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Software Engineer with Data (Senior) @ VirtusLab
  • Kielce
Software Engineer with Data (Senior) @ VirtusLab
Kielce, Kielce, Swietokrzyskie, Polska
VirtusLab
21. 5. 2025
Informacje o stanowisku

We are #VLteam – tech enthusiasts constantly striving for growth. The team is our foundation, that’s why we care the most about the friendly atmosphere, a lot of self-development opportunities, and good working conditions. Trust and autonomy are two essential qualities that drive our performance. We simply believe in the idea of ​​“measuring outcomes, not hours”. Join us & see for yourself!

Project: Apollo Data Platform

Project Scope

Our client is a NASDAQ-listed company that provides a range of solutions to support Go-To-Market (GTM) strategies. They offer a comprehensive B2B database platform that enables sales and marketing professionals to identify, connect with, and engage qualified prospects effectively. The core mission of our client is to equip every company with a complete, 360-degree view of their ideal customer, enhancing every phase of their GTM strategy and boosting their success in achieving business targets.
As a Data Platform Engineer, youll lead a small engineering team in an R&D setting and play a crucial role in designing, implementing, and deploying elements of a Data Platform for our customer. We seek an experienced software engineer skilled in developing large-scale data pipelines/systems with strong problem-solving abilities. Youll lead innovation, swiftly test and validate new concepts, and integrate them ensuring team collaboration.

Tech Stack

Java, Beam, Spark, Kafka, Airflow, Presto, AWS and GCP (Dataflow, Dataproc/EMR, Cloud Function/Lambda, BigQuery, BigTable), Python

Challenges

  • Design, build, and operate highly scalable and flexible systems that can manage and process billions of records a day and support complex and diversified data pipelines
  • Leverage cloud computing architectures to support development needs
  • Track and identify relevant new technologies in the market and push their implementation into our pipelines through research and prototyping
  • Develop processes and tools to monitor, analyze, maintain, and improve data operation, performance, and usability

Team

Currently, there are 7 engineers from VL working there in 2 subteams. The team is primarily based in the US and Israel



What we expect in general

  • Software Engineering experience in data platform/big data software, with a proven track record of delivering highly scalable and efficient solutions
  • Substantial experience with Java 8+ (preferred), Scala or Python
  • Experience with streaming/data processing technologies such as Beam, Spark, Kafka, Airflow, HBase, Presto
  • Experience in building enterprise-grade software in a cloud-native environment (GCP or AWS) using cloud services
  • Experience in leading initiatives like building technical roadmaps, and planning or leading architectural designs, preferably in the enterprise setting
  • Familiarity with designing CI/CD pipelines with Jenkins, Github Actions, or similar tools (nice to have)
  • Experience with Kubernetes using GKE/EKS (nice to have)
  • Experience with SQL (nice to have)
  • Experience with Graph and Vector databases or processing frameworks (nice to have)
  • Excellent communication skills and a pragmatic approach to problem-solving


Don’t worry if you don’t meet all the requirements. We are looking for mature engineers who are transitioning/navigating between Software Engineering and Data domains. This is a customer-facing role, often requiring interactions with stakeholders or multiple teams (presentations, design docs, coordinating interactions).

We are #VLteam – tech enthusiasts constantly striving for growth. The team is our foundation, that’s why we care the most about the friendly atmosphere, a lot of self-development opportunities, and good working conditions. Trust and autonomy are two essential qualities that drive our performance. We simply believe in the idea of ​​“measuring outcomes, not hours”. Join us & see for yourself!

Project: Apollo Data Platform

Project Scope

Our client is a NASDAQ-listed company that provides a range of solutions to support Go-To-Market (GTM) strategies. They offer a comprehensive B2B database platform that enables sales and marketing professionals to identify, connect with, and engage qualified prospects effectively. The core mission of our client is to equip every company with a complete, 360-degree view of their ideal customer, enhancing every phase of their GTM strategy and boosting their success in achieving business targets.
As a Data Platform Engineer, youll lead a small engineering team in an R&D setting and play a crucial role in designing, implementing, and deploying elements of a Data Platform for our customer. We seek an experienced software engineer skilled in developing large-scale data pipelines/systems with strong problem-solving abilities. Youll lead innovation, swiftly test and validate new concepts, and integrate them ensuring team collaboration.

Tech Stack

Java, Beam, Spark, Kafka, Airflow, Presto, AWS and GCP (Dataflow, Dataproc/EMR, Cloud Function/Lambda, BigQuery, BigTable), Python

Challenges

  • Design, build, and operate highly scalable and flexible systems that can manage and process billions of records a day and support complex and diversified data pipelines
  • Leverage cloud computing architectures to support development needs
  • Track and identify relevant new technologies in the market and push their implementation into our pipelines through research and prototyping
  • Develop processes and tools to monitor, analyze, maintain, and improve data operation, performance, and usability

Team

Currently, there are 7 engineers from VL working there in 2 subteams. The team is primarily based in the US and Israel


Requirements: Java/Scala/Python, self-organization, Tech Leading, Data Engineering, AWS/GCP, Beam/Spark/Presto, Java, SQL, Kafka, Apache Airflow or other tool Additionally: Building tech community, Flexible hybrid work model, Home office reimbursement, Language lessons, MyBenefit points, Private healthcare, Training Package, Virtusity / in-house training, Bike parking, Shower, Free snacks, No dress code, Modern office, Free coffee, Free beverages, Kitchen.

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