Data Engineer

• Position: Data Engineer • Salary ranges: up to 32 000 PLN, B2B • Location: hybrid- Warsaw Join our client — an innovative EdTech company revolutionizing the way students learn math! Their interactive platform empowers learners to strengthen their problem-solving skills through hands-on exercises and step-by-step reasoning. Teachers can easily assign tasks, track progress in real time, and give instant, meaningful feedback. The platform focuses on nurturing mathematical thinking, not just correct answers — helping students truly understand the why behind every solution. We’re now looking for a talented Data Engineer to join this mission and help shape the future of math education! Responsibilities: • Set up and configure Amazon Kinesis Data Streams / Firehoses • Design and implement Apache Flink jobs for real-time data processing • Optimize performance, scaling, and fault tolerance of streaming pipelines • Integrate with downstream AWS services • Implement monitoring, logging, and alerting (CloudWatch / Prometheus / Grafana) • Provide documentation Requirements: • Proven experience with Apache Flink in production (stateful stream processing, checkpoints, event time, windowing). • Strong background in AWS Kinesis (Data Streams, Firehose, Kinesis Analytics) • Proficiency in Java for Flink job development. • Hands-on experience with AWS cloud infrastructure. • A proactive attitude, with the ability to thrive in a fast-paced, collaborative and growing startup environment • Confident English – you can easily communicate complex technical concepts The offer: • Salary up to 32,000 PLN/month (+VAT) depending on seniority • 26 days of leave covered by a yearly bonus • Long-term incentive plan • 10 days of paid sick leave • Yearly team meetups with all the people in the company ✈️ • Great Warsaw office – full floor just for us with snacks, drinks, and top-tier coffee ☕ • Multisport Plus card • Table football and chill board game nights with pizza & beer 🍕🍻 • Occasional movie nights 🎬