Summary:- Seasoned Data Engineering Architect with over 10 years of experience in optimizing projects, data pipelines and data cost. Obsessed with cost optimization, vast experience with project leadership. Skilled in managing and leading large-scale data projects, focusing on cost, quality, timelines, integrity, efficiency. Proficient in a broad spectrum of tools and platforms demonstrating adaptability in various data ecosystems and environments.Key Achievements:• Optimized various data pipelines and processes, achieving performance increases between 2x to 100x.• Spearheaded projects resulting in over ~$20M in AWS cost savings (over a 5-year period) through various optimization techniques.Skills:Scala, Spark, AWS, Akka, Docker, Kubernetes, Python, Kafka, Redshift, Postgres, Snowflake, Dataiku, Thoughtspot, Databricks, DBT, Airflow, Looker, Superset, PowerBI, Tableau, Nifi, PySpark, Spring Boot, Elasticsearch, Whisper models and NVIDIA GPUs.
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OwnerFunctor Jan 2018 - PresentNew York , Us• Operate on a C2C contract basis.• The company is focused on helping other companies cut cost and optimize (in the data domain).• Created DataSliv, a cost-effective data lake infrastructure specifically designed to reduce expenses and cut costs by orders of magnitude compared to traditional cloud solutions like AWS, Azure or GCP -
Fractional CtoLumascale Apr 2021 - Present• Directed product strategy, architecture, and system design with a keen focus on effective resource allocation, roadmap planning, and deadline enforcement.• Led key data migration projects, centralizing data, ensuring clear project scope, adherence to data privacy and security regulations, and continuous stakeholder communication.• Managed the data team at external vendors, emphasizing process effectiveness, and smooth project delivery.• Led ISO27001 control implementation with ISO27701 Data Privacy requirements for GDPR compliance for several customers. -
Fractional Data Engineering Architect And Ai Consultant387Labs Mar 2023 - PresentNyc, UsPart time consultant in all things Machine Learning, AI, Data engineering, MLOps. -
Software And Ml Engineer - Vendor ContractorHarvard Business School Jul 2023 - Dec 2023Boston, Ma, Us -
Data Engineering Architect - Vendor ContractorZoox Apr 2022 - Mar 2023Foster City, California, UsData Engineering and architecture:• Built various ETL jobs for dozens of stakeholders.• Oversaw the creation and optimization of ETL jobs, achieving 90% performance improvement in some pipeline components.• Guided the team in best practices for Spark job execution via Databricks, emphasizing data integrity and efficiency.• Architecture and system design of a specific part of the data infrastructure.Skills and tools:Databricks, DBT, Airflow, Spark, Scala, Python, Looker, Kafka, Redshift, AWS, PySpark, Bazel, Terraform -
Data Engineering Architect - Vendor ContractorApple Jan 2022 - Mar 2022Cupertino, California, UsData Engineering and architecture contract consultant:• Designed and implemented data pipelines tailored for specific use-cases, with a focus on efficient data management.• Collaborated closely with stakeholders to identify and address data needs.Skills and tools:Snowflake, Dataiku, Thoughtspot, Postgres -
Data EngineerMint Oct 2019 - Dec 2021New York, Ny, Us• Progressed from Senior Data Engineer to a pivotal role, aligning business strategies with data insights.• Pioneered components of a critical data pipeline serving global corporate clients.• Developed Scala web applications and led various Apache Spark ETL projects.Skills:Scala, Akka, Akka Streams, Python, Spark, PySpark, Postgres, Timeshift, Tigergraph, MongoDB, Docker, Kubernetes, Apache Nifi, Apache Camel, Java, Spring Boot, AWS services such as AWS Glue, Athena, EMR, EC2.Ansible, Terraform. -
Data EngineerSecuritytrails Jan 2018 - Sep 2019Los Angeles, California, UsWorked as a Data Engineer, primarily in Scala.• Produced high-performance Apache Spark ETL jobs, handling terabytes of data.• Collaborated with CTO and analytics teams to design and implement tailored data solutions. -
Scala Software EngineerSdu May 2016 - Dec 2017The Hague, South Holland, Nl• Developed scalable microservices using Scala, Play, and Akka.• Mentored team members and streamlined project workflows.Other tools and technologies used: Ansible, ELK stack (Elasticsearch, FluentD(instead of Logstash) and Kibana), Jenkins CI, Git, Jira, Confluence, Scrum. -
Software EngineerNovalite Oct 2015 - Dec 2017Novi Sad, Rs• Delivered secure, robust applications for diverse clients, including a bank-specific Dropbox alternative.• Collaborated closely with SDU, Netherlands on various projects.Tools and technologies used: Java 8, Spring Boot, PostgreSQL, Protobuf, Angular.js, Docker, Git, Scrum. -
Linux/Windows System AdministratorDin&Co May 2005 - Oct 2015• Maintained hardware/software on a network of systems.• Conducted training sessions for employees, emphasizing best practices.
Dejan D. Skills
Dejan D. Education Details
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Faculty Of Technical Sciences, University Of Novi SadComputer Science And Electrical Engineering -
Jovan Jovanovic Zmaj High School
Frequently Asked Questions about Dejan D.
What company does Dejan D. work for?
Dejan D. works for Functor
What is Dejan D.'s role at the current company?
Dejan D.'s current role is Owner @ Functor || Data Engineering and AI/ML.
What schools did Dejan D. attend?
Dejan D. attended Faculty Of Technical Sciences, University Of Novi Sad, Jovan Jovanovic Zmaj High School.
What skills is Dejan D. known for?
Dejan D. has skills like Scala, Play Framework, Akka, Linux, Git, Java, Spring Framework, Mongodb, Elasticsearch, Logstash, Kibana, Sql.
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