Voice Services Software Developer

About The Company Rubicon Consulting is a premier talent management consultancy dedicated to helping organizations optimize their business performance and gain a competitive edge through strategic human resource solutions. With a proven track record of connecting top-tier talent with innovative companies, Rubicon Consulting specializes in sourcing, screening, and placing highly skilled professionals across various industries. Our commitment to excellence and personalized approach ensures that our clients receive tailored staffing solutions that meet their unique needs. We pride ourselves on fostering long-term relationships with both clients and candidates, emphasizing quality, integrity, and professionalism in every engagement. About The Role We are currently seeking a highly skilled Voice Services Developer to join our dynamic team on a 4+ year contract based in Suffolk. This role is pivotal in building, maintaining, and optimizing next-generation communication platforms that leverage both traditional telecommunication protocols and modern cloud-based AI technologies. As a Voice Services Developer, you will serve as a bridge between legacy telephony systems and cutting-edge cloud solutions, ensuring seamless integration and high-performance voice services. Your expertise will contribute to the development of stable SIP services, management of open-source media engines, and the integration of advanced Speech AI technologies across multi-cloud environments. This is an excellent opportunity for a proactive professional eager to work on innovative communication solutions within a collaborative and forward-thinking organization. Qualifications The ideal candidate will possess a strong technical background with the following qualifications: Professional experience with Java programming, including multi-threading and network programming.In-depth knowledge of Java applications utilizing JAIN SLEE framework and SIP Servlet frameworks.Hands-on experience configuring and scripting with telephony engines such as FreeSWITCH or Asterisk.Solid understanding of voice protocols including SIP, RTP/RTCP, and SDP.Experience integrating cloud speech APIs such as AWS Transcribe/Polly, Azure Speech, or Google Cloud Speech-to-Text.Proficiency in deploying and managing applications across multi-cloud platforms including AWS, Azure, and Google Cloud Platform.Proficiency with network analysis tools like Wireshark or sngrep for VoIP troubleshooting.Knowledge of containerization technologies such as Docker and Kubernetes is preferred.Understanding of WebRTC and telephony security standards including TLS and SRTP is advantageous. Responsibilities The successful candidate will be responsible for the following key duties: SIP Development: Design, develop, test, and maintain high-performance SIP-based voice services utilizing frameworks such as JAIN SLEE and SIP Servlets to ensure reliable communication channels.Media Server Administration: Configure, manage, and scale open-source media engines like FreeSWITCH or Asterisk to support robust voice communication solutions.Speech AI Integration: Implement and optimize Speech-to-Text (STT), Text-to-Speech (TTS), and Natural Language Processing (NLP) workflows to enhance voice interactions and automate responses.Cloud Operations: Deploy, monitor, and optimize voice applications across multiple cloud platforms including AWS, Azure, and Google Cloud, ensuring scalability and resilience.Troubleshooting and Diagnostics: Utilize network analysis tools such as Wireshark or sngrep to diagnose and resolve issues related to audio quality, call drops, and latency to maintain high service quality.Team Collaboration: Collaborate effectively with senior architects, DevOps teams, and cross-functional stakeholders to roll out scalable conversational AI bots and voice solutions.Documentation and Compliance: Maintain comprehensive documentation of development processes, configurations, and troubleshooting procedures to ensure compliance and facilitate knowledge sharing. Benefits Rubicon Consulting offers a competitive benefits package designed to support our employees’ well-being and professional growth. This includes comprehensive health insurance, paid time off, and opportunities for continuous learning and development. Employees will have the chance to work on innovative projects with cutting-edge technologies, contributing to the evolution of communication platforms. We foster a collaborative and inclusive work environment that values diversity, creativity, and initiative. Additionally, our flexible work arrangements and supportive management team ensure a positive and engaging workplace experience. Equal Opportunity Rubicon Consulting is an equal opportunity employer committed to fostering an inclusive environment for all employees. We do not discriminate based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, or any other protected characteristic. We believe in creating a diverse workforce that reflects the communities we serve and encourages innovation through varied perspectives. All qualified applicants will receive consideration for employment without regard to any protected status.