Python Backend Developer

Wissen is hiring for Python Backend Developer

About Wissen Technology:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide. Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Job Summary: We are looking for a passionate and detail-oriented QA Automation Engineer with over 3 years of experience. The ideal candidate will have a strong foundation in software testing methodologies, test automation, and a desire to deliver high-quality software products. You will be responsible for building and maintaining automation frameworks, identifying bugs, and ensuring the highest level of software quality.

Experience: 4-10 Years

Location: Pune

Mode of work: Full Time
Education: B.E./B.Tech/M.Tech from Tier 1 or Tier 2 Institutes only

Key Responsibilities:

• Design, develop, and maintain ETL pipelines and data workflows using Python and PySpark.
  
  

• Build and manage RESTful APIs for data access and integrations.
  
  

• Work closely with data scientists and analysts to deliver clean, reliable, and well-structured data.
  
  

• Optimize SQL queries, stored procedures, and performance for Oracle DB and MySQL.
  
  

• Implement and automate CI/CD pipelines for efficient deployment.
  
  

• Write unit and integration tests using PyTest.
  
  

• Parse and process XML files, handle file operations efficiently using Python.
  
  

• Ensure data quality through validation, cleansing, and monitoring pipelines in real-time.
  
  

• Follow Agile methodologies for iterative development and delivery.
  
  

• Apply Object-Oriented and Functional Programming principles in service design and architecture.
  
  

Requirement:

• Strong experience in Python (Backend only) with focus on data structures, OOPs, and algorithms.
  
  

• Hands-on experience with PySpark for large-scale data processing.
  
  

• Solid knowledge of Django or Flask web frameworks.
  
  

• Expertise in SQL with deep understanding of query tuning and stored procedures.
  
  

• Proficiency in file handling, XML parsing, and data validation using Python.
  
  

• Familiarity with REST API design and integration.
  
  

• Good knowledge of CI/CD tools like Git, Jenkins.
  
  

• Exposure to cloud platforms like GCP (preferred), AWS, or Azure.
  
  

• Excellent communication and interpersonal skills.
  
  

• Strong attention to detail and problem-solving mindset.
  
  

Good to have skills:

• Certification in cloud (e.g., GCP, AWS) or Python-related technologies.
  
• Experience in working with financial domain applications or data-heavy systems.
  
  

Wissen Sites:
Website: www.wissen.com
LinkedIn: https://www.linkedin.com/company/wissen-technology
Wissen Leadership: https://www.wissen.com/company/leadership-team/
Wissen Live: https://www.linkedin.com/company/wissen-technology/posts/feedView=All
Wissen Thought Leadership: https://www.wissen.com/articles/