11+ PSTN Jobs in India
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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)
Job Summary
We are seeking an experienced Java Full Stack Developer with 8+ years of hands-on experience in designing, developing, and maintaining scalable web applications. The ideal candidate should have strong expertise in Java (Spring Boot) on the backend and React.js on the frontend, along with experience in REST APIs, Microservices architecture, and cloud-based deployments.
Key Responsibilities
- Design, develop, and maintain scalable full-stack applications using Java, Spring Boot, and React.js
- Develop RESTful APIs and Microservices-based applications
- Collaborate with cross-functional teams including UI/UX, DevOps, QA, and Product teams
- Write clean, efficient, and reusable code following best practices
- Perform code reviews and mentor junior developers
- Optimize applications for performance and scalability
- Participate in architectural discussions and technical decision-making
- Ensure application security, data protection, and compliance standards
- Troubleshoot, debug, and upgrade existing systems
Required Skills:
- 7+ years of experience in Full Stack development
- Strong hands-on expertise in Java (8/11/17)
- Proficiency in Spring Boot, Spring MVC, Spring Security
- Experience in Microservices architecture and RESTful API development
- Strong knowledge of React.js, JavaScript (ES6+), HTML5, CSS3
- Experience with state management tools (Redux/Context API)
- Hands-on experience with Hibernate/JPA
- Good understanding of SQL databases (MySQL/PostgreSQL/Oracle)
- Experience with Git, Maven/Gradle, and CI/CD pipelines
- Working knowledge of Docker/Kubernetes
- Exposure to Cloud platforms (AWS/Azure/GCP) preferred
- Strong problem-solving and analytical skills
Job Title: Business Development Manager
Location: Vashi, Navi Mumbai
Company: Grexa AI Pvt Ltd
About Grexa
Grexa is a new-age, venture-funded AI startup founded by four seasoned entrepreneurs and former CXOs of Testbook.com - Ashutosh Kumar, Narendra Agrawal, Ayush Varshney, and Arpit Oswal. Together, they built Testbook from the ground up into a $30Mn ARR business with 1,000+ employees, which was later successfully acquired by a leading edtech company. The founding team comprises IIT Bombay and IIT Kanpur alumni, each with over 15 years of experience in building high-growth digital businesses powered by cutting-edge AI.
At Grexa, we're on a mission to build the world’s first Marketing AI Agent for small businesses - a fully autonomous system that drives real revenue growth by automating and optimizing every aspect of digital marketing. Our goal is to make powerful digital marketing accessible to every small business on the planet.
We’re assembling a rockstar team to create one of the fastest-growing AI startups from India, poised to disrupt the global digital marketing space.
If you're excited about solving meaningful problems and building transformative AI products - we’d love to hear from you. Apply now and be part of this journey.
Role Overview
We are looking for a Business Development Manager with strong expertise in sales, strategy, digital marketing, and team leadership, particularly in the local business technology solutions space.
Key Responsibilities
- Lead sales operations, including lead nurturing, consultation pitching, and deal closures.
- Develop and execute smart sales strategies to deliver high conversion numbers.
- Analyze market trends, competitor offerings, and customer pain points to refine sales tactics.
- Work closely with the marketing team to optimize lead conversion through targeted campaigns.
- Conduct pricing and value comparisons to demonstrate ROI to clients.
- Oversee the entire sales pipeline, ensuring smooth follow-ups and post-sale satisfaction.
- Track performance metrics, prepare sales reports, and implement strategies for continuous improvement.
Requirements
- Proven 4+ years of experience in business development, sales and digital marketing (preferably in local business tech solutions).
- Strong expertise in sales pitch, sales strategy, digital marketing, and team leadership.
- Excellent communication, negotiation, and presentation skills.
- Comfortable with using and selling technology platform solutions
- Self-motivated, target-driven, and adaptable to a fast-paced environment.
Nice to Have
- Experience in selling digital marketing services or SaaS products to local businesses.
- Understanding of SEO and Local SEO, online reputation management, and Google and Meta Ads.
- Experience in handling high-ticket sales and negotiating long-term contracts.
Job Title: SAP Business Development Manager
Overview
The SAP Business Development Manager is responsible for driving business growth by identifying new opportunities, expanding customer relationships, and promoting SAP solutions and services. This role requires strong industry insight, SAP product knowledge, and the ability to build strategic partnerships that support revenue goals.
Key Responsibilities
1. Business Development & Sales Growth
- Identify, qualify, and pursue new business opportunities for SAP solutions (S/4HANA, SAP CX, SAP Business Technology Platform, SAP SuccessFactors, SAP Ariba, etc.).
- Develop and execute business development strategies for assigned territories or verticals.
- Have good experience in cross sell and up sell from the existing SAP customer
- Have good experience T&M and AMS support Sales
- Drive the full sales cycle—from lead generation to deal closure.
- Achieve quarterly and annual revenue targets.
2. Client Engagement
- Build and maintain strong relationships with C-level executives, decision-makers, and influencers.
- Conduct discovery meetings to understand client challenges and business goals.
- Present SAP solution portfolios and value propositions tailored to client needs.
- Oversee proposal creation, RFP responses, and contract negotiations.
3. Strategic Planning & Market Intelligence
- Analyze market trends, competitor activities, and customer needs.
- Work with leadership to define go-to-market strategies.
- Identify opportunities for cross-selling and upselling SAP services.
4. Collaboration & Coordination
- Work closely with SAP pre-sales teams, solution architects, and delivery teams to build compelling solutions.
- Engage with SAP Sales team for leads
- Coordinate with marketing teams on campaigns, events, and lead-generation activities.
- Ensure smooth handover to project teams after deal closure.
5. Account Management
- Manage key accounts and develop long-term relationships.
- Monitor client satisfaction and identify areas to expand engagement.
- Act as a strategic advisor to clients regarding SAP roadmap and digital transformation.
Qualifications
Required
- MBA, BTech or related field.
- Min 3 Years SAP solution sales and 3-5 years of experience in Business development.
- Strong understanding of SAP products, modules, and services.
- Knowledge of SAP licensing, cloud offerings, and implementation methodologies.
- Proven track record of achieving sales targets in enterprise or consulting environments.
- Excellent communication, negotiation, and presentation skills.
Preferred
- Experience working with SAP partner Man or within the SAP ecosystem.
- Experience in middle east market (Saudi, Dubai, Qatar, Kuwait, Oman)
- MBA or advanced degree.
- Certifications in SAP or sales methodologies (e.g., Solution Selling, Miller Heiman).
Role Type
- Full-time
- Department: Business Development / Sales
- Location: Remote, India
- Travel: As required for client meetings or events
Experience: 2-3 years of experience in Python, NodeJS, MySQL, ReactJS, NextJS technologies.
About: Fletch is a U.S. based technology firm building an open insurance ecosystem
connecting consumer apps to insurance providers. The team has previously built global
payment infrastructure at scale (processing $billions in transactions) and founded enterprise
technology companies with solutions in commercial use by over 100 corporates.
Fletch has seen rapid traction (existing partnerships with leading U.S. insurance providers)
and is backed by top global fintech VCs and angels. The team is now looking to scale
further hiring & expansion.
Location: Remote
Responsibilities:
-Developing complex web application features using Python, NodeJS, ReactJS, JS, MySQL, TypeScript, NextJS.
-Writing reusable, testable, and efficient code
-Implementation of low-latency, high-availability, and performant applications
-Integration of user-facing elements developed by front-end developers with server side logic
-Translating designs and wireframes into high quality code
-Optimising components for maximum performance across a vast array of web-capable devices and browsers.
Skills:
-Very strong in programming, DataStructures, Algos and complex tech concepts
-Strong in developing no-code platforms and configurable applications.
-Strong experience in developing apps using React hooks, state, DOM manipulation etc.,
-Strong experience in developing BE code using Python, Node, MySQL.
-Strong expertise working with RESTful APIs
-Strong experience in NextJS
Job Description:
We are seeking an experienced Full Stack React Developer who is passionate about building and maintaining scalable mobile and web applications. The ideal candidate will have a strong background in both front-end and back-end development, with expertise in React for web and React Native for mobile development. You will work closely with our founder to implement new features, optimize performance, and ensure the highest quality user experience across both platforms.
Key Responsibilities:
• Develop and maintain the front-end of our app using React for web and React Native for mobile.
• Build and manage the back-end services and APIs to support both the mobile and web apps, including database design and integration.
• Implement responsive design principles to ensure the app works seamlessly across various devices and screen sizes.
• Optimize the app for maximum speed and scalability.
• Integrate third-party services and APIs as needed.
• Troubleshoot and debug issues to ensure the apps run smoothly on both web and mobile platforms.
Requirements:
• Proven experience as a Full Stack Developer or similar role with a focus on React and React Native.
• Strong proficiency in JavaScript, HTML, and CSS.
• Experience with back-end frameworks (Node.js, Express, Firebase etc.).
• Proficiency in database design and management (Firestore, SQL, NoSQL).
• Experience with RESTful APIs and third-party integrations.
• Familiarity with version control systems (Git).
• Knowledge of responsive design principles and mobile-first development.
• Excellent problem-solving skills and attention to detail.
• Strong communication skills and the ability to work collaboratively in a remote team environment.
Preferred Qualifications:
• Experience in building and scaling e-commerce or rental platforms.
• Familiarity with cloud services (AWS, Google Cloud, etc.).
• Understanding of CI/CD pipelines and automated testing.
• Knowledge of UI/UX design principles.
JD:
- 12 + Yrs of total experience along with knowledge and hands-on experience in MERN (Mongo db, Express js, React js and Node js) stack.
- Experience to unblocking and helping technical teams.
- Experience in application architecture design and development
- Expertise in designing scalable applications.
- Experience in working on deployments, cloud infra and CI/CD.
- Full stack development experience
- Hands on experience in MERN stack.
Bachelor's or Master's degree in Computer Science, Information Systems,
or equivalent.
EXPERIENCE – 2 to 5 years
CTC - UPTO 5.4L P.A.
JOB DESCRIPTION
We are looking for a backend developer who will be responsible for designing,
implementing, and supporting a distributed blockchain-based network. Your primary
responsibility will be analysing requirements, designing Blockchain technology around
a certain business model, and the building and launching of a blockchain network. You
will be asked to work on various blockchain technologies like Ethereum (Layer 1 & 2,
i.e Binance Smart Chain ).
● Analytical, results-driven Back-end Developer who will work with team members
to troubleshoot and improve current back-end applications and processes.
Focused on building a better, more efficient program and creating a better
end-user experience.
● Work closely with Frontend developers to integrate new web features into
our application
● Strong understanding of the web development cycle and programming
techniques and tools.
● Strong communication and presentation skills
● Ability to work in a fast-paced environment.
SKILLSET
● Experience with Smart contract development tools
● Strong background in Javascript, Python & Node JS, SQL
● Build new features and products using modern backend tools (Node.js, Mongo,
SQL, GraphQL)
● Hands-on technical exposure in implementing Blockchain technologies
(Ethereum and Hyperledger Familiarity with Hyperledger Fabric and Solidity )
Understanding of Distributed Ledger technology, Blockchain ecosystem and
structure.
● Experience working in an Agile and DevOps environment.
● Knowledge on Mining, Hashing, Elliptic Curve Cryptography(ECC) and P2P
networking Extensive experience with progression of major projects from the
planning stage through to implementation and completion Effective
communicator to all stakeholders and management during project consulting
and analysis. Strong Software development background.
● Experience on Smart contract and Solidity, development tools for Ethereum
(testrpc, geth, Web3, eth_lightwallet, etc.
● Experience in writing smart contracts.
● Good understanding of NFTs and tokens.
● Experience in wallet integration like MetaMask and Coinbase Wallet.
Experience working with decentralized application protocols like DeFi..
Working knowledge of at least one of the Blockchain frameworks such
as Hyperledger Fabric, R3 Corda, Ethereum (Solidity).
● Experience working with large code-bases.
● Proficiency in one or more of the following languages: C++, Go, Solidity,
Rust, Node.js, React.js.
● Strong knowledge of Algorithms and Data Structures.
● Familiarity with Cryptography.
● Familiarity with P2P networks
● Strong knowledge of bitcoin-like blockchains.
● Strong knowledge of concurrency and writing efficient and safe multithreaded
code
● Familiarity with code versioning tools such as Git
Rebotica | Parents trust us the future of their children
Rebotica is the online school of the future, founded in 2017 and operating in countries such as Russia, USA, Canada, Germany, Brazil and India.
At Rebotica, children learn not just coding, design, management skills, but become highly sought-after specialists and earn their first money in IT professions!
All classes are online, 1:1 and bring together the best teachers and children.
About the role
We are looking for part-time coding instructors to teach computer coding classes to school students (3-15 years old). Classes are taught online, so you will be working remotely from your home and utilizing a virtual classroom environment.
We provide a structured curriculum, teaching platform, and instruction materials. The primary role of a Coding Educator is to deliver the curriculum in an engaging way and ultimately be responsible for student retention and parent satisfaction.
Responsibilities
– Deliver the curriculum in a fun and engaging way
– Provide feedback for curriculum improvement
– Engage with parents / students as needed
– Positively advocate for the school and the program
Requirements
– PC or a LAPTOP with microphone headset and high-speed internet access
– A quiet workspace free of distractions
– A technical degree related to computers equivalent to BE, Btech, ME, MTech, MCA, BCA, BSc, MSc, etc.






