Senior Developer (Spark/Scala)

Talan Group; Warszawa; On-site; PLN 294,861 - 379,107; Full time

Benefits offered by this job

Private medical insurance

Life insurance

Training and career development

Smart Office Pack

Job summary

A leading international consulting firm in Warsaw is seeking a Senior Developer with expertise in Spark and Scala to lead the delivery of data-driven solutions. The ideal candidate has over 7 years of experience in Big Data systems, optimizing data workflows, and guiding a team. This hybrid position offers full-time contracts, private medical insurance, and opportunities for professional growth in a multicultural environment.

Qualifications

• 7+ years of experience in Big Data systems and data management.
• 3+ years of hands-on experience with Scala/Spark.
• Hands-on with Big Data technologies like Spark, Cloudera, Data Platform, Airflow, Hive.
• Experience implementing and deploying solutions in cloud environments.

Responsibilities

• Lead end-to-end technical delivery of data engineering projects.
• Architect, design, and implement scalable data pipelines and platforms.
• Optimize workflows for data ingestion, processing, and storage.
• Collaborate with global teams to align solutions with organizational objectives.
• Ensure delivery is aligned with regulatory and compliance requirements.

Skills

Big Data systems

Scala/Spark

Data management

Data modeling techniques

Fluent in English (C1 level)

Tools

Spark

Cloudera

DataBricks

Airflow

Hive

Job description

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 looking for a Senior Developer team with a strong background in Spark/Scala technology to lead the design and delivery of cutting‑edge data‑driven solutions. This role combines hands‑on engineering with technical leadership – you will both architect scalable data systems and guide a team to successful implementation.

As a Senior Developer, your will:

• Lead end‑to‑end technical delivery of data engineering projects.
• Architect, design, and implement scalable data pipelines and platforms.
• Optimize workflows for data ingestion, processing, and storage (Spark, Airflow, Cloudera, DataBricks, Hive).
• Develop and maintain data lake solutions for structured and unstructured data.
• Collaborate with global teams (business, data, and technology) to align solutions with organizational objectives.
• Oversee code quality, CI/CD pipelines, versioning, and release management.
• Write and review high‑quality Scala/Spark code and contribute to automation.
• Mentor and support engineers, fostering technical excellence and growth.
• Ensure delivery is aligned with regulatory and compliance requirements.
• Hands‑on experience with testing Big Data solutions – unit tests, integration tests, E2E tests.
• Understanding AI tools and techniques and how they can contribute to increasing development efficiency.

WHAT WE ARE LOOKING FOR

Required qualifications

• 7+ years of experience in Big Data systems and data management.
• 3+ years of hands‑on experience with Scala/Spark.
• Hands‑on with Big Data technologies like Spark, Cloudera, Data Platform, Airflow, Hive.
• Excellent understanding of dimensional data and data modeling techniques.
• Experience implementing and deploying solutions in cloud environments.
• Ability to work independently and take ownership of project deliverables.
• Fluent in English (at least C1 level).

Additional Information

What do we offer you?

• Full‑time contract.
• Smart Office Pack so that you can work comfortably from home.
• Training and career development.
• Benefits and perks such as private medical insurance, life insurance.
• Possibility to be part of a multicultural team and work on international projects.
• This is a hybrid position based in Warsaw, Poland.
• Possibility to manage work‑permits.

If you are passionate about development & tech, we want to meet you!

Talan Spain’s commitment to non‑discrimination based on gender, race, ideology, or any other reason, in accordance with the company’s "Equality Plan" and the current regulations on gender equality between women and men (Royal Decree‑Law 6/2019).