

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.
Required Skills and Qualifications
· Professional Experience: 5+ years of experience in data engineering or a related field.
· Programming: Strong proficiency in Python, with experience in libraries like pandas, pySpark, or boto3.
· AWS Expertise: Hands-on experience with core AWS services for data engineering, such as:
· AWS Glue for ETL/ELT.
· S3 for storage.
· Redshift or Athena for data warehousing and querying.
· Lambda for serverless compute.
· Kinesis or SNS/SQS for data streaming.
· IAM Roles for security.
· Databases: Proficiency in SQL and experience with relational (e.g., PostgreSQL, MySQL) and NoSQL (e.g., DynamoDB) databases.
· Data Processing: Knowledge of big data frameworks (e.g., Hadoop, Spark) is a plus.
· DevOps: Familiarity with CI/CD pipelines and tools like Jenkins, Git, and CodePipeline.
· Version Control: Proficient with Git-based workflows.
· Problem Solving: Excellent analytical and debugging skills.
Optional Skills
· Knowledge of data modeling and data warehouse design principles.
· Experience with data visualization tools (e.g., Tableau, Power BI).
· Familiarity with containerization (e.g., Docker) and orchestration (e.g., Kubernetes).
· Exposure to other programming languages like Scala or Java.
Education
· Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
Why Join Us?
· Opportunity to work on cutting-edge AWS technologies.
· Collaborative and innovative work environment.

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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About the company:
NowPurchase is transforming the 140B$ Metal Manufacturing industry. The metal industry forms the backbone of the economy and the fundamental block of the physical world - be it transportation, construction and every machinery. NowPurchase is building a rich, digital marketplace where Metal Manufacturers can procure high quality raw materials in a trusted manner. At the same time we are building the OS (Operating System) that will supercharge their productivity and processes to ultimately make procurement autonomous. Now Purchase raises USD 2.4 million in Nov 2021, led by Orios Venture Partners, InfoEdge Ventures.
About you:
We are looking to add an immensely talented Senior Front End Engineer that will help us invent, design, refine and deliver products that will meet our vision. Expect to build a lot of web interfaces and dashboards both for the browser as well as native IoT enabled terminals that will be placed at the manufacturers' premises. You need to lead the front end team to make sure they are delivering high quality code and are constantly inspired to experiment with tools to push out MVPs.
Roles & Responsibilities:
- You are empowered to work directly with leadership and the product team to make decisions about your code and future of the product.
- Deliver high quality modular code deployed over web, mobile and native IoT enabled terminals that leverage REST-based services and real time sockets.. This would include visual dashboards and real time optimizations that are critical for the manufacturing process.
- Have a strong emphasis on shipping features quickly without sacrificing code quality. Be ready to build a lot of MVPs that will go through iteration or be completely scrapped depending on the outcome at the customer end.
- Own your Agile projects and lead the team from software design to implementation and deployment. Maintain sprints, delivery timelines and contribute to better managing the engineering team.
- Transform UI designs and mockups into pages and flows using CSS3 and JavaScript frameworks. Be ready to do the mockups yourself sometimes.
- Build a culture of simplicity and pragmatism, which is reflected in your elegant code that other developers emulate and you ensure through thorough code reviews and processes.
- Have an exceptional understanding of asynchronous request handling, partial page updates, and service workers and command over the internals of JavaScript, React and Redux.
- Continuously evaluate existing engineering processes and recommend improvements.
Required Skills and qualification:
- 4+ years’ experience developing rich UI/Front-end for user-facing web applications.
- Strong experience with React or similar frameworks, TypeScript, SSR (Server Side Rendering), SPA (Single Page Application), PWA (Progressive Web application), OOP (Object Oriented Programming), Reactive programming, and Unit tests.
- Demonstrated ability to function as a project leader as well as an individual contributor.
- Excellent communication and facilitation skills.
Tech Stack skills required:
- React/Redux
- Python/Django/Celery
- Git, AWS, ELB (Elastic Beanstalk), Netlify
- PostgreSQL/Redis/S3
Location:
On- site: Kolkata, West Bengal
Compensation & Benefits:
- Cash Compensation: As per industry standards & pedigree of candidate
- ESOPs: 10% of NowPurchase is dedicated to current & future team members. Your package would entail some ESOPs so that you own a part of the company and grow along with it.
- Medical Insurance: Benefits of group insurance of 3 lakhs for family including parents, spouse, children
- Generous leave structure and WFHs including Marriage, Maternity & Paternity leaves
- Complete Relocation Expenses: We are building a unicorn out of the city of Joy (Kolkata). We will pay for everything you spend to relocate here.
Company Link: https://nowpurchase.com">https://nowpurchase.com
LinkedIn: https://www.linkedin.com/company/nowpurchase/">https://www.linkedin.com/company/nowpurchase/
Our client is a producer of superior quality products. Our client is the largest single location manufacturing facility in India with certifications of ISO 9001, 14001, OHSAS 18001 along with other product specific certifications.
What you will do:
- Generating and distributing management reports in accurate and timely manner
- Providing recommendations to update current MIS to improve reporting efficiency and consistency
- Performing data analysis for generating reports on periodic basis
- Providing strong reporting and analytical information support to management team
- Generating both periodic and ad hoc reports as needed
- Analysing business information to identify process improvements for increasing business efficiency and effectiveness
- Providing customer support and assistance in issue troubleshooting and resolution
- Evaluating business processes, anticipating requirements, uncovering areas for improvement, and developing and implementing solutions
- Leading ongoing reviews of business processes and developing optimization strategies
- Staying up-to-date on the latest process and IT advancements to automate and modernize systems
- Performing requirements analysis
- Documenting and communicating the results of team efforts
- Effectively communicating team insights and plans to cross-functional team members and management
- Gathering critical information from meetings with various stakeholders and producing useful reports
- Working closely with distributors, team and managerial staff
- Ensuring solutions meet business needs and requirements
- Managing projects, developing project plans, and monitoring performance
- Updating, implementing and maintaining procedures
- Prioritizing initiatives based on business needs and requirements
- Monitoring deliverables and ensuring timely completion of projects
Desired Candidate Profile
What you need to have:- A Bachelor’s degree in Business or related field or an MBA
- A minimum of 3 years’ experience in business analysis or a related field
- Exceptional analytical and conceptual thinking skills
- The ability to influence stakeholders and work closely with them to determine acceptable solutions
- Excellent documentation skills
- Fundamental analytical and conceptual thinking skills
- Experience creating detailed reports and giving presentations
- Competency in Microsoft applications including Word, Excel, PowerPoint and Outlook
- Excellent planning, organizational and time management skills

Key Responsibilities : ( Data Developer Python, Spark)
Exp : 2 to 9 Yrs
Development of data platforms, integration frameworks, processes, and code.
Develop and deliver APIs in Python or Scala for Business Intelligence applications build using a range of web languages
Develop comprehensive automated tests for features via end-to-end integration tests, performance tests, acceptance tests and unit tests.
Elaborate stories in a collaborative agile environment (SCRUM or Kanban)
Familiarity with cloud platforms like GCP, AWS or Azure.
Experience with large data volumes.
Familiarity with writing rest-based services.
Experience with distributed processing and systems
Experience with Hadoop / Spark toolsets
Experience with relational database management systems (RDBMS)
Experience with Data Flow development
Knowledge of Agile and associated development techniques including:
n
Should Have Minimum 3 yrs of Exp in Data factory , Data Lake. • Should have exposure in Azure SQL Database, Azure Dataware house. • Exposure in t-SQL skills with experience in Azure SQL DW • Experience handling Structured and unstructured datasets. • Excellent problem solving, Critical and Analytical thinking skills. • Understand and worked on Azure Concepts. • Good Communication |


Mandatory Skill Set: Front End: React JS & Javascript
Backend: Python-Django/ Flask
Responsibilities
- Responsible for design and architecture of functional prototypes and production ready systems
- Uses open source frameworks as appropriate Django Preferred
- Develops Python and JavaScript code as necessary
- Python development to support middleware for REST API
- Communicate technical concepts with trade offs, risks, and benefits
- Evaluate and resolve product related issues
Requirements
- Demonstrable experience writing clean, thoughtfully crafted Python or PHP that scales
- Strong understanding of JavaScript, HTML, and CSS3
- Good understanding of REST API's and experience in building them.
- Experience on asynchronous request handling, partial page updates, and AJAX
- Proficient understanding of cross browser compatibility issues and ways to work around such issues
- Proficient understanding of code versioning tools, such as Git / Mercurial / SVN
- Good understanding of browser rendering behaviour and performance



