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)

We are looking for an experienced Java Support Engineer with 4+ years of hands-on experience in supporting and maintaining Java/Spring Boot-based applications. The ideal candidate will be responsible for production support, debugging issues, and ensuring smooth application performance.

Key Responsibilities:

• Provide L2/L3 support for Java/Spring Boot applications in production and non-production environments.
• Perform incident analysis, root cause identification, and apply quick fixes or permanent solutions.
• Handle application deployments, environment monitoring, and performance tuning.
• Collaborate with development, DevOps, and database teams to resolve technical issues.
• Write and debug SQL queries, manage data fixes, and ensure database integrity.
• Use monitoring tools like Splunk, Kibana, or ELK Stack for issue investigation.
• Prepare documentation for recurring issues and maintain knowledge base.

Technical Skills:

• Strong in Core Java, Spring Boot, RESTful APIs
• Good knowledge of SQL / PL-SQL (Oracle / MySQL / PostgreSQL)
• Familiar with Linux/Unix commands and Shell scripting
• Exposure to microservices architecture and CI/CD tools (Jenkins, Maven)
• Hands-on experience with application monitoring and log analysis tools
• Knowledge of cloud (AWS / Azure) environments is a plus

Soft Skills:

• Strong problem-solving and analytical mindset
• Good communication and teamwork skills
• Ability to work under pressure and handle on-call support if required

Job Title: CRM/ERP Developer

Job Summary:

We are looking for a talented CRM/ERP Developer to join our team and help us build and customize CRM (Customer Relationship Management) and ERP (Enterprise Resource Planning) solutions. The ideal candidate will have a strong background in software development and experience working with CRM and ERP systems. You will be responsible for designing, developing, testing, and deploying custom modules, integrations, and enhancements to meet the specific needs of our organization and clients. If you are passionate about leveraging technology to optimize business processes and improve customer experiences, we want to hear from you.

Responsibilities:

1. Collaborate with stakeholders to understand business requirements and translate them into technical solutions within CRM and ERP systems.
2. Design, develop, test, and deploy customizations, extensions, and integrations for CRM and ERP platforms.
3. Customize and configure CRM and ERP systems to meet specific business needs, including workflows, user interfaces, reports, and dashboards.
4. Develop and maintain documentation for customizations, configurations, and integrations.
5. Troubleshoot and resolve issues related to CRM and ERP systems, including data quality, performance, and integration issues.
6. Stay up-to-date with the latest trends and best practices in CRM and ERP development and integration.
7. Collaborate with cross-functional teams, including business analysts, system administrators, and end-users, to ensure successful project delivery.
8. Provide technical support and assistance to internal teams and clients as needed.

Requirements:

1. Bachelor's degree in Computer Science, Information Systems, or a related field.
2. Proven experience as a Software Developer or Software Engineer, with specific experience in CRM and/or ERP development.
3. Proficiency in programming languages commonly used in CRM and ERP development, such as JavaScript (for CRM customization), C#, Java, or Python.
4. Experience with CRM platforms such as Salesforce, Microsoft Dynamics CRM, or Zoho CRM.
5. Experience with ERP systems such as SAP, Oracle E-Business Suite, Microsoft Dynamics 365, or NetSuite.
6. Strong understanding of CRM and ERP concepts, including data models, business processes, and integration mechanisms.
7. Experience with web services and APIs for integrating CRM and ERP systems with other applications and data sources.
8. Excellent problem-solving skills and attention to detail.
9. Strong communication and collaboration skills.
10. Ability to work independently and as part of a team.
11. Certification in relevant CRM and ERP platforms is a plus.

Benefits:

• Competitive salary
• Opportunities for professional development and career growth
• Dynamic and collaborative work environment
• Flexible work arrangements

If you are passionate about CRM and ERP development and want to contribute to the success of our organization and clients, apply now with your resume and cover letter.

Skills:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (Redux)
• Familiarity with newer specifications of ECMAScript
• Experience with data structure libraries (e.g., Immutable.js)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial)

• Systems: eCommerce, CMS, Transaction website, payment gateways, Omni-channel, Postman Application
• Role: Will be responsible for testing website, POS, Logistics systems. Integration testing. Automate scripts and test data. Testing of website on different screens, resolution, regression, performance & integrity testing. Build use cases, test cases and test data including API testing for request & response
• Education : BE/BTech
• Experience : 4-6 Years. Manual and/or Automation Testing, Understanding and usage of tools like Silenium, JIRA. Team player. Leadership qualities and coordination with different stakeholders

What you need to have:

• Strong proficiency with JavaScript 
• Knowledge of Node.js and frameworks available for it 
• A good understanding of the nature of asynchronous programming, its challenges, and workarounds
• Good understanding of server-side templating languages 
• Good understanding of server-side CSS preprocessors 
• Basic understanding of front-end technologies, such as HTML5, and CSS3
• Understanding of accessibility and security compliance 
• Experience in user authentication and authorization between multiple systems, servers, and environments
• Proficiency in API integrations
• Understanding of fundamental design and architecture principles to scale an application
• Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools, such as Git
• A degree in any discipline
• Good communication and team skills
• Ability to listen to the requirements of team members and clients and translate them into great solutions