11+ PSTN Jobs in Delhi, NCR and Gurgaon | PSTN Job openings in Delhi, NCR and Gurgaon
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About Us
Rezo.ai is an AI-Powered Contact Centre that enables enterprises to enhance customer experience and boost revenue by automating and analyzing customer agent interactions across multiple channels including voice, email, chat/WhatsApp, and social, at the required scale, whilst training agents with minimal costs
How do we do it
Rezo’s AI-Powered contact center leverages ground-breaking technologies in AI, ML, ASR, NLP, RPA, and predictive intelligence to transform customer experience and reduce costs by automating, and analyzing social media, whilst coaching them.
Job Description
- Preference would be given to having experience in IVR and Call Center application development.
- Hands-on experience in Kamailio SIP Server
- Hands-on experience in WEBRTC
- Asterisk integration with PSTN is preferred.
- Asterisk integration with Database (MySQL and MSSQL) with knowledge of queries and stored procedures.
- Scripting with Shell, Perl.
- Experience in installing Hosted VoIP
Nice to have- Good knowledge of SIP and IAX.
- MySQL and Telephony Domain.
- Ability to test and troubleshoot Asterisk applications/issues
- Knowledge of C programming in Asterisk
Qualifications
Candidate Profile
The candidate must have:
- 2 - 4 years of experience working on the Asterisk platform.
- Strong Knowledge of PBX, SIP, and RTP protocols.
- Strong knowledge of multi-asterisk server architecture
- Sound knowledge of Asterisk Dial-plan, Asterisk Gateway Interface and Asterisk Manager Interface.
- Worked on Queue, IVR and Voicemail-related applications.
- Expert in Asterisk installation, configuration and troubleshooting.
- Expert knowledge of installing and configuring Asterisk with PSTN card.
- R & D skills in Asterisk.
- Experienced with Linux (LAMP) servers (Centos, Apache, MySQL, PHP)
LOCATION
Delhi/Gurgaon (travel readiness outside home residence is important)
EXPERIENCE 5+ years
ROLES & RESPONSIBILITIES :
• Design, develop, and maintain scalable and secure web and desktop applications using .NET technologies.
• Design, develop, and maintain web and desktop applications usin.NET Framework and .NET Core technologies.
• Build scalable, secure, and high-performance web applications using ASP.NET, MVC, and Web API.
• Develop and optimize data access layers using Entity Framework and interact with SQL Server or other relational databases.
• Implement responsive front-end interfaces using HTML, CSS, JavaScript, and modern frameworks like Angular or React.
• Ensure cross-platform compatibility and responsiveness for web applications.
• Write clean, maintainable, and testable code following coding standards and best practices.
• Collaborate with cross-functional teams including designers, testers, and other developers throughout the SDLC.
• Participate in code reviews, troubleshooting, and performance tuning.
• Ensure application security, scalability, and reliability.
SKILLS AND QUALIFICATION
• 5+ years of professional experience in .NET application development.
• Minimum 5 years of experience in .NET development.
• Strong hands-on experience with C#, ASP.NET MVC, .NET Core, and Web API.
• Proficiency in Entity Framework and SQL Server or other relational databases.
• Solid front-end development skills with HTML, CSS, JavaScript, and experience with Angular or React.
• Strong understanding of object-oriented programming and design patterns.
• Experience in full-stack development with an ability to manage both backend and frontend requirements.
• Familiarity with version control systems like Git.
• Excellent debugging, problem-solving, and analytical skills.

Job Title: Customer Success Associate (International Process)
Location: Gurugram, Haryana
Work Mode: Work from Office
About the Role:
We are seeking passionate and customer-focused professionals to join our international support team. If you have excellent communication skills, a problem-solving mindset, and prior experience in customer service—especially within international or healthcare domains—this opportunity is for you.
As a Customer Success Associate, you will be responsible for managing and resolving customer queries efficiently while ensuring an exceptional service experience.
Key Requirements:
- Excellent English communication skills (C1 level – mandatory)
- Education: Graduates and Undergraduates both are eligible
- Minimum 1 year of experience in International Customer Support (Healthcare background preferred)
- Salary: Up to ₹35,000 CTC (₹30,517 in-hand)
- 5 Days Working with 2 rotational week-offs
- Rotational Shifts (24/7 environment)
- Two-way cab facility available (for hiring zone only)
Roles & Responsibilities:
- Handle inbound and outbound calls, chats, or emails from international customers.
- Provide prompt, accurate, and empathetic assistance for customer queries or concerns.
- Analyze customer issues and ensure first-contact resolution wherever possible.
- Escalate unresolved or complex issues to higher support tiers when necessary.
- Maintain detailed and accurate documentation of all customer interactions.
- Ensure adherence to process guidelines, SLAs, and quality parameters.
- Collaborate with internal teams to improve overall customer experience.
- Stay updated on product knowledge, policies, and procedures.
- Demonstrate a positive attitude and maintain professionalism under pressure.
Why Join Us:
- Competitive salary with performance-based growth opportunities
- Exposure to global customer experience standards
- Supportive work culture with professional development programs
Responsibilities:
- Translate designs and wireframes into high-quality code.
- Ensure the best possible performance, quality, and responsiveness of the application.
- Identify and correct bottlenecks and fix bugs.
Requirements:
- Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes.
- Familiarity with RESTful APIs to connect Android applications to back-end services.
- Strong knowledge of Android UI design principles, patterns, and best practices
- Knowledge of the open-source Android ecosystem and the libraries available for common tasks
- Understanding of Google's Android design principles and interface guidelines
- Proficient understanding of code versioning tools, such as Git
- Familiarity with continuous integration & Application Bundle Kotlin, Java
- Key requirements: Android SDK, Android UI, Core Java, Gradle, Kotlin.
Relevant Experience: 5+ Years
Location: PAN India
Client: IBM
Our mission is to make e-commerce easy and accessible for everyone. We believe that all businesses should have the equal playing field in terms of resources to build and grow their online business. With our eCommerce tools and comprehensive platform, business owners can better understand, analyze and grow their business. Starting a business and making products is hard enough; selling products and growing the business shouldn’t be.
We’re a small team looking for passionate, execution-focused, self-starters to help us build the next generation eCommerce platform and equal the playing field for all. Our success depends on building teams who can challenge each other's assumptions with fresh perspectives. To that end, we don’t just accept differences – we celebrate them. If that sounds exciting to you, let’s talk!
We are expanding our Engineering team to India and building a stellar and diverse team composed of owners. We are looking for a backend engineer with a demonstrated track record of developing and maintaining production services, innovative thinking, and technical excellence. As a backend engineer, you will be responsible for building out the service layer that powers our frontend applications. You should have a solid understanding of software development lifecycle and software design principles. This is a great opportunity if you are looking for a huge impact at a small start-up with immense growth potential
What you will do?
Create technical plans of projects assigned to you.
Come up with well-structured solutions to ambiguous problems and implement them.
Ship high-quality, well-tested, secure, and maintainable backend code.
Provide technical direction on our various products and upcoming projects.
Champion reliability and quality by using best practices in software engineering and modular design.
Ensure all components are scalable, maintainable, and have in-built metrics instrumentation and monitoring
Deliver an exceptional user experience to our customers. Put the customer first and have quality in mind.
Own the full release cycle from development to deployment
What you will need?
3+ Years of experience as a software engineer working on backend applications.
Advanced knowledge of Python (preferably, the Django framework) and relational databases.
Experience with agile, test-driven development, continuous integration, and automated testing.
Experience with building, modifying, and extending API endpoints (REST or GraphQL) for data retrieval and persistence.
Experience with the full software development life cycle, including requirements collection, design, implementation, testing, and operational support.
Excellent verbal and written communication, teamwork, decision making and influencing skills.
Experience with scrum or other agile software development methodology.
Hustle. Thrives in an evolving, fast paced, ambiguous work environment
Bonus if you have
Experience working in the eCommerce domain.
Experience with AWS technologies like Elastic Beanstalk, Amplify, etc.
• Building the pipelines of Talent Pool - eg. Education institutes, allied industries, target companies and internal database.
• Working on TAT; closure of open positions within timelines.
• Maintaining the MIS for tracking the exact status of all open positions ensuring effective TAT Management and being focussed.
•Doing the screening of all the candidates thoroughly to ensure that the Best fit is identified for the role.
• Effective Coordination with the Functional Heads for the closure of the open positions.
• Ensuring that all the set criterias are met for the Role including the shortlisting parameters, relevant experience in handling the role as per job description.
• Keeping all the documentation in place for all the open positions namely - Manpower Requisition Form, Interview Aplication Form, Interview Assessment Form, Reference Check Form, Offer Letter Acceptance, Accepted Resignation from previous employer and confirmation of date of joining.
• Regular Warm up calls to the offered candidates to ensure the joining as agreed at the time of offer and avoid last minute offer drops.
• Issuing the appointment letter on the date of joining.
• Sharing and explaining the KRA to the new joiners. • Timely feedback of performance from the Reporting Manager of the new joiners in the initial months / probation period to ensure quality hiring.
FUNCTIONAL REQUIREMENTS
• Maintaining confidentiality
• Strong follow ups for the closure of open positions
• Right assessment skills to see through the candidate
• Ability to identify the strengths and limitations of the candidates
• Understanding of Company Business
• Understanding the job description and the soul of the job
Responsibilities
· Strengthen our relationship with clients and company partnerships
· Plan and execute campaigns and events
· Track, analyze and report the success of those campaigns and events
· Create online and offline marketing content
· Empower the sales team with marketing content and campaigns that help drive sales
Qualifications
· 2-3 years' of marketing experience
· BS/BA in Marketing or a related field of study
· Excellent writing and communication skills
Job description:
- Create product design on Salesforce.com platform using Classic Salesforce and Salesforce Lightning.
- Good knowledge of Salesforce Lightning Framework.
- Build-in Salesforce plug-ins and connectors.
- Build/Enable complex customizations of the CRM application and Deployment in the Salesforce ecosystem.
- Build the code according to the Technical Specifications, Detailed Design, Maintainability, and Coding and Efficiency standards.
- Must have Good Knowledge of Apex Triggers, Batch Classes, and Schedulers.
- Must have Experienced in Mentoring the People in Team.
- Integration using REST and SOAP.
- Experience in Salesforce Community cloud will be preferred.
- Experience in any Deployment Tool will be preferred.
- Client Communication capabilities will be appreciated
Candidate Profile:
- 2+ years minimum of relevant Salesforce development experience.
- At least one Salesforce certification in these areas - Architect / App Builder / Platform Developer.
- Should have good communication skills
- Should be B.E/B.Tech.
- Must be a Team Player.
- Should have leadership quality to manage a team, if required.
Perks/Benefits:
- Flexible working hours
- Openwork Culture
- Professional Development in the Workplace.
- Continuing education


