Sr Backend Developer

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.

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

Job Details:

We are seeking an experienced Full Stack .NET Developer with Azure to join our dynamic team. The ideal candidate will have a robust background in full stack development with expertise in Azure, React, Node.js, C#, .NET, Python (FastAPI/Flask), Terraform, and CI/CD pipelines. You will play a key role in developing, optimizing, and deploying scalable applications on Azure, ensuring high performance, security, and reliability.

This role will involve collaboration across teams, working on both frontend and backend solutions, and utilizing cloud technologies to drive project success.

Key Responsibilities:

• Design, develop, and maintain full stack applications using Azure, React, Node.js, C#, .NET, and Python (FastAPI/Flask APIs).
• Develop and integrate RESTful APIs using .NET and Python frameworks (FastAPI/Flask).
• Build and manage CI/CD pipelines to streamline deployment and automate testing processes.
• Develop infrastructure as code (IaC) with Terraform to manage and provision resources in the Azure environment.
• Ensure application scalability, security, and performance across all layers of the stack.
• Work closely with cross-functional teams to translate business requirements into technical specifications.
• Troubleshoot, debug, and enhance existing applications to optimize performance.
• Implement best practices for cloud security, data protection, and compliance within Azure services.
• Conduct code reviews and provide technical mentorship to junior developers as needed.

Required Skills & Qualifications:

Experience: 7-10 years of full stack development experience, with a strong focus on Azure cloud.

Frontend:

• Proficient with React.js, building and optimizing web interfaces.

Backend:

• Solid knowledge of Node.js, C#, and .NET for building robust backend applications.
• Hands-on experience in Python development, specifically building APIs using FastAPI and/or Flask.
• Strong understanding of RESTful API design and microservices architecture.

Cloud Infrastructure:

• Experience with Azure services, deployment, and scaling applications on Azure.

Infrastructure as Code (IaC):

• Hands-on experience with Terraform for Azure resource management.

CI/CD:

• Proficient in setting up and maintaining CI/CD pipelines using Azure DevOps or similar tools.

Database:

• Familiarity with Azure SQL, Cosmos DB, or other databases for full stack applications.

Best Practices:

• Strong understanding of software development best practices, including security, testing, and DevOps.

-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

Hiring for Dot Net Full Stack Developer - React Js

Exp: 5 - 8 yrs

Work Location : Bengaluru , Chennai , Hyd

Hybrid

Shift Timings : 2:00 pm - 10: 30 pm

Skills :

4+ years of experience in .Net Core,

3 years of experience in Rest API, Entity Framework, React JS and Azure.

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

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.

Eligibility:

• Only IIT / NIT graduates
• Immediate joiners preferred

Mandatory Skills:

• Strong experience in Core Java
• Spring Boot & Microservices
• REST APIs
• SQL / Relational Databases
• Data Structures & Algorithms
• Strong problem-solving skills
• Experience in designing scalable backend applications

Good to Have:

• Cloud (AWS/Azure/GCP)
• Kafka / Messaging Systems
• Docker & Kubernetes

Interested candidates who meet the above criteria can share their updated resume along with:

• Total Experience
• Current CTC
• Expected CTC
• Notice Period
• Current Location

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.

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