dot net at VY SYSTEMS PRIVATE LIMITED · Hyderabad · 5 - 9 years · ₹5L - ₹23L / yr · Profitable · Posted 23 Sep 2026

Job Description – Senior .NET Core Multithreading Developer
Role Overview
We are looking for an experienced .NET Core Developer with strong expertise in multithreaded programming and asynchronous application development. The ideal candidate will have hands-on experience designing and developing high-performance, scalable backend applications using .NET Core, Task Parallel Library (TPL), and Async/Await programming. Experience with AI-assisted development tools such as GitHub Copilot and creating AI agents or prompt-driven solutions is highly desirable.
Key Responsibilities
- Design, develop, and maintain scalable backend applications using .NET Core.
- Implement high-performance, multithreaded applications using Task Parallel Library (TPL), Parallel Programming, and Concurrent Collections.
- Develop asynchronous workflows using Async/Await patterns for optimal application performance.
- Optimize application performance, memory usage, and thread synchronization.
- Identify and resolve concurrency issues such as race conditions, deadlocks, and thread contention.
- Build secure, reusable, and maintainable RESTful APIs.
- Integrate third-party APIs and cloud-based services.
- Utilize GitHub Copilot or similar AI coding assistants to improve development productivity.
- Design and develop AI prompt-based solutions and AI agents where applicable.
- Write clean, testable, and maintainable code following SOLID principles and design patterns.
- Participate in code reviews, architecture discussions, and performance tuning activities.
- Collaborate with cross-functional teams following Agile/Scrum methodologies.
Required Skills
- Strong experience with C# and .NET Core/.NET 6/7/8.
- Solid understanding of multithreading concepts and concurrent programming.
- Hands-on experience with:
- Task Parallel Library (TPL)
- Parallel.For/Parallel.ForEach
- Task, CancellationToken
- Concurrent Collections
- Thread Synchronization (lock, Monitor, Mutex, SemaphoreSlim, Interlocked)
- Strong knowledge of Async/Await programming.
- Experience developing REST APIs using ASP.NET Core.
- Understanding of dependency injection, middleware, and Entity Framework Core.
- Experience with performance optimization and memory management.
- Good knowledge of Git and version control workflows.
Preferred Skills
- Experience using GitHub Copilot or other AI-assisted coding tools.
- Experience creating AI prompts, prompt engineering, or AI agents.
- Knowledge of Azure services or cloud-native development.
- Experience with Docker and Kubernetes.
- Familiarity with CI/CD pipelines.
- Knowledge of Microservices architecture and messaging technologies (RabbitMQ, Azure Service Bus, Kafka).

About VY SYSTEMS PRIVATE LIMITED
About
Vy Systems is a Global Technology consulting, Solutions, and Managed Technology Services company. We service our customers with ‘RESPONSIVENESS’ as a key factor and we believe that timely response to any transaction increases the operational efficiency and accelerates the revenue and profitability to our customers.
The Company is founded and managed by a team of professionals having more than two+ decades of global experience in the business of Technology Consulting and Services.
Tech stack
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Employment Type: Full-time, Contractual
Contract Duration: 3–6 Months
Job Summary
We are looking for a skilled .NET Developer with strong experience in C#, ASP.NET Core,
Web APIs, and modern application development practices. The ideal candidate should have a
solid understanding of .NET fundamentals, dependency injection, middleware, action filters,
model binding, and application architecture.
Key Responsibilities
Design, develop, and maintain scalable applications using .NET and ASP.NET Core.
Develop and consume RESTful APIs and microservices.
Implement Dependency Injection and follow SOLID principles.
Develop and configure Middleware components for request processing.
Implement and customize Action Filters for authorization, validation, logging, and
exception handling.
Work with Model Binding, Validation, and API request/response handling.
Optimize application performance and troubleshoot production issues.
Collaborate with cross-functional teams in Agile environments.
Participate in code reviews and follow coding best practices.
Mandatory Technical Skills
.NET & C#
Strong knowledge of C# and .NET Framework/.NET Core.
Good understanding of OOPs concepts and design patterns.
Hands-on experience with Extension Methods.
Understanding of Delegates, Events, Lambda Expressions, LINQ, and Async
Programming.
Knowledge of IDisposable interface and Using Statement.
ASP.NET Core
ASP.NET Core MVC
ASP.NET Core Web API
Dependency Injection (Singleton, Scoped, Transient lifetimes)
Middleware Pipeline
Action Filters
Model Binding
Authentication & Authorization
Exception Handling and Logging
Database
SQL Server
Stored Procedures
Query Optimization
Entity Framework Core
Additional Skills
REST APIs
Git
Azure DevOps / CI-CD
Unit Testing
Preferred Skills
Microservices Architecture
Docker & Kubernetes
Azure Cloud Services
Messaging Services (RabbitMQ, Service Bus)
Clean Architecture / Domain Driven Design
Interview Focus Areas
Candidates should be able to explain and demonstrate:
Dependency Injection and service lifetimes (Singleton, Scoped, Transient)
Middleware vs Action Filters
Model Binding in ASP.NET Core
Extension Methods
IDisposable and Using Statement
ASP.NET Core Request Pipeline
REST API Design Principles
Job Summary
We are looking for an experienced .NET Core Developer with strong expertise in C#, Angular, ASP.NET, AWS Object-Oriented Programming (OOPS), SOLID Principles, and Unit Testing. The ideal candidate will be responsible for designing, developing, testing, and maintaining scalable, high-performance web applications while following coding best practices and clean architecture principles.
Mandatory Skills
- .NET Core / ASP.NET Core
- C#
- Angular
- AWS
- OOPS Concepts
- ASP.NET MVC / Web API
- SOLID Principles
- Unit Testing (xUnit, NUnit, or MSTest)
- Entity Framework Core
- RESTful API Development
- SQL Server
Roles & Responsibilities
- Develop, enhance, and maintain enterprise-grade applications using .NET Core and C#.
- Design and build scalable REST APIs and backend services.
- Apply OOPS concepts and SOLID principles to produce clean, maintainable code.
- Write comprehensive unit tests to ensure application reliability and code quality.
- Participate in code reviews and follow secure coding standards.
- Optimize application performance and troubleshoot production issues.
- Collaborate with cross-functional teams including UI developers, QA, and product owners.
- Follow Agile/Scrum methodologies throughout the development lifecycle.
We are seeking an experienced .NET Developer with strong expertise in C#, ASP.NET Core Web API, Entity Framework Core, PostgreSQL, automated testing, and software design patterns. The candidate should be capable of developing secure, scalable, and production-ready applications with complete technical ownership.
Required Skills and Responsibilities
- Strong knowledge of C#, OOP, LINQ, collections, generics, exception handling, and async/await.
- Proven experience designing secure, scalable, and high-performance ASP.NET Core Web APIs.
- Strong expertise in Entity Framework Core, migrations, transactions, concurrency handling, and query optimization.
- Advanced PostgreSQL knowledge, including complex queries, functions, indexing, execution plans, locking, and performance tuning.
- Experience with unit and integration testing using xUnit, NUnit, Moq, or similar frameworks that would be a plus.
- Good understanding of SOLID principles, Clean Architecture, dependency injection, and appropriate design patterns.
- Experience with authentication, authorization, validation, structured logging, monitoring, and centralized exception handling.
- Familiarity with Git, code reviews, Swagger/OpenAPI.
- Ability to troubleshoot API, application, database, memory, and performance issues.
- Take ownership of features from design and development through deployment and production support.
- Maintain high standards for code quality, security, testing, documentation, and maintainability.
- Proactively identify risks, resolve blockers, support critical releases, and perform root-cause analysis.
- Demonstrate strong problem-solving, communication, accountability, and teamwork skills.
Regards,
HR Team
www.onehubpos.com
Key Responsibilities
Design, develop, and maintain scalable applications using .NET Framework / .NET Core
Work with databases using MS SQL Server, Entity Framework, and Dapper
Build and consume RESTful APIs using ASP.NET MVC / Web API
Collaborate with front-end teams using HTML, CSS, JavaScript, Angular/React
Implement cloud solutions using Microsoft Azure (App Services, Azure SQL, Web Jobs, Automation)
Conduct code reviews and mentor junior developers
Ensure application performance, security, and scalability
Follow best practices for coding, testing, and deployment
Required Skills
Strong experience in C#, .NET Framework, .NET Core
Hands-on experience with MS SQL Server
Expertise in ASP.NET MVC, Web API
Proficiency in Entity Framework / Dapper
Experience with Git or similar version control systems
Front-end experience with Angular
Experience in project leadership or team handling
.NET Developer – Job Description
Position: .NET Developer
Experience: 4.5–9 Years
Location: Hyderabad
Work Mode: Hybrid – 4 Days WFO
Notice Period: Immediate to 15 Days Joiners Preferred
Interview: 1st Round – FTF
Weekend Drive: 26 September 2026
Passport: Mandatory
Job Summary
We are looking for an experienced .NET Developer with strong expertise in .NET Core, ASP.NET, Multithreading, TPL, and Async/Await programming. The candidate should also have experience with Git/GitHub and AI coding tools such as GitHub Copilot, along with knowledge of AI coding prompts and agent creation.
Mandatory Skills
- .NET Core
- ASP.NET
- Multithreading
- TPL (Task Parallel Library)
- Async/Await Programming
- Git/GitHub
- GitHub Copilot or other AI coding tools
- AI Coding Prompts
- AI Agent Creation
Roles & Responsibilities
- Design, develop, and maintain applications using .NET Core and ASP.NET.
- Implement multithreading and asynchronous programming solutions.
- Work with TPL and parallel programming concepts.
- Develop scalable and high-performance applications.
- Use Git/GitHub for source code management.
- Utilize GitHub Copilot and AI coding tools for development.
- Create and work with AI prompts and AI agents.
- Troubleshoot, debug, and optimize application performance.
- Follow coding standards and best development practices.
Candidate Requirements
- 4.5–9 years of relevant software development experience.
- Strong hands-on experience in .NET Core and ASP.NET.
- Good understanding of multithreading, TPL, and Async/Await.
- Experience with Git/GitHub.
- Exposure to AI-assisted coding tools is required.
- Passport is mandatory.
- Should be available for a hybrid work model with 4 days WFO in Hyderabad.
- Immediate to 15 days joiners preferred.
Senior-level .NET Developer
Experience – 5–8 years
Location – Remote
Core Requirements -
- Proficiency in modern C# and .NET SDK, including async/await and LINQ.
- Familiarity with .NET 8 and modern .NET development.
- Experience with Azure App Service, Azure Functions, and Azure DevOps.
- Strong experience with .NET Core and cross-platform application development.
- Understanding of microservices, containerization, and serverless computing patterns.
- Familiarity with integrating AI/ML technologies into .NET applications. Claude Code preferred.
- Understanding of DevOps practices and tools, including Azure DevOps.
- React 18+: Experience with concurrent rendering, Suspense, and server components if using Next.js.
- TypeScript: Strong experience building typed React applications.
- State Management: Experience with Redux Toolkit, Zustand, or React Query for server state.
- UI Frameworks: Experience with Material UI (MUI), Chakra UI, or Tailwind CSS.
- Routing: Experience with React Router v7 or Next.js routing if SSR/SSG is used.
- API Integration: Experience with Fetch API, Axios, or React Query for consuming .NET APIs.
- Form Handling: Experience with React Hook Form or Formik, including validation using Yup/Zod.
- Testing: Experience with Jest, React Testing Library, and/or Cypress for E2E testing.
- Build Tools: Experience with Vite, Webpack 6, or Turbopack.
- Performance Optimization: Experience with code splitting, lazy loading, and memoization.
- CORS: Understanding of CORS configuration in ASP.NET Core for React clients.
Nice to Have -
- Experience in Case Management, Legal, Financial, or Mortgage domains.
- Legacy development experience, as the role will involve some legacy work while transitioning to newer development.
Job Title: Senior Full Stack Developer(.NET Core)
Work Location: U.S Complex, Adjacent to Jasola Apollo Metro Station, Mathura Road New Delhi-110076
Background of the Role:
We, Infinity Assurance specialize in Warranty Service Administration, Extended Warranty, Accidental Damage Protection and a wide range of service products under our own brand “InfyShield.” Our offerings cover Mobile Phones, Home Appliances, Consumer Electronics, IT Equipment, Office Automation, AV Solutions, Classroom and Conference Room Technologies, Kitchen Appliances and more.
· We have a very extensive Enterprise grade End to End Business Management Software Application that is unmatched in the industry.
· The application has multiple Sub-applications and functionalities including Sales, Insurance Claims, Warranty Claims, Payments, Collections, Approvals, Billing / Invoicing, Payment / Tax / Bank Reconciliations, Partners Management, HRMS, Client Management etc. to suite end to end business needs of any enterprise.
· The application also has multiple integrations for Payment gateways, Voice calls, Video Calls, SMS, emails, WhatsApp, client applications, courier, Maps and databases, etc.
· To fuel our growth, we are inviting Backend Developers with expertise in .NET core, secure API development, and AI orchestration to build and scale a next-generation multi-tenant verification platform,
· We are building our software development team to execute new business growth plans and a fresh product roadmap.
· This position requires talents who are multi-skilled with hands-on experience; to work independently as well as in teams.
· Ideal candidates will be responsible to design, modify, develop, write, and implement software applications and components.
· Our technology processes documents and images across warranty, insurance, claims, and identity workflows—where trust, precision, and fraud prevention are paramount.
Key Responsibilities
· Assist in building multi-tenant backend services for verification and workflow-based applications.
· Integrate internal services with external APIs (e.g., government, financial, or partner systems) using REST API
· Develop and maintain ASP.NET Core Web APIs,
· Following best practices for security, performance, and code quality.
· To Work with relational databases to store, query, and optimize data using Entity Framework Core.
· Follow defined security and data-handling guidelines, including data masking or redaction mechanisms.
· Debug issues, fix bugs, and assist in production support
· Write clean, maintainable code and participate in code reviews.
Required Skills
· Working knowledge of C# and ASP.NET Core (Web API), JavaScript, jQuery
· Hands-on experience with Entity Framework Core and relational databases
· Core experience with REST APIs;
· Understanding of asynchronous programming in .NET
· Hands-on experience in MSSQL database
· 4–5 years of experience in backend or full-stack development using C# and ASP.NET Core
· Bachelor’s degree in Computer Science, IT, Electronics, or a related discipline
Desired Candidate Profile
· Prior experience in fintech, verification, or workflow-based platforms
· Comfortable working with existing codebases and learning enterprise patterns
Important Notes & Perks:
· Attractive pay structure as per the Market Standards
· Huge career growth opportunity
· Preference will be given to candidates who can join early
· Should have worked in small teams with multi-skilled resources
· This is a full-time, work-from-office opportunity (Preference will be given to candidates who are interested in Monday to Saturday; 6 days a week)
· Applications may be submitted via google form as per the link: https://forms.gle/XesCaxtoKos1wj8m8
About us:
We, Infinity Assurance Solutions Private Limited (https://www.infinityassurance.com; https://www.infyshield.com; https://www.infyvault.com ); a New Delhi-based portfolio company of Indian Angel Network, Aegis Centre for Entrepreneurship, Artha Venture Fund, and other marquee industry veterans.
We specialize in Warranty Service Administration, Extended Warranty, Accidental Damage Protection and various other service products for wide range of Mobile Phones, Home Appliances, Consumer Electronics, AV Solutions, Classroom / Conference-room Solutions, Kitchen Appliances, IT, Office automation, Personal Gadgets etc.
Incorporated in January 2014; as a debt-free, operationally profitable with positive net retained earnings, we have grown rapidly. Going forward, we are looking to grow multi-fold with newer areas of business expansion.
Our success is attributed to a very agile and technologically driven unique service delivery model, loyal long-term clients, in-house application, and lean organization structure.
We are looking for a passionate and skilled backend developer with strong expertise in .NET Core to join our engineering team at LeadSquared. This role is ideal for someone who thrives in building scalable, high performance services and is open to transitioning into Java-based technologies in the future. You will be responsible for designing and developing robust backend systems, APIs, and services that power our platform. A strong sense of ownership, attention to detail, and a commitment to writing clean, maintainable code are essential qualities we look for.
KEY RESPONSIBILITIES
▪️ Design, develop, and maintain scalable backend services using .NET Core.
▪️ Build and optimize RESTful APIs and microservices.
▪️ Collaborate with cross-functional teams to define, design, and ship new features. ▪️ Write clean, efficient, and testable code with a focus on long-term maintainability.
▪️ Optimize database queries and ensure high performance for data-intensive operations.
▪️ Implement caching and messaging solutions for performance and reliability. ▪️ Participate in code reviews and contribute to engineering best practices.
REQUIRED SKILLS & QUALIFICATIONS
▪️ 3–5 years of hands-on experience in backend development with .NET Core.
▪️ Strong programming skills in C#.
▪️ Experience with ASP.NET Core MVC, Web API, and WCF.
▪️ Solid understanding of multi-threading, asynchronous programming, and concurrency.
▪️ Experience with MySQL, SQL Server, or equivalent relational databases.
▪️ Strong expertise in SQL programming and query optimization for large datasets.
▪️ Familiarity with caching solutions such as Redis.
▪️ Experience with message brokers such as RabbitMQ, Kafka, or AWS SQS.
▪️ Hands-on experience with cloud platforms — preferably AWS, or Azure/GCP.
▪️ Exposure to analytics, observability, monitoring, and performance tuning.
▪️ Strong foundation in software design principles and logical thinking. Good to Have
▪️ Familiarity with containerization tools — Docker and Kubernetes.
▪️ Understanding of CI/CD pipelines and DevOps practices.
-Bachelor's degree in science/ IT/ Computer Science or equivalent
-Minimum 4-6 years of working experience in .NET Core, C#, SQL Server / PostgreSQL, Entity Framework
-Experience in Azure Functions, Azure App Services, Azure API
-Very good proficiency in English
-stakeholder management
🚀 Job Opportunity: Sr. .NET Lead (8+ Years Experience)
Location: Chennai, India
Experience: 8+ Years
We’re seeking a Senior .NET Developer with strong expertise in .NET 8/9, C# 12+, and distributed systems. This role involves end-to-end ownership — from database schema to API contract to event flow to deployment — while leveraging AI-assisted development tools for rapid, high-quality delivery.
🔑 Key Responsibilities
- Architect and develop distributed, event-driven systems
- Build and deploy microservices in cloud-native environments
- Collaborate on modern frontends (React) and backend APIs
- Ensure security, compliance, and multi-tenant isolation
- Critically evaluate and use AI-assisted coding, debugging, and documentation
🛠️ Required Skills
- Core .NET Expertise: C# 12+, .NET 8/9, ASP.Net Core, Entity Framework Core, SOLID principles, Saga & Decorator patterns
- Distributed Systems: MassTransit, message brokers, event-driven architecture
- Cloud & Infrastructure: AWS, Docker, Kubernetes
- Databases: SQL Server, MongoDB, Redis
- Security: Authentication, Identity Providers, compliance frameworks
- AI-Assisted Development: Daily use of AI tools with critical review
🌟 Nice to Have
- Financial Services Knowledge: Payments, FX, ACH/SWIFT, KYC/AML






