Job VC

About Us
Join
SIEMA TECH
, a cutting-edge software development company where innovation and technology unite to solve real-world problems. We are at the forefront of developing solutions that empower businesses and individuals worldwide. As we continue to expand, we are looking for a talented and driven
Data Engineer
to join our dynamic team and accelerate the growth of our high-load advertising technology platform.
The Role
As a Data Engineer at
SIEMA TECH
, you will play a crucial role in managing our massive datasets, designing scalable data pipelines, and implementing advanced solutions to power our real-time analytical capabilities. You will work closely with our software engineering, data analytics, and product management teams to transform raw, high-velocity data into actionable insights that drive our business forward.
What You Will Do

Design, build, and maintain scalable, high-performance data pipelines (ETL/ELT) to process billions of advertising events.

Develop real-time streaming architectures and batch processing workflows using modern Big Data tools.

Optimize data storage, querying performance, and cost management across cloud data warehouses.

Collaborate with cross-functional teams to integrate multiple data sources, clickstreams, and advertising logs into a unified lakehouse/warehouse environment.

Ensure data quality, reliability, and security across all data layers.

Requirements (Mandatory)

3+ years of experience
as a Data Engineer strictly within the
AdTech industry
(this is a hard requirement).

Proven track record of building and maintaining
large-scale data pipelines
(High-Volume & High-Load).

Advanced Python and SQL
skills (query optimization, complex transformations, and scripting).

Hands-on production experience with
Apache Spark
(PySpark/Scala) and
Apache Kafka
.

Deep experience with at least one major cloud platform (
AWS, Azure, or GCP
).

Strong experience working with modern cloud data warehouses such as
Snowflake, Google BigQuery, or Amazon Redshift
.

Strong background in processing
high-volume event, clickstream, or advertising data
.

English level: upper intermediate
and above.

Preferred / Nice to Have

Deep understanding of programmatic advertising ecosystems:
RTB, DSP, SSP, OpenRTB protocols, multi-touch attribution, or campaign performance analytics
.

Familiarity with orchestration and transformation tools like
Apache Airflow
and
dbt
.

Hands-on experience with containerization and orchestration using
Docker
and
Kubernetes
.

What We Offer

Opportunity to work with truly massive datasets (Petabyte-scale) and low-latency infrastructure.

Competitive compensation package based on your expertise.

Professional growth inside a high-tech product environment.

Flexible working hours and options for remote work.

Assistance (in the absence) in the registration of the IE (legal and accounting support).

The interview consists of 3 stages: introductory interview, technical interview/interview with the client,
technical
task.
If you are interested in this vacancy and meet the requirements, send your resume and motivation letter to our email. We look forward to welcoming you to our team!