Software Engineer (Apache Flink)

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 looking for a Software Engineer with strong expertise in Apache Flink to join our team. You will play a key role in optimizing, maintaining, and extending a high-performance data processing solution built on Flink and Kafka. This is a great opportunity to work in a technically challenging environment where you can make a real impact on the performance and reliability of our systems.

Responsibilities:

• Improve the performance and scalability of an existing solution based on Apache Flink and Kafka.

• Design and implement new system functionalities in collaboration with cross-functional teams.

• Prepare and maintain comprehensive technical documentation for the solution.

• Support and monitor the production system, including log analysis and issue resolution.

• Assist in configuring and preparing the production environment.

• Collaborate in testing and validation of the solution to ensure high quality and reliability.

Technology Stack:

• Apache Flink (strong hands-on experience required)

• Kafka

• Java

• RxJava

• Spring Boot

• Docker

What We’re Looking For:

• Proven experience developing and optimizing stream processing applications using Apache Flink.

• Solid understanding of event-driven architectures and data streaming.

• Strong Java programming skills, with experience in RxJava and Spring Boot.

• Good understanding of containerization with Docker.

• Analytical mindset with attention to detail and a problem-solving attitude.

• Strong collaboration and communication skills.

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).