CareerScanCareerScan
JobsCompanies
BlogContact
For Employers
Sign InRegister Free
CareerScanCareerScan

India's verified job platform connecting candidates directly with employers. 100% free applications with instant ATS resume scoring.

Chennai, Bengaluru & Hyderabad
Jobs by location
Jobs in ChennaiJobs in BengaluruJobs in HyderabadJobs in PuneJobs in Mumbai
Popular roles
AR Caller JobsHealthcare Medical CodingReact / Full Stack DeveloperData & Power BI AnalystCustomer Support Executive
Top companies
TCS CareersCognizant JobsInfosys OpeningsApollo HospitalsOmega Healthcare
Career services
Free ATS Resume CheckerAI Resume Builder (Free)AI Job MatcherSalary Guide & BenchmarksJob Alerts on WhatsApp
© 2026 CareerScan India. All rights reserved.256-bit SSL encrypted & verified
Back to all jobs
  1. Home
  2. Jobs
  3. Senior Data Engineer
S
Sigmasoftware2

Senior Data Engineer

Warsaw, Masovian Voivodeship, pl
5+ years exp
Full-time
Posted 2d ago
0 views
Actively Hiring Urgent Opening Direct 1-Click Apply

Check Your Resume Match Score

Scan your resume against ATS criteria for this Senior Data Engineer role at Sigmasoftware2.

Apply for this position

Apply on Company Website
Notice a broken link or wrong info?

Job Description

  • Write and defend diagnostic SQL queries against large-scale production datasets
  • Build and maintain ingestion pipelines for bid, win, and impression logs into BigQuery
  • Harmonize fields across independently designed datasets and maintain versioned field mappings
  • Develop point-in-time-correct feature tables and aggregation pipelines
  • Design and maintain conversion and labeling pipelines with delayed label handling
  • Own the data serving write path, schema contracts, publishing flows, and freshness SLOs
  • Build experimentation infrastructure including traffic splitting and reporting pipelines
  • Perform large-scale historical backfills and safe reprocessing after mapping changes
  • Implement data isolation and safe-aggregation controls for advertiser data protection
  • Develop automated data quality validation frameworks
  • Collaborate closely with Customer engineers and prepare operational documentation
  • Contribute to architecture discussions and platform scalability improvements
  • 5+ years of experience in Data Engineering
  • At least 2 years of experience working with production ML or large-scale analytics pipelines
  • Expert-level SQL skills including window functions and incremental processing patterns
  • Strong Python skills for production-grade pipeline development
  • Hands-on experience with Spark or PySpark
  • Experience designing ETL / ELT pipelines with Airflow, Cloud Composer, Dagster, or similar tools
  • Experience working with cloud data warehouses at scale, preferably BigQuery
  • Strong understanding of data modeling and point-in-time correctness
  • Experience working with event-driven or clickstream datasets at very large scale
  • Experience supporting business-critical production pipelines
  • Upper-Intermediate English level or higher

WILL BE A PLUS

  • Experience with GCP services including Dataflow, Pub/Sub, GCS, and Beam
  • Experience building streaming or near-real-time ingestion systems
  • Understanding of feature stores, train/serve skew, and label leakage prevention
  • Experience in AdTech or auction-based environments
  • Experience handling delayed or incomplete labels in ML systems
  • Experience with dbt or similar transformation frameworks
  • Experience delivering solutions into Customer-owned infrastructure
  • Knowledge of GDPR/CCPA-related privacy engineering practices
  • Experience with experimentation infrastructure and statistical validation pipelines
  • Experience working in hybrid cloud/on-prem Linux environments
  • Terraform and Kubernetes experience
  • Experience optimizing warehouse cost and performance

PERSONAL PROFILE

  • Strong analytical and problem-solving skills
  • Ownership-oriented mindset
  • Ability to work independently in a client-facing environment
  • Strong communication and documentation skills
  • Comfortable working in a fast-paced engineering environment
  • Collaborative and proactive attitude

Frequently Asked Questions

How to apply for Senior Data Engineer at Sigmasoftware2?

Click the "Apply on Company Website" button on this page to submit your application directly on the employer's official portal.

What is the salary for this role?

Salary details will be discussed during the interview.

What experience is required?

5+ years of experience is required.

Is this position still open?

Yes, currently active and accepting applications.

ApplicationActively Hiring
Apply on Company Website
Broken link or expired?
S

Sigmasoftware2

More jobs at Sigmasoftware2

Middle Typescript/Node.js Developer with AI experience (AdTech)

Wrocław, Lower Silesian Voivodeship, pl

Senior Test Engineer (Enterprise Heat Project)

Lviv, Lviv Oblast, ua

Sound Producer

Kyiv, Kyiv city, ua

Share this Opening

Job Alerts for data_engineering

Receive email alerts whenever new data_engineering roles in Warsaw are posted.

Set Free Alert →

Similar Openings

Explore related active roles in data_engineering

View all
UrgentActively Hiring
Momentum Financial Services Group
Lead Data Engineer
Momentum Financial Services Group Verified
10+ years
Salary not disclosed
Hyderabad (Remote)
data_engineeringFull-timeRemote
Posted 20h ago
Apply Now
UrgentActively Hiring
aecom2
Data Engineer
aecom2 Verified
0-2 Yrs
₹111/mo
Bristol, 3 RIVERGATE, gb
data_engineeringFull-time
Posted 20h ago
Apply Now
UrgentActively Hiring
Magnals
Lead Data Engineer
Magnals Verified
5+ years
₹10.7L – ₹12.1L/mo
Remote
data_engineeringFull-timeRemote
Posted 20h ago
Apply Now

Senior Data Engineer

Sigmasoftware2 · Warsaw

Apply on Company Website