We process more than 150 billion transactions annually.

In addition to our primary solution, we are building the Base Model platform, a foundation model for behavioral data embedded within a novel platform for enterprise Data Science teams. This is another step on our path to create innovation in AI and demonstrate its potential for the business world.

About the Role

Job Title: Senior Backend Engineer
Location: Poland, Remote/Warsaw/Cracow
Employment Type: Full-time
Salary: 18,000 - 26,000 PLN net (+VAT) / month B2B

Responsibilities

• Develop architecture and design patterns to process and store high-volume data sets.
• Develop software with a core focus on optimization and performance.
• Translate complex functional and technical requirements into detailed design.
• Perform analysis of vast data stores and uncover insights.
• Create software that:
  • Enables data processing and sends recommendations in real time.
  • Is reliable and scalable.
  • Processes thousands of requests per second.
  • Uses architecture based on microservices.
  • Shows dynamic, personalized content in 50 milliseconds.
  • Allows for the aggregation of large data sets on customer behavior in broadly understood commerce.
  • Is based on artificial intelligence, semantic web, predictive analysis, machine learning, and marketing automation.

Qualifications

• Programming skills in Scala.
• Solid understanding of Kafka and Kubernetes.
• Experience with (at least one): Akka / ZIO / Cats.
• Experience with SQL and NoSQL databases.
• Capacity to plan and scale systems to keep up with incredible growth.
• Excellent troubleshooting and debugging skills.
• A passion for building tools and automating everything.
• Strong analytical skills.

Preferred Qualifications

• Understanding of JVM internals.
• Experience with microservices architecture.
• Experience with cloud environments (Azure/GCP).
• Programming skills in Java/Rust/Python.
• Knowledge of ElasticSearch/Opensearch.
• Basic knowledge of AI/ML concepts.

Benefits

• Opportunity to work with cutting-edge technology and AI-driven projects.
• Chance to participate in building strategic and ambitious Big Data-related products used by top international clients.
• Membership in a backend developers team that focuses on relationships and a good atmosphere.
• Freedom to act and a flat structure with ownership opportunities.
• Competitive salary appropriate to your skills and knowledge.

Working with us, you will have the chance to immerse yourself in challenging projects in an interdisciplinary team. Our Backend Team uses Scala, Rust, Python, Kafka, ElasticSearch, ScyllaDB, Azure, GCP, and Kubernetes. The Frontend Team utilizes JavaScript (React.js), ES6, Redux, TypeScript, and Webpack. Both teams are supported by the QA and Infrastructure Teams. We encourage experimentation and provide an environment to do so.

We work on the borderline of science and technology, creating outstanding solutions. If you are open-minded and willing to constantly develop yourself, Synerise is the place for you.