Spring Boot
Docker
KubernetesRole Overview
We are looking for a hands-on Senior Telephony Engineer who actively writes production-grade code and has deep experience with Asterisk-based systems, Java backend development, and high-scale dialler platforms.
Key Responsibilities
This is NOT an architecture-only role we need someone who can:
- Write code
- Debug real-time call issues
- Build and optimize telephony flows end-to-end
- Key Responsibilities (Hands-on Coding Focus)
- Develop and maintain Asterisk dialplans, AGI scripts, and call flows
- Build Java-based backend services for telephony control and orchestration
- Implement and optimize predictive / preview / progressive diallers
- Integrate telephony stack with:
Kafka
RabbitMQ
- Write scalable code for call routing, retry logic, and queue handling
- Work directly on SIP signalling, RTP flows, and debugging call issues
- Handle real-time call events, CDR processing, and logging pipelines
- Optimize systems for high concurrency (thousands of parallel calls)
- Debug production issues like:
Call drops
Latency
One-way audio
SIP failures
Qualifications & Skills
- Bachelors degree in Computer Engineering; Masters is a plus.
- Telephony (Core Requirement)
- Strong hands-on experience with Asterisk
- Deep knowledge of:
SIP / RTP / VoIP
Dialplans
AGI / AMI
- Experience building or maintaining dialers (very important)
- Backend Development
- Strong coding skills in Java (Spring Boot preferred)
- Experience building microservices / APIs
- Comfortable writing high-performance, low-latency code
- Messaging & Event Systems
- Hands-on experience with:
Apache Kafka
RabbitMQ
- Ability to implement event-driven systems
- Scaling & Performance
- Experience handling high call volumes (1000+ concurrent calls)
Understanding of:
- Multi-threading
- Queue management
- Load handling
- Good to Have
- Experience with predictive dialers
- Exposure to WebRTC / real-time communication
- Experience with Docker / Kubernetes
- Understanding of TRAI / Indian telecom ecosystem
- Experience with FreeSWITCH (bonus)
What We Are NOT Looking For
- Pure solution architects who dont code
- People with only theoretical telecom knowledge
- Candidates without real dialer / Asterisk production experience
What We Are Looking For
Someone who has:
- Written real dialplans and backend code
- Debugged live call issues
- Worked on production telephony systems
- A problem solver who can go deep into logs, packets, and code
Impact of the Role
You will directly contribute to building a high-scale telephony + AI voice platform, working on real-time systems that handle thousands of concurrent calls.
Shubham Vishwakarma
Full Stack Developer - Averlon
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- Interested in working at a successful, well-funded scale-up where every team member can make a huge contribution?
- Keen to make software that people will use every single day to make their lives easier?
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About the company
KeyNest solves the key exchange problem for Airbnb users. Our worldwide network of over 4,000 shops store keys so that Airbnb guests / cleaners / contractors can pick them up whenever is convenient for them. As a global partner of Airbnb we’ve checked-in over 2 million guests.
Why we need you
As the entire Airbnb ecosystem increasingly relies on KeyNest, our customers expect us to integrate additional features without reducing the ease of use that our customers love. This is why we continue to invest in beautiful, intuitive user interfaces that integrate with every tool and are used by our customers, their guests and staff, as well as our own staff.
A product manager, a team lead, two full-stack developers, one mobile developer, and a UX designer make up our product team. Who will serve as your mentor. We are looking for a developer who cares about how their code affects users so that we can work together.
With a genuine passion for high quality work, attention to detail and readiness to own your own projects, you will be looking for a new and exciting challenge which allows you to use your experience to drive change and maintain the high standards of our organisation.
Our Tech Stack
- C# MVC modern tech stack
- .Net Core
- Front end web in TypeScript & Angular
- Test Driven Development (TDD) and follow SOLID design principles.
- EF 6.0
- SQL Server 2017
- Agile experience (Scrum, Kanban)
- TFS
- Cloud hosted in Azure with micro-services architecture
Your qualities
- Proficiency with Javascript & Angular.
- Proficiency with HTML/CSS. Being able to create Figma designs from scratch.
- You have experience with back end technologies such as .NET Core.
- Track record of building great products
- You’ll love the idea of being a big part of a small team. Current team size is 5.
- Motivation and ambition to succeed in a fast-paced environment
- Not afraid to take on responsibilities
What we offer
- Crucial role in a funded, dynamic & fast-growing scale-up shaking up the sharing economy
- Competitive salary based on relevant experience
- Flexible working for our most committed staff
- Unparalleled opportunities to develop your career as the company develops rapidly
If you want to join the KeyNest team, please get in touch – we look forward to meeting you.
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
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- 2-4 years of experience in software design and development.
- Strong coding skills (JavaScript/Typescript, Node.js).
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1.Learning Budget: If there's a workshop, book, or event you think will help you learn, we'll cover your bill.
2.Health insurance for you and your family.
What happens after you apply?
Step 1: Within 7 days of your application our wholesome, original & expressive - our People Team will reach out to you for a quick chat.
Step 2: Within 4-6 days of chatting with the People Team, you will get a call from someone from your future team to discuss the job role.
Step 3: If all goes well, we’ll schedule a call with your future manager to deep dive into the role with you and for you to show off your skills through a small task.
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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
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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
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Manage and maintain external search agency relationships, contracts,
negotiations and effectiveness.
Develop and manage university and external program relationships to
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Oversight over all open roles and health of the pipelines.
Identifying key industry related events and coordinating participation.
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o Partnering effectively with the Global recruiting team, ensuring
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Responsible for building an understanding of our hiring needs, conducting a
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profiles.
Responsible for providing counsel to hiring managers on approaches to recruiting
and interviewing practices
2
Senior Manager Recruitment
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responsible towardsand balancing our needs and expectations with
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Partnering with theHR team on supportinHiring manager
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Coordinating and scheduling candidates in a timely manner being respectful of the hiring
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Ensuring the recruiting report is updated on a weekly basis and providing any
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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
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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
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Exceptional time and priority management skills
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Be a collaborative,
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- To create new Exclusive Distributor
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- Maintain smooth relationship with the customer & be ready to fulfill their needs effectively.
- Setting new goals & new strategies to run the business & revenue growth.
- Arrange business meetings with prospective clients
- Promote the company’s products/services
Requirements:
- Bachelor’s Degree preferred
- Experience required at least 1-2 years in related field
- Strong convincing power
- Representative skill with communication
- Self-motivated & the ability to be motivated by target
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• Coordinate resource management and allocation and control activities across teams to ensure projects are delivered on-time and on budget
• Serve as the main point of contact for delivery and activation questions from the partner and issue resolution as needed. (i.e. communication and expectation setting, raising tickets)
• Understand and communicate relevant new products, features, and capabilities as they become available and ensure successful deployment and activation with your partners
• Lead Client Training (facilitating training programs, if required along with Directors)
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- 4+ years of work experience
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- Experience with marketing campaign design, campaign management, and analysis preferred
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- Strong customer facing communication skills, both written and verbal
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Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon