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I am a Senior Software Engineer specializing in Machine Learning, Generative AI, LLM engineering, and Full-Stack Development. I have a strong foundation in Data Engineering and large-scale systems, with extensive experience building intelligent, scalable solutions that deliver measurable impact across fintech, insurance, healthcare, and enterprise sectors. I excel in startup environments requiring speed and adaptability as well as enterprise settings demanding reliability and scale. I have hands-on expertise in creating AI-driven products that streamline operations, enhance user experiences, and drive business growth. I am skilled at translating complex technical concepts into clear, strategic outcomes aligned with product and business goals, and thrive collaborating across teams to deliver cutting-edge technology solutions that meet real-world needs.…I am a Senior Software Engineer specializing in Machine Learning, Generative AI, LLM engineering, and Full-Stack Development. I have a strong foundation in Data Engineering and large-scale systems, with extensive experience building intelligent, scalable solutions that deliver measurable impact across fintech, insurance, healthcare, and enterprise sectors. I excel in startup environments requiring speed and adaptability as well as enterprise settings demanding reliability and scale. I have hands-on expertise in creating AI-driven products that streamline operations, enhance user experiences, and drive business growth. I am skilled at translating complex technical concepts into clear, strategic outcomes aligned with product and business goals, and thrive collaborating across teams to deliver cutting-edge technology solutions that meet real-world needs.

Somtochukwu Harrison Arannonu

AI Engineer, Full Stack Developer, Developer

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I am a Senior Software Engineer specializing in Machine Learning, Generative AI, LLM engineering, and Full-Stack Development. I have a strong foundation in Data Engineering and large-scale systems, with extensive experience building intelligent, scalable solutions that deliver measurable impact across fintech, insurance, healthcare, and enterprise sectors. I excel in startup environments requiring speed and adaptability as well as enterprise settings demanding reliability and scale. I have hands-on expertise in creating AI-driven products that streamline operations, enhance user experiences, and drive business growth. I am skilled at translating complex technical concepts into clear, strategic outcomes aligned with product and business goals, and thrive collaborating across teams to deliver cutting-edge technology solutions that meet real-world needs.…I am a Senior Software Engineer specializing in Machine Learning, Generative AI, LLM engineering, and Full-Stack Development. I have a strong foundation in Data Engineering and large-scale systems, with extensive experience building intelligent, scalable solutions that deliver measurable impact across fintech, insurance, healthcare, and enterprise sectors. I excel in startup environments requiring speed and adaptability as well as enterprise settings demanding reliability and scale. I have hands-on expertise in creating AI-driven products that streamline operations, enhance user experiences, and drive business growth. I am skilled at translating complex technical concepts into clear, strategic outcomes aligned with product and business goals, and thrive collaborating across teams to deliver cutting-edge technology solutions that meet real-world needs.

Available to hire

I am a Senior Software Engineer specializing in Machine Learning, Generative AI, LLM engineering, and Full-Stack Development. I have a strong foundation in Data Engineering and large-scale systems, with extensive experience building intelligent, scalable solutions that deliver measurable impact across fintech, insurance, healthcare, and enterprise sectors. I excel in startup environments requiring speed and adaptability as well as enterprise settings demanding reliability and scale.

I have hands-on expertise in creating AI-driven products that streamline operations, enhance user experiences, and drive business growth. I am skilled at translating complex technical concepts into clear, strategic outcomes aligned with product and business goals, and thrive collaborating across teams to deliver cutting-edge technology solutions that meet real-world needs.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Senior AI Engineer at PHC

November 1, 2023 - Present

Lead the development of scalable Generative AI and LLM pipelines for retrieval-augmented generation, semantic search, summarization, classification, named entity recognition, and knowledge extraction across insurance, legal, and enterprise domains. Leveraged technologies including GPT-4, LangChain, LlamaIndex, Hugging Face, PyTorch, TensorFlow, Core ML, ONNX, TorchScript, vLLM, and Ray for end-to-end solutions. Fine-tuned transformer models such as BERT, RoBERTa, and GPT achieving over 90% accuracy on proprietary datasets. Applied distributed training, quantization, pruning, and hyperparameter optimization for robust production deployments. Engineered advanced prompting strategies to reduce hallucinations and improve relevance. Integrated function calling and tool usage within LLM workflows to automate document routing, tagging, and task orchestration. Implemented secure retrieval layers with role-based access control and compliance enforcement. Designed evaluation pipelines for model

Machine Learning Engineer at Scribendi Inc

September 1, 2023 - September 5, 2025

Developed and deployed a secure retrieval-augmented generation system using GPT-4 and Azure OpenAI, enabling over 10,000 users across departments to perform natural language search, summarization, and knowledge extraction. Built real-time and batch inference APIs with robust features like token streaming and A/B testing, reducing latency by 30%. Managed multi-cloud infrastructure using Terraform, ensuring secure access. Integrated RAG pipelines with cloud storage and enterprise document platforms for real-time data ingestion. Collaborated cross-functionally to translate AI research into production-grade systems driving business impact. Developed AI tools to automate underwriting, claims, and document triage, increasing throughput and accuracy. Designed and maintained scalable data pipelines and ETL workflows with Apache Spark, Flink, Kafka, Airflow, and dbt. Implemented observability and compliance monitoring using Prometheus and Grafana. Automated deployment via Docker, Kubernetes, an

Data Engineer at Olivine

February 1, 2020 - September 5, 2025

Collaborated with multiple teams to deliver next-generation Siri features including real-time speech embeddings and multilingual natural language understanding. Built privacy-first machine learning and data pipelines with audit logging, encryption, role-based access control, and compliance automation supporting GDPR, SOX, and CCPA standards. Engineered modular infrastructure and distributed pipelines processing 15+ terabytes of multimodal data daily with 33x throughput increases. Developed APIs and SDKs supporting Python, Java, and Scala ecosystems. Designed high-throughput services handling 10,000+ transactions per second onboarding 1,400+ datasets daily. Implemented automated Core ML pipelines for model conversion and quantization. Integrated secure encrypted storage and access systems across business units. Created resilient real-time and batch data architectures using Kafka, Airflow, dbt, Delta Lake, and Snowflake. Scaled pipelines significantly improving ingestion speed and batch