Sql jobs in Poland

 ...Strong understanding of web development and modern API design (e.g., FastAPI , Flask ), async API design ~ Good experience with SQL ( PostgreSQL ) and NoSQL databases (e.g., MongoDB , Redis ) ~ Understanding of Machine Learning basics (e.g., inference... 

 ...engineering assistants such as Claude and Codex. We expect you to use them to improve speed and quality, while personally verifying generated SQL, commands, scripts, and operational conclusions. English - upper-intermediate or higher - to ensure clear communication of... 

 ...Node.js, Next.js, and React . ~ Experience with AWS Serverless , distributed computing, and big data architectures. ~ Strong SQL skills (Postgres/RDBMS) and experience with dynamic front-end rendering (progressive loading, zooming). ~ Experience with modern AI... 

 ...deployment of solutions based on Microsoft Business Intelligence or similar technologies In-depth knowledge of relational databases, SQL , BI , reporting, ETL , data modelling, OLAP , and data mining tools Completed at least one full software development... 

 ...availability, performance, security, and reliability of enterprise database environments. Responsibilities Administer and maintain Azure SQL environments. Manage Oracle Database environments, including enterprise data warehouses and applications such as PeopleSoft. Monitor... 

 ...plus. Prior experience with migrating from another tool to Looker is highly advantageous. The Modern Data Stack : Proficiency in SQL (advanced window functions, optimisation) and experience with cloud data warehouses (e.g., Snowflake , BigQuery ) as well as at... 

 ...or similar . Ability to quickly learn new technologies and become productive in unfamiliar codebases. Experience working with SQL and NoSQL databases. Strong Docker and Docker Compose skills. Experience with Git, code reviews, and collaborative development... 

 ...quality, testing, observability, and operational excellence What We’re Looking For Core Engineering Strength Strong Python and SQL Deep experience with Spark and modern data platforms (Databricks / Snowflake) Solid grasp of cloud data services (AWS or GCP)... 

 ...business value and innovation #### Nice-to-haves Hands-on experience with modern data stacks and frameworks (e.g., dbt, Snowflake, SQL, Fivetran) Familiarity with financial systems such as Netsuite, Kyriba, Hazeltree, MRI, or Aaro, and BI tools like PowerBI or Hex... 

Your mission In this role, your mission will be to enhance and scale the backend systems powering the Mimica platform ( MERN stack). This means designing and implementing a scalable architecture, developing and optimizing backend services and APIs, improving the performance...

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Repayment Scheduling engineering team is growing rapidly, and we're looking for a Senior ...

 ...designing and reviewing dbt models and data pipelines hosted on Google Cloud BigQuery . Core Development Skills: Expert-level SQL skills and strong Python scripting capabilities for pipeline orchestration (e.g., using Airflow or Cloud Composer). Agile &... 

 ...protocols. You'll reverse-engineer smart contracts and on-chain events, translating complex interactions into clean, production-grade SQL/dbt models. Scale Our Ecosystem Coverage: Lead the charge in indexing new blockchains. You’ll design the schemas that transform... 

 ...evaluation methodologies (Human-in-the-loop, red teaming). ~ Advanced proficiency in Excel/Google Sheets and the ability to write SQL queries to analyze performance data. ~ Proven track record of using Agile, Scrum, or Kanban methodologies to manage complex workflows... 

 ...data solutions across relational databases, distributed caching, replication, and enterprise search engines (e.g., PostgreSQL , MS SQL, Redis, Elasticsearch) ~ Experience architecting on major cloud platforms (e.g., AWS, GCP, or Azure) using containerization and orchestration... 

About Teneo School: Teneo School is a premier global educational technology innovator on an ambitious mission to rebuild the future of digital learning. We build a highly scalable, comprehensive suite of AI-enabled products, personalized learning matrices, and adaptive...

 ...our customers. Requirements ~5+ years of Spark , Python , Java , C++ , or Scala development experience ~5+ years of SQL experience ~5+ years of experience with schema design, dimensional data modeling, and medallion architectures ~ Experience with... 

 ...are detected early, monitored effectively, and resolved with clear root-cause analysis. Tech Stack Swift SPM SwiftUI SQL / noSQL TensorFlow Lite (on-device inference) How We Work The best products today in the world were built by small, world class... 

 ...consistent, and dependable over time Tech Stack Next.js Python NodeJs Pytorch OpenAI / Anthropic / open-source LLMs SQL & noSQL Kubernetes Docker How We Work The best products today in the world were built by small, world class teams. We are... 

 ...for web applications ~ Experience collecting, cleaning, and analyzing large data sets ~ Proficiency in Python ~ Proficiency in SQL ~ Strong oral and written communication skills ~ Project management skills and ability to handle multiple priorities at different... 

The Role Lead a team of senior full-stack developers and coordinate technical execution across projects Build scalable full-stack features using Next.js, React, TypeScript, Prisma, and PostgreSQL Use Cursor IDE and AI coding assistants to accelerate development...

REQUIREMENTS Must-haves 🔍 Advanced SQL: You have strong SQL skills and hands-on experience building production-grade data pipelines. 🏗️ dbt and BigQuery: You have production experience designing, maintaining, and optimizing data workflows using dbt and BigQuery. 🔄 Data... 

About the team The MongoDB Tools Team builds Percona's open source operational tooling for MongoDB . Two projects sit at the center of what we do. Percona ClusterSync for MongoDB (PCSM) clones and continuously replicates data between clusters. Percona Backup for MongoDB...

Facets Developer – C# and SQL for agile development for a Facets implementation role. This Developer position will participate in a team environment for the delivery and code for a Facets testing and implementation. Responsible for programming, debugging and testing of... 

Your Responsibilities: Own production PostgreSQL reliability: HA design, Patroni, PgBouncer, replication, failover, upgrades, vacuum/bloat control, query tuning, locks, indexes, capacity, backups, PITR, and restore validation. Improve disaster recovery and operational evidence...

The Collections team, as part of the Repayments area, is on a mission to build a robust platform that will maximize the recovery of delinquent users by sending the right message to the right people at the right time, while monitoring and detecting problems and ensuring...

 ...CCPA compliance and maintain data governance standards across platforms What We Are Looking For (Essential) Strong command of SQL and Python Hands-on GCP experience with BigQuery , Dataform , Airflow , and Datastream Solid working knowledge of Docker... 

 ...analyst role, with a track record of shaping strategy through data rather than just reporting it. Strong hands-on proficiency in SQL and at least one major data visualisation platform — Tableau , Looker , or Power BI . A demonstrable ability to build and embed... 

 ...REQUIREMENTS Must-haves ~ Advanced SQL: You have strong SQL skills and hands-on experience building production-grade data pipelines. ~️ dbt and BigQuery: You have production experience designing, maintaining, and optimizing data workflows using dbt and BigQuery... 

 ...design and operation of modern data pipelines and platforms with a focus on ClickHouse or other relevant tool, Apache Airflow, ETL/ELT, SQL, Python, and cloud infrastructure . Working closely with cross-functional stakeholders, the Head of Data Engineering will ensure...