Junior Back-End Developer - Big Data

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
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).