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)
Develop and implement quality standards
• Develop and implement quality control systems
• Monitor and analyze quality performance metrics
• Inspect and test materials, equipment, processes, and products to ensure quality specifications are met
• Collaborate with operations managers to design and implement controls and improvements
• Ensure workflows, processes, and products comply with safety and regulatory standards
• Investigate and troubleshoot product or production issues
• Develop corrective actions, preventive measures, and continuous improvement solutions
• Review codes, specifications, technical documents, and processes to maintain quality consistency
Wissen Technology is hiring for React Developers!
Required Experience & Qualifications:
- 2+ years of Javascript or Typescript experience
- 2+ years of experience with React.js, HTML, CSS, Javascript
- Experience of working with MongoDB.
- Experience of working with libraries like Mobx, React Native Paper, React Navigation. proper understanding of the component lifecycle, what happens behind the scenes when state changes occur, etc.
About Wissen Technology:
Website : www.wissen.com
Wissen Thought leadership : https://www.wissen.com/articles/
LinkedIn: https://www.linkedin.com/company/wissen-technology
About the Role
The Senior Software Development Engineer in Test (SDET) is a core member of the development
team, participating across the full development lifecycle. This role translates business and functional
requirements into deliverables, designs and maintains test automation frameworks, and ensures
automated tests are integrated into the continuous delivery pipeline. The Sr. SDET develops high-
quality, maintainable, and performant test code, consults on test automation strategy, and serves as
a leader and coach across teams to influence quality practices and standards
What You’ll Do
Design, develop, and maintain automation systems and tools to be used by development
and test engineers.
Analyze code coverage using industry-standard tools (e.g., SonarQube).
Oversee integration of automated tests into the Continuous Delivery pipeline.
Design and author test cases for unit, functional, performance, scalability, and durability
testing.
Manage and groom automated and manual test suites for balanced coverage and fast
feedback cycles.
Work with IT partner teams to provide, create, or modify test data through repeatable,
automated processes.
Provide internal training on testing skills and tools; contribute to the Test Community of
Practice to evolve testing practices and standards.
Lead defect management and interface with external teams on test strategy and execution.
Ensure requirements and/or user stories are testable and provide estimates for user stories
and tasks.
Coordinate with Dev and Ops regarding testing practices to ensure quality thresholds are
met.
Contribute to design and code reviews.
Perform other duties and projects as assigned by business management.
What You’ll Bring (Must have skills)
Bachelor’s degree in software engineering, Computer Science, or related fields.
4–7 years of experience using three or more development languages (e.g., C#, Java,
JavaScript).
Any Monitoring or Observability Tools - Splunk, AppDynamics, Dynatrace, Prometheus,
Grafana, SolarWinds.
4–7 years of experience with three or more automation tools (e.g., Selenium, TestNG,
Appium, Sauce Labs, Rest Assured, Postman, Cucumber, Jasmine, Protractor).
4–7 years of experience with testing methodologies such as Test-Driven Development (TDD)
and Behavior Driven Development (BDD), API Testing, Acceptance Testing, end to end
testing.
4–7 years of experience using issue-tracking software and Agile project management
systems (JIRA)
Proficiency with SQL (querying, joins, stored procedures), Knowledge of NoSQL databases
(MongoDB, DynamoDB, etc.) – Any database
SEO Team Lead Job Description
- Perform keyword research
- Develop keyword plans through conducting keyword research on a regular basis to generate content ideas and optimise existing content
- Plan and oversee the entire website architecture, restructuring page hierarchy where necessary
- Optimise web pages such as the homepage, landing pages, blog posts, product pages (on-page SEO) in terms of improving content quality, keyword optimization, and user experience to boost organic search rankings
- Conduct regular technical SEO audits and work with the web development team to fix technical website issues (e.g. slow page load speeds, page crawl errors, and duplicate content) that may negatively impact organic search rankings
- Conduct full-scale SEO audit (technical, on-page, and off-page) on both mobile and desktop website versions to provide recommendations for improvement in key areas such as keyword optimization on meta tags and images, content quality, and link building
- Implement local and international SEO techniques across local (Google My Business listings) and international websites
- Measure key SEO metrics such as organic traffic, ranking positions, domain authority and provide recommendations for improvement
- Perform competitive analysis to benchmark current SEO performance against competitors and devise strategies to surpass competitors
- Keep up to date with the latest SEO trends, search algorithm updates, and new SEO tools and best practices
- At least 1 years of experience as SEO team lead or similar role
- Digital Marketing Agencies experience would be preferred
Why should you join us:
- · Fixed working timings- 5 days working
- · Attractive Incentives
- · Young & Vibrant work culture
- Job Location: Block A-128, Sector-63, Noida
- Salary Package: Depends on skills
- Working Days: Monday to Friday
Mandatory Skills
- Very strong hands on experience of web technologies: - HTML JavaScript, HTML5/CSS3,
- 3 + years of UI Development Experience
- Has implemented coding patterns and built UIframework
- Cross browsers support/experience and knowledge of DOM manipulation on different browsers
- Performance enhancements on web page load and execution
- Experience with tools like Firebug.
- Basics knowledge on Ajax, jsp etc.
- Experience in Adobe Photoshop & Adobe Dreamweaver to mock up UIelements.
- Knowledge in any prototyping tools.
- Use responsive web design to create applications that automatically conform to multiple screen sizes/devices.
- Conduct usability testing to identify and fix UIissues
- Familiar with popular UIlibraries like Sencha, AngularJS, ExtJS & JQuery
- Collaborate with business analyst to discuss user interface requirements and brainstorm UIideas.
Job roles and Responsibilities:
- Ability to develop UIframework on JavaScript and CSS which confines to requirement of Solutions.
- Ability to work on cross browser compatibility
- Develop reusable components.
- Work closely with other developers in the team
Experience: 3-5 Years 1 candidate & 1-3 Years 2 candidate
Skills:
Core JAVA(Native), Core Kotlin, Sqlite, MySQL, XML
Location : Ahmedabad
WORK FROM OFFICE ONLY
- We are looking for a Video Editor who is creative and enthusiastic about creating high-quality, engaging content.
- Use creative video editing techniques to produce innovative content for Daily social media posting, Advertising/Marketing, Awareness campaigns etc.
- Experience in Adobe After Effects, Adobe Premiere Pro, Adobe Photoshop, Adobe Illustrator & Audacity is a must.
- Post-production and editing of all photography and videography.
- Develop graphical animations, GIFs, videos, Typography, and integrate voice-overs.
- Ability to think up creative ideas to promote a brand's products in innovative ways.
- Excellent creative skills and a great eye for detail.
● Good working knowledge on Core PHP
● Strong knowledge of MVC Framework and knowledge of Laravel.
● Good working knowledge of JavaScript & JS frameworks, preferably jQuery
● Strong knowledge of MySQL databases & OOPS concepts.
● Strong knowledge of ORM and query builder.
● Knowledge of queue scheduling and task scheduling.
● Strong knowledge of Artisan commands.
● Hands on experience of service providers and create new service providers in the
application when needed.
● Integration of user-facing elements developed by front-end developers.
● Build efficient, testable, and reusable modules.
● Solve complex performance problems and architectural challenges.
● Write well designed, testable, efficient code by using best software development
practices.
● Integrate data from various back-end services and databases.
● Create and maintain software documentation.
● Knowledge of Rest APIs.
● Knowledge of the payment gateway integration (PayPal, PayUMoney, CC Avenue etc.)
● Good knowledge of wallet integration (Paytm, Phone-Pe, Amazon) etc.
● Proficient understanding of code versioning tools, such as Git is mandatory
● Ability to debug the code and resolve the issues.
Key Responsibilities:
Build reusable code and libraries for future use
Participate in the full lifecycle of the projects.
Optimize application for maximum speed and scalability
Ability to work independently and within a team environment
Assist in troubleshooting any production issues.
Working within an existing code base and also writing code from scratch.
Good team player -collaborate with other team members and stakeholders.
Commitment to meet corporate goals and tight deadlines.
Key Skills: HTML, CSS, Bootstrap, jQuery, JavaScript, PHP, Core PHP, knowledge of MVC
framework, database, MySQL, Laravel Framework, Rest APIs, 3rd party tool integration, OOPs
programing concept.
What You Will Be Doing:
- Create highly responsive B2C web-app using a wide range of open source frontend and backend technology.
- Create single page applications using wide range of javascript & cutting edge libraries/frameworks.
- Responsible for the full lifecycle of a project, including development, unit testing, system testing and change management.
- Research technical issues and provides recommendations to enhance JavaScript products.
- Working with multiple projects.
What we are looking for:
- Bachelor’s degree in Computer Science or equivalent preferably from IIT,NIT & other premier institutes.
- Rockstar JavaScript developer, who appreciates the intricacies of JS as well as passionate to follow new trends in JS.
- Experience with product companies.
- 4-9 yrs of software development on advanced JavaScript stack (Native JavaScript, Asynchronous Request Handling, AJAX, HTML5, CSS3, etc).
- In-depth knowledge in ReactJS & NodeJS
- Proficiency in any other modern web frameworks will be a plus.
- A solid knowledge of advanced data structures & algorithms.
- Proficient in Computer Science fundamentals & object-oriented design.
- Solid understanding of cross-browser compatibility issues and ways to tackle those.
- Must possess a track record of building Single Page responsive UI.
- Experience with Databases such as NoSQL and any RDBMS will be a plus.
- Experience with transport protocols such as TCP, HTTP & WebSocket.
- Expressing and appreciating design patterns is a real addition.
- Critical of coding practices and development methodologies





