Senior ETL Developer ETL, SQL, Python, Kafka Warsaw, Gdańsk

DCG Poland; Town of Poland (NY); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Private medical care

Co-financing for the sports card

Constant support of dedicated consultant

Job summary

DCG Poland is seeking a Senior ETL Developer to design and implement reliable ETL solutions while collaborating with various stakeholders. The ideal candidate will possess strong coding and architectural skills, and has experience with AI tools to enhance software quality.

This role requires expertise in relational databases, SQL, Python, and familiarity with event-driven architectures like Kafka. Benefits include private medical care and sports card co-financing.

Qualifications

• Ability to combine hands-on coding skills with architectural mindset.
• Strong collaboration skills with the ability to work effectively with diverse stakeholders.
• Experience applying AI tools and practices to improve productivity and software quality.
• Strong communication skills with proven experience in client-facing roles.
• Solid experience with ETL processes.
• Strong knowledge of relational databases, SQL and Python.
• Experience working with event-driven architectures including Kafka.
• Experience designing and implementing REST APIs.
• Experience working with Spring Boot or similar frameworks.
• Practical experience integrating AI tools into development workflows.
• Strong independent work ethic with high level of ownership.
• Well-developed organizational skills and ability to manage tasks effectively.

Responsibilities

• Developing and engineering ETL solution with high standard of reliability and stability.
• Partnering with business partners, data users, and solution architects.
• Managing end-to-end solution design and timely, high-quality delivery.
• Optimizing workflows with AI tools for efficiency.
• Supporting the team with technical leadership and code quality practices.

Skills

Hands-on coding skills

Architectural mindset

Collaboration skills

AI tools experience

Communication skills

Fluent English

ETL processes experience

Relational databases knowledge

SQL knowledge

Python knowledge

Event-driven architectures experience

REST APIs experience

Spring Boot knowledge

Integration of AI tools

Organizational skills

Tools

Kafka

Java

Job description

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for:

Senior ETL Developer

Responsibilities:

• Developing and engineering ETL solution with high standard of reliability and stability
• Partnering with business partners, data users and solution architects while anticipating and addressing business demands
• Managing end-to-end solution design and timely, high-quality delivery
• Optimizing workflows with AI tools to increase efficiency and maintainability of a solution delivered from business demand to working application
• Supporting the team with technical leadership, code quality practices, and modern engineering standards

Requirements:

• Ability to combine hands‑on coding skills with architectural mindset and design approach
• Strong collaboration skills with the ability to work effectively with diverse stakeholders
• Experience applying AI tools and practices to improve productivity and software quality
• Strong communication skills with proven experience in client‑facing roles
• Fluent English (spoken and written)
• Solid experience with ETL processes
• Strong knowledge of: Relational databases, SQL and Python
• Experience working with event‑driven architectures, including technologies such as Kafka
• Experience designing and implementing REST APIs
• Experience working with Spring Boot or similar frameworks
• Practical experience integrating AI tools into development workflows, including: requirement elicitation, documentation and refactoring
• Strong independent work ethic with high level of ownership
• Well‑developed organizational skills and ability to manage tasks effectively

Nice to have:

• Solid understanding of data warehouse principles
• Basic knowledge of data modelling or willingness to learn
• Knowledge of Java

Offer:

• Private medical care
• Co‑financing for the sports card
• Constant support of dedicated consultant

Personal Consulting Agency (License No. 4642)