Senior Backend Developer(C#&.Net)

Job Title : Backend / API Developer - Python (FastAPI) / Node.js (Express)

Location : Remote

Experience : 4+ Years

Job Description :

We are looking for a skilled Backend / API Developer - Python (FastAPI) / Node.js (Express) with strong expertise in building secure, scalable, and reliable backend systems. The ideal candidate should be proficient in Python (FastAPI preferred) or Node.js (Express) and have hands-on experience deploying applications to serverless environments.

Key Responsibilities :

• Design, develop, and maintain RESTful APIs and backend services.
• Deploy and manage serverless applications on Cloudflare Workers, Firebase Functions, and Google Cloud Functions.
• Work with Google Cloud services including Cloud Run, Cloud Functions, Secret Manager, and IAM roles.
• Implement secure API development practices (HTTPS, input validation, and secrets management).
• Ensure performance optimization, scalability, and reliability of backend systems.
• Collaborate with front-end developers, DevOps, and product teams to deliver high-quality solutions.

Mandatory Skills :

Python (FastAPI) / Node.js (Express), Serverless Deployment (Cloudflare Workers, Firebase, GCP Functions), Google Cloud Services (Cloud Run, IAM, Secret Manager), API Security (HTTPS, Input Validation, Secrets Management).

Required Skills :

• Proficiency in Python (FastAPI preferred) or Node.js (Express).
• Hands-on experience with serverless platforms (Cloudflare Workers, Firebase Functions, GCP Functions).
• Familiarity with Google Cloud services (Cloud Run, IAM, Secret Manager, Cloud Functions).
• Strong understanding of secure API development (HTTPS, input validation, API keys & secret management).
• Knowledge of API design principles and best practices.
• Ability to work with CI/CD pipelines and modern development workflows.

Preferred Qualifications :

• Strong knowledge of microservices architecture.
• Experience with CI/CD pipelines.
• Knowledge of containerization (Docker, Kubernetes).
• Familiarity with monitoring and logging tools.

Job Summary: We are seeking a talented and motivated Software Developer with 1-4 years of experience to join in Pune. The ideal candidate will be proficient in WPF (Windows Presentation Foundation) and C#, with a strong understanding of modern software development principles and architectural patterns. You will be responsible for designing, developing, and maintaining robust and scalable desktop applications, contributing to the full software development lifecycle within an agile team.

Key Responsibilities:

• Design, develop, test, and deploy high-quality desktop applications using WPF, XAML, and C#.
• Implement and maintain application logic following established architectural patterns such as MVVM (Model-View-ViewModel) and MVC (Model-View-Controller).
• Utilize threading concepts effectively to ensure responsive and performant user interfaces.
• Work with various database technologies to store and retrieve application data efficiently.
• Integrate with internal and external APIs to extend application functionality.
• Apply strong Object-Oriented Programming (OOP) principles in all development activities.
• Collaborate closely with product owners, UI/UX designers, and other developers to translate requirements into technical specifications and deliver effective solutions.
• Participate actively in all phases of the Software Development Life Cycle (SDLC), including requirements gathering, design, development, testing, deployment, and support.
• Adhere to Agile methodologies (Scrum/Kanban) to ensure timely delivery and continuous improvement.
• Contribute to code reviews, ensuring code quality, maintainability, and adherence to coding standards.
• Troubleshoot and debug issues, providing timely resolutions and maintaining application stability.
• Stay updated with the latest industry trends and technologies related to WPF and desktop application development.

Required Technical Skill Set:

• Must-Have Experience:
• WPF (Windows Presentation Foundation) and XAML: Demonstrated expertise in building complex and user-friendly desktop applications.
• C#: Strong proficiency in C# programming language, including .NET Framework or .NET Core.
• Threading Concepts: Solid understanding and practical experience with multi-threading and asynchronous programming to create responsive applications.
• Database: Experience with relational databases (e.g., SQL Server, MySQL, PostgreSQL) and ORM frameworks (e.g., Entity Framework).
• API Integration: Experience consuming and integrating with RESTful APIs.
• MVVM (Model-View-ViewModel): In-depth understanding and practical application of the MVVM architectural pattern.
• MVC (Model-View-Controller): Familiarity with the MVC architectural pattern.
• Object-Oriented Programming (OOP): Excellent grasp of OOP principles (Encapsulation, Inheritance, Polymorphism, Abstraction) and design patterns.
• Good to Have Experience:
• Windows Canvas / User Document: Experience with advanced UI elements and document handling in WPF.
• Web Programming (ASP.NET): Basic understanding or experience with ASP.NET for potential full-stack awareness.
• Task Management: Experience with task management tools (e.g., JIRA, Azure DevOps).
• Fast-paced Team Environment: Proven ability to thrive and deliver in a dynamic and fast-paced team setting.
• Agile Methodology / SDLC: Practical experience working in an Agile/Scrum environment and a strong understanding of the Software Development Life Cycle.

Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• 1 to 4 years of hands-on experience in WPF desktop application development.

We are looking for an ASP.NET developer to be responsible for designing and monitoring applications. The responsibilities of ASP.NET developers include writing code, designing solutions for applications, and improving functionality.

To be successful as an ASP.NET developer, you should demonstrate excellent problem-solving skills, high-quality coding skills, and the ability to manage your time efficiently. Ultimately, a top-notch ASP.NET developer should have superior knowledge of software development, a keen eye for detail, and be able to work independently.

• Creating top-quality applications.
• Collaborating with front-end developers.
• Ensuring that junior staff delivers according to standards.
• Improving functionality.
• Using the most updated and appropriate technologies.
• Designing and building application layers.

• Previous experience as a developer.
• Extensive working knowledge of coding using .NET languages (C+, VB, .NET).
• Familiarity with ASP.NET framework and SQL servers.
• A keen eye for detail.
• Strong communication skill

Your Job Role

• Write clean, scalable code using .NET Framework
• Remain up to date with the terminology, concepts, and best practices for coding.
• Develop technical interfaces, specifications, and architecture
• Use and adapt existing web applications for apps
• Create and test software prototypes
• Develop client displays and user interfaces
• Assist software personnel in handling project-related work and other requirements
• Coordinate with other software professionals and developers

What are requirements

• Familiarity with the ASP.NET framework, SQL Server, and design/architectural patterns (e.g. Model-View-Controller (MVC)
• Min 3 years experience of development experience using C# .NET
• Knowledge of at least one of the .NET languages (e.g. C#, Visual Basic . NET) and HTML5/CSS3
• Familiarity with architecture styles/APIs (REST, RPC)
• Understanding of Agile methodologies
• Strong attention to detail
• Excellent troubleshooting and communication skills
• Knowledge of REST and RPC APIs
• Able to work well in a team setting

Other Details

Experience required- 3+ years

Job Location- Noida (Onsite)

Job Type- Full time

OnScreen is looking for a full-time hands-on Software Developer responsible for bringing status disrupting products in the market.

As a Software Developer, you will be responsible for the design and coding of scalable and high performant web applications working on technologies including Microsoft .Net 4.0, Win 32, C#/C++,  and Azure. You will be a part of an Agile development team and would have full access to the complete development life cycle including opportunity to shape requirements and application design. We are looking for relevant experience of around 5-7 years.

Requirements

• Strong experience in Microsoft .Net desktoptechnologies including C#
• Strong application design experiencealong with writing Unit Tests.
• Strong data structure concepts
• Demonstrated experience in working on Enterprise-level
• Good communication skills,collaborative attitude, and mentoring mind-set.
• Desirable - Azure SQL, REST API, Azure deployment, Entity framework.

OnScreen was started to chart a better path for Enterprises facing countless barriers to adoption and efficiency. Our Founders, Directors, and Investors have extensive experience dealing with these problems and are passionate about building and providing a solution that alleviates these chronic pain points. To know more about OnScreen, please visit https://www.onscreen.us/

 2+ years of .NET Development experience

- Exceptional skills Experience with .NET,  technologies (WPF, Web Forms, .NET Core). Also skilled in MS SQL and PostgreSQL, Bootstrap and DevOps.

- Experience with DevExpress, Elasticsearch.Net, VS Studio is preferred SolarSearch

- Great business process understanding and written and verbal communication skills

- GitHub and Git experience.

Responsibilities:

• Responsible for developing Web Applications/ Rest Apis/ Automation Scripts.
• Design, Develop, Enhance and test Back End Web Modules using Nodejs, Nestjs Framework, Mongo DB.
• Research and explore existing solutions, competition to get a holistic understanding of the design and development.
• Communicate and collaborate effectively with various teams for effective outcomes.
• Meet deadlines in a high intensity work environment.
• Write Highly scalable and stable code.
• Pick up any project & amp; suggest a solution for completing it.
• Write production ready code with minimal bugs.
• Review other engineers' code and provide constructive feedback.
• Help grow the engineering team through involvement in the technology community (conferences, meetups, blog posts, open-source projects, etc) and referrals.
• Monitor changes in production & amp; rollback if necessary.
• Pair often and provide some guidance to more junior engineers.

Requirements:

• 2-6 years of working experience in backend technologies.
• Proficient in NodeJs, NestJs, Js.
• Understanding of Backend End Technologies.
• Proficient in RESTful APIs and API Communications.
• Understanding of Sql and NoSql Databases.
• Good grasp of Asynchronous Programming and its work arounds.
• Database schema Creation for business process.
• Working knowledge in user authentication and authorization.
• Implementing data protection Error Handling skills
• Good at analyzing and solving problems.
• Passionate to work in a start-up.
• Knowledge of firebase authentication and analytics.
• Knowledge of AWS deployment tools and strategy.
• Should be good with the Low Level and High Level Design.
• Understanding of Different Design Patterns.