Data Scientist

We are hiring for a Python Developer at Wissen Technology!

📍 Location: Pune (Hybrid)

💼 Experience: 3–6 Years

⏱️ Notice Period: Immediate / 15 days preferred

🔧 Key Skills:

• Strong experience in Python

• Hands-on with Pandas & NumPy

• Experience with AWS (S3, Lambda preferred)

• Good understanding of data processing & APIs

• SQL knowledge

🏢 About Wissen Technology:

Wissen Technology, part of the Wissen Group (est. 2000), is a fast-growing technology company specializing in high-end consulting across Banking, Finance, Telecom, and Healthcare domains.

✔️ Global presence – US, India, UK, Australia, Mexico & Canada

✔️ Certified Great Place to Work®

✔️ Trusted by Fortune 500 clients like Morgan Stanley, Goldman Sachs, and more

✔️ Strong growth with 400% revenue increase in recent years

🌐 Website: www.wissen.com

🔗 LinkedIn: https://www.linkedin.com/company/wissen-technology/

If you’re interested or have relevant candidates, please share your resume at [your email].

#Hiring #PythonDeveloper #PuneJobs #AWS #ImmediateJoiner

While you may already know about Wissen and the company history, here is a quick rundown for you.

About Wissen Technology:

·        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. We help clients build world class products.

·        Our workforce has 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 has grown its revenues by 400% in these five years without any external funding or investments.

·        Globally present with offices 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.

·        Wissen Technology has been certified as a Great Place to Work®.

·        Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.

·        Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.

·        We have served client across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include likes of Morgan Stanley, Goldman Sachs, MSCI, StateStreet, Flipkart, Swiggy, Trafigura, GE to name a few.

De

Job Title: Application Development Engineer (Python – Backtesting & Index Platforms)

Role Overview

Key Responsibilities

Engine Development: Design and implement modular, reusable Python components for index construction, rebalancing, and backtesting.

Large-Scale Simulation: Use Pandas, NumPy, and PySpark to run historical calculations across long time horizons and multiple index variants.

Workflow Integration: Integrate engines with orchestrators such as Airflow or Temporal using parameterized, config-driven execution.

Reference Data Consumption: Query and utilize pricing, security master, and corporate action data from Snowflake.

Quality & Reconciliation: Build automated test harnesses to validate outputs, compare against benchmarks, and guarantee reproducibility.

Performance Optimization: Improve runtime efficiency through vectorization, caching, and distributed computing patterns.

Cross-Team Collaboration: Partner with Business, Index Ops, and Platform teams to accelerate research-to-production onboarding.

Required Technical Capabilities

Python Expertise: Strong proficiency in Python application development with emphasis on clean architecture and maintainable design.

Data & Numerical Libraries: Deep experience with Pandas and NumPy; working knowledge of PySpark for distributed workloads.

Financial Computation: Ability to implement portfolio mathematics, weighting algorithms, and time-series transformations.

Config-Driven Systems: Experience building rule-based or metadata-driven processing frameworks.

Database Skills: Strong SQL and experience consuming structured data from Snowflake.

Testing Discipline: Expertise in unit testing, regression testing, and deterministic replay of calculations.

Orchestration Integration: Familiarity with Airflow, Temporal, or similar workflow engines.

Cloud Infrastructure: Solid understanding of AWS ecosystem services (S3, Lambda, IAM) and how they integrate with the Snowflake Data Cloud.

EDI Tester / QA Analyst

Role Summary:

Validates migrated EDI maps, ensuring data integrity and functional accuracy across customer configurations.

Key Responsibilities:

• Develop and execute EDI-specific test cases and scenarios.
• Verify transaction correctness for multiple customer configurations.
• Conduct regression and integration testing.
• Log, track, and retest defects.
• Support client UAT.

Skills Required:

• Experience in EDI testing (X12, EDIFACT standards).
• Knowledge of Profit Tools and PortPro transaction workflows.
• Proficiency in test management tools (e.g., JIRA, TestRail).
• Data validation skills (SQL, XML/JSON parsing).
• Understanding of API testing (Postman, SoapUI).
• Strong analytical and documentation skills.

Location: Krishnagiri, Tamil Nadu

Experience: Minimum 2 years

Job Type: Full-time

Preferred Candidate: Female

About the Role:

We are seeking a dedicated and enthusiastic Computer Teacher to join our academic team. The ideal candidate will have at least 2 years of teaching experience, strong communication skills, and a passion for imparting computer knowledge to students at the school/college level.

Key Responsibilities:

• Deliver computer science curriculum to students as per academic guidelines.
• Teach foundational topics such as MS Office, Internet, HTML, and basic programming (e.g., Scratch, Python, C – as applicable).
• Plan and execute interactive lessons using digital teaching tools.
• Conduct practical sessions in the computer lab.
• Assess students’ progress through assignments, tests, and projects.
• Maintain attendance, grades, and student performance records.
• Encourage students to participate in tech-based activities and competitions.
• Collaborate with school/college staff for curriculum planning and development.
• Provide basic technical support for classroom technology when needed.

Required Qualifications:

• Bachelor’s degree in Computer Science, BCA, or any relevant discipline.
• B.Ed (preferred for school teaching roles).
• Minimum 2 years of teaching experience in a school or academic institution.
• Good command of English and Tamil (or local language as required).
• Strong classroom management and communication skills.

Preferred Qualities:

• Female candidates are preferred for this role.
• Ability to adapt teaching methods based on student needs.
• Familiarity with smart classroom tools and e-learning platforms.
• Passion for education and mentoring young minds.

Working Hours:

• Monday , Tuesday, Thursday to Saturday
• Timings: 9:00 AM to 4:00 PM

Salary Range:

₹15,000 – ₹20,000/month (based on experience and qualification)

Role : Web Scraping Engineer

Experience : 2 to 3 Years

Job Location : Chennai

About OJ Commerce: 

OJ Commerce (OJC), a rapidly expanding and profitable online retailer, is headquartered in Florida, USA, with a fully-functional office in Chennai, India. We deliver exceptional value to our customers by harnessing cutting-edge technology, fostering innovation, and establishing strategic brand partnerships to enable a seamless, enjoyable shopping experience featuring high-quality products at unbeatable prices. Our advanced, data-driven system streamlines operations with minimal human intervention.

Our extensive product portfolio encompasses over a million SKUs and more than 2,500 brands across eight primary categories. With a robust presence on major platforms such as Amazon, Walmart, Wayfair, Home Depot, and eBay, we directly serve consumers in the United States.

As we continue to forge new partner relationships, our flagship website, www.ojcommerce.com, has rapidly emerged as a top-performing e-commerce channel, catering to millions of customers annually.

Job Summary:

We are seeking a Web Scraping Engineer and Data Extraction Specialist who will play a crucial role in our data acquisition and management processes. The ideal candidate will be proficient in developing and maintaining efficient web crawlers capable of extracting data from large websites and storing it in a database. Strong expertise in Python, web crawling, and data extraction, along with familiarity with popular crawling tools and modules, is essential. Additionally, the candidate should demonstrate the ability to effectively utilize API tools for testing and retrieving data from various sources. Join our team and contribute to our data-driven success!

Responsibilities:

• Develop and maintain web crawlers in Python.
• Crawl large websites and extract data.
• Store data in a database.
• Analyze and report on data.
• Work with other engineers to develop and improve our web crawling infrastructure.
• Stay up to date on the latest crawling tools and techniques.

Required Skills and Qualifications:

• Bachelor's degree in computer science or a related field.
• 2-3 years of experience with Python and web crawling.
• Familiarity with tools / modules such as
• Scrapy, Selenium, Requests, Beautiful Soup etc.
• API tools such as Postman or equivalent. 
• Working knowledge of SQL.
• Experience with web crawling and data extraction.
• Strong problem-solving and analytical skills.
• Ability to work independently and as part of a team.
• Excellent communication and documentation skills.

What we Offer

• Competitive salary

• Medical Benefits/Accident Cover

• Flexi Office Working Hours

• Fast paced start up

FinCRM is a cloud-based Customer Relationship Management Solution with enhanced Office Management capabilities. It helps companies and individuals manage their sales, marketing, and support efforts all from a single place. It is equipped to help businesses of all sizes build excellent customer relationships.

Technical Experience:

• 2+ years' experience in creating applications using a framework such as CodeIgniter, Zend, Laravel, Bootstrap.
• Proficient in PHP, MySQL/SQL, CSS, HTML, Apache server, Java script, AJAX, jQuery, JSON, XML, APIs, Version Control/Git.
• Linux server Handling - Min 3 years experience
• LAMP, PHP & MySQL, OOP's, CodeIgniter - 3 to 4 years experience
• Experience with Version Controlling Tools - SVN, Mantis & Git

Skills:

• Able to create Solution Architecture and design based on requirements.
• Should possess excellent problem-solving skills and be a team player.
• Can identify technology trends and advances that may support the success of the project.
• Should have the ability to learn new tasks outside the immediate range of skills.

Responsibilities:

• Brainstorm with the team to come up with ideas regarding the development requirements.
• Determine the feasibility of ideas and identify the best way and tech stack to move ahead.
• Build products and api's as per the requirements with optimized code.
• Develop products considering scalable architecture and security.
• Testing and maintenance of different server environments.
• Handle code deployment on testing and production environments.
• Maintain code versioning and administer the database properly.

• Maintaining and updating databases in Excel, Mailchimp and other platforms 
• Executing marketing campaigns on Mailchimp and other email marketing platforms
• Montoring calendars and booking in meetings and calls for the management team 
• Competitor research, analysis and reporting
• Liaising and co-ordinating with suppliers including design agencies, hotels, publications and others
• Ad hoc support to team including assisting with events and promotional activity