Nikola R.

Nikola R.

Senior Software Engineer

Belgrade, Serbia
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About Me

Nikola is a highly skilled ML expert with over eight years of experience. He has extensive knowledge in various business and data domains. He has worked on a wide range of projects, from training cutting-edge models for startups to delivering solutions for industry leaders. Nikola has worked for more than a dozen companies from disruptive startups to industry leaders on problems that range from disrupting human trafficking networks using LLMs to implementing optimized DSP and ML kernels in C. He is a member of the elite freelancing platform Toptal.

AI Programming Artificial Intelligence (AI) Computer Vision Data Visualization Deep Learning Deep Neural Networks Github Machine Learning Matlab Natural Language Processing (NLP) 5 years Numpy Pandas Python 8 years Seaborn Tensorflow Large Language Models (LLMs) SQL Docker Kubernetes Pytorch C++

Work history

Carrier
R&D ML Engineer
2023 - Present (1 year)
Remote

• Implemented data science and MLOps processes for data exploration, model development, deployment, inference, monitoring, and retraining. • Conducted research to discover use cases in energy optimization and predictive maintenance leveraging ML. • Assisted other data science teams in transitioning their models from development to production. • Developed models focused on predicting and optimizing energy usage. • Facilitated the deployment process of data models from development stages to production environments. • Established frameworks for continuous monitoring and periodic retraining of deployed models. • Collaborated with various departments to ensure data science initiatives aligned with organizational goals. • Created predictive maintenance models to enhance equipment efficiency and minimize downtime.

PythonArtificial IntelligenceReinforcement Learning
Giant Panda
Sr AI Engineer
2023 - 2023
Remote

• Lead the development of earning forecast models for several publicly-traded companies based on a proprietary • Achieved superior accuracy compared to publicly available analyst estimates • Closely collaborated with the business team and domain experts to perform meaningful data analysis and feature engineering for the problem of earnings forecasting • Developed automatized retraining and inference pipelines for future fiscal quarters for ease of use

Stop the Traffik
Lead AI Engineer (Volunteer)
2023 - 2023
Remote

• Lead the development of several NLP models that extract human trafficking and modern human slavery-relevant information from news data sources • Developed several NLP models for text classification and tagging • Closely collaborated with the business team, product owners, other tech teams, and data labelers to ensure the alignment between AI technology and other business operations. • Fine-tuned an LLM for MHSHT domain • Developed robust training and inference pipelines, provided documentation so that the organization can continue to improve the AI models with minimal technical knowledge • Integrated the AI models into the organization’s Traffick Analysis Hub to enable its users to leverage the power of AI to monitor MHSHT activities in real time. Tech stack: Python, pytorch, huggingface, OpenAI-API, transformers, IBM Cloud, Docker, Kubernetes, MongoDB, NLP, NLU, LLMs

PythonPytorchOpenAI API MongoDBNLPLarge Language Models (LLMs) DockerKubernetes
Signaloid Limited
Data Scientist
2022 - 2023 (1 year)
Remote

• Lead the implementation of a Bayesian Spatiotemporal-Aware Climate Model Ensembling Method for a specialized hardware platform in C • Supported the compiler team in the development of specialized routines for Bayesian inference by performing hardware-specific analysis of neural networks • Contributed to DSP and ML library for a specialized CPU with the implementation of complex algorithms like Radix-2 FFT, Levenberg-Marquardt algorithm, non-linear least squares optimization, IIR filter design procedure, and filtering, and others. • Improved an existing signal processing pipeline for underwater cable displacement in MATLAB • Ported the said algorithm from MATLAB to C for a specialized hardware platform and optimized its performance

Law of the Jungle Pty Limited
Data Scientist & NLP Processing Engineer
2021 - 2022 (1 year)
    HTEC Group
    Lead Machine Learning Engineer | Project Manager
    2018 - 2021 (3 years)
      Freelancer
      ML Engineer
      2017 - 2018 (1 year)
        HTEC Group
        Senior ML Engineer
        2016 - 2018 (2 years)
          HTEC Group
          ML Engineer
          2014 - 2016 (2 years)
            Stop the Traffik
            Data Scientist
            Present (2024 years)
              Site Matrix, LLC
              ML Developer
              Present (2024 years)

                Education

                Education
                Bachelor of Arts in Electrical Engineering
                University of Belgrade
                2010 - 2014 (4 years)