QA Engineer

Job Title: QA Engineer – Blockchain / Web3 / DApps

Location: Noida (Onsite)

Experience: 3+ Years

About the Role

We are looking for a detail-oriented QA Engineer with hands-on experience in Blockchain, Web3 Wallets, and Decentralized Applications (DApps). The ideal candidate will ensure the reliability, performance, and security of blockchain-based products through both manual and automated testing.

Key Responsibilities

• Design, develop, and execute test cases for Blockchain applications, Web3 Wallets, and DApps.
• Perform functional, integration, regression, and performance testing across blockchain ecosystems (Ethereum, Polygon, BSC, etc.).
• Test Web3 wallet integrations (MetaMask, Trust Wallet, WalletConnect, Coinbase Wallet).
• Validate smart contracts using Hardhat, Truffle, Remix IDE, and Blockchain Explorers (Etherscan, Polygonscan, BSCscan).
• Conduct API testing (REST, GraphQL, Web3 APIs) using Postman, Newman, and Insomnia.
• Automate UI & functional tests using Selenium, Cypress, or Playwright.
• Perform mobile DApp testing using Appium.
• Collaborate with developers, product managers, and blockchain engineers to identify and resolve defects.
• Document test plans, strategies, and reports in Confluence/JIRA.
• Participate in CI/CD pipelines for test automation (Jenkins, GitHub Actions).

Required Skills & Tools

• Blockchain & Web3: Ethereum, Polygon, Binance Smart Chain, Ganache, Hardhat, Truffle, Remix IDE
• Wallet Testing: MetaMask, Trust Wallet, WalletConnect, Coinbase Wallet
• Automation & QA Tools: Selenium, Cypress, Playwright, Appium
• API Testing: Postman, Newman, Insomnia
• Performance Testing: JMeter, Locust, k6
• Version Control & CI/CD: Git, GitHub, GitLab, Jenkins, GitHub Actions
• Bug Tracking & Collaboration: JIRA, Trello, Confluence

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or related field.
• 3+ years of QA experience, with at least 2 years in Blockchain/Web3.
• Strong understanding of smart contracts, wallets, and decentralized apps.
• Hands-on experience with test automation frameworks and API testing.
• Excellent problem-solving, debugging, and communication skills.

Job Description

 Interact with Project management and development teams to develop a strong understanding of the project and testing objectives.

 Analyze requirements for validity. Design and prepare test plan/cases for mobile and web applications based on requirements

 Experience in handling a complete project from a QA engineer perspective.

 Create relevant tasks for Engineers in JIRA, track and ensure closure  Reproduce issues reported by the customers and document the steps clearly so developers can fix them

Requirements & Desirable skill sets

 Hand-on experience in Excel

 Basic knowledge of mobile applications

 Hands-on experience in Defect management tools like JIRA or similar tools

 Intermediate written/verbal communication

 Comfortable to work with large volumes of data and Attention to detail  Knowledge in testing iOS or Android native

 Knowledge in testing web applications

 Ownership of assigned tasks and escalate whenever required

 Very good analytical and problem-solving skills

 Good communication and interpersonal skills

About the company:

At Estuate, more than 400 uniquely talented people work together, to provide the world with next-generation product engineering and IT enterprise services. We help companies reimagine their business for the digital age.

Incorporated in 2005 in Milpitas (CA), we have grown to become a global organization with a truly global vision. At Estuate, we bring together talent, experience, and technology to meet our customer’s needs. Our ‘Extreme Service’ culture helps us deliver extraordinary results.

Our key to success:

We are an ISO-certified organization present across four distinct global geographies. We cater to industry verticals such as BFSI, Healthcare & Pharma, Retail & E-Commerce, and ISVs/Startups, as well as having over 2,000 projects in our portfolio.

Our solution-oriented mindset fuels our offerings, including Platform Engineering, Business Apps, and Enterprise Security & GRC.

Our culture of oneness

At Estuate, we are committed to fostering an inclusive workplace that welcomes people from diverse social circumstances. Our diverse culture shapes our success stories. Our values unite us. And, our curiosity inspires our creativity. Now, if that sounds like the place you’d like to be, we look forward to hearing more from you.

Technical skills needed

• Experience in QA 8+ years
• Experience of testing web applications
• Experience of testing web-services: REST
• Good understanding of version control and release management processes
• Good understanding of software development life cycle
• Knowledge of test design techniques
• Knowledge of SQL
• Good understanding of client server architecture
• Good written and spoken English skills (intermediate level)

 Soft skills needed

• Cooperative and flexible team player
• Proactive and result-oriented person.

Good to have:

• Experience in testing complex applications that include integrations with different 3rd parties (APIs, etc);
• Experience with: JIRA, TestRail, Postman, Fiddler, Swagger 

Responsibilities

• Manual testing of web applications (functional, contract, integration, end-to-end testing), including applications integrated into Point-of-Sale, integrated with 3rd parties APIs and applications.
• Execution of regression and smoke tests;
• Creation of testing documentation;
• Participation in internal meetings (sprint plannings, groomings, daily stand-ups, etc), external demos and meetings with stakeholders, customers and partners.
• Maintenance of testing environments;
• Assistance in production issues trouble shoot;
• Generation of great ideas and improvements for our products (this is always welcomed in out team).

Project Description:

Wireless Standard POS (Point-Of-Sales) is a retail management solution for the Telecom Market.

It provides thousands of retailers with features and functionalities they need to run their businesses effectively with full visibility and control into every aspect of sales and operations. 

It is simple to learn, easy to use and as operation grows, more features can be added on.

Our system can optimize and simplify all processes related to retail in this business area.

Few things that our product can do:

• Robust Online Reporting
• Repair Management Software
• 3rd Party Integrations
• Customer Connect Marketing
• Time and Attendance
• Carrier Commission Reconciliation

As a member of B2B Soft’s QA Team you will collaborate closely with our great Development teams and work with several different testing directions including embedded, web, desktop and mobile.  

• 4-8 years of experience in Functional testing with good foundation in technical expertise
• Experience in the Capital Markets domain is MUST
• Exposure to API testing tools like SoapUI and Postman
• Well versed with SQL
• Hands on experience in debugging issues using Unix commands
• Basic understanding of XML and JSON structures
• Knowledge of FitNesse is good to have
• Should be early joinee.

What you need to have:

• Reviews design specifications to understand the scope, requirements, and function of the software product.
• Preparation of test data and execution of test cases (including functional, system, regression, performance, API and database layer etc.)
• Identifies appropriate processes, parameters, functions, and data to test and validate; parameters may include general function, the validity of results, accuracy, reliability, and compliance with industry standards.
• Lead and participate in test case reviews with Business, Developers, other team members
• Estimate, prioritize, plan and coordinate testing activities
• Ensure that user expectations are met during the testing process
• Design, develop and execute automation scripts using open source tools
• When a product does not perform within specifications, reporting defects to programmers while identifying and recommending solutions, improvements, and updates.
• Identifies, logs, and recreates error codes, bugs, and defects.
• Draft quality assurance policies and procedures
• Investigate production issues
• Conducts testing to ensure products perform according to product requirements and within established guidelines.

We're looking for a QA Engineer to help with manual testing as well as introduce automation to our processes where possible. Candidates will need to be familiar with and able to write scripts, set up automation processes, and familiarise themselves with the products we build (web and mobile apps).

• The role will also require you to document test cases with an understanding of what the product does and how the end-user might approach it.
• Understand functional and non-functional testing requirements of web and mobile applications.
• Document functional testing scenarios and cases, for manual testing of API functionality using Postman and manual testing of User Interface elements (web, mobile, and mobile web)
• Identify or create data for testing
• Execute test cases and record status
• Log defects identified and track them through retesting and closure
• Debug using ADB commands and tools like Charles Proxy to primarily identify the root cause of failures.

Skill:

• Good understanding of mobile and web applications functionality
• Good understanding of how APIs work functionally
• Strong knowledge of software QA methodologies, tools, and processes
• Experience in writing clear, concise, and comprehensive test plans and test cases
• Hands-on experience with both white box and black box testing
• Non-functional testing of mobile applications including but not limited to battery analysis, GPU overdraw, responsiveness, etc.

• Develop and execute both manual test scripts/cases based on analyzed requirements for the Hematology Medical Device.
• Investigates software, hardware, system problems and determines root causes for failures.
• Report and track the defects to closure, support for defect investigation, validate defect fixes and analyze the impact of fixes.
• Be involved in test lab management and improvement of test process activities.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, Biomedical Engineering or other relevant degree and 6+ years of relevant experience
• Work Experience Requirements: 6 or more years of experience in developing software system test designs and procedures.
• Experience in testing of software systems, preferably related to medical instrumentation
• Able to evaluate system specifications and requirements for completeness and testability
• Able to generate test designs and procedures from specifications and use cases, using industry-standard test design techniques, with minimal guidance
• Good understanding of software testing methodologies
• Experience with Requirements Management and Traceability
• Experience with Automated Software Testing is a plus
• Able to Document specifications, and or test documentation
• Able to execute test procedures manually, with minimal guidance
• Ability to work independently and proactively with minimal direction.
• Excellent communication skills. Ability to interface with various internal and external stakeholders.
• Experience in IVD instrumentation, such as clinical chemistry, immunoassay, hematology, urinalysis, molecular, microbiology, or flow cytometry systems, a plus.

Nice to Have

• Understanding of software development processes for a regulated environment (ISO9000/FDA) is a plus