-
Talan

Junior Back-End Developer - Big Data (Relocation to Poland)

Talan
Turkey · Full-time · Entry


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


As a Backend Spark developer, your mission will be to develop, test and deploy the technical and functional specifications from the Solution Designers / Business Architects / Business Analysts, guaranteeing the correct operability and the compliance with the internal quality levels.

We need somebody like you to help us in different fronts:


  • You will develop end-to-end ETL processes with Spark/Scala. This includes transferring data from/to the data lake, technical validations, business logic, etc.
  • You will use Scrum methodology, and be part of a high performance team
  • You will document your solutions in the tools: JIRA, Confluence, ALM
  • You will certify your delivery and its integration with other components, designing and performing the relevant test to ensure the quality of your team delivery
  • You will work side by side with a technical specialist who will help you to improve the architecture and technical implementation of the solution in place
  • You will collaborate with cross-functional and cross-country teams to integrate data from various sources
  • You will develop and maintain data hub and data pipelines in microservices architecture
  • You will collaborate with other developers to maintain and improve CI/CD pipelines




WHAT WE ARE LOOKING FOR


  • Bachelor's degree in Computer Science or a related field.
  • 1+ years of experience in data/software engineering (preferable in banking)
  • Experience with Integration Solutions (using API and Microservices)
  • Programming backend applications with BigData technologies(Apache Spark)
  • Agile approach for software development
  • Continuous Integration (Git, GitHub)
  • Knowledge of SQL databases
  • English (at least B2+)


Qualifications


Preferred qualifications


  • Git hub actions
  • Scala or Python
  • Bash scripting
  • ControlM, AirFlow
  • Software development life cycle (HP ALM,..)
  • Basics of cybersecurity & Quality (sonar…)
  • Basics of Cloud computing (Docker, Kubernetes, S3, Azure, AWS, EMR, DataBricks)
  • SOA Architecture


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. Relocation is mandatory.
  • 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).


Key Skills

Ranked by relevance

cybersecurity cloud scrum aws microservices kubernetes confluence salesforce big data docker oracle spark cicd jira git sql etl ai s3
Login to Apply
Posted
Dec 03, 2025
Type
Full-time
Level
Entry
Location
Istanbul
Company
Talan

Industries

Software Development IT Services IT Consulting

Categories

Consulting

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
Talan
Related

Data Engineer Technical Leader (Relocation to Poland)

2026-04-09

Full-time
Mid-Senior
Turkey
Software Development
Engineering
View Job Details
EPAM Systems
Related

Senior Data Software Engineer

2026-04-08

Full-time
Mid-Senior
Turkey
Software Development
Information Technology
View Job Details
SoftwareOne
Related

Junior Data Scientist

2026-04-10

Full-time
Entry
Poland
IT Services
Consulting