11+ PSTN Jobs in Delhi, NCR and Gurgaon | PSTN Job openings in Delhi, NCR and Gurgaon

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)

About Voiceoc

Voiceoc is a Delhi based health tech startup which was started with a vision to help healthcare companies round the globe by leveraging Voice & Text AI. We started our operations in August 2020 and today, the leading healthcare companies of US, India, Middle East & Africa leverage Voiceoc as a channel to communicate with thousands of patients on a daily basis.

Website: https://www.voiceoc.com/

Responsibilities Include (but not limited to):

We’re looking for a hands-on Chief Technology Officer (CTO) to lead all technology initiatives for Voiceoc’s US business.

This role is ideal for someone who combines strong engineering leadership with deep AI product-building experience — someone who can code, lead, and innovate at the same time.

The CTO will manage the engineering team, guide AI development, interface with clients for technical requirements, and ensure scalable, reliable delivery of all Voiceoc platforms.

Technical Leadership

• Own end-to-end architecture, development, and deployment of Voiceoc’s AI-driven Voice & Text platforms.
• Work closely with the Founder to define the technology roadmap, ensuring alignment with business priorities and client needs.
• Oversee AI/ML feature development — including LLM integrations, automation workflows, and backend systems.
• Ensure system scalability, data security, uptime, and performance across all active deployments (US Projects).
• Collaborate with the AI/ML engineers to guide RAG pipelines, voicebot logic, and LLM prompt optimization.

Hands-On Contribution

• Actively contribute to the core codebase (preferably Python/FastAPI/Node).
• Lead by example in code reviews, architecture design, and debugging.
• Experiment with LLM frameworks (OpenAI, Gemini, Mistral, etc.) and explore their applications in healthcare automation.

Product & Delivery Management

• Translate client requirements into clear technical specifications and deliverables.
• Oversee product versioning, release management, QA, and DevOps pipelines.
• Collaborate with client success and operations teams to handle technical escalations, performance issues, and integration requests.
• Drive AI feature innovation — identify opportunities for automation, personalization, and predictive insights.

Team Management

• Manage and mentor an 8–10 member engineering team.
• Conduct weekly sprint reviews, define coding standards, and ensure timely, high-quality delivery.
• Hire and train new engineers to expand Voiceoc’s technical capability.
• Foster a culture of accountability, speed, and innovation.

Client-Facing & Operational Ownership

• Join client calls (US-based hospitals) to understand technical requirements or resolve issues directly.
• Collaborate with the founder on technical presentations and proof-of-concept discussions.
• Handle A–Z of tech operations for the US business — infrastructure, integrations, uptime, and client satisfaction.

Technical Requirements

Must-Have:

• 5-7 years of experience in software engineering with at least 2+ years in a leadership capacity.
• Strong proficiency in Python (FastAPI, Flask, or Django).
• Experience integrating OpenAI / Gemini / Mistral / Whisper / LangChain.
• Solid experience with AI/ML model integration, LLMs, and RAG pipelines.
• Proven expertise in cloud deployment (AWS / GCP), Docker, and CI/CD.
• Strong understanding of backend architecture, API integrations, and system design.
• Experience building scalable, production-grade SaaS or conversational AI systems.
• Excellent communication and leadership skills — capable of interfacing with both engineers and clients.

Good to Have (Optional):

• Familiarity with telephony & voice tech stacks (Twilio, Exotel, Asterisk etc.).

What We Offer

• Opportunity to lead the entire technology vertical for a growing global healthtech startup.
• Direct collaboration with the Founder/CEO on strategy and innovation.
• Competitive compensation — salary + meaningful equity stake.
• Dynamic and fast-paced work culture with tangible impact on global healthcare.

Other Details

• Work Mode: Hybrid - Noida (Office) + Home
• Work Timing: US Hours

Job Responsibility:

• Manage digital advertising campaign activities: Setup, traffic, manage and optimize online ad campaigns, campaign modification as per request, campaign scheduling, targeting and monitoring its performance.
• Day to day campaign optimization by focusing on conversion and other performance metrics.
• Reporting of the campaign performance metrics on timely basis to various stakeholders.
• Sustaining present clients for further business opportunities.
• Shall take lead in achieving monthly delivery target on existing publishers
• Strategizing execution of different campaigns across various verticals.
• Interaction with agencies/ad networks to plan and run campaigns.

Job Requirements:

• Prior experience of managing CPL/CPI/CPR/CPT/CPS Campaign Delivery & Optimization in US/RU/CA/UK/UAE/SA/JP/KR preferred.
• Working knowledge of tracking platform (hasoffers, affise etc)
• Excellent English Communications skills – written & verbal.

As a Inhouse lawyer, you will be legal representative of the company and will be providing legal advice and guidance on all kinds of legal matters

• Preparing legal agreements, contracts and any such legal documents
• Ensuring compliance of laws and regulations across all the operations in the organization
• Legally advise the management on all litigation matters and also will be managing litigation to achieve the best possible outcomes
• Handling and guiding the legal team
• Handling all the activities related to Contract Management which includes advising the management on all existing & New laws
• Providing necessary advice to various business teams regarding legal and safety laws
• Drafting and vetting of the terms and conditions as well as the agreements related to, but not limited to, the company’s website, advertising, promotional activities, technology service etc.
• Searching, tracking and sending notice to brands infringing the company’s trademark (Domestic and Overseas)

• Developing analytical solutions to solve problem, identifying internal and external data, using analytical techniques including use of statistical techniques to analyse the problem, distilling information into actionable insights
• Participating in key decision-making forums and communicating key insights in an effective and influential manner
• Partnering with key stakeholders prioritizing analytics roadmap, demonstrating sense of urgency to identify and acting on opportunity and driving transparency on the work roadmap
• Monitoring and measuring launched initiatives [A/B testing] and feed learnings back into development process
• Managing multiple project priorities, deadlines and deliverables including rapid response as well as strategic priorities
• Identifying the appropriate data sources and building data assets to be able to enrich data and expand analytics capabilities
• Converting frequently asked questions into reports/ diagnostic tools

What you need to have:

• Graduate/ Post-Graduate Degree in Engineering, Mathematics, Statistics
• 8+ year of well-rounded analytics experience, preferably in internet B2C- Retail
• Strong exposure to data, analytical framework, hypothesis-based problem solving and scaling analytics
• Ability to work independently and drive your own projects
• Strong problem-solving skills
• Ability to translate business problem to analytics
• Expertise in data wrangling using SQL, exposure to Python is a plus
• Hands-on experience in using excel and power point
• Excellent communication skills
• Entrepreneurial mind-set, strong interpersonal skills
• Strong collaboration skills - inter and intra team    

Hiring for UK Education Campaign -

Interview process Remote.

Key Points for Job Seekers (Why should you join CogentHub)

Lead Generation;

No Sales;

Fixed Salary Date;

Home Drop facility (Pickup as per COVID Situation).

Paid Training Sessions;

Fixed shift timings / No stretch;

Fixed 6 days working

Daily & Monthly Incentives;

Best Pay package in the Industry.

Required:

Excellent English Communication Skills

Basic Computer Knowledge

Full Time Job in Voice Process

Preferred Experience 6 months to 1 Year in any International BPO domain

Job Descriptions:

• You have to deal with UK B2C customers for Lead Generation process.  

Facilities:
Fixed Office Timings - (3:00pm- 12.00 am midnight)

Attractive Salary Packages (Fixed Salary)

Salary on Time

Free Home Drop Facility (as per the Transport Boundary)
Huge  Daily & Monthly Incentives.
6 Days Working
 

Our Address:

Cogent Hub Private Limited

Udyog Vihar, Gurugram - 122016