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Silver Rauk

Senior AI/ML Engineer

Silver Rauk
Tartu, Estonia

Experience

Nov 2023 - Nov 2025
2 years 1 month
Netherlands

Senior AI/ML Engineer

First Line Software

  • Led the architecture and deployment of a multi-agent system to coordinate complex tasks across distributed backend services, enhancing scalability and autonomous decision-making.

  • Integrated LLM APIs into internal tools, enabling modular NLP pipelines and reasoning capabilities.

  • Collaborated with product teams to design AI-driven features for real-time language understanding in user-facing applications.

  • Developed a cross-platform OCR engine to extract structured data from scanned documents, invoices, and handwritten forms.

  • Built low-latency voice transcription modules for real-time speech-to-text in customer support platforms.

  • Designed RESTful APIs and scalable backend infrastructure using FastAPI and PostgreSQL to serve AI-driven microservices in production.

  • Contributed to a document intelligence solution combining OCR and Whisper, GPT-4o-transcribe, and language models to enable conversational interactions with visual content.

  • Championed automated evaluation workflows for AI components, reducing deployment risks and improving iteration speed.

Mar 2020 - Oct 2023
3 years 8 months
Poland

Full Stack Developer

Blazity

  • Developed Superchat, an AI platform integrating OCR, chatbot tools, and media-to-text pipelines, streamlining user access to advanced document and language processing.
  • Built a multi-model integration framework enabling users to interact with different LLM APIs, optimizing performance and output.
  • Designed a targeted search engine leveraging language models for enhanced data retrieval and user accuracy.
  • Implemented an offline OCR pipeline using vision models and camera input, allowing text extraction in disconnected environments.
  • Engineered a voice assistant for customer support, combining speech-to-text and text-to-speech modules.
  • Built a document analysis tool enabling semantic querying of static documents and conversational access to content.
  • Developed frontend interfaces using React and integrated them with FastAPI backends for seamless AI interaction.
  • Ensured high reliability with containerized deployments and monitoring of AI pipelines for performance drift and recovery.
Nov 2018 - Feb 2020
1 year 4 months
Tallinn, Estonia

Full Stack Developer

MindTitan OÜ

  • Implemented a real-time speech-to-text system using early ASR APIs (e.g., Google Speech-to-Text, Kaldi).
  • Designed and deployed a web scraping tool to transform unstructured website content into structured datasets.
  • Developed a fine-tuning framework for optimizing language models, reducing inference delays and improving contextual accuracy.
  • Built automation scripts to evaluate prompt consistency, response relevance, and failure modes.
  • Integrated model monitoring tools to track latency, error rates, and usage metrics across deployed endpoints.
  • Created lightweight APIs to expose model outputs for frontend evaluation workflows, A/B testing, applications, and research environments.
Dec 2016 - Oct 2018
1 year 11 months
Tallinn, Estonia

Frontend Developer

MindTitan OÜ

  • Built and maintained responsive enterprise UIs using React, ES6+, and Styled Components, delivering WCAG-compliant dashboards.
  • Refactored legacy views into functional components with React Hooks, improving code stability and maintainability.
  • Introduced a monorepo structure with Turborepo and Yarn Workspaces, streamlining development and improving code reuse.
  • Partnered with designers to implement high-fidelity layouts using Figma, Framer Motion, and Flexbox/Grid, while driving performance gains via Lighthouse audits and observability tools.
Feb 2013 - Nov 2016
3 years 10 months
Tartu, Estonia

Web Developer

Weekdone OÜ

  • Developed SEO-optimized real estate platforms using React.js, Next.js, and dynamic routing, improving performance and discoverability.
  • Built a recommendation engine prototype using scikit-learn for property suggestions based on user behavior.
  • Built RESTful APIs with Express.js and MongoDB, incorporating Python data preprocessing scripts.
  • Deployed Flask-based ML microservices on AWS EC2, and used Pandas/Matplotlib to generate internal reporting dashboards.

Summary

Senior AI/ML Engineer with over 10 years of experience designing and deploying production-grade AI systems, including LLM applications, real-time ASR, and multi-agent architectures. Proven expertise in model fine-tuning, system optimization, and building end-to-end AI pipelines using tools like LangChain, Deepgram, and OpenAI API.

Focused on delivering scalable, low-latency solutions for language, speech, and vision tasks across cloud-based environments.

Skills

  • Large Language Models & Nlp: Gpt-4o/4.1, Claude 4, Gemini 2.5, Kimik2, Llama 3/4, Qwen 3, Hugging Face Transformers, Spacy, Nltk, Sentencetransformers, Prompt Engineering, Few-shot Learning, Instruction Tuning

  • Model Fine-tuning & Training: Pytorch, Tensorflow, Jax, Lora, Qlora, Peft, Adapters, Mixed Precision Training, Quantization, Distillation, Model Evaluation (Bleu, Rouge, Perplexity, Hallucination Analysis)

  • Speech Processing: Whisper, Gpt-4o-transcribe, Deepgram Nova-3, Assemblyai Universal-2, Scribe, Elevenlabs, Openai Tts, Amazon Polly, Coqui, Real-time Asr Pipelines, Voice Agent Design

  • Vision & Ocr: Vision-language Models (Minigpt-4, Blip-2, Owlv2), Tesseract, Easyocr, Paddleocr, Image Captioning, Document Parsing, Visual Qa

  • Frameworks & Toolkits: Langchain, Llamaindex, Langflow, Dify, Vllm, N8n, Ray, Airflow, Fastapi, Flask, Onnx Runtime, Mlflow

  • System Architecture: Agentic Rag, Multi-agent Orchestration, Real-time Voice Agents, Containerized Deployments, Serverless Inference With Aws Lambda And Gcp Functions, Hugging Face Inference Endpoints

  • Data Engineering & Processing: Pandas, Polars, Spark, Dask, Postgresql, Mongodb, Redis, Pinecone, Weaviate, Firecrawl Api, Beautifulsoup, Scrapy, Prodigy, Label Studio

  • Cloud & Devops: Aws (Ec2, S3, Lambda), Gcp, Azure, Docker, Kubernetes, Github Actions, Terraform, Prometheus, Grafana, Opentelemetry, Rbac, Audit Logging

  • Mlops & Evaluation: Mlflow, Dvc, Model Monitoring, Drift Detection, Latency Profiling, Prompt Evaluation Workflows, A/b Testing, Ci/cd Automation For Ml Pipelines

  • Team Collaboration & Agile: Agile/scrum, Jira, Confluence, Figma, Code Reviews, Pair Programming, Technical Documentation, Mentorship, Design Handoff Collaboration

Languages

English
Advanced
Estonian
Advanced
Polish
Intermediate
Dutch
Elementary

Education

Sep 2009 - Jun 2012

University of Tartu

Bachelor’s Degree · Computer Science · Tartu, Estonia

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Silver based?

Silver is based in Tartu, Estonia.

What languages does Silver speak?

Silver speaks the following languages: English (Advanced), Estonian (Advanced), Polish (Intermediate), Dutch (Elementary).

How many years of experience does Silver have?

Silver has at least 12 years of experience. During this time, Silver has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 2 years and 6 months. Note that Silver may not have shared all experience and actually has more experience.

What roles would Silver be best suited for?

Based on recent experience, Silver would be well-suited for roles such as: Senior AI/ML Engineer, Full Stack Developer, Frontend Developer.

What is Silver's latest experience?

Silver's most recent position is Senior AI/ML Engineer at First Line Software.

What companies has Silver worked for in recent years?

In recent years, Silver has worked for First Line Software and Blazity.

Which industries is Silver most experienced in?

Silver is most experienced in industries like Information Technology (IT) and Real Estate.

Which business areas is Silver most experienced in?

Silver is most experienced in business areas like Information Technology (IT), Product Development, and Business Intelligence. Silver also has some experience in Research and Development (R&D).

Which industries has Silver worked in recently?

Silver has recently worked in industries like Information Technology (IT).

Which business areas has Silver worked in recently?

Silver has recently worked in business areas like Information Technology (IT), Product Development, and Research and Development (R&D).

What is Silver's education?

Silver holds a Bachelor in Computer Science from University of Tartu.

What is the availability of Silver?

Silver is immediately available full-time for suitable projects.

What is the rate of Silver?

Silver's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Silver?

To hire Silver, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

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Market avg: 490-650 €
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Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.