governance clearance, Peer Code reviews, Unit Test Results, Code deployments, Code Security Scanning, Confluence Jira/Kanban stories.

§ Strong attention to detail during root cause analysis, SQL query debugging and defect issue resolution by working with multiple business/IT stakeholders.

Educational Qualifications:

BTech in Computer Science or other technical course of study required.

Experience:

§ A minimum of 4-10 years of experience into data integration/orchestration services, service architecture and providing data driven solutions for client requirements

§ Experience on Microsoft Azure cloud and Snowflake SQL, database query/performance tuning.

§ Experience with Qlik Replicate and Compose tools(Change Data Capture) tools is considered a plus

§ Strong Data warehousing Concepts, ETL tools such as Talend Cloud Data Integration tool is must

§ Exposure to the financial domain knowledge is considered a plus.

§ Cloud Managed Services such as source control code Github, MS Azure/Devops is considered a plus.

§ Prior experience with State Street and Charles River Development ( CRD) considered a plus.

§ Experience in tools such as Visio, PowerPoint, Excel.

§ Exposure to Third party data providers such as Bloomberg, Reuters, MSCI and other Rating agencies is a plus.

§ Strong SQL knowledge and debugging skills is a must.

Responsibilities include:

• You will design and build web applications
• Collaborate with cross-functional teams to define, design, and ship new features
• Do Unit-test code for robustness, including edge cases, usability, and general reliability
• Participate in all phases of development, from design to implementation, unit testing, and release.
• In close collaboration with project teams, you will have the chance to redefine the development process for modern web-based applications.
• You will work highly customer-focused and be given the time to learn and experiment with the latest frontend technologies

ESSENTIAL SKILLS / EXPERIENCE REQUIRED:

• Bachelor's degree in Computer Science or equivalent
• 3 - 8 years of experience
• Experience in HTML, JavaScript, CSS, and JavaScript frameworks.
• Experience with the latest frontend technologies (e.g. ECMAScript, Webpack, ESLint, Service workers, etc.)
• In-depth knowledge of at least one JavaScript framework (e.g. React, Vue, Angular, etc.)
• Experience or Knowledge of web application optimizations.

Job Description:

• Excellent troubleshooting and communication skills
• Participate in requirements analysis and give estimates for development.
• Collaborate with internal teams to produce software design and architecture
• Client handling experience
• Write clean, scalable code using .NET programming languages
• Test and deploy applications and systems
• Revise, update, refactor and debug code
• Improve existing software
• Ability to work as a team player also as an individual contributor.
• Understanding of Scrum, Agile and Agile processes.

Required Knowledge, Skills, and Abilities:

• 3+ years of C#, .Net core, ASP.NET MVC professional development experience
• Candidate should have  hands-on with Logic App, Function App, Azure Function
• Working experience on SQL Server and No SQL Database
• Experience in ORM like LINQ & Entity Framework
• Knowledge of the NoSQL Database will be a great advantage.
• Great analytical skills and logical reasoning.
• Thorough understanding of object-oriented programming concepts, and data structures.
• Experience designing and consuming REST APIs
• Experience in JavaScript, jQuery or related frameworks.
• Knowledge of Code Repository systems including GIT, Github & SVN
• Should have strong practical knowledge of API Management Services (APIM)
• Good to have: Angular JS, React JS or any other frameworks.

Tools :  Visual Studio ,Visual studio code ,SQL server management studio, swagger and postman tool
Educational Qualification: BE, MCA OR Msc IT

• 5+ years of software development experience in Java 8+ and Microservices.
• Experience in developing micro services. Experience in developing High Cohesion & Loosely Coupled Micro Services.
• Experienced in skills of requirement, analysis, design, develop, Java, springboot, microservices, rest api, AWS, lambda, EC2, Jenkins, design pattern, spring security, splunk, auth, docker, SOLID
• Hands on experience on Microservices Architecture.
• Should have excellent acumen in Data Structures, algorithms, problem-solving and Logical/Analytical skills. Thorough understanding of OOPS concepts, Design principles and implementation of different type of Design patterns.
• Experience with Multithreading, Concurrent Package and Concurrent APIs
• Basic understanding of Java Memory Management (JMM) including garbage collections concepts.
• Experience in RDBMS or NO SQL databases and writing SQL queries (Joins, group by, aggregate functions, etc.)
• Hands-on experience with Message Broker like Kafka/Rabbitmq or other. Hands-on experience in creating RESTful webservices and consuming web services. Hands-on experience with spring Cloud/Spring Boot.
• Hands-on experience with any of the logging frameworks (SLF4J/LogBack/Log4j)
• Experience of writing Junit test cases using Mockito / Powermock frameworks. Should have practical experience with Maven/Gradle and knowledge of version control systems like Git/SVN etc.
• Hands on experience on Cloud deployment/development like AWS/Azure/GCP.
• Good communication skills and ability to work with global teams to define and deliver on projects. Sound understanding/experience in software development process, test-driven development.

• Gender Neutral /Diversified Culture
• 51 Leaves annually
• Insurance covered for family
• Incentives, Bonus
• Permanent WFH Option
• Generous parental leave and new parent transition program
• Flexible work arrangements