Hedi Elfkir - AI Engineer for Medical Imaging Systems

Recommended expert

Ankara, Turkey

Check rate

Experience

Dec 2024 - Present

1 year 9 months

Ankara, Turkey

AI Engineer

Oteo Teknoloji

Shipped a high-throughput video analytics platform handling 300+ surveillance streams (YOLO, MMDetection), ingesting 2TB+ daily with 24/7 reliability.
Served TensorRT-optimized models via NVIDIA Triton with dynamic batching; sub-100ms latency behind Dockerized REST services.
Instrumented Prometheus/Grafana dashboards (GPU utilization, throughput, tail latency) to reduce downtime by 40%.
Built SAM2+CVAT annotation workflow for rapid dataset bootstrapping from long-form video.
Led clinician-in-the-loop prototyping for CTA aneurysm detection; managed experiments on a self-hosted MLflow.

Jul 2022 - Sep 2022

3 months

Research Fellow

Koç University

Introduced DINO-based ViT matching loss for Pix2Pix, achieving 20% faster convergence with improved fidelity.

Apr 2022 - Jun 2024

2 years 3 months

Ankara, Turkey

AI Engineer — TÜBİTAK 1501: Brain MR

Titra Teknoloji

Customized ResUNet++ for volumetric segmentation on 3D TOF-MRA; pipelines with PyTorch, MONAI, TorchIO.
Standardized MR processing with NiBabel, SimpleITK, MedPy (normalization, resampling, skull stripping).
Trained with AMP and cross-validation; achieved 85% sensitivity with 0.4 false positives per patient.
Experiment tracking and hyperparameter tuning via TensorBoard and Weights & Biases.

Mar 2022 - Jun 2024

2 years 4 months

Research Fellow

Hacettepe University

ST360IQ: Spherical ViT-based no-reference IQA for 360°; PLCC up to 0.98, SRCC up to 0.97; ATSAL integration boosted metrics +2–3%, -20% runtime.
LGT360IQ: Local–global transformer with adaptive token selection; -17M params, +2% PLCC/SRCC across multiple benchmarks.

Sep 2021 - Dec 2021

4 months

San Francisco, United States

AI Engineer Intern — Spine Implant Classification

Launchpad AI

Built DETR-based localize+CNN classify pipeline in PyTorch for implant identification from X-rays; reduced manual workload by 43%.
Robust preprocessing using OpenCV/Albumentations; reporting with TensorBoard/Jupyter.

Industry Experience

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

Experienced in Healthcare, Education, and Information Technology.

Healthcare

Education

Information Technology

Business Area Experience

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

Experienced in Information Technology, Product Development, and Research and Development.

Information Technology

Product Development

Research and Development

Skills

Programming: Python, C++, Java
Mlops: Docker, Nvidia Triton, Tensorrt, Rest Apis
Ml/Dl: Pytorch, Tensorflow, Monai, Torchio, Vision, Mlflow, Tensorboard, W&B
Transformers/Detection: Transformers, Yolo, Mmdetection
Ops/Monitoring: Prometheus, Grafana
Cv/Imaging: Opencv, Simpleitk, Nibabel, Medpy, 3d Slicer, Cvat, Sam2

Languages

Arabic

Native

French

Native

English

Advanced

Turkish

Advanced

Education

Sep 2020 - Jun 2024

Hacettepe University

B.Sc. in Computer Engineering · Computer Engineering · Ankara, Turkey · 3.55/4.00

Statistics

Experience

Total positions 5

Experience in Healthcare 4 y

Avg length 1 y 4 m

Longest experience 2 y 3 m

Global Experience

Countries worked in 2 (Turkey, United States)

Primary country Turkey

Expertise

Recent roles AI Engineer, Research Fellow, AI Engineer — TÜBİTAK 1501: Brain MR

Main industries Healthcare, Education, Information Technology

Main business areas Information Technology, Product Development, Research and Development

Qualifications

Highest degree Bachelor

Profile

Created

November 2025

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Frequently asked questions

Have questions? Find more information here.

Hedi is based in Ankara, Turkey.

Hedi speaks the following languages: Arabic (Native), French (Native), English (Advanced), Turkish (Advanced).

Hedi has at least 4 years of experience. During this time, Hedi has worked in at least 4 different roles and for 5 different companies. The average length of individual experience is 1 year and 10 months. Note that Hedi may not have shared all experience and actually has more experience.

Based on recent experience, Hedi would be well-suited for roles such as: AI Engineer, Research Fellow, AI Engineer — TÜBİTAK 1501: Brain MR.

Hedi's most recent position is AI Engineer at Oteo Teknoloji.

In recent years, Hedi has worked for Oteo Teknoloji, Koç University, Titra Teknoloji, Hacettepe University, and Launchpad AI.

Hedi is most experienced in industries like Healthcare, Education, and Information Technology.

Hedi is most experienced in business areas like Research and Development, Information Technology, and Product Development.

Hedi holds a Bachelor in Computer Engineering from Hacettepe University.

Hedi is immediately available full-time for suitable projects.

Daily Rate Distribution

0 1 2 3 4

<€320 €320-480 €480-640 €640+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

600

450

300

150

Daily rate avg. 501 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

600

450

300

150

Median rate 440 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.