Fifty Five Technologies- DotNet Backend/ Full Stack Developer

Gurgaon, Noida, Chennai, Bangalore, Navi Mumbai, Pune, IN Until 9/21/2026 5+ years exp First posted July 23, 2026 Last posted July 23, 2026
Job description

About Company
FiftyFive is a global software development and technology consulting company, delivering full-cycle digital solutions across industries and geographies. We help businesses across the USA, UK, Australia, MENA, and the Nordics accelerate innovation and drive digital transformation.

Our offerings span:
- Custom Software & MVP Development
- Web & Mobile App Development
- Cloud Engineering (AWS, Azure, GCP)
- Embedded Software & IoT Solutions
- UI/UX and 3D Design
- Software Testing & QA

Website: https://www.fiftyfivetech.io/

BACKEND DEVELOPER

Location: Gurgaon, Noida, Chennai, Bangalore, Navi Mumbai, Pune

Experience: 5+ yrs

Required Skills

Strong proficiency in C# and .NET Core / ASP.NET Core
Experience building Web APIs and RESTful services
Strong understanding of SQL Server/PostgreSQL and query optimization
Hands-on experience with Azure cloud services Azure Functions Azure Blob Storage Azure Queues / Service Bus
Experience with Entity Framework or ORM tools
Understanding of Microservices Architecture
Familiarity with authentication, authorization, and security best practices

Key Responsibilities

  • Design, develop, and maintain scalable backend applications using C# and .NET Core
  • Build and optimize RESTful APIs and backend services
  • Develop cloud-native applications using Azure services
  • Work with Azure Functions, Blob Storage, Service Bus, and related services
  • Implement microservices architecture and distributed systems
  • Optimize SQL queries, database performance, and data models
  • Collaborate with frontend, QA, and DevOps teams for end-to-end delivery
  • Ensure code quality through code reviews, testing, and best practices
  • Troubleshoot production issues and improve system reliability and performance
  • Participate in technical discussions, architecture planning, and system design



FULLSTACK DEVELOPER


Job Description
Full Stack Developer (.NET + Angular/React + Azure)
Job Location – Gurgaon, Noida, Chennai, Bangalore, Navi Mumbai, Pune
Experience: 5+ Years
Employment Type: Full-Time


Job Overview:
We are looking for a skilled Full Stack Developer with strong expertise in .NET technologies, modern frontend
frameworks (Angular/React), and Azure cloud services. The ideal candidate should be capable of building
scalable, high-performance applications and working across the full development lifecycle.

Key Responsibilities:
• Design, develop, and maintain scalable web applications using .NET Core and modern frontend
frameworks
• Build and consume RESTful APIs and Web APIs
• Develop responsive and user-friendly interfaces using HTML5, CSS, JavaScript, Angular/React
• Work with SQL databases for data modeling, optimization, and performance tuning
• Integrate and manage Azure services such as Functions, Blob Storage, and Queues
• Collaborate with cross-functional teams to define, design, and ship new features
• Ensure application performance, scalability, and security
• Participate in code reviews, debugging, and troubleshooting production issues

Must-Have Skills:
• Strong experience in C#, .NET Core, Web APIs, REST services
• Hands-on experience with AngularJS or ReactJS
• Proficiency in HTML5, JavaScript, and Modern CSS
• Strong knowledge of SQL (SQL Server or similar)
• Experience with Azure Managed Services (Functions, Blob Storage, Queues)
• Understanding of full software development lifecycle (SDLC)

Good to Have Skills:
• Experience with Webpack / build tools
• Knowledge of Microservices architecture
• Experience with Docker / Kubernetes (containerization)
• Exposure to Microfrontends architecture

Preferred Qualifications:
• Bachelor’s degree in Computer Science or related field
• Experience working in Agile/Scrum environments
• Strong problem-solving and analytical skills

What We Offer:
• Opportunity to work on cutting-edge technologies and cloud-based systems
• Collaborative and growth-oriented work environment
• Career advancement and learning opportunities

    About this role

    Summary

    Develop and maintain scalable backend and full-stack applications using .NET and Azure.

    Job title

    Full Stack Developer

    Experience level

    5+ years

    Minimum experience

    5+ years exp

    Industry

    software

    Location requirements

    Gurgaon, Noida, Chennai, Bangalore, Navi Mumbai, Pune; remote not allowed.

    Salary

    Not specified

    Management role

    No

    Skills & keywords

    Required skills

    C#.NET CoreWeb APIsSQLAzure FunctionsAzure Blob StorageAzure QueuesEntity FrameworkMicroservicessecurity

    Preferred skills

    WebpackmicrofrontendsDockerKubernetesAgile

    Specializations

    C#.NET CoreAzureREST APIsAngular/React
    Locations

    Structured locations inferred from the posting.

    Gurugram, Haryana, India

    On-site City

    Noida, Uttar Pradesh, India

    On-site City

    Chennai, Tamil Nadu, India

    On-site City

    Bengaluru, Karnataka, India

    On-site City

    Navi Mumbai, Maharashtra, India

    On-site City

    Pune, Maharashtra, India

    On-site City