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Sebastian Arce DiazSA

Sebastian Arce Diaz

Civil Engineer - Construction Manager

€500/day
Fürth, DE
3-7 years
Project Management
Python (Programming Language)
Scheduling
Construction Management
Construction Supervision

Average response time: 1 hour

Freelancer profile translated to English.
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About Sebastian

I am a Civil Engineer and work as a construction supervisor on the general refurbishment GS5850 (Nuremberg–Regensburg) for DB InfraGO. In addition, I develop AI-powered tools that automate the most time-consuming processes in construction supervision and infrastructure project management.

My background combines two areas that rarely come together: many years of experience in construction supervision on German infrastructure projects and applied AI development with a focus on construction and railway projects.

What I Develop

AI tools under Ground2Tech Engineering:

Supplement & Contract Risk Analysis — automated review of supplements and VOB/B contracts from the client's perspective.
  • Positional assessment, generation of statements.
  • Live at risk.ground2tech.com.
Sleeper Detection — AI app for automatic damage detection and classification according to DB damage classes* (YOLOv11, Flutter). Field-validated on an active DB project.
AI Construction Site Report Generator — voice or text input
  • results in a structured DOCX report.
  • Live at report.ground2tech.com.
AI Construction Cost Calculation — DIN 276 cost estimation with confidence intervals and consistency check against submitted LV.
  • Under development.

What I Offer

- Development of AI tools for construction and infrastructure:
from specialist problem to functional prototype
- Computer vision pipelines: YOLOv11, ONNX, Flutter Mobile
- Backend: FastAPI, Python, Claude API, PyMuPDF
- Frontend: React, Vite, Tailwind CSS, Ant Design
- Technical supplement review and VOB/B contract analysis
- Automation of construction documentation processes
- Technical writing in German and English

Availability
Evenings and weekends | Remote | Project-based assignments
Digital and IT Services
Civil Engineering and Infrastructure
Rail and Public transport

  • Spanish

    Native or bilingual

  • German

    Fluent

  • English

    Fluent

Can work on-site
Fürth (up to 50km)

Experience

  • KMS IG AG
    Construction Supervisor (Bauüberwacher Bahn)
    CIVIL ENGINEERING
    August 2025 - Today (1 year)
    Nurnberg Lane, Moore County, NC, USA
    • - Actively involved in the construction supervision of infrastructure measures in the rail network according to VV BAU
    • - Participation in projects in the areas of track renewal, switch renewal, and structural engineering
    • - Coordination with contractors, asset managers, and DB partners
    • - Ensuring compliance with safety regulations, occupational safety, and operational procedures
    • - Documentation of construction progress and interim acceptance by the construction supervisor
    • - Participation in site meetings and technical coordination meetings
    Construction Supervision Project Management
  • DB InfraGO
    Project Engineer BSO/TSO (Building Construction)
    CIVIL ENGINEERING
    April 2024 - December 2025 (1 year and 8 months)
    Nuremberg, BY, Germany
    • • Lead the planning and execution of data center infrastructure projects supporting the digital railway initiative.
    • • Ensure compliance with technical regulations, budget constraints, and project
    timelines.
    • • Oversee the planning and execution of data centers, coordinating with multidisciplinary teams for successful project implementation.
    • • Manage contracts, procurement, and administrative processes to align with organizational objectives
    Project Management Construction Management
  • DB Netz AG
    Project Engineering KIB (Constructional Engineering)
    CIVIL ENGINEERING
    April 2021 - April 2024 (3 years)
    Germany
    • • Managed the development of railway bridges for the Karlsruhe-Basel expansion project from planning to execution.
    • • Supervised tendering processes, contractor selection, and contract management to optimize project efficiency.
    • • Ensured compliance with budget and quality standards through regular site visits and office-based oversight.
    • • Facilitated coordination between planners, contractors, and stakeholders to meet project milestones.
    Project Management Construction Management
Check out Sebastian's experience

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Education

  • Data Quality Text Mining with Python Ask Questions to Make Data-Driven Decisions Speexx German CEFR Level B2.2 Foundations: Data, Data, Everywhere
    Data Quality Text Mining with Python Ask Questions to Make Data-Driven Decisions Speexx German CEFR Level B2.2 Foundations: Data, Data, Everywhere
  • Master of Science - MS
    University of York
    2027
    Master of Science - MS
Check out Sebastian's education

Categories

  • Other