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)
Machine Learning (ML)Role Overview:
Zolvit is looking for a highly skilled and self-driven Lead Machine Learning Engineer / Lead Data Scientist to lead the design and development of scalable, production-grade ML systems. This role is ideal for someone who thrives on solving complex problems using data, is deeply passionate about machine learning, and has a strong understanding of both classical techniques and modern AI systems like Large Language Models (LLMs).
You will work closely with engineering, product, and business teams to identify impactful ML use cases, build data pipelines, design training workflows, and ensure the deployment of robust, high-performance models at scale.
Key Responsibilities:
● Design and implement scalable ML systems, from experimentation to deployment.
● Build and maintain end-to-end data pipelines for data ingestion, preprocessing, feature engineering, and monitoring.
● Lead the development and deployment of ML models across a variety of use cases — including classical ML and LLM-based applications like summarization, classification, document understanding, and more.
● Define model training and evaluation pipelines, ensuring reproducibility and performance tracking.
● Apply statistical methods to interpret data, validate assumptions, and inform modeling decisions.
● Collaborate cross-functionally with engineers, data analysts, and product managers to solve high-impact business problems using ML.
● Ensure proper MLOps practices are in place for model versioning, monitoring, retraining, and performance management.
● Keep up-to-date with the latest advancements in AI/ML, and actively evaluate and incorporate LLM capabilities and frameworks into solutions.
● Mentor junior ML engineers and data scientists, and help scale the ML function across the organization.
Required Qualifications:
● 7+ years of hands-on experience in ML/AI, building real-world ML systems at scale.
● Proven experience with classical ML algorithms (e.g., regression, classification,
clustering, ensemble models).
● Deep expertise in modern LLM frameworks (e.g., OpenAI, HuggingFace, LangChain)
and their integration into production workflows.
● Strong experience with Python, and frameworks such as Scikit-learn, TensorFlow,
PyTorch, or equivalent.
● Solid background in statistics and the ability to apply statistical thinking to real-world
problems.
● Experience with data engineering tools and platforms (e.g., Spark, Airflow, SQL,
Pandas, AWS Glue, etc.).
● Familiarity with cloud services (AWS preferred) and containerization tools (Docker,
Kubernetes) is a plus.
● Strong communication and leadership skills, with experience mentoring and guiding
junior team members.
● Self-starter attitude with a bias for action and ability to thrive in fast-paced environments.
● Master’s degree in Machine Learning, Artificial Intelligence, Statistics, or a related
field is preferred.
Preferred Qualifications:
● Experience deploying ML systems in microservices or event-driven architectures.
● Hands-on experience with vector databases, embeddings, and retrieval-augmented
generation (RAG) systems.
● Understanding of Responsible AI principles and practices.
Why Join Us?
● Lead the ML charter in a mission-driven company solving real-world challenges.
● Work on cutting-edge LLM use cases and platformize ML capabilities for scale.
● Collaborate with a passionate and technically strong team in a high-impact environment.
● Competitive compensation, flexible working model, and ample growth opportunities.
About the Role:
We are looking for a dynamic and enthusiastic Human Resources Executive to join our team in Indore. The ideal candidate should have excellent communication skills and a keen interest in managing end-to-end HR operations in a growing organization.
Key Responsibilities:
- Manage end-to-end recruitment process (sourcing, screening, scheduling interviews, follow-ups)
- Conduct HR interviews and coordinate with hiring managers
- Handle onboarding and documentation of new employees
- Maintain employee records and HR databases
- Assist in performance management and employee engagement activities
- Address employee queries and support HR operations
- Draft HR letters (Offer letters, Appointment letters, Warning letters, etc.)
- Support payroll coordination and attendance tracking
Required Skills & Qualifications:
- Bachelor’s degree in HR, Business Administration, or related field
- 0–2 years of experience in HR (Freshers with strong communication skills can apply)
- Excellent verbal and written communication skills
- Good organizational and coordination abilities
- Basic knowledge of MS Office (Excel, Word)
- Strong interpersonal skills and positive attitude
We are looking to hire an SEO Content Specialist who understands search engine optimization and can write both long- and short-form content that's informative, compelling, and relevant to our portfolio companies, and drives maximum traffic to our websites, thereby improving their rankings in search engines.
You must be below 28, graduate from a Tier-1 Engineering College with 2+ years of SEO/SEM content writing experience.
You will ensure that company websites host high-quality, subject-rich, SEO-rich content, and drive complete end-to-end organic content marketing strategy to increase rankings, online visibility, and organic traffic.
Detailed Job Description
- Day-to-day execution of organic SEO campaigns including keyword research, content gap recommendations, strategic optimization of existing content, competitor analysis, and site improvements.
- Regular off-page link-building activities like backlink building from authoritative websites, article submissions, social bookmarking, classified ads, etc.
- Write compelling and high-quality website content - including long blog posts and short page descriptions.
- Work closely with content writers to post optimized blogs and articles online.
- Track progress through analytics tools such as Google Analytics, Google Webmaster Tools, etc.
- Optimize existing content by performing keyword research, editing content for readability and flow, submitting site maps to Google Webmaster Tools, etc.
You are a perfect fit if you have:
- Strong understanding of all SEO standard methodologies, such as user content optimization, meta-data optimization, SEO-friendly site architecture, technical SEO, off-page SEO, and SEO tools like Ahrefs, SEMrush, etc.
- A sense of humour to make content interesting and engaging. It would be an added advantage, though not mandatory.
- Consistent track record in leading SEO content projects (from inception to completion) that drives business growth.
- Exceptional communication skills, both written & verbal.
- Self-motivated and independent, well-organized, able to do hands-on work and analysis with minimum supervision..
We hire candidates for their strengths and superpowers, with a belief that the best team draws its mojo from these unique, yet complementary, individuals.
React Native
Android Development
iOS App Development
Javascript
Redux/FluxAndroid using React Native.
Key Skills required :
1. Understanding of the Mobile Application Development lifecycle
2. Hands-on experience with React Native
3. Experience with Redux or Flux or MobX
4. Understanding of Advanced JavaScript – ES6
5. Understanding of Flexbox
6. Preferable experience with iOS (Swift) or Android (Java) development
We are looking for an HR Manager with outstanding people skills to manage our personnel and ensure that our human resources programs and initiatives are effective, efficient, and aligned with overall business objectives. The ideal candidate for this role should possess a high work ethic, excellent communication skills, knowledge of labour regulations and HR practices, strategic thinking abilities, strong organisational skills, and excellent interpersonal skills.
Responsibilities:
Provide professional leadership, support, and development to HR staff, in order to increase knowledge, share best practices, and ensure that relevant professional standards are met.
Advice and strategies on the development of effective employment policies across the company.
Take a lead role in transforming and strengthening the organisational culture, ensuring that the company values and approach are displayed.
Ability to handle Employee Relations issues end to end.
Coordinate playbooks for annual HR activities such as compensation planning and open enrolment.
Handle a team of recruiters and end-to-end IT recruitment.
Parse specialised skills and qualifications to screen IT resumes
Perform pre-screening calls to analyse applicants’ abilities
Interview candidates combining various methods (e.g., structured interviews, technical assessments and behavioural questions)
Coordinate with IT team leaders to forecast department goals and hiring needs
Craft and send personalised recruiting emails with current job openings to passive candidates
Participate in tech conferences and meetups to network with IT professionals.
Required Skills:
Good knowledge of employment regulations.
Proven work experience as a Technical Manager or Manager
Hands-on experience with various interview formats (e.g., phone, Skype and structured)
Technical expertise with an ability to understand and explain job requirements for IT roles
Familiarity with Applicant Tracking Systems and resume databases
Solid knowledge of sourcing techniques (e.g., Job portals and Boolean search)
Excellent verbal and written communication skills, Solid understanding of HR practices and labour legislation.
iOS App Development
Swift
Objective CDetails:
Experience Required:5+
Job Location: Infopark phase2, Kochi,Kerala
Responsibilities
• Design and build applications for the iOS platform
• Ensure the performance, quality, and responsiveness of applications
• Collaborate with a team to define, design, and ship new features
• Identify and correct bottlenecks and fix bugs
• Help maintain code quality, organization, and automatization Skills
• Proficient with Swift
• Experience with iOS frameworks such as Core Data, Core Animation, etc.
• Experience with offline storage, threading, and performance tuning
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Knowledge of UI/UX standards
• Understanding of Apple’s design principles and interface guidelines
• Experience with performance and memory tuning with tools (such as Instruments and Shark, depending on
project needs)
• Familiarity with cloud message APIs and push notifications
• Knack for benchmarking and optimization
• Proficient understanding of code versioning tools (such as Git, Mercurial, or SVN)
• Familiarity with continuous integration
at Altimetrik
-Expertise in building AWS Data Engineering pipelines with AWS Glue -> Athena -> Quick sight.
-Experience in developing lambda functions with AWS Lambda.
-
Expertise with Spark/PySpark
– Candidate should be hands on with PySpark code and should be able to do transformations with Spark
-Should be able to code in Python and Scala.
-
Snowflake experience will be a plus
React NativeResponsibilities
- Build pixel-perfect, buttery smooth UIs across both mobile platforms.
- Leverage native APIs for deep integrations with both platforms.
- Diagnose and fix bugs and performance bottlenecks for performance that feels native.
- Reach out to the open source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
- Maintain code and write automated tests to ensure the product is of the highest quality.
- Transition existing React web apps to React Native.
The Recruitment Lead will be responsible for overall India recruitment strategy
development, implementation and administration of recruitment programs. Execute
Recruitment strategy to drive business results of each internal departments and
appropriate stakeholders.
The Recruitment Lead will possess and exercise exceptional skills in: problem solving,
strategic thinking, and project/process management, coaching and fostering
collaboration. To monitor and constantly reduces the costs of the recruitment process
Functions and Responsibilities:
40% Recruiting Strategy: Provide day to day support on the overall recruiting life cycle and
building trusted relationships with hiring managers.
Overall Recruiting Strategy for
o Responsible towards the senior leadership in planning, developing,
executing, and directing hiring strategies, processes, and programs for
o Lead sourcing strategies through a variety of sourcing channels across all of
recruiting needs.
Manage and maintain external search agency relationships, contracts,
negotiations and effectiveness.
Develop and manage university and external program relationships to
build additional sourcing pipelines.
Oversight over all open roles and health of the pipelines.
Identifying key industry related events and coordinating participation.
o Responsible for partnering with Marketing and Design on all recruiting related
activities including managing our social media brand related to hiring
o Partnering effectively with the Global recruiting team, ensuring
alignment on practices, and alignment on use of external agencies.
Hiring Manager Relationships
Responsible for building an understanding of our hiring needs, conducting a
needs analysis and evaluation of job descriptions that best target our talent
profiles.
Responsible for providing counsel to hiring managers on approaches to recruiting
and interviewing practices
2
Senior Manager Recruitment
Job Description
Act as a relationship manager between hiring managers and candidates, being
responsible towardsand balancing our needs and expectations with
that of the candidate.
Partnering with theHR team on supportinHiring manager
needs.
Educating and enabling managers through the interview framework
30% Recruiting
Manage open job postings and candidate pipeline
Responsible for managing an active and passive pipeline search through a variety of
recruiting channels.
Responsible for ensuring a positive candidate experience throughout the life cycle of the
recruitment process.
Provide support on building out job descriptions
Gathering candidate feedback in a timely manner
Coordinating and scheduling candidates in a timely manner being respectful of the hiring
managers’ schedules.
Ensuring alignment of communications through job postings and candidate experience
align with our overall culture and brand.
20% Recruiting Operations
Reporting and Metrics:
Ensuring the recruiting report is updated on a weekly basis and providing any
further metrics or reporting needs analysis.
Leadership level communication: Managing the Leadership and as appropriate
Managers communications on the overall health of our recruitment.
Financials:
Oversight of the budgets aligned against search agencies, external events,
memberships
Oversight of referral program partnering with Finance, including processing of
any referral payments
Agency Relationships: Responsible for negotiating and managing any external agency
relationships. Fiscally responsible for the costs and management of these relationships.
Responsible for the overall recruiting flow and offer approval flow:
Experience Guidelines:
To ensure that the HR Policies & Procedures on recruitment are fully complied throughout the
selection process. Strong ability to communicate effectively (verbal and written), at all levels
within and outside the organization
Solid understanding of on-going Technology trends. Past experience in managing and mentoring
a team of at least 4-6 recruiters is a must.
About 10 years of related experience of which a minimum of 6 years should be in a similar
position / responsibility, preferably in a similar Industry. HR , Recruitment , Recruitment
Manager/Preferably from Analytics or IT domain company
Hands-on experience on MS Office skills
3
Senior Manager Recruitment
Job Description
Ways of Working
Think and act strategically to resolve issues, problem solve, add business value
Approach work with a sense of urgency
Strong organizational/planning, project management, and multi-tasking skills required to
deliver on time and within budget
Work independently with minimal supervision to set priorities and demonstrate excellent
program /process and management skills
Demonstrate a strong attention to detail
Demonstrated experience in fostering a collaborative working environment between
individuals and teams through coaching & personal example
Exceptional time and priority management skills
Use excellent communication skills to collaborate and provide transparency on all things
Be a collaborative,
Selling Digital Signature certificate all over India
Determine annual sales and profit plans by implementing marketing strategies; analyzing trends and results, in the field of e-Governance, Large IT System Integration Projects, Smart City, ERP, Cloud, BI, IOT, AI, blockchain, Digitisation and Software Applications.
Handle Team of 5000 people.
Handle PAN India Sales team for DSC Sales
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