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REQUIREMENT_ID_1339 β€’ 3-DAY_ACTIVE_POLICY

Web App Developer

Company
Company greatworks.ai
Type
Opportunity Type Internship
Salary
Stipend / Salary β‚Ή4–7 LPA
Location
Location Chennai, Tamil Nadu
Posted Date
Posted Date Yesterday
PHP OOP MVC Laravel CodeIgniter MySQL PostgreSQL MongoDB React.js JavaScript Problem-solving Debugging Communication Time Management
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Aptitude Practice Questions Open Resource β†—
Helps you sharpen quantitative and logical reasoning skills essential for the online coding test at GreatWorks.
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Company Interview Preparation Guide Open Resource β†—
Provides insights into typical interview patterns and frequently asked questions for tech roles like Web App Developer.
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Technical Interview Prep Resources Open Resource β†—
Covers core concepts in PHP, Laravel, React.js, and database design to help you ace the technical round.
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Coding Problems for Practice Open Resource β†—
Offers a wide range of algorithmic challenges to improve problem‑solving speed for the coding assessment.

Graduates (B.Tech/B.E./MCA) in Computer Science, Information Technology, Electronics & Communication or related streams. Minimum aggregate of 60% (or CGPA 6.0/10). Freshers and candidates with up to 5 years of experience are eligible. No active backlogs at the time of joining. Preferred batch years: 2022‑2026, but open to recent graduates.

1
Round 1: Online coding test
2
Round 2: Technical interview (focus on PHP, Laravel, React)
3
Round 3: HR interview
GreatWorks Technologies is an emerging software solutions provider based in Chennai, Tamil Nadu. The company focuses on delivering end‑to‑end digital products for clients across e‑commerce, fintech, and enterprise domains. With a team of passionate engineers, designers, and product managers, GreatWorks emphasizes innovation, agile development, and continuous learning. The work culture encourages collaboration, knowledge sharing, and a merit‑based growth path, making it an attractive destination for fresh talent looking to build a solid career in web development. As a Web App Developer at GreatWorks, you will be part of a dynamic product squad that builds scalable web applications from scratch and enhances existing platforms. The role blends backend engineering with modern frontend development, allowing you to work across the full stack. You will translate business requirements into clean, maintainable code, ensure high performance, and contribute to the overall product roadmap. The position offers exposure to industry‑standard frameworks, cloud‑based deployments, and real‑world problem solving, preparing you for senior engineering roles in the future. Key Responsibilities: 1. Design, develop, and maintain web applications using PHP and object‑oriented principles. 2. Implement server‑side features with Laravel and CodeIgniter, adhering to MVC architecture. 3. Build responsive and interactive user interfaces using React.js, JavaScript, HTML5, and CSS3. 4. Create, integrate, and manage relational databases (MySQL, PostgreSQL) and NoSQL stores (MongoDB). 5. Write efficient queries, optimize database performance, and ensure data integrity. 6. Debug, troubleshoot, and resolve application issues, improving speed and reliability. 7. Follow coding standards, write unit tests, and maintain reusable component libraries. 8. Collaborate with UI/UX designers, product managers, and QA engineers to deliver features on schedule. 9. Participate in code reviews, knowledge‑sharing sessions, and continuous integration pipelines. 10. Stay updated with emerging technologies and suggest enhancements to the tech stack. Tech Stack: PHP, OOP, Laravel, CodeIgniter, MySQL, PostgreSQL, MongoDB, React.js, JavaScript, HTML5, CSS3, Git, REST APIs. Growth Path: Starting as a junior Web App Developer, you can progress to Senior Developer, Tech Lead, and eventually Architecture roles based on performance and skill acquisition. GreatWorks supports certifications, internal workshops, and mentorship programs to accelerate career growth. Why Join GreatWorks? The company offers a competitive CTC range of 4–7 LPA, flexible working hours, and a supportive environment that values innovation. You will work on real client projects, gain exposure to both backend and frontend ecosystems, and be mentored by seasoned engineers. The blend of challenging assignments and a collaborative culture makes GreatWorks an ideal launchpad for aspiring full‑stack developers.

greatworks.ai β€” Data Analytics & SQL Interview Guide

Previously asked questions, exam syllabus, coding benchmarks & round strategy.

APTITUDE & LOGIC πŸ“–
Aptitude Practice Questions & Online Mock Tests

Curated logical, quantitative, and verbal reasoning problems to sharpen reasoning skills required for the initial screening test.

Open Resource β†—
COMPANY GUIDE 🎯
greatworks.ai Interview Preparation Corner

Comprehensive guide covering typical interview formats, common questions, and preparation tips for greatworks.ai and off-campus tech roles.

Open Resource β†—
MOCK TESTS & PAPERS πŸ“
Comprehensive Interview Prep Resources & Syllabus

Collection of previous year questions, company-specific test patterns, and interview experiences for technical and HR rounds.

Open Resource β†—
CODING PRACTICE πŸ’»
Algorithm and Data Structure Problem Set

Practice problems to improve coding proficiency and algorithm problem-solving speed for technical rounds.

Open Resource β†—
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 (PHP, OOP, MVC, Laravel, CodeIgniter, MySQL, PostgreSQL, MongoDB, React.js, JavaScript, Problem-solving, Debugging, Communication, Time Management) & 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
greatworks.ai Core Values, Learning Agility & Offer Terms
Demonstrate passion, strong communication, and readiness for full-time collaboration.
What is the difference between WHERE and HAVING clauses in SQL? Answer β–Ό
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 β–Ό
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 β–Ό
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 β–Ό
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 β–Ό
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.
Why do you want to join greatworks.ai as a Web App Developer?
Preparation Tip: Highlight greatworks.ai's market reputation, recent tech innovations, and how your skills in PHP directly solve their team's objectives.
Describe a challenging bug or academic project roadblock and how you resolved it.
Preparation Tip: 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?
Preparation Tip: Explain your prioritization strategy, proactive communication with mentors/peers, and agile mindset.

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