L #2674
Applications open
Full-Time Job
[IHXQWZ20] Python Streamlit Developer
ZettaMine Labs Pvt. Ltd.
About the role
Hello All,
Greetings from ZettaMine!!!
Role: Python Streamlit Developer
Experience: 5 to 8 Years
Location: Coimbatore, Bhubaneswar, Kolkata, Hyderabad, Indore, Gurgaon
Notice Period: Immediate Joiners
Hiring for one of the Big 4's Clients
Overview
Design, develop, and maintain interactive web applications using Streamlit. Develop robust backend solutions and automation scripts using Python. Collaborate with business stakeholders to gather requirements and translate them into technical solutions.
Responsibilities
- Design, develop, and maintain interactive web applications using Streamlit
- Develop robust backend solutions and automation scripts using Python
- Collaborate with business stakeholders to gather requirements and translate them into technical solutions
- Troubleshoot production issues and provide timely resolutions
- Create and maintain technical documentation, user guides, and deployment procedures
- Support CICD implementation and application deployment processes
Requirements
- Strong expertise in Python development (6 years)
- Hands-on experience with Streamlit for application and dashboard development
- Strong proficiency in SQL with experience in query optimization and performance tuning
- Experience with data manipulation libraries such as Pandas and NumPy
- Knowledge of REST APIs and integration techniques
- Experience with version control systems such as Git
- Strong understanding of data modeling and database design concepts
- Experience working with relational databases such as SQL Server, PostgreSQL, Snowflake, Oracle, or MySQL
Interested candidates kindly share your updated CV to aruna.m@zettamine.com or WhatsApp to 6302404863.
Thanks & Regards,
Aruna.M
Eligibility & process
Who can apply
Seniority: Mid-Senior level. Employment type: Full-time
Skills & stack
Selection process
Details are shared by the recruiter after shortlisting.
Prep kit
20 resourcesStudy material 4
Aptitude Practice Questions & Mock Tests
Curated logical, quantitative, and verbal reasoning problems for the initial online screening round.
Company-Specific Interview Preparation Corner
Detailed interview experiences, exam formats, and previous test questions for ZettaMine Labs Pvt. Ltd. and tech roles.
Technical Placement Question Bank
High-yield coding cheat sheets, core CS fundamentals (OOP, DBMS, OS, Networks), and rapid revision guides.
Algorithm, DSA & Live Code Debugger Practice
Hands-on problem sets to improve coding speed and step-by-step memory debugging.
Company-specific guides 4
APTITUDE & LOGIC
Aptitude Practice Questions & Online Mock Tests
Curated logical, quantitative, and verbal reasoning problems to sharpen reasoning skills required for the initial screening test.
COMPANY GUIDE
ZettaMine Labs Pvt. Ltd. Interview Preparation Corner
Comprehensive guide covering typical interview formats, common questions, and preparation tips for ZettaMine Labs Pvt. Ltd. and off-campus tech roles.
MOCK TESTS & PAPERS
Comprehensive Interview Prep Resources & Syllabus
Collection of previous year questions, company-specific test patterns, and interview experiences for technical and HR rounds.
CODING PRACTICE
Algorithm and Data Structure Problem Set
Practice problems to improve coding proficiency and algorithm problem-solving speed for technical rounds.
Likely coding questions 4
Round-wise strategy 4
Round 1: Online Assessment (OA)
Aptitude, Quantitative Logic & 2 Coding Problems
Focus on accuracy and speed. Practice arrays, strings, and standard arithmetic puzzles.
Round 2: Technical Interview 1
Core Tech Stack (Python, SQL, REST APIs, PostgreSQL, MySQL, Oracle DB, SQL Server, CI/CD) & Live Code Tracing
Explain your thought process aloud. Analyze time & space complexities before coding.
Round 3: System Design & Problem Solving
Database Schemas, APIs & Architecture Basics
Clarify edge cases, diagram schemas cleanly, and discuss scalability trade-offs.
Round 4: HR & Cultural Fit Discussion
ZettaMine Labs Pvt. Ltd. Core Values, Learning Agility & Offer Terms
Demonstrate passion, strong communication, and readiness for full-time collaboration.
Technical questions 5
What is the difference between WHERE and HAVING clauses in SQL? Answer
Model answer: WHERE filters rows before any groupings are applied, while HAVING filters aggregated groups after GROUP BY has executed.
Explain SQL Window functions: ROW_NUMBER(), RANK(), and DENSE_RANK(). Answer
Model answer: ROW_NUMBER() assigns unique sequential integers. RANK() assigns identical ranks to ties and skips ranks. DENSE_RANK() assigns identical ranks to ties without skipping rank numbers.
How do you handle NULL and missing values during data cleaning in Python/Pandas? Answer
Model answer: Use .isna().sum() to identify missing values. Impute with mean/median using .fillna() or remove with .dropna(subset=[...]) depending on variance impact.
What is the difference between Star Schema and Snowflake Schema in Data Warehousing? Answer
Model answer: Star Schema has denormalized dimension tables directly connected to the central Fact table. Snowflake Schema normalizes dimension tables into sub-dimensions to minimize redundancy.
How do you calculate MoM (Month-over-Month) growth in SQL? Answer
Model answer: Use LAG(revenue, 1) OVER (ORDER BY month) to fetch the previous month's revenue and compute (revenue - prev_revenue) / prev_revenue * 100.
Behavioural & HR questions 3
Why do you want to join ZettaMine Labs Pvt. Ltd. as a [IHXQWZ20] Python Streamlit Developer?
Highlight ZettaMine Labs Pvt. Ltd.'s market reputation, recent tech innovations, and how your skills in Python directly solve their team's objectives.
Highlight ZettaMine Labs Pvt. Ltd.'s market reputation, recent tech innovations, and how your skills in Python directly solve their team's objectives.
Describe a challenging bug or academic project roadblock and how you resolved it.
Use the STAR method: Situation (project context), Task (what needed solving), Action (specific tools/logic applied), Result (quantifiable positive outcome).
Use the STAR method: Situation (project context), Task (what needed solving), Action (specific tools/logic applied), Result (quantifiable positive outcome).
How do you handle strict deadlines or sudden scope changes?
Explain your prioritization strategy, proactive communication with mentors/peers, and agile mindset.
Explain your prioritization strategy, proactive communication with mentors/peers, and agile mindset.
Competitive Package
Hyderabad, India
Seniority: Mid-Senior level. Employment t…
