Big Data Developer (Scala)

Company Description

Talan – Positive Innovation

Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries and a turnover of €850M, we are committed to delivering impactful, future-ready solutions.

Talan at a Glance

Headquartered in Paris and operating globally, Talan combines technology, innovation, and empowerment to deliver measurable results for our clients. Over the past 22 years, we’ve built a strong presence in the IT and consulting landscape, and we’re on track to reach €1 billion in revenue this year.

Our Core Areas of Expertise

• Data & Technologies: We design and implement large-scale, end-to-end architecture and data solutions, including data integration, data science, visualization, Big Data, AI, and Generative AI.

• Cloud & Application Services: We integrate leading platforms such as SAP, Salesforce, Oracle, Microsoft, AWS, and IBM Maximo, helping clients transition to the cloud and improve operational efficiency.

• Management & Innovation Consulting: We lead business and digital transformation initiatives through project and change management best practices (PM, PMO, Agile, Scrum, Product Ownership), and support domains such as Supply Chain, Cybersecurity, and ESG/Low-Carbon strategies.

We work with major global clients across diverse sectors, including Transport & Logistics, Financial Services, Energy & Utilities, Retail, and Media & Telecommunications.

Job Description

We are focusing on developing global solutions across different geographical locations for various regulatory reporting needs. Our main aim is to create efficient, user-friendly and scalable solutions that could be used by different teams in our company. We believe that strong and robust data products could mitigate risks and improve our capability inside our Group.

We run our projects in SCRUM/Agile methodology as we believe that continuous delivery that enables quick feedback loop is the key to our success and satisfaction of our clients. To achieve our goals, we use Scala, Python, Java, SQL/HQL, Airflow, ControlM, Jenkins, Github, Hive, Databricks, Azure, S3, Maven. To ensure the highest quality we use Unit Tests with Quality tests, Automation and Pull Requests review.

WHAT YOU WILL BE DOING

We are seeking a Backend Developer (Mid-Level) to join our Financial Reporting team within SCIB IT in Warsaw. This role focuses on building scalable, efficient, and robust solutions for global regulatory reporting, contributing to risk reduction and operational excellence across the Group.

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.

Qualifications

Required 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+).

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.

Additional Information

• Permanent, full-time contract.
• Training and career development.
• Benefits and perks such as private medical insurance LuxMed, lunch pass card Pluxee, MultiSport Plus card.
• Possibility to be part of a multicultural team and work on international projects.
• Hybrid position based in Warsaw, Poland.
• Possibility to manage work permits.