11+ PSTN Jobs in India

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)

Criteria

Mandatory

• Strong Product / Business Analytics profile, with a focus on B2C digital products
• Mandatory (Experience 1): Must have 4+ YOE in Consumer analytics for Product / Marketing / Business / Consumer behaviour Insights for B2C Products (Don't want logistics, operations or supply-chain focused analytics profiles, they should have worked on consumer-side analytics)
• Mandatory (Experience 2): Must have hands-on experience with data analysis tools (SQL, Excel, Python, R)
• Mandatory (Experience 3): Must have hands-on experience with KPI dashboard creation and visualization platforms (Tableau, Power BI among others) for effective reporting at various organizational levels
• Mandatory (Experience 4): Proven ability to translate and communicate complex analytical concepts into clear, actionable insights for non-technical stakeholders
• Mandatory (Company): B2C product companies offering digital / Tech products (such as Fintech, EdTech, AdTech, TravelTech)
• Mandatory (Exclusion): Avoid all e-commerce companies like Meesho, Amazon, Flipkart, Swiggy, as their scope of work is limited and irrelevant to their requirement.
• Note: Candidates must be from B2C tech product companies where the core user experience is driven by the technology itself—not from companies like Ola, Swiggy, Zepto, Zomato, Uber, where the user experience is shaped by a tangible service (e.g., food delivery or cab rides).
• Mandatory (Stability): Minimum 2 years per role required. One short stint is acceptable if there’s a long tenure (eg: 5+ years) in a prior role. Frequent job changes are straight rejects.
• Note: Total years of experience must not exceed 6 years.

Preferred Companies

Scaler, Unacademy, upGrad, BYJU’S, Vedantu, Khan Academy, Toppr, Practo, QISpine, Paytm, Paytm Money, Freo Money, Groww, Zerodha, CRED, Navi, PhonePe, Jupiter, Kuku FM, Hike Messenger, Pocket FM, Dailyhunt, Gaana, JioSaavn, MX Player, Hotstar, Gameskraft, Dream11, MPL, Nazara Technologies, WinZO

Job Title : Angular Developer

Location : Gurgaon (Work from Office)

Experience : 2+ Years

Employment Type : Full-time

Job Description :

We are seeking a highly skilled Angular Developer to join our team in Gurgaon.

Key Responsibilities :

• Develop, optimize, and maintain Angular-based applications.
• Work closely with backend developers to integrate RESTful APIs.
• Design and implement responsive UI components for web applications.
• Write clean, maintainable, and well-documented TypeScript and JavaScript code.
• Ensure cross-browser compatibility and optimize application performance.
• Conduct code reviews and mentor junior developers.
• Troubleshoot and resolve issues related to UI/UX performance.
• Stay updated with the latest trends and best practices in front-end development.

Required Skills & Qualifications :

• 2+ Years of experience in Angular (version 8+).
• Strong proficiency in TypeScript, JavaScript, HTML5, CSS3, and SCSS.
• Experience with RxJS, NgRx, or other state management libraries.
• Proficiency in consuming RESTful APIs and integrating front-end applications with backend services.
• Strong understanding of responsive web design and cross-browser compatibility.
• Experience with Unit Testing (Jasmine, Karma) is a plus.
• Knowledge of Agile methodologies and familiarity with tools like JIRA, Git, and CI/CD pipelines.
• Excellent problem-solving skills and the ability to work collaboratively in a team environment.

Preferred Skills :

• Familiarity with Progressive Web Apps (PWA).
• Experience in working with Material Design and third-party UI libraries.
• Exposure to Cloud technologies (AWS, Azure, or GCP) is a plus.
• Understanding of Micro Frontend architecture.

·      Knowledge of RIL Automation tools : Jio Track, Tableau

·      Preventive and Corrective Maintenance of Small Cell, Wifi, UBR + UBR (Air Fiber Back Haul), L2 Switch, OSP / Common

·      Preventive Maintenance of

o  IBS (Indoor Small Cell/WiFi/UBR (P2P/P2MP)) : Battery & SMPS, Electrical Panel, Energy Readings of energy meters, Earthing & Power System, Alarm extension to NOC, Security Alarm System testing.

o  Small Cell / L2 Switch / UBR All Type / WiFi : Power/CIPRI cable, GPS Connector, Antenna & LOS alignment,  etc

o  SMPS Maintenance : Rectifier Ventilation cleaning, LVD/BLVD setting check, Check All Parameters visible on NOC, Hardware Replacement - Rectifier, Controller, Communication

o  Battery Maintenance : Battery Discharge test, Voltage & abnormal temperature, Earthing & Power connection.

o  Earthing Maintenance : Earth pit Measurement and Maintenance, Record Voltage between Neutral & Earthing, Check earthing bonding at all points at site.

o  Overall hygiene of site

·      Replacing Faulty cards with Healthy Spares at site - Bring faulty Module from Site to CMP .

·      Providing data for Consumption booking in SAP - Related tasks as instructed by NOC Engineers Small cells, WIFI, IP, SMPS, Battery, Earthing & UBR Maintenance.

·      Should be well versed with basic Microsoft Office.

Job Title: Senior iOS Software Developer

Location: Tardeo, Mumbai

Job Description: We are seeking a highly skilled and experienced Senior iOS Software Developer to join our dynamic team. The ideal candidate will be responsible for designing, developing, and maintaining high-quality iOS applications. You will collaborate closely with cross-functional teams, including product management, design, and backend engineering, to deliver innovative and user-friendly mobile experiences. As a senior developer, you will also mentor junior developers, contribute to architectural decisions, and ensure the scalability and performance of our mobile applications.

Key Responsibilities:

• Design and Development: Lead the design and development of complex iOS applications for a diverse range of verticals including Finance, retail and Healthcare from concept to release, ensuring a seamless user experience.
• Architecture: Make architectural decisions, design scalable solutions, and optimize performance across a range of iOS devices.
• Collaboration: Work closely with product managers, designers, and backend engineers to define, design, and ship new features.
• Code Quality: Write clean, maintainable, and efficient code following best practices for software development, including unit testing and continuous integration.
• Mentorship: Provide technical guidance and mentorship to junior developers, fostering a collaborative and learning-driven environment.
• Problem Solving: Identify and resolve performance issues, bugs, and other technical challenges, ensuring the stability and responsiveness of applications.
• Innovation: You , and actively contribute to the continuous improvement of our development processes.
• Documentation: Create and maintain technical documentation to support development processes, onboarding, and knowledge sharing.

Qualifications:

• Education: Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field, or equivalent experience.
• Experience: Minimum of 5 years of experience in iOS development with a strong portfolio of released applications that can be shared for review.
• Technical Skills:
• Proficiency in Swift and Objective-C.
• Solid understanding of object-oriented programming
• Knowledge of memory management and multi-threading
• Experience with embedded databases and other system data stores
• Strong understanding of iOS frameworks such as UIKit, Core Data, Core Animation, and Core Graphics.
• Good knowledge of performance limits and characteristics
• Good sense of UI design execution principles
• Experience with RESTful APIs, JSON, and third-party libraries to connect to backend services.
• Knowledge of mobile app architecture patterns such as MVC, MVVM, and VIPER.
• Experience with version control systems, preferably Git.
• Familiarity with continuous integration/continuous deployment (CI/CD) pipelines.
• Implementation of automated testing platforms and unit tests, benchmarking and optimization
• Understanding of Apple’s design principles and interface guidelines.
• Soft Skills:
• Excellent problem-solving skills and attention to detail.
• Strong communication and interpersonal skills.
• Ability to work both independently and collaboratively in a fast-paced environment.
• Leadership experience or potential to lead projects and teams.

Preferred Qualifications:

• Experience with modern iOS tools and frameworks such as SwiftUI and Combine.
• Knowledge of iOS accessibility features and best practices.
• Familiarity with y best practices.
• Experience with automated testing frameworks like XCTest.
• Contributions to open-source projects or active participation in the iOS developer community.

Job Types: Full-time, Permanent

Pay: ₹400,000.00 - ₹1,000,000.00 per year

Location Type:

• In-person

Schedule:

• Day shift

Ability to commute/relocate:

• Tardeo, Mumbai, Maharashtra: Reliably commute or planning to relocate before starting work (Required)

About Zest Network LLP

At Zest Network LLP, we run a portfolio of content-based online businesses where we take serious efforts to educate and inform our readers on various subjects.

*About the job*

Requirements: We are looking for an individual (1+ years experience) who is familiar with current SEO techniques and tools and has excellent analytical skills. If you have worked on any affiliate website or SaaS firm and have a strong understanding of SEO (both on-page and off-page), we have the right role for you for the long term!

*Key Responsibilities*

1. On-site content optimization (best practice for E-E-A-T, internal linking, titles, content audit & updating old content, CRO, Content gap analysis, Making Topical Maps, why not ranking analysis? etc.)

2. Site maintenance (redirects, broken links, site cleanup, duplicate content, etc.)

3. Strategize, plan, and coordinate link-building activities: Create link building content ideas, angles, and pitches & pitch and conduct SaaS link-building outreach

4. Monitor Google algorithm changes & implement on-site and content changes to adapt to the changing landscape

5. Identify new SEO growth opportunities with technical audits, data/traffic analysis, and competitive research.

6. Digital PR research

We expect you to manage your time and responsibilities with minimal oversight. We aren't interested in babysitting you that’s why we need a proactive person. We're interested in fostering your success and the success of the team.

*Who can apply*

1. Candidates having experience working with SaaS firms will be given a preference

2. Aware of all the nuances of Technical and On-Page SEO techniques including data analysis using Google Analytics and Search console

3. Knowledge of using Google Analytics, Google Webmaster Tools, Ahrefs (or similar backlink tools), crawling tools (Screaming Frog, DeepCrawl), Google Search Console, keyword tools (Google, WordTracker, Keyword Discovery, Semrush, buzzsumo, Moz), etc.

4. Strong sense of ownership, the inclination for action, urgency, and drive

5. 1-2 years of SEO experience

6. Holistic SEO Knowledge (technical, on-page, content, link building, digital PR)

7. Candidates having experience working with SaaS firms will be given preference

We are looking for a Technical Architect to join our Team in Bangalore. This is hands-on position. Your focus will be as a ‘force-multiplier’, coaching, mentoring and acting as an escalation point for the Engineers within your area.

This is a role with a lot of variety, ranging from designing architecture, pair programming, helping Engineers debug an issue to working with Product Managers on how to achieve a product requirement.

You will work closely with other Lead Engineers and the Engineering Director to set out the roadmaps across our products to align with the architectural and technology vision. We expect you to be opinionated and bring your passion to helping us continually innovate.

You will work closely with and interact with stakeholders inside and outside of IT, contributing directly to how the wider IT team works together and makes the best use of technology.

We use: Angular/React/NextJS, TypeScript for our Front End Technologies

We use: .NET Core, Microservices, REST, SQL/Cosmos DB for our Back End Technologies

Cloud: Extensive exposure to cloud-based development, preferably Azure
Experience: 10+ years of experience in a similar senior position

We offer flexible working, not just through these uncertain times but indefinitely. We are based in Bangalore. Travel within India and abroad may be necessary and flexibility is required to meet the demands of the post, including occasional weekend work. The post holder may be reasonably required to work from any INTO or Partner location at any time.

What you need to have:

We are a growth-oriented, dynamic, multi-national startup, so those that are looking for that startup excitement, dynamics, and buzz are here at the right place. Read on -

FrontM (http://www.frontm.com/" target="_blank">www.frontm.com) is an edge AI company with a platform that is redefining how businesses and people in remote and isolated environments (maritime, aviation, mining....) collaborate and drive smart decisions.

Successful candidate will lead the back end architecture working alongside VP of delivery, CTO and CEO

The problem you will be working on:

- Take ownership of AWS cloud infrastructure

- Overlook tech ops with hands-on CI/CD and administration

- Develop Node.js Java and backend system procedures for stability, scale and performance

- Understand FrontM platform roadmap and contribute to planning strategic and tactical capabilities

- Integrate APIs and abstractions for complex requirements

Who you are:

- You are an experienced Cloud Architect and back end developer

- You have experience creating AWS Serverless Lambdas EC2 MongoDB backends

- You have extensive CI/CD and DevOps experience

- You can take ownership of continuous server uptime, maintenance, stability and performance

- You can lead a team of backend developers and architects

- You are a die-hard problem solver and never-say-no person

- You have 10+ years experience

- You are very sound in English language

- You have the ability to initiate and lead teams working with senior management

Additional benefits

- Generous pay package, flexible for the right candidate

- Career development and growth planning

- Entrepreneurial environment that nurtures and promotes innovation

- Multi-national team with an enjoyable culture

We'd love to talk to you if you find this interesting and like to join in on our exciting journey