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Senior Pyton Backend Developer (Contract, Remote)
Build and scale Python microservices with FastAPI/Django, PostgreSQL, and AWS, integrating APIs and automating CI/CD pipelines for high-impact client projects.
Senior Backend Developer @ Devire
Build and maintain Java/Spring Boot backend services and APIs for a top Polish bank, integrating databases, Kafka/RabbitMQ, and writing automated tests.
MID Backend Developer
Builds and maintains backend services in PHP/Symfony, REST APIs, and real-time features using WebSocket, Elasticsearch, and RabbitMQ.
Kotlin Backend Developer
Build and maintain backend services for a social casino game using Kotlin and Spring Boot, ensuring scalable, clean, and testable code.
Junior Backend Developer
Builds and maintains backend services using PHP, Symfony, REST APIs, and MySQL; assists with WebSocket, Elasticsearch, and RabbitMQ integrations.
Manager, Data Engineering (Applications)
Lead a team to build and maintain real-time and batch data pipelines that integrate enterprise applications like ERP and POS using MuleSoft and Informatica, ensuring data consistency and high uptime.
Global Backend Developer
Builds and maintains serverless and containerized backend services in JavaScript/TypeScript, using event-driven architecture (Kafka, RabbitMQ) to support global cybersecurity solutions.
Senior Backend Developer
Senior backend engineer building scalable Java microservices with Spring Boot, Kafka, and cloud infrastructure for distributed systems.
Node.js Backend Developer
Build and maintain scalable Node.js microservices in TypeScript for a K–12 math platform, integrating with MongoDB, Redis, RabbitMQ, and AWS.
Node.js Backend Developer
Build and maintain scalable Node.js microservices in TypeScript for a K–12 math platform, working with NestJS, MongoDB, Redis, RabbitMQ, and AWS.
Senior Python Developer & Tech Lead - Remote
Leads a Python team building B2B web services using Django/Flask, RabbitMQ, Docker and Agile/Scrum in Warsaw.
Python Developer (Architekt/ka Systemów)
Design and build Python-based systems and microservices for a growing group of companies in travel, real estate, sales, and services, focusing on business-driven architecture and automation.
Senior Python Developer
Senior Python backend developer building microservices and APIs for data-driven platforms using Flask/Django and cloud tools.
ML/Python Developer Mid/Senior
Build and deploy NLP models and LLM-powered backends using Python, FastAPI, PyTorch/TensorFlow, and cloud tools like Google Cloud and Airflow.
Senior Python Developer
Build and maintain the backend of a SaaS financial-reporting platform using Python/Django, Postgres, and cloud services while collaborating with frontend, DevOps, and algorithms teams.
Frontend Developer (Angular) with German language
Build and maintain Angular-based web apps for enterprise clients, integrating with .NET Web API and using RabbitMQ/Redis for performance.
Software Engineer
Develop Java-based ISTAR software for Canadian Army systems, designing APIs, data pipelines, and desktop clients that integrate sensor data and command-and-control subsystems.
Software Engineer
Develop Java-based ISTAR software for the Canadian Army, designing APIs, data pipelines, and desktop clients that integrate sensor data and command systems.
Software Engineer
Develops Java-based desktop and enterprise software for military ISTAR systems, integrating sensor data pipelines and APIs in an Agile team.
Java Software Engineer
Senior Java engineer building high-performance banking backends with multithreading, collections, and microservices; works on scalable, secure financial systems.