AWS Data Engineer with Talend

Join an international data transformation initiative for a global organization modernizing its data platform and analytics capabilities in the cloud. The project focuses on building scalable, cloud-native data products and robust ingestion pipelines that enable reliable, business-critical data processing across multiple systems.
You will be part of a highly skilled engineering team responsible for designing and developing modern data solutions leveraging AWS, Snowflake, and Talend. This role combines hands-on engineering with technical leadership, offering the opportunity to shape architecture decisions, mentor team members, and contribute to data platform evolution.

Work Mode: Hybrid (Warsaw) / RemoteJob Responsibilities
• Design and develop cloud-native data pipelines using AWS services including Lambda, S3, Step Functions, DynamoDB, and SNS,
• Build and maintain Change Data Capture (CDC) solutions ensuring sequential processing, idempotency, and data consistency,
• Develop scalable data ingestion and transformation workflows using Talend,
• Design and optimize analytical data models within Snowflake,
• Create robust solutions for incremental loading, error handling, monitoring, and alerting,
• Develop and optimize complex SQL-based transformations and database logic,
• Work with Aurora PostgreSQL, including schema design, query optimization, and performance tuning,
• Define and maintain infrastructure using AWS CDK and CloudFormation,
• Support CI/CD processes and engineering best practices within GitLab environments,
• Troubleshoot data platform issues related to connectivity, networking, and operational reliability,
• Participate in architecture discussions, code reviews, and technical documentation activities,
• Collaborate closely with product owners, data engineers, architects, and business stakeholders in an Agile environment.

Expectations
• At least 5 years of experience in Data Engineering or related roles,
• Strong hands-on experience with AWS serverless technologies (Lambda, S3, Step Functions, DynamoDB, SNS),
• Proven expertise in Talend and large-scale ETL/ELT development,
• Strong understanding of Change Data Capture (CDC) patterns and incremental data processing,
• Experience working with Aurora PostgreSQL or other PostgreSQL-based solutions,
• Practical knowledge of Snowflake Data Warehouse architecture and optimization techniques,
• Advanced proficiency in SQL and Python,
• Experience with Infrastructure as Code using AWS CDK and/or CloudFormation,
• Knowledge of GitLab CI/CD processes and software engineering best practices,
• Understanding of monitoring and observability tools including CloudWatch,
• Experience with technical documentation, solution design, and code reviews,
• Ability to work independently while effectively collaborating within distributed teams,
• Strong communication skills and a proactive approach to problem-solving,
• Fluent English (minimum B2/C1 level).

Nice to Have
• Experience building Data Products in modern data platforms,
• Previous experience in financial services, banking, or large-scale enterprise environments,
• Mentoring or technical leadership experience,
• Experience with data governance and data quality initiatives.

We Offer
• Ongoing support from a dedicated agent, taking care of your project continuity, client contact, necessary formalities, work comfort and development,
• Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors,
• Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle,
• Spectacular integration events, both for you (e.g., annual Kick-Off trip, Christmas parties, or Summer Olympics sports events) and for your loved ones,
• Professional development through participation in internal initiatives and 7N Services,
• Relationships and access to the knowledge of the most experienced IT experts in the market,
• A complete benefits package, including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad.