Mid-Backend Developer - Big Data ( Hybrid from Warsaw)

Virtusa; Warszawa; Hybrid; PLN 210,000 - 270,000; Full time

Job summary

Virtusa is seeking a Mid-Backend Developer for Big Data in a hybrid role based in Warsaw. Design scalable reporting solutions, build Spark-based applications, and develop end-to-end ETL/ELT pipelines in a regulatory context.

You will collaborate with product owners, architects, and cross-geo teams in an Agile environment, contribute to CI/CD, and ensure quality through testing and peer reviews. Requires 3+ years in software/data engineering and strong Spark/SQL skills.

Qualifications

• Bachelor's degree in Computer Science or related field.
• 3+ years of experience in software/data engineering, preferably in financial services.
• Hands-on experience with Apache Spark (Scala).
• Strong background in ETL/ELT pipeline development.
• Knowledge of integration solutions (APIs, microservices).
• Familiarity with Big Data technologies and SQL databases.
• Experience with CI/CD tools (Git, GitHub, Jenkins).
• Professional English (B2+).

Responsibilities

• Design and implement scalable, high-performance reporting solutions.
• Build Spark-based applications (Scala preferred).
• Develop and maintain end-to-end ETL/ELT pipelines, including data transfer, validation, and business logic.
• Collaborate closely with Product Owners, Architects, Analysts, and cross-functional teams across geographies.
• Work in an Agile/Scrum environment with a strong focus on continuous delivery and quick feedback loops.
• Contribute to CI/CD pipelines and ensure high-quality delivery through unit testing, automation, and peer reviews.
• Document solutions in standard tools (JIRA, Confluence, ALM).
• Integrate data from multiple sources, supporting a microservices-based architecture.

Skills

Spark

ETL/ELT

CI/CD

APIs

Microservices

SQL

English

Education

Bachelor's degree in Computer Science or related field

Tools

Apache Spark (Scala)

Git

GitHub

Jenkins

Databricks

Docker

Kubernetes

S3

Azure

AWS

Job description

Virtusa | Full-time

Mid-Backend Developer - Big Data (Hybrid from Warsaw)

At Virtusa, every innovator has the potential to transform and lead in a digital world- unlocking that potential takes more than technology; it takes a trusted partner who combines engineering excellence, creativity, and an AI-first mindset.

Together, we co-create solutions that help businesses grow faster, operate smarter, and make experiences better with technology.

Job Description

This role focuses on building scalable, efficient, and robust solutions for global regulatory reporting, contributing to risk reduction and operational excellence across the Group.

This job is Hybrid -1 day in the office (Warsaw) every 1-2 months.

As a Backend Developer, you will:

• Design and implement scalable, high-performance reporting solutions.
• Build Spark-based applications (Scala preferred).
• Develop and maintain end-to-end ETL/ELT pipelines, including data transfer, validation, and business logic.
• Collaborate closely with Product Owners, Architects, Analysts, and cross-functional teams across geographies.
• Work in an Agile/Scrum environment with a strong focus on continuous delivery and quick feedback loops.
• Contribute to CI/CD pipelines and ensure high-quality delivery through unit testing, automation, and peer reviews.
• Document solutions in standard tools (JIRA, Confluence, ALM).
• Integrate data from multiple sources, supporting a microservices-based architecture.

Requirements

• Bachelor's degree in Computer Science or related field.
• 3+ years of experience in software/data engineering, preferably in financial services.
• Hands-on experience with Apache Spark (Scala).
• Strong background in ETL/ELT pipeline development.
• Knowledge of integration solutions (APIs, microservices).
• Familiarity with Big Data technologies and SQL databases.
• Experience with CI/CD tools (Git, GitHub, Jenkins).
• Professional English (B2+).

Preferred Qualifications

• Experience with Python, Bash scripting, or Airflow/Control-M.
• Familiarity with Cloud platforms (Azure, AWS, Databricks, S3, Kubernetes, Docker, EMR).
• Understanding basics of cybersecurity/quality assurance (Sonar).
• Knowledge of software development lifecycle tools (HP ALM).
• Strong analytical and problem-solving skills.