Eli Romm - Senior Backend Engineer

Q: Where is Eli based?

Eli is based in Berlin, Germany .

Q: What languages does Eli speak?

Eli speaks the following languages: German (Advanced), English (Advanced), Hebrew (Advanced), Russian (Advanced) .

Q: How many years of experience does Eli have?

Eli has at least 15 years of experience. During this time, Eli has worked in at least 8 different roles and for 14 different companies . The average length of individual experience is 1 year and 11 months . Note that Eli may not have shared all experience and actually has more experience.

Q: What is Eli's latest experience?

Eli's most recent position is Senior Backend Engineer at Bettermile .

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

In recent years, Eli has worked for Bettermile , KosmoTech , GoodBiteClub.com , Coachhub , and Zalando .

Q: Which industries is Eli most experienced in?

Eli is most experienced in industries like Information Technology (IT) , Transportation and Logistics , and Aerospace and Defense . Eli also has some experience in Retail , Advertising , and Fashion and Apparel .

Q: Which business areas is Eli most experienced in?

Eli is most experienced in business areas like Information Technology (IT) , Product Development , and Business Intelligence . Eli also has some experience in Project Management , Investments, M&A & Venture Capital , and Strategy and Planning .

Q: Which industries has Eli worked in recently?

Eli has recently worked in industries like Transportation and Logistics , Information Technology (IT) , and Professional Services .

Q: Which business areas has Eli worked in recently?

Eli has recently worked in business areas like Information Technology (IT) , Product Development , and Business Intelligence .

Recommended expert

Berlin, Germany

Experience

Sep 2023 - Present

2 years 7 months

Berlin, Germany

Senior Backend Engineer

Bettermile

Backend services development in Kotlin with Spring Boot using AWS CDK.
Design and architecture of new features.

Jan 2023 - Aug 2023

8 months

Co-Founder

KosmoTech

Implement MVP for a SaaS process management and communication tool for SMEs.

Aug 2022 - Jan 2023

6 months

Co-Founder

GoodBiteClub.com

Create a business and tech plan for a startup in the food industry.
Interact with investors and attempt to raise capital.

Jan 2022 - Jul 2022

7 months

Senior Data Engineer

Coachhub

Implementing data pipelines using airflow and redshift.
Introducing CI/CD using github actions and cloudformation.

Feb 2021 - Jul 2021

6 months

Senior Backend Engineer

Zalando

Development of a web app for warehouse operators in React.
Maintaining and developing Scala projects.
Rewriting backend services from Clojure to Kotlin.

May 2020 - Sep 2020

5 months

Senior Cloud Engineer

Mobimeo

Implementing Gdpr workflow in the datalake.
Working with Scala, Kotlin, Kafka, Athena and Airflow.
Setting up Airflow and migrating data pipelines into it

Feb 2020 - Mar 2020

2 months

Berlin, Germany

Senior Data Engineer

OLX

Building Data pipelines using Airflow and PrestoDb.

Jul 2019 - Dec 2019

6 months

Berlin, Germany

Lead Backend and DevOps Engineer

Siemens Mobility

Setting up a complete production environment from scratch in a Kubernetes environment and maintaining ELK stack, Prometheus, Grafana, Kong, MongoDB, PostgreSQL, InfluxDB.
Defining system architecture, setting up and managing CI/CD, logging and monitoring solutions.
Developing Java Spring Boot microservices.

May 2018 - Jun 2019

1 year 2 months

Berlin, Germany

Senior Data Engineer

OLX

Maintaining a Redshift deployment with 400 nodes with Spectrum Athena and Glue.
Designing and optimizing data pipeline processes, debugging and analysis of data processes.
Low level query optimization and parameter tweaking for improving performance.
Creating a data pipeline for converting raw GIS data into a modeled and optimized structure using Apache Airflow, and Elasticsearch and Grafana for monitoring.

Sep 2017 - Apr 2018

8 months

Berlin, Germany

Senior Software Engineer

Zalando

Implement user facing web application for item returns in React-Redux with Kotlin as backend.
Build a service that generates sitemaps for all Zalando’s webpages and services with performance and scalability, using Scala with Play framework on AWS.

Jan 2017 - Mar 2017

3 months

Berlin, Germany

Software Engineer

Geeny.io

Build a backend system for an IoT startup based on Scala and Akka cluster using AWS Lambda, DynamoDB, Redshift.
Analyze and debug production issues, provide full visibility and monitoring to the system.

Aug 2016 - Nov 2016

4 months

Berlin, Germany

Software Engineer

Springer

Migrate from an old Java J2E monolith architecture to Scala Play microservices.
Implement features for Springer’s online bookshop in Java and Scala.

Apr 2014 - May 2016

2 years 2 months

Berlin, Germany

Software Engineer

Gamegenetics

Develop a DSP and in particular a bidder in Scala; improve performance of realtime applications, analyze memory stack traces and profiler output.
Design and development of several Java applications.
Responsibility for defining Cassandra schema and solving related issues.
Introduce Redshift and use it extensively for ETL and data analysis processes; use Hadoop with PIG for big data analysis.
Configure Maven and Jenkins and create a continuous integration environment.

Nov 2011 - Dec 2012

1 year 2 months

Israel

Technical Leader

Gamescale

Design and development of a scalable and modular system from the first stage in a continuous integration environment.
Lead the project with development teams in Israel and abroad.
Responsibility for developing and designing servers, communication and data storage facilities.
Use Java and Scala languages as well as Cassandra, Redis and MySQL databases and a message queue.

Dec 2009 - Aug 2011

1 year 9 months

Israel

Software Engineer

Pageonce

Designing and developing high load multithreaded server side systems in Java using Spring on Tomcat.
Implementing POC for projects that became an integral part of the system.
Leading the MySQL field, taking care of performance issues, query optimization and schema definition.

Jul 2007 - Nov 2009

2 years 5 months

Israel

Software Engineer

Israeli Air Force

Design and development of command & control systems for the network communication field, written in Java and C++.
Extensive use of Oracle database and PL/SQL.

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (4.5 years), Transportation (2.5 years), Aerospace and Defense (2.5 years), Retail (2 years), Advertising (2 years), and Food and Beverage (0.5 years).

Information Technology

Transportation

Aerospace and Defense

Retail

Advertising

Food and Beverage

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (13.5 years), Product Development (8 years), Business Intelligence (4 years), Project Management (1 year), Investments and M&A (0.5 years), and Strategy (0.5 years).

Information Technology

Product Development

Business Intelligence

Project Management

Investments and M&A

Strategy

Skills

Programming: Java, Scala, Kotlin, Python
Databases: Postgres, Mysql, Postgis, Redshift, Dynamodb, Cassandra, Redis, Influxdb
Other: Kubernetes, Docker, Helm, Ci/cd, Jenkins, Airflow, Kafka, Elk, Prometheus, Grafana And More

Languages

German

Advanced

English

Advanced

Hebrew

Advanced

Russian

Advanced

Education

Oct 2011 - Dec 2013

Tel Aviv University

MBA · MBA · Tel Aviv-Yafo, Israel

Oct 2004 - Jul 2007

Tel Aviv University

BSc, Magna Cum Laude · Computer Science · Tel Aviv-Yafo, Israel

Certifications & licenses

AWS Certified Solutions Architect - Associate (SAA)

Profile

Created

March 2024

Last Update

March 2025

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Frequently asked questions

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

Where is Eli based?

Eli is based in Berlin, Germany.

What languages does Eli speak?

Eli speaks the following languages: German (Advanced), English (Advanced), Hebrew (Advanced), Russian (Advanced).

How many years of experience does Eli have?

Eli has at least 15 years of experience. During this time, Eli has worked in at least 8 different roles and for 14 different companies. The average length of individual experience is 1 year and 11 months. Note that Eli may not have shared all experience and actually has more experience.

What roles would Eli be best suited for?

Based on recent experience, Eli would be well-suited for roles such as: Senior Backend Engineer, Co-Founder, Senior Data Engineer.

What is Eli's latest experience?

Eli's most recent position is Senior Backend Engineer at Bettermile.

What companies has Eli worked for in recent years?

In recent years, Eli has worked for Bettermile, KosmoTech, GoodBiteClub.com, Coachhub, and Zalando.

Which industries is Eli most experienced in?

Eli is most experienced in industries like Information Technology (IT), Transportation and Logistics, and Aerospace and Defense. Eli also has some experience in Retail, Advertising, and Fashion and Apparel.

Which business areas is Eli most experienced in?

Eli is most experienced in business areas like Information Technology (IT), Product Development, and Business Intelligence. Eli also has some experience in Project Management, Investments, M&A & Venture Capital, and Strategy and Planning.