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REQUIREMENT_ID_1746 โ€ข 3-DAY_ACTIVE_POLICY

Junior MERN Stack Developer

Company
Company Creuto
Type
Opportunity Type Internship
Salary
Stipend / Salary โ‚น3.5โ€“4.5 LPA
Location
Location Pan India
Posted Date
Posted Date Today
JavaScript ES6+ React.js Node.js Express.js MongoDB HTML5 CSS3 REST API integration Git GitHub basic database design problem solving communication
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Aptitude Practice Questions Open Resource โ†—
Helps you sharpen quantitative and logical reasoning skills essential for the online coding test at Creuto.
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Company Interview Preparation Guide Open Resource โ†—
Provides insights into typical interview patterns and common questions asked by Indian tech firms like Creuto.
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Comprehensive Interview Prep Resource Open Resource โ†—
Covers coding practice, system design basics, and softโ€‘skill tips useful for Creuto's technical and HR rounds.
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Algorithm & Data Structure Problem Set Open Resource โ†—
Offers a wide range of coding problems to improve problemโ€‘solving speed and accuracy for Creuto's coding assessment.

Bachelor's or Master's degree in Computer Science, Information Technology, Electronics, or related engineering streams; minimum aggregate of 60% (or equivalent CGPA); final year students or recent graduates (2023โ€‘2025 batch); no active backlogs at the time of joining; ability to demonstrate MERN stack projects or internships; strong problemโ€‘solving and communication skills.

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Round 1: Online coding test (data structures, algorithms, and basic JavaScript)
2
Round 2: Technical interview (MERN stack concepts, project discussion, system design)
3
Round 3: HR interview (fitment, motivation, salary expectations)
Creuto is an emerging technology solutions provider focused on building scalable web applications for startups and midโ€‘size enterprises across India. Founded by a group of seasoned software engineers, the company emphasizes a culture of continuous learning, rapid prototyping, and collaborative problemโ€‘solving. With a lean team spread across major Indian tech hubs, Creuto encourages its members to take ownership of product features, experiment with new tools, and contribute to openโ€‘source initiatives. The firmโ€™s portfolio includes eโ€‘commerce platforms, SaaS dashboards, and internal tools that leverage modern JavaScript frameworks, making it an attractive place for fresh talent eager to see their code impact real users. The Junior MERN Stack Developer role is designed for recent graduates or freshers who have a solid grounding in the MERN ecosystem (MongoDB, Express.js, React.js, Node.js). As a junior member, you will work sideโ€‘byโ€‘side with senior engineers, translating UI/UX designs into functional components, building RESTful APIs, and handling basic database operations. This position offers a handsโ€‘on environment where you can sharpen your fullโ€‘stack development skills, learn best practices in code versioning, testing, and deployment, and gradually take on more complex features as you grow. Key Responsibilities: 1. Develop and maintain responsive frontโ€‘end features using React.js and modern JavaScript (ES6+). 2. Create reusable UI components, forms, and integrate them with backend APIs. 3. Implement serverโ€‘side routes, controllers, and middleware using Node.js and Express.js. 4. Perform CRUD operations and basic schema design in MongoDB. 5. Integrate thirdโ€‘party REST APIs and handle data fetching, error handling, and state management. 6. Debug, troubleshoot, and fix bugs across the full stack to ensure a smooth user experience. 7. Write clean, readable, and wellโ€‘documented code following industry standards. 8. Participate in code reviews, pair programming sessions, and team standโ€‘ups. 9. Learn and apply stateโ€‘management solutions such as Redux or Context API. 10. Collaborate with senior developers to design scalable architecture and contribute to deployment pipelines. Tech Stack: JavaScript (ES6+), React.js, Node.js, Express.js, MongoDB, HTML5, CSS3, Git/GitHub, REST APIs. Preferred exposure to TypeScript, Redux/Context API, Next.js, Docker, and basic cloud platforms (AWS/GCP). Growth Path: Starting as a junior developer, you can progress to Midโ€‘Level MERN Engineer within 12โ€‘18 months, then to Lead Engineer or Fullโ€‘Stack Architect as you master system design and mentorship responsibilities. Creuto supports certifications, internal workshops, and conference attendance to accelerate your career. Why Join Creuto? You will be part of a fastโ€‘growing product team where your contributions are visible from day one. The company offers a supportive mentorship model, flexible workโ€‘fromโ€‘home options, and a competitive salary package for freshers. If you are passionate about building endโ€‘toโ€‘end web solutions and thrive in a collaborative, innovationโ€‘driven environment, Creuto provides the ideal launchpad for your software engineering journey.

Creuto โ€” AI & Machine Learning Interview Guide

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

APTITUDE & LOGIC ๐Ÿ“–
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 โ†—
COMPANY GUIDE ๐ŸŽฏ
Creuto Interview Preparation Corner

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

Open Resource โ†—
MOCK TESTS & PAPERS ๐Ÿ“
Comprehensive Interview Prep Resources & Syllabus

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

Open Resource โ†—
CODING PRACTICE ๐Ÿ’ป
Algorithm and Data Structure Problem Set

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

Open Resource โ†—
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 (JavaScript, ES6+, React.js, Node.js, Express.js, MongoDB, HTML5, CSS3, REST API integration, Git, GitHub, basic database design, problem solving, communication) & 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
Creuto Core Values, Learning Agility & Offer Terms
Demonstrate passion, strong communication, and readiness for full-time collaboration.
What is the bias-variance tradeoff and how do you prevent overfitting? Answer โ–ผ
Model Answer: High bias leads to underfitting (oversimplified model), high variance leads to overfitting (captures noise). Mitigate using L1/L2 Regularization, Dropout, Cross-Validation, and data augmentation.
Explain the difference between Precision, Recall, and F1-Score. Answer โ–ผ
Model Answer: Precision = TP / (TP + FP) (correctness of positive predictions). Recall = TP / (TP + FN) (coverage of actual positives). F1-Score is the harmonic mean of Precision and Recall.
How does Gradient Descent work and what is the role of Learning Rate? Answer โ–ผ
Model Answer: It optimizes loss functions by iteratively moving weights in the direction of negative gradient. A large learning rate may overshoot the minimum; a small rate causes slow convergence.
What is the difference between Supervised, Unsupervised, and Self-Supervised learning? Answer โ–ผ
Model Answer: Supervised uses labeled data (X -> y). Unsupervised finds hidden patterns in unlabeled data (clustering/PCA). Self-supervised generates labels from input data (e.g. masked language modeling in BERT/Transformers).
Why do you want to join Creuto as a Junior MERN Stack Developer?
Preparation Tip: Highlight Creuto's market reputation, recent tech innovations, and how your skills in JavaScript 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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