Sebastian Schkudlara - AI Engineer

Q: Where is Sebastian based?

Sebastian is based in Rinteln, Germany .

Q: What languages does Sebastian speak?

Sebastian speaks the following languages: German (Native), Polish (Native), English (Advanced), Spanish (Advanced) .

Q: How many years of experience does Sebastian have?

Sebastian has at least 12 years of experience. During this time, Sebastian has worked in at least 5 different roles and for 6 different companies . The average length of individual experience is 2 years . Note that Sebastian may not have shared all experience and actually has more experience.

Q: What is Sebastian's latest experience?

Sebastian's most recent position is AI Engineer at Babel Group .

Q: What companies has Sebastian worked for in recent years?

In recent years, Sebastian has worked for Babel Group , TRAYLINX , Monodon (Navantia) , and ChainGO .

Q: Which industries is Sebastian most experienced in?

Sebastian is most experienced in industries like Transportation , Information Technology , and Aerospace and Defense . Sebastian also has some experience in Insurance .

Q: Which business areas is Sebastian most experienced in?

Sebastian is most experienced in business areas like Information Technology , Product Development , and Supply Chain Management . Sebastian also has some experience in Research and Development and Business Intelligence .

Q: Which industries has Sebastian worked in recently?

Sebastian has recently worked in industries like Transportation , Information Technology , and Aerospace and Defense .

Q: Which business areas has Sebastian worked in recently?

Sebastian has recently worked in business areas like Information Technology , Product Development , and Supply Chain Management .

Recommended expert

Rinteln, Germany

Experience

Jun 2024 - Dec 2024

7 months

Spain

AI Engineer

Babel Group

Developed RAG-based AI solutions integrated with enterprise data infrastructure for high-accuracy responses.
Optimized LLM performance, reducing latency and cost with fine-tuned AI models.
Built NLP pipelines for summarization, entity extraction, and sentiment analysis, enhancing automation workflows.

Jan 2024 - Present

2 years 4 months

Freelance Developer | Product Architect

TRAYLINX

Architected and engineered an AI request-routing proxy, dynamically selecting models based on cost, latency, and performance.
Unified API integrations across leading LLM providers (OpenAI, Anthropic, Google AI Studio, Mistral, Hugging Face) and custom local models, optimizing cost-efficiency by 30%.
Designed and built an open-source protocol replacing traditional CVs with AI-agent-readable Skill Cards, enabling candidates to own and control their career data.
Engineered a multi-agent recruitment platform using a resilient, event-driven architecture built on AWS SNS/SQS.
Built a marketplace for autonomous AI agents specializing in data analysis, content generation, and multi-step workflow automation.
Designed RAG-based systems to reduce hallucinations and increase accuracy in complex retrieval tasks.
Developed an advanced data ingestion tool feeding RAG pipelines and AI agents by integrating headless Chrome, OCR, and Vision AI to convert URLs, PDFs, and unstructured documents into clean, agent-readable Markdown and specialized AI Skill Bundles.
Developed a production-grade Ruby Gem for Google's Agent-to-Agent protocol, supporting JSON-RPC 2.0, gRPC, and OAuth 2.0/JWT/mTLS security layers.
Designed a high-security authentication microservice supporting social logins, 2FA/OTP, and specialized Agent-to-Agent flows with AES-256-GCM encryption.

Jul 2023 - Apr 2025

1 year 10 months

Spain

Deeptech AI Specialist

Monodon (Navantia)

Architected and implemented advanced retrieval-augmented generation (RAG) systems for Navantia's deeptech innovation unit, enhancing data retrieval accuracy for strategic R&D projects.
Led model fine-tuning initiatives for specialized AI applications, optimizing performance for complex, high-stakes industrial use cases.
Collaborated with cross-functional teams to integrate AI solutions into Navantia's core technology stack, driving innovation in maritime and defense sectors.

Feb 2019 - Jul 2024

5 years 6 months

Spain

Head of Development

ChainGO

Pioneered AI-driven automation in logistics and shipping, reducing operational inefficiencies.
Built microservices-based document processing system (docBlox), integrating AI and blockchain.
Developed the eBL Platform to digitize the Bill of Lading process using Polygon blockchain.
Implemented ForestChain Digital Passport, a blockchain system for forest product traceability.

May 2017 - Dec 2018

1 year 8 months

United States

Head of Development

Agentero

Grew development team from 1 to 15 engineers and established Kubernetes-based infrastructure with CI/CD pipelines.
Built real-time event-driven analytics for insurance risk analysis, delivering a scalable backend.

May 2014 - May 2017

3 years 1 month

Spain

Backend Engineer

Vizzuality

Developed environmental data APIs for large-scale data visualization.
Unified diverse datasets with a microservices-based architecture, improving data accessibility globally.

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Transportation, Aerospace and Defense, and Insurance.

Information Technology

Transportation

Aerospace and Defense

Insurance

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, Supply Chain Management, Research and Development, and Business Intelligence.

Information Technology

Product Development

Supply Chain Management

Research and Development

Business Intelligence

Summary

Senior Backend Architect turned Agentic Al Infrastructure specialist - 19+ years building distributed systems, now designing the tools and protocols that make autonomous Al agents work in production: routing proxies, P2P agent networks, A2A communication layers, and RAG pipelines engineered for scale.

Proficient in Kubernetes, AWS/GCP, FastAPI, LangChain, PydanticAI, RAG workflows, Python-based Al frameworks, and Ruby on Rails API development to deliver robust, cost-effective, and scalable platforms.

Skills

Core Tech

Ruby (Rails)
Python
Fastapi
Postgresql
Redis
Typescript
Node.js
React

Ai & Data Architecture

Agentic Al Architecture
Microservices
Multi-agent Orchestration
Tool Calling & Routing
Mcp
Langchain
Pydantical
Event-driven (Kafka/rabbitmq)
Kubernetes
Docker
Aws
Gcp
Prompt Engineering

Special Abilities

Hyper-productivity: Rapid Prototyping, Tdd, & Deployment
Team Buff: Mentorship, Team Building, & Technical Leadership

Toolbelt & Inventory

Databases: Mongodb, Neo4j, Mysql, Sqlite, Memcached, Elasticsearch
Devops & Scripting: Bash/shell, Ansible, Terraform, Github Actions, Prometheus, Grafana
Al Frameworks: Langchain, Langgraph, Pydanticai, Hugging Face, Openai Api, Anthropic Api, Gemini Api
Architecture: Rest, Graphql, Grpc, Json-rpc, Oauth 2.0, Websocket
Blockchain (Secondary): Polygon, Ethereum, Solidity, Hyperledger, Hedera, Chainlink, Stellar

Core Competencies – Al & Agentic Development

Llm Integration: Openai, Anthropic, Google Al Studio, Mistral, Deepseek, Alibaba Cloud, Nvidia Nim, Hugging Face, Open Source And Custom Models Including Local Models Environments
Rag Pipelines: Retrieval-augmented Generation For High-accuracy Al Responses
Al Orchestration: Agent-based Automation With Pydanticai, Langchain, Hugging Face, And Custom Multi-agent Systems
Vector Databases: Pinecone, Chromadb, And Pgvector For Semantic Search And Al Memory

Core Competencies – Microservices & Devops

Cloud & Containerization: Kubernetes, Docker, Terraform, Aws, Gcp, Azure
Event-driven Systems: Kafka, Rabbitmq, Aws Sqs/sns, Pub/sub, Sidekiq, Shoryuken
Ci/cd & Infrastructure As Code: Automated Deployments With Github Actions, Comprehensive Observability (Prometheus, Grafana)

Core Competencies – Backend Engineering & Data

Api Development: Fastapi, Ruby On Rails, Restful, Graphql, Grpc & Json-rpc Apis
Real-time Data Processing: Redis, Memcached, Streaming Analytics
Database Expertise: Postgresql (With Pgvector), Mongodb, Neo4j – Optimized For Al And Event-driven Workloads

Core Competencies – Leadership & Consulting

Engineering Team Scaling: Agile Methodologies, Sprint Planning, Remote Collaboration
Al Strategy & Consulting: Al-driven Automation, Business Intelligence Integration
Mlops & Model Lifecycle Management: Continuous Retraining, Performance Optimization

Languages

German

Native

Polish

Native

English

Advanced

Spanish

Advanced

Education

TU Berlin

Berlin, Germany

Statistics

Experience

Total positions 6

Experience in Information Technology 5.5 y

Avg length 2 y 5 m

Longest experience 5 y 5 m

Global Experience

Countries worked in 2 (Spain, United States)

Primary country Spain

Expertise

Recent roles AI Engineer, Freelance Developer | Product Architect, Deeptech AI Specialist

Main industries Information Technology, Transportation, Aerospace and Defense

Main business areas Information Technology, Product Development, Supply Chain Management

Profile

Created

April 2026

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Frequently asked questions

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

Where is Sebastian based?

Sebastian is based in Rinteln, Germany.

What languages does Sebastian speak?

Sebastian speaks the following languages: German (Native), Polish (Native), English (Advanced), Spanish (Advanced).

How many years of experience does Sebastian have?

Sebastian has at least 12 years of experience. During this time, Sebastian has worked in at least 5 different roles and for 6 different companies. The average length of individual experience is 2 years. Note that Sebastian may not have shared all experience and actually has more experience.

What roles would Sebastian be best suited for?

Based on recent experience, Sebastian would be well-suited for roles such as: AI Engineer, Freelance Developer | Product Architect, Deeptech AI Specialist.

What is Sebastian's latest experience?

Sebastian's most recent position is AI Engineer at Babel Group.

What companies has Sebastian worked for in recent years?

In recent years, Sebastian has worked for Babel Group, TRAYLINX, Monodon (Navantia), and ChainGO.

Which industries is Sebastian most experienced in?

Sebastian is most experienced in industries like Transportation, Information Technology, and Aerospace and Defense. Sebastian also has some experience in Insurance.

Which business areas is Sebastian most experienced in?

Sebastian is most experienced in business areas like Information Technology, Product Development, and Supply Chain Management. Sebastian also has some experience in Research and Development and Business Intelligence.

Which industries has Sebastian worked in recently?

Sebastian has recently worked in industries like Transportation, Information Technology, and Aerospace and Defense.

Which business areas has Sebastian worked in recently?

Sebastian has recently worked in business areas like Information Technology, Product Development, and Supply Chain Management.

What is Sebastian's education?

Sebastian attended TU Berlin.

What is the availability of Sebastian?

Sebastian is immediately available full-time for suitable projects.

What is the rate of Sebastian?

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