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About The Company
Firstsource is a leading global provider of business process management and customer experience solutions. With a strong focus on innovation and technology, Firstsource partners with organizations across various industries to deliver transformative solutions that enhance operational efficiency and customer satisfaction. The company prides itself on fostering a collaborative and inclusive work environment, leveraging cutting-edge technologies such as artificial intelligence, automation, and analytics to drive growth and competitive advantage. Committed to sustainability and social responsibility, Firstsource continually invests in its people and community initiatives to create a positive impact worldwide.
About The Role
We are seeking a highly experienced Senior Data Scientist specializing in Speech, Voice, and Conversational AI to join our Data Science & AI department. This pivotal role involves leading the design, development, and deployment of next-generation voice and speech AI solutions. The successful candidate will serve as a technical thought leader, shaping our voice AI strategy and driving innovation across our service lines. You will be responsible for architecting scalable, production-grade voice AI systems, mentoring teams of data scientists and engineers, and collaborating with cross-functional stakeholders including product managers, engineers, and clients to deliver impactful solutions.
The ideal candidate will possess a deep understanding of speech and voice technologies, extensive hands-on experience with Generative AI and Agentic AI frameworks, and a proven track record of deploying complex AI systems at scale. This role offers an exciting opportunity to influence the future of voice AI technology within a dynamic and forward-thinking organization, working on innovative projects that redefine customer interactions and operational efficiencies.
Qualifications
The candidate should have between 12 to 15 years of progressive experience in Data Science, Machine Learning, or AI Engineering, with at least 5 years dedicated to speech, voice, or audio-based machine learning applications. A Master’s or Ph.D. in Computer Science, Electrical Engineering, Computational Linguistics, or a related quantitative discipline is required. Demonstrated success in architecting and deploying large-scale, production-grade speech and voice AI systems is essential. The candidate must have deep hands-on expertise with major cloud speech platforms such as Google Cloud Speech, Azure Speech Services, AWS Transcribe, and open-source speech models. Strong knowledge of Generative AI fundamentals, including transformer architectures, attention mechanisms, tokenization, and inference optimization, is vital. Experience building Agentic AI solutions with multi-step reasoning, tool integration, and autonomous decision-making will be highly valued. Candidates with published research, patents, or conference presentations in speech or NLP domains are preferred.
Responsibilities
Design and oversee the end-to-end architecture of voice AI solutions, including real-time speech-to-text, text-to-speech, voice-to-voice communication, speaker diarization, emotion detection, and voice biometrics. Evaluate, benchmark, and integrate leading speech platforms and APIs such as Google Cloud Speech, Amazon Transcribe, Azure Speech Services, Whisper, Deepgram, and others to ensure optimal performance. Build and maintain robust voice pipelines capable of noise cancellation, language identification, accent adaptation, and real-time streaming at scale.
Lead the development and deployment of Generative AI-powered conversational agents utilizing large language models like GPT-4, Claude, Gemini, and open-source alternatives such as LLaMA and Mistral. Architect Agentic AI workflows using frameworks like LangChain, CrewAI, AutoGen, and Semantic Kernel to enable multi-step reasoning and tool use. Implement Retrieval-Augmented Generation (RAG) pipelines with vector databases including Pinecone, Weaviate, and Qdrant for context-aware voice assistants. Drive prompt engineering, fine-tuning strategies, and optimization techniques such as LoRA, QLoRA, and Reinforcement Learning with Human Feedback (RLHF).
Lead solution design workshops with clients and internal teams to translate business needs into scalable voice AI architectures. Define technical roadmaps, establish best practices, and develop reusable solution components to accelerate deployment. Manage proof-of-concept projects from initial development to production deployment, collaborating closely with MLOps and engineering teams to ensure reliability and performance.
Mentor and develop a team of data scientists and ML engineers, fostering a culture of innovation and continuous learning. Represent Firstsource as a subject matter expert in voice AI during internal reviews, client presentations, and industry forums. Stay abreast of the latest research and advancements in speech, NLP, and AI, translating insights into strategic opportunities for the organization.
Benefits
Joining Firstsource offers a dynamic environment where innovation is encouraged and your contributions directly impact global customer experiences. You will have access to cutting-edge technologies, diverse projects, and opportunities for professional growth. The company provides competitive compensation packages, comprehensive health benefits, flexible working arrangements, and a supportive work culture that values diversity and inclusion. Additionally, employees benefit from ongoing training, development programs, and the chance to work alongside industry-leading experts in AI and speech technologies.
Equal Opportunity
Firstsource is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, religion, gender, sexual orientation, age, disability, or any other protected status. Our commitment is to foster a workplace where everyone feels valued, respected, and empowered to contribute their best.
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