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Jobs at Acclaim AI (Now Hiring) — 6 open

Acclaim AI logoAcclaim AI

Telephony Engineer

Limassol, Cyprus, Cyprus · Remote Solely

Senior$74M raised

We're expanding the team and are looking for a Telephony Engineer. Requirements 5 to 10 years of experience in VoIP and telephony engineeringDeep understanding of SIP protocol including messaging, methods, response codes…

Skills: VoIP, SIP Protocol, FreeSWITCH, Asterisk, Linux Administration

Acclaim AI logoAcclaim AI

MLE ( ASR)

Barcelona, Catalonia, Spain · Remote Solely

Mid level$74M raised

We are looking to strengthen our team for a MLE (Speech Tech, ASR)! Requirements 3+ years of hands-on experience in speech recognition or a closely related field.Proficiency in Python and deep learning frameworks (especi…

Skills: Python, PyTorch, Automatic Speech Recognition, Conformer, Beamsearch

Acclaim AI logoAcclaim AI

MLE ( ASR)

Belgrade, Central Serbia, Serbia · Remote Solely

Mid level$74M raised

We are looking to strengthen our team for a MLE (Speech Tech, ASR)! Requirements 3+ years of hands-on experience in speech recognition or a closely related field.Proficiency in Python and deep learning frameworks (especi…

Skills: Python, PyTorch, Automatic Speech Recognition, Conformer, Beamsearch

Acclaim AI logoAcclaim AI

SRE

Barcelona, Catalonia, Spain · Remote Solely

Senior$74M raised

We currently have several large-scale projects and are expanding our infrastructure team. Our product is an advanced platform for creating and managing AI agents. It can be deployed directly inside a customer’s infrastru…

Skills: SRE, Kubernetes, Docker, Prometheus, Grafana

Acclaim AI logoAcclaim AI

Telephony Engineer

Barcelona, Catalonia, Spain · Remote Solely

Senior$74M raised

We're expanding the team and are looking for a Telephony Engineer. Requirements 5 to 10 years of experience in VoIP and telephony engineeringDeep understanding of SIP protocol including messaging, methods, response codes…

Skills: VoIP, SIP Protocol, FreeSWITCH, Asterisk, Linux Administration

Acclaim AI logoAcclaim AI

SRE

Lisbon, Portugal · Remote Solely

Senior$74M raised

We currently have several large-scale projects and are expanding our infrastructure team. Our product is an advanced platform for creating and managing AI agents. It can be deployed directly inside a customer’s infrastru…

Skills: SRE, Kubernetes, Docker, Prometheus, Grafana

Acclaim AI logo

Telephony Engineer

Acclaim AI

Limassol, Cyprus, Cyprus • Remote Solely

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  • Full-time
  • 21 Vacation Days, Public Holidays, 5 Sick Days, Private English Lessons via Preply
  • Posted 2d ago
  • ~40 hrs/week

Responsibilities

Design and modernize telephony infrastructure while integrating with global telecom providers. Build call handling systems from scratch and develop integration solutions for an AI platform.

Requirements

Requires 5 to 10 years of experience in VoIP and telephony engineering with deep knowledge of SIP and Linux administration. Proficiency in FreeSWITCH, Asterisk, and networking tools is essential.

Full job description

We're expanding the team and are looking for a Telephony Engineer.


Requirements

  • 5 to 10 years of experience in VoIP and telephony engineering
  • Deep understanding of SIP protocol including messaging, methods, response codes and SDP, as well as troubleshooting of signaling and media issues including NAT and RTP
  • Knowledge of FreeSWITCH/Asterisk/ or any other b2ua including architecture, dialplan development using Lua/XML/conf, configuration of SIP profiles, gateways and modules, performance optimization
  • Experience building utilities, tools, management services for VoIP infrastructure
  • Experience with any kind of programming language.
  • Solid understanding of networking including TCP IP, RTP RTCP and traffic analysis using tools such as tcpdump, Wireshark and sngrep
  • Strong Linux administration (Debian or Ubuntu)

Nice to have

  • Experience with Go language.
  • Experience with Kamailio/Opensips or rtpengine
  • Familiarity with CI CD, Docker, Ansible and Kubernetes
  • Experience with large scale telephony systems
  • Experience with ESL and Sofia knowledge
  • Experience with Node.js for integration services, event socket (ESL) interaction with FreeSWITCH and REST API development
  • Background in voice biometrics projects

Responsibilities

  • Design and modernization of the telephony infrastructure
  • Integration with telecom providers in the US, LATAM and Europe
  • Optimization of resources and telecom costs
  • Building call handling systems from scratch for both outbound and inbound traffic
  • Development of integration solutions with the AI platform
  • Driving reliability, scaling and fault tolerance
  • Working with high call volumes using Kamailio/OpenSIPS and rtpengine
  • Participate in 2d and 3d level support duties as well as on-call rotation

What we offer

  • The team has built award-winning AI products for tech corporations — devices, voice assistants, products that are actually in the world 
  • Cutting-edge tech stack: Speech Technologies, NLP, Generative AI (LLMs, diffusion models), voice-first agentic architecture with privacy-first and on-premises deployment
  • High engineering bar and real ownership — the team cares about what actually works in production, not what looks good in a demo, and you'll see the impact of your work directly 
  • Fast career progression — a senior-heavy team and a high volume of real problems means you grow faster than you would anywhere else 
  • Startup pace with enterprise stability — real clients, real revenue, no bureaucracy 
  • Fully remote across Europe
  • 21 vacation days + public holidays + 5 sick days 
  • Private English lessons via Preply

Related keywords

VoIPSIPSDPNATRTPFreeSWITCHAsteriskLuaXMLTCP/IPRTCPTcpdumpWiresharkSngrepDebianUbuntu

About Acclaim AI

LinkedInVisit site
Industry
Technology, Information and Internet
Company size
51-200 employees
Headquarters
Miami
LinkedIn followers
4,699
Total funding
$74M

Acclaim is a voice-first AI customer experience (CX) platform purpose-built for regulated industries including banking, fintech, healthcare, and insurance. It provides enterprises with goal-oriented AI agents that go beyond conversation to deliver agentic solutions that solve end-to-end business problems—orchestrating and executing complete customer workflows from outreach through resolution. Acclaim's solutions transform human-driven CX processes into AI-powered ones that are continuously learning and improving. Our platform helps organizations delight with human-quality conversations, accelerate revenue-driving interactions, and safeguard their data by maintaining strict compliance across every customer channel—creating more seamless customer experiences while improving the productivity and satisfaction of human agents. Built on a privacy-first architecture with on-premises or private cloud deployment, Acclaim ensures every interaction is secure, compliant, and delivers results that speak for themselves.

Offices: Miami, US

Enterprise ApplicationsEnterprise SoftwareArtificial Intelligence (AI)
View all jobs at Acclaim AI

About Acclaim AI

LinkedInVisit site
Industry
Technology, Information and Internet
Company size
51-200 employees
Headquarters
Miami
LinkedIn followers
4,699
Total funding
$74M

Acclaim is a voice-first AI customer experience (CX) platform purpose-built for regulated industries including banking, fintech, healthcare, and insurance. It provides enterprises with goal-oriented AI agents that go beyond conversation to deliver agentic solutions that solve end-to-end business problems—orchestrating and executing complete customer workflows from outreach through resolution. Acclaim's solutions transform human-driven CX processes into AI-powered ones that are continuously learning and improving. Our platform helps organizations delight with human-quality conversations, accelerate revenue-driving interactions, and safeguard their data by maintaining strict compliance across every customer channel—creating more seamless customer experiences while improving the productivity and satisfaction of human agents. Built on a privacy-first architecture with on-premises or private cloud deployment, Acclaim ensures every interaction is secure, compliant, and delivers results that speak for themselves.

Offices: Miami, US

Enterprise ApplicationsEnterprise SoftwareArtificial Intelligence (AI)
View all jobs at Acclaim AI

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