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Fullstack Developer | SDE - 1 / SDE - 2

Company
Company Zenvior Technologies
Type
Opportunity Type Full-Time Job
Salary
Stipend / Salary 25-40 Lacs PA
Location
Location Mumbai, India
Posted Date
Posted Date Yesterday
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Typescript Full Stack CSS/css3 Node.js Fullstack Development Sde Rest Javascript
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Aptitude Practice Questions & Mock Tests Open Resource ↗
Curated logical, quantitative, and verbal reasoning problems for the initial online screening round.
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Company-Specific Interview Preparation Corner Open Resource ↗
Detailed interview experiences, exam formats, and previous test questions for Zenvior Technologies and tech roles.
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Technical Placement Cheat Sheets & Question Bank Open Resource ↗
High-yield coding cheat sheets, core CS fundamentals (OOP, DBMS, OS, Networks), and rapid revision guides.
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Algorithm, DSA & Live Code Debugger Practice Open Resource ↗
Hands-on problem sets to improve coding speed and step-by-step memory debugging.

Experience: 2-7 Yrs. Open to matching qualifications.

1
Online Assessment / Technical Interview Rounds / HR Review
Location: Mumbai, Maharashtra Work Mode: On-site (Work from Office) Employment Type: Full-Time Experience: 27 Years About the Company We are a Mumbai-based, multi-platform frontier technology organisation building intelligent software products and scalable technology platforms. Operating at the intersection of technology, commerce and business operations, the organisation develops innovative digital solutions that power complex business workflows, customer experiences and enterprise operations. With a strong focus on engineering excellence, product innovation and scalable architecture, we are building technology that solves real-world business challenges across multiple industries. Role Overview We are looking for a skilled Full Stack Engineer to design, develop and maintain scalable web applications and product platforms. The ideal candidate should have strong frontend development capabilities combined with hands-on backend engineering experience in either Golang or Node.js . You will work across the technology stack, building responsive user interfaces, developing backend services, designing APIs and integrating systems to deliver reliable, high-performance applications. This role involves working closely with product managers, designers and engineering teams to translate business requirements into robust technical solutions. Key Responsibilities Design, develop, test and maintain scalable full-stack web applications. Build responsive and high-performance user interfaces using React.js, JavaScript and TypeScript. Develop robust backend services and APIs using either Golang or Node.js. Design, develop and integrate RESTful APIs and third-party services. Build reusable frontend components and maintain clean, modular and maintainable code. Work with databases to design data models, write queries and optimise application performance. Develop scalable services and contribute to distributed application architectures. Identify and resolve technical issues through debugging, troubleshooting and root-cause analysis. Ensure application performance, reliability, security and scalability. Participate in code reviews, technical discussions, sprint planning and release management. Contribute to CI/CD pipelines, deployment processes and continuous improvements in engineering workflows. Collaborate with cross-functional teams to understand requirements and deliver product features. Take ownership of features across the complete development lifecycle, from design and implementation to testing, deployment and production support. Required Skills & Qualifications Bachelor's degree in Computer Science, Information Technology, Engineering or a related discipline. 2+ years of hands-on experience in full-stack or web application development. Strong proficiency in frontend technologies, particularly React.js, JavaScript and TypeScript. Strong backend development experience in either Golang or Node.js . Good understanding of REST APIs, microservices and backend service development. Experience working with relational or NoSQL databases such as PostgreSQL, MySQL or MongoDB. Strong understanding of HTML5, CSS3 and responsive web development. Familiarity with Git, version control and collaborative development workflows. Understanding of application architecture, performance optimisation, debugging and software engineering best practices. Experience working in Agile/Scrum development environments. Good to Have Experience building scalable, customer-facing digital products or enterprise applications. Exposure to cloud platforms such as GCP, AWS or Azure. Familiarity with Docker, Kubernetes and CI/CD pipelines. Experience with Redis, Kafka or other caching and event-driven technologies. Understanding of distributed systems, asynchronous processing and system integrations. Exposure to application monitoring, observability and production support. Experience working on high-traffic applications or multi-platform technology products. Familiarity with automated testing frameworks such as Jest, Vitest or Playwright. Exposure to AI-assisted development tools and modern developer productivity practices. What We Are Looking For Strong problem-solving and analytical abilities. Ability to take ownership of end-to-end feature development. A product-oriented mindset with an understanding of building technology for real-world business requirements. Strong collaboration and communication skills. Ability to work in a fast-paced engineering environment and continuously learn new technologies. Work Environment This is an on-site opportunity based out of Mumbai, with a five-day working week. You will work closely with product and engineering teams in a collaborative environment, contributing to the development of scalable technology products and solutions. If you enjoy building scalable products, solving complex engineering problems and working with modern technology stacks, we would love to hear from you.

Zenvior Technologies — Software Engineering & Full Stack Interview Guide

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

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.

Open Resource ↗
COMPANY GUIDE 🎯
Zenvior Technologies Interview Preparation Corner

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

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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.

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CODING PRACTICE 💻
Algorithm and Data Structure Problem Set

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

Open Resource ↗
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 (Typescript, Full Stack, CSS/css3, Node.js, Fullstack Development, Sde, Rest, Javascript) & 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
Zenvior Technologies Core Values, Learning Agility & Offer Terms
Demonstrate passion, strong communication, and readiness for full-time collaboration.
Explain OOP (Object-Oriented Programming) principles with real-world examples in Typescript. Answer ▼
Model Answer: 1. Encapsulation (data hiding via private fields/getters). 2. Abstraction (hiding implementation complexity). 3. Inheritance (code reusability). 4. Polymorphism (method overriding/overloading).
What is the time and space complexity of QuickSort vs MergeSort? Answer ▼
Model Answer: QuickSort: Average O(N log N) time, O(log N) space. Worst O(N^2). MergeSort: Guaranteed O(N log N) time, but requires O(N) auxiliary space.
Explain the difference between SQL Indexing (B-Tree vs Hash) and when not to use an index. Answer ▼
Model Answer: Indexes speed up SELECT queries via B-Trees. However, they slow down INSERT, UPDATE, and DELETE operations because indexes must be updated on disk. Avoid on low-cardinality columns (e.g., boolean flags).
What happens under the hood when you enter a URL in a browser? Answer ▼
Model Answer: 1. DNS lookup (resolves IP). 2. TCP 3-way handshake (SYN, SYN-ACK, ACK). 3. TLS negotiation for HTTPS. 4. HTTP GET request sent. 5. Server responds with HTML/CSS/JS. 6. Browser renders DOM & CSSOM tree.
What is the difference between REST and GraphQL APIs? Answer ▼
Model Answer: REST uses multiple fixed endpoints with possible over/under-fetching. GraphQL uses a single endpoint allowing clients to query exact fields in a single request.
Why do you want to join Zenvior Technologies as a Fullstack Developer | SDE - 1 / SDE - 2?
Preparation Tip: Highlight Zenvior Technologies's market reputation, recent tech innovations, and how your skills in Typescript 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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