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Senior .NET Software Engineer

Epam Systems

  • Kochi, India
  • Competitive Package (Best in Industry)
  • 5-8 Yrs
  • Posted Today
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About the role

We are hiring a Senior .NET Software Engineer to create and enhance scalable software products in close collaboration with cross-functional teams. You will build RESTful backend services and full stack capabilities with C#, .NET Framework 4.x, and .NET Core, including deployments on Linux and AWS, so apply today. Responsibilities Develop and support applications built with C#, .NET Framework 4.x, and .NET Core Implement backend services, REST APIs, and application components aligned with standards and best practices Build and maintain full stack applications across both frontend and backend Model and tune database solutions using Microsoft SQL Server, MongoDB, and other relational or non-relational databases Leverage OOP, design patterns, and architectural best practices to keep solutions maintainable and scalable Release and diagnose .NET Core applications running in Linux-based environments Coordinate deployment and service integration activities across AWS Create unit and integration tests, troubleshoot issues, and boost reliability and performance Partner with architects, QA engineers, and fellow developers to deliver quality software solutions Requirements 5+ years of professional coding experience with C# and .NET Framework 4.x Hands-on experience building .NET Core solutions for Linux-based environments Proven background developing backend systems and REST APIs Good understanding of Microsoft SQL Server, MongoDB, and database design principles Solid grasp of OOP, common design patterns, and software architecture concepts Experience using AWS services to deploy and run applications Strong problem-solving ability and analytical mindset Demonstrated ability to produce clean, maintainable, and reusable code Awareness of application performance, scalability, and security needs Clear communication skills and strong teamwork mindset Nice to have Knowledge of microservices architecture and cloud-native application development Exposure to automated testing, CI/CD pipelines, and source control tools like Git Experience working with Docker and Kubernetes Background working in Agile/Scrum teams

Eligibility & process

Who can apply

Experience: 5-8 Yrs. Open to matching qualifications.

Skills & stack

Analytical C# SQL Linux .NET Core Integration REST APIs Microservices

Selection process

  1. Online Assessment / Technical Interview Rounds / HR Review

Prep kit

20 resources
Study 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 Epam Systems 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 Epam Systems Interview Preparation Corner Comprehensive guide covering typical interview formats, common questions, and preparation tips for Epam Systems 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
💻 Two Sum & Two Pointers Array Optimization Easy / Medium Asked in 85% tech rounds ⚡ Live debugger 💻 Reverse Linked List & Detect Cycle (Floyd's Algorithm) Medium Frequently asked in core rounds ⚡ Live debugger 💻 SQL Nth Highest Salary with DENSE_RANK() & Subqueries Medium Top standard database question ⚡ Live debugger 💻 Valid Parentheses & Stack Implementation Easy / Medium Standard online assessment problem ⚡ Live debugger
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 (Analytical, C#, SQL, Linux, .NET Core, Integration, REST APIs, Microservices) & 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 Epam Systems 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 Epam Systems as a Senior .NET Software Engineer?
Highlight Epam Systems's market reputation, recent tech innovations, and how your skills in Analytical 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).
How do you handle strict deadlines or sudden scope changes?
Explain your prioritization strategy, proactive communication with mentors/peers, and agile mindset.

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