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Senior Python engineer building scalable, cloud-native backend services for a data-heavy platform using Python and SQL, with a focus on performance and reliability.
Data Scientist/Analyst builds and refines analytical models using SQL, Python, and ML to extract insights from client data and deliver actionable recommendations.
Builds and scales Python-based logistics services, optimizing delivery routes with geospatial data and cloud-native tools for Allegro’s Delivery Optimization Engine.
Design and build scalable, secure backend services for a SaaS platform using Python and FastAPI, focusing on performance, reliability, and security.
Builds and maintains scalable, secure backend services for a SaaS platform using Python (FastAPI), MySQL, MongoDB, and RESTful APIs with OAuth/JWT authentication.
Test Engineer builds and runs manual and automated tests for a space-grade SaaS platform, covering UI, APIs, and data pipelines while collaborating with developers and product owners.
Lead a small team to build AI-powered memory and proactive intelligence systems that track user context and alert on changes, coding more than 50% of the time.
Senior Analytics Engineer builds and maintains dbt-powered data models for credit, payments, and fraud/AML reporting in a regulated European fintech.
Builds and scales a big-data analytics platform in Scala/Java with Spark to process millions of events for financial-market security.
Builds and maintains high-performance Java services for real-time sports data and betting products in a cloud-native environment.
Owns and enhances HEINEKEN’s IoT data ingestion platform, building AWS-based pipelines to collect and process time-series data at global scale.
Senior Go engineer building high-throughput services that ingest, normalize, and serve real-time flight status and disruption data for millions of travelers.
Build and maintain backend services for a SaaS data platform that delivers market insights to SMBs, collaborating with senior engineers on scalable systems.
Build and deploy AI-powered solutions that integrate into enterprise platforms, designing scalable APIs and data connections to boost operational efficiency.
Leads AI/ML system design, development, and deployment for Bayer CropScience in Warsaw, building scalable data pipelines and cloud-based ML solutions with NLP and computer vision.
Design and manage low-latency network infrastructure for a programmatic advertising platform using Mellanox Spectrum and Cumulus Linux.
Builds AI-driven treasury applications using .NET, C#/F#, and JavaScript SPAs to help internal teams make faster, data-informed financial decisions.
Designs and migrates cloud-native data platforms to Azure, Databricks and Fabric, automating infrastructure with Python, IaC and Kubernetes while ensuring security, observability and cost-efficiency.
Lead a Python team building a cloud-native trading platform that embeds quant strategies into a unified system using AWS, Flask, and FastAPI.
Build and deploy Python-based AI applications using LLMs (OpenAI, GPT) and backend frameworks for financial-sector clients.
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