

Job Description: Data Engineer
Position Overview:
Role Overview
We are seeking a skilled Python Data Engineer with expertise in designing and implementing data solutions using the AWS cloud platform. The ideal candidate will be responsible for building and maintaining scalable, efficient, and secure data pipelines while leveraging Python and AWS services to enable robust data analytics and decision-making processes.
Key Responsibilities
· Design, develop, and optimize data pipelines using Python and AWS services such as Glue, Lambda, S3, EMR, Redshift, Athena, and Kinesis.
· Implement ETL/ELT processes to extract, transform, and load data from various sources into centralized repositories (e.g., data lakes or data warehouses).
· Collaborate with cross-functional teams to understand business requirements and translate them into scalable data solutions.
· Monitor, troubleshoot, and enhance data workflows for performance and cost optimization.
· Ensure data quality and consistency by implementing validation and governance practices.
· Work on data security best practices in compliance with organizational policies and regulations.
· Automate repetitive data engineering tasks using Python scripts and frameworks.
· Leverage CI/CD pipelines for deployment of data workflows on AWS.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
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What you’ll do
- Build and ship features end-to-end using the MERN stack
- Use AI tools to speed up development, solve bugs, and learn new patterns
- Collaborate with product and design to turn ideas into UI + backend logic
- Write clean, reusable code with proper structure and Git practices
- Learn best practices in architecture, API design, and performance
- Take feedback, grow fast, and own your work
Must-Haves:
- Bachelor’s degree in Computer Science, Engineering, or a related technical field
- 2-3 years of experience with the MERN stack
- Good understanding of JavaScript (or TypeScript), REST APIs, and MongoDB
- Clear logic, curiosity, and the ability to Google smartly
- Eagerness to learn, experiment, and grow with the team
- Comfortable using AI tools to assist in dev
Nice-to-Have:
- Exposure to tools like Firebase, Next.js, or Vercel
- Any live projects, GitHub repos, or portfolio sites
- Basic understanding of cloud deployment
Accountant to manage all financial transactions, from fixed payments and variable expenses to bank deposits and budgets.
Knowledge of GST
Knowledge of TDS
- More than 5 years of experience in Java programming
- Frameworks like Spring(Boot, Core, MVC)or Hibernate
- Good knowledge in design and architectural patterns, with an understanding of Web Services, micro service architectures and REST Based APIs.
- Good knowledge in Agile, JIRA and ALM
- Cloud environments (AWS,Azure…)
- Good Database knowledge (Oracle/ MySQL)
- Previous exposure to banking or financial is preferable
- Desire to get into the development of a top core-banking platform; you will receive specific training on Temenos T24 according to your career plan.


Description
About the company
Quizizz is one of the fastest-growing EdTech platforms in the world.
Our talented team of engineers creates a product experience that helps teachers create interactive content, conduct live sessions with thousands of participants, and transform learning into a multiplayer gaming experience.
Quizizz has a passionate user base of 75 million monthly active users in 125 countries, including 80% of schools in the US and we have organically reached this scale. Our NPS is 82 and our users love and deeply care about the platform.
We have phenomenal investors, we are profitable, and we are committed to growing and improving every day. If you’re excited about working on cutting-edge technologies and want to build towards a mission that you can be proud of, Quizizz could be a place for you.
We currently have offices in Bangalore, India and in California in the US, with incredible team members around the world. Join us to be a part of our world-class team with a high-performance culture!
About the role
Quizizz and its app are used by millions of students and teachers around the world. As a mobile developer at Quizizz, you will be responsible for building and maintaining our iOS and Android apps. Apart from implementing and enhancing the functionality of the app, you will work with counterparts from design, sales, support and other engineering teams to drive the roadmap for the mobile experience of Quizizz. You will be expected to keep up to date with the latest developments in the mobile app world, and share your expertise so that the team can deliver the best experience to our users.
Requirements
Responsibilities
- You will be involved at all stages of the product development process, from design to development and deployment.
- You will be an advocate for good UI and UX at Quizizz, informing our designers about the latest technologies and components that can be leveraged (or even creating them yourself).
- You will be a mentor to junior developers in the organization, and take the lead on critical decisions relating to our frontend platform.
- Diagnose and fix bugs and performance bottlenecks for performance that feels native.
Requirements
- At least 2 years of experience as a React-Native Developer.
- A solid foundation in data structures and algorithms.
- Familiarity with using Xcode and Android Studio.
- Experience with writing code that is compatible with different screen sizes.
- Familiarity with principles of redux and storing state.
- Familiarity with implementing third-party APIs and libraries.
- Experience with releasing apps on Play Store and App Store.
- Experience in building native iOS or Android apps is a plus.
Benefits
- Healthy work-life balance. Put in your 8 hours, and enjoy the rest of your day.
- Flexible leave policy. Take time off when you need it.
- Comprehensive health coverage of Rs. 6 lakhs, covering the employee and their parents, spouse and children. Pre-existing conditions are covered from day 1, and also benefits like free doctor consultations and more.
- Relocation support includes travel and accommodation, and we'll also pay for a broker to find your home in Bangalore!
- Rs. 20,000 annual health and wellness allowance.
- Professional development support. We will reimburse you for relevant courses and books that you need to become a better professional.
- Delicious meals including breakfast and lunch served at office, and a fully-stocked pantry for all your snacking needs.


Task:
- Develop, record, and maintain cutting-edge web-based PHP applications.
- Build innovative, state-of-the-art applications and collaborate with the User Experience (UX) team
- Ensure HTML, CSS, and shared JavaScript is valid and consistent across applications.
- Prepare and maintain all applications utilizing standard development tools.
- Utilize backend data services and contribute to increase existing data services API.
- Lead the entire web application development life cycle right from concept stage to delivery and post launch support.
- Refactor, optimize, and improve the existing codebase for maintenance and scale.
- Use test driven development and acceptance tests to ensure feature quality
- Convey effectively with all task progress, evaluations, suggestions, schedules along with technical and process issues.
- Document the development process, architecture, and standard components.
- Coordinate with co-developers and keeps project manager well informed of the status of development effort and serves as a liaison between development staff and project manager.
- Keep abreast of new trends and best practices in web development.
We wish:
- Previous working experience as a PHP Developer for 4 year(s)
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Familiarity with limitations of PHP as a platform and its workarounds
- Proficient in PHP, HTML5, JavaScript, JQuery Expert
- Experience with PHP MVC frameworks (Symfony, Laravel, Yii, CodeIgniter, Zend, etc.)
- Excellent relational database skills with MySQL
- Experience with building restful JSON web services
- Knowledge of API’s, such as Twitter, Facebook, Google maps, Instagram, etc.
- Understanding of responsive design frameworks such as bootstrap
Desirable:
- Should have problem-solving skills
- Good experience in oops concept
- Good experience in MVC
- Good experience in jQuery & JavaScript
- Learn & work on new technologies/ frameworks.
- Knowledge of bootstrap
We Offer:
- Freedom to realize your ideas & individual career & development opportunities.
- A motivating work environment, flat hierarchical structure, numerous company events that cannot be forgotten, and fun at the workplace with flexibilities.
- Professional challenges and career development opportunities.
We have an urgent requirement of an Automation Tester who has at least 2 years of experience in Automation Testing.
Immediate Joiner will be preffered or the maximum notice period -15 days.
Job Requirements:
- Maintaining a suite of automated tests for Web and Mobile applications
- Maintaining automation framework and implementing improvements
- Conversion of the manual test suite to automation
- Create and maintain test cases.
- Maintain and update regression testing scripts to close test escapes.
- Perform exploratory testing, integration testing, regression testing, automated testing.
- Execution and triage of automated test executions.
- Defect management in Jira.
- Maintenance on Jenkins integration.
- Exposure to Test and Defect Management Tools like JIRA, Test rail, Zephyr etc.
Skills required
- Writing reliable and maintainable automated tests.
- Demonstrable experience in Automation testing using Selenium or similar
- Experience with Serenity BDD test framework, (Cucumber, Selenium, Rest Assured)
- Programming skills with either Java / JavaScript / Python or similar
- Unit testing frameworks such as TestNG, JUnit and/or N Unit
- Testing API’s with SoapUI / Postman or similar
- Performance Testing with J meter, Neo Load or similar
- Familiarity with Swagger or Open API Specifications.
- Familiarity with JSON objects, SQL queries, data structures, log file analysis
- Strong knowledge of Scripting Languages like Java, JavaScript, Python, Ruby, Groovy etc.


Responsibilities
- Translate designs and wireframes into high quality code
- Design, build, and maintain high performance, reusable, and reliable Java code
- Ensure the best possible performance, quality, and responsiveness of the application
- Identify and correct bottlenecks and fix bugs
- Help maintain code quality, organization, and automatization
Skills
- Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
- Familiarity with RESTful APIs to connect Android applications to back-end services
- Strong knowledge of Android UI design principles, patterns, and best practices
- Experience with offline storage, threading, and performance tuning
- Ability to design applications around natural user interfaces, such as “touch”
- Knowledge of the open-source Android ecosystem and the libraries available for common
tasks
- Ability to understand business requirements and translate them into technical requirements
- Familiarity with cloud message APIs and push notifications
- A knack for benchmarking and optimization
- Understanding of Google’s Android design principles and interface guidelines
- Proficient understanding of code versioning tools, such as Git
- Extensive knowledge of linux kernel internals.
- Good knowledge of C programming language.
- Familiarity with any processor architecture, virtualization, storage and network management.
- Strong experience in debugging linux kernel mode
- Debugging experience across hardware and platform firmware.


