dotNet Developer

Job Opening: FreeSWITCH Developer

Location: Ecospace Business Park, Rajarhat, Newtown, Kolkata

Employment Type: Full-Time, Permanent

Shift: Day Shift

Experience: Minimum 4+ years in FreeSWITCH/VoIP Development

Responsibilities:

• Design, develop, deploy, troubleshoot, and maintain tools and services supporting our cloud telephony network.
• Customize FreeSWITCH for large-scale audio/video conferencing (1000–1500 concurrent calls).
• Expertise in SIP, RTP, RTCP, TURN, STUN, NAT, TLS.
• Hands-on experience with RTP Proxy and routed audio conferences.
• Understanding of SDP Protocol offer/answer mechanism.
• Work with load testing tools for FreeSWITCH audio conferences.
• Deploy and manage multiple FreeSWITCH instances using load balancers.
• Debug issues using packet captures (Wireshark/Ngrep).
• Collaborate with mobile/API teams for integration and support.
• Knowledge of codecs (PCMU, PCMA, G729, Opus) and open-source telephony technologies (FreeSWITCH, WebRTC).
• Familiarity with SIP servers (SER/OpenSER), proxy servers, SBC, SIPX is a plus.

Qualifications:

• Bachelor’s degree in Engineering (B.Tech/MCA).
• 4+ years of hands-on experience in FreeSWITCH development or related VoIP technologies.
• Strong knowledge of Linux environments and command-line tools.
• Basic to intermediate SQL knowledge.
• Proficiency in scripting (Bash, Python, Perl) for automation.
• Strong understanding of VoIP protocols (SIP, RTP), networking principles (TCP/IP, DNS, DHCP, routing protocols).
• Excellent troubleshooting skills with ability to resolve complex technical issues.
• Strong problem-solving, communication, and collaboration skills.

Industry Preference:

• Travel (Preferred)
• Any Industry (Required)

Job Title: .NET Developer with Cloud Migration Experience

Job Description:

We are seeking a skilled .NET Developer with experience in C#, MVC, and ASP.NET to join our team. The ideal candidate will also have hands-on experience with cloud migration projects, particularly in migrating on-premise applications to cloud platforms such as Azure or AWS.

Responsibilities:

• Develop, test, and maintain .NET applications using C#, MVC, and ASP.NET
• Collaborate with cross-functional teams to define, design, and ship new features
• Participate in code reviews and ensure coding best practices are followed
• Work closely with the infrastructure team to migrate on-premise applications to the cloud
• Troubleshoot and debug issues that arise during migration and post-migration phases
• Stay updated with the latest trends and technologies in .NET development and cloud computing

Requirements:

• Bachelor's degree in Computer Science or related field
• X+ years of experience in .NET development using C#, MVC, and ASP.NET
• Hands-on experience with cloud migration projects, preferably with Azure or AWS
• Strong understanding of cloud computing concepts and principles
• Experience with database technologies such as SQL Server
• Excellent problem-solving and communication skills

Preferred Qualifications:

• Microsoft Azure or AWS certification
• Experience with other cloud platforms such as Google Cloud Platform (GCP)
• Familiarity with DevOps practices and tools

Net Developer & API Expert

Position Summary:

We are looking for .Net Developers who are also Experts in API Integrations to join our development team and participate in different established projects.

We are looking for proactive, team players who are passionate about programming in this language and focused on providing the best experience to the end user.

This is an excellent opportunity for those professionals looking to develop in one of the fastest growing companies in the industry! These developers will face numerous technical challenges.

Essential Functions and Responsibilities:

·      Work on projects in the C#, .NET CORE and entity frameworks

·      Validate data with Postman, JSON, and basic SQL queries

·      Unit Testing

·      Write RESTful APIs (Core Web API)

·      Writing clean/maintainable code

·      MSSQL Server (Familiar with MongoDB, preferred but not required)

·      Understand best practices and commit to follow them

·      Work on new and difficult topics and contribute to libraries when needed

Knowledge, Skills, and Abilities:

·      Fluent in English

·      Strong knowledge of OOPs concepts

·      Knowledge of the Linux Operating System

·      Strong problem-solving, design, coding and debugging skills.

·      Knowledge about Git and Version Control

·      Preferred to have knowledge of Microservices Architecture (Not mandatory)

Senior Software Developer will be responsible for the design, development, and implementation of software applications using primarily Microsoft technologies, such as .NET. The candidate will work as part of a software development team.

Technical Skill:

1. Excellent knowledge of Vb.Net, C#, .Net 3.0/4.0/4.5, ASP.Net, ADO.Net

2. Experience in developing web applications and web services in Microsoft Visual Studio

3. Good proficiency in CSS, HTML, AJAX, XML and Java Script

4. Experience in developing T-SQL queries, Stored Procedures, Triggers using SQL Server 2008/2012

Requirement:

Extensive experience in all stages of SDLC with strong coding, debugging and analytical skills.

Good communication and interpersonal skills.

Sound analytical and grasping skills to understand business/functional requirements.

Ability to work independently on assigned tasks and with peers and stakeholders.

Experience: Minimum 3+ years of relevant experience in Dot Net.

Understand the Business requirement and design,develop web application with Web API, C#, OOPS  and Entity Framework.

• Design, develop, and unit test applications in accordance with established standards.   
• Preparing reports, manuals and other documentation on the status, operation and maintenance of software.   
• Analyzing and resolving technical and application problems   
• Adhering to high-quality development principles while delivering solutions on-time and on-budget   
• Providing third-level support to business users.   
• Compliance of process and quality management standards   
• Understanding and implementation of SDLC process   

• 2+ years of experience in Web API, C#.Net, OOPS and Entity framework
• Minimum 1+ years of experience on Web Application development HTML, CSS, JavaScript/JQuery, Entity framework and Linq Queries
• Must have a good exposure on query writing and DB management for writing stored procedures/ user-defined functions

Secondary Skills

• Experience in analysing existing code and debugging.
• Should have a solid understanding of the SDLC processes (Design, Construction, Testing, Deployment)
• Proven experience of delivering on-time and with quality
• Should have good unit testing skills to review his own development and identify all the defects and get it fixed before releasing the code
• Should have experience in developing ERP applications or Database Intensive Data Entry applications.
• Been on a same role for a period of 2 years or more
• Hands on experience of configuration management and version maintenance
• Full stack developers with experience in Developing products with Angular and C# APIs, from ground-up will be a plus.

Job functions/Description:

• Work on building custom web pages and websites for departmental applications.
• Work on improvements to existing web pages and sites, as well as connecting to backend databases to extract and store data.
• Build reports as needed for user requirements.
• Evaluate new technologies around reporting, low-code webpage development and others.
• Assist team lead in testing new enhancements to our websites and reporting solutions.
• Test of the website enhancements that we are doing, especially from a compliance/audit perspective.
• Support and ongoing patching/maintenance of our systems.

Must to have skills : 

• .NET – mandatory skill
• C#, ADO.net, MVC 
• SQL Server, T-SQL, stored procedure
• Javascript, jQuery
• AWS – important, but can learn on the job.
• Power BI – Very important skill, but can learn on the job

Must to have skills : 

• .NET – mandatory skill
• C#, ADO.net, MVC 
• SQL server, T-SQL, stored procedure
• Java script, jQuery
• AWS – important, but can learn on the job.
• Power BI – Very important skill, but can learn on the job

Must have:

• Knowledge on design, development and deployment of applications based on CMS and Dot Net technology framework
• Strong Analytical, Logical Reasoning and Problem-Solving skills
• Strong in SDLC concepts, RDBMS concepts and SQL/PL-SQL, Data Structures
• Ability to effectively work with a highly technical and virtually located team

Good to have:

• Considerable knowledge in the following: Drupal, .NET MVC, PHP, CSS, Angular, jQuery, Microsoft SQL Server, MySQL, DevOps, Agile software development 
• Exposure to mobile application development using any one of the mobile development platforms (iOS, Android, Windows)

Soft skills:

• Ability to co-ordinate among various user groups and internally within the team. This is a critical skill
• Excellent communication skills, both written and oral
• Ability to multi-task and prioritize
• Deliver on commitments
• Self-Starter and willing to learn many new skills on the job
• Willing to work flexible hours as the job demands
• Excellent trouble shooting skills
• Ability to think through various business issues and come up with solid design solutions that will stand the test of time
• Good listening and influencing skills; a strong customer focus is a must

Biddano  is seeking for an analytical, result driven, multi-skilled candidate  for design for the position of Backend Developer. He/She will be responsible for  programming languages and tools to analyze current codes and industry developments, formulate more efficient processes, solve problems and create a more seamless experience for users.

 The ideal candidate will have strong personal accountability for results, strong commitment to teamwork in support of the company's success, adherence to ethical business practices, and comfort operating in a start-up environment with an ability to prioritize and drive actions to closure.

a start-up environment with an ability to prioritize and drive actions to closure.

Backend Developer

Responsibilities:

• Participate in the entire application lifecycle, focusing on coding and debugging
• Write clean code to develop functional REST APIs Using Django/Python or NodeJs
• Troubleshoot and debug applications
• Perform unit test cases to optimize performance
• Manage cutting-edge technologies to improve legacy applications
• Collaborate with Front-end developers to integrate user-facing elements with server side logic
• Gather and address technical and design requirements
• Provide training and support to internal teams
• Build reusable code and libraries for future use
• Liaise with developers, designers and system administrators to identify new features
• Follow emerging technologies

Skills Required:

• Proven work experience as a Back-end developer
• In-depth understanding of the entire web development process (design, development and deployment)
• Hands on experience with programming languages like Python (Required), typescript(Required),  Java.
• Working knowledge of CMS framework
• Familiarity with back-end languages (e.g. HTML, JavaScript and CSS)
• Excellent analytical and time management skills
• Backend:
• Django/DjangoREST, Python (Prefered) or NodeJs. 
• Good experience of microservices. 
• Hosting and Deployment Solutions:
• Good understanding of AWS which includes(All required):
• Good expertise in Linux.
• EC2 instance management.
• Scalability (Horizontal or Vertical) which includes autoscaling.
• Proper use of S3 for static file management. 
• SNS or AWS email service.
• AWS resource cost optimization. 
• Proper knowledge of Load Balancers.
• Teamwork skills with a problem-solving attitude

Experience :

• Minimum 4-7 years of  experience as a Backend Developer 
• B.tech Computer Science, Engineering or similar relevant field