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Backend Developer Senior (.Net/C#)
Senior backend engineer building high-performance .NET/C# services and REST APIs using Clean/Hexagonal architecture, SQL Server, OAuth2/OIDC, and Docker for global outsourcing clients.
Senior Backend Developer - Node.js & AWS, Serverless Lead
Leads backend development using Node.js, AWS, and Serverless to build and maintain APIs, infrastructure-as-code, and unit tests in a hybrid role based in Lima.
Backend Developer | Node.Js & Aws - por Proyecto
Backend Developer building scalable Node.js APIs on AWS Serverless, leading a small team, and maintaining cloud infrastructure for a 1-month project.
Remote Backend Engineer, Music
Build and maintain backend systems that power Spotify’s Discovery Mode, delivering intelligent promotion scores to personalization teams using Java/Scala and collaborating with ML engineers.
Technical Support Spec (German and Englsih)
About the Company: At Playlist, life's richest moments happen when people step away from screens to move, connect, explore, and play. We're building the definitive platform for intentional living, connecting…
Senior Full Stack Developer (Ruby on Rails/Vue.js), 80–100 %
Build and maintain secure file-transfer products using Ruby on Rails, Vue.js, and microservices, while improving CI/CD, testing, and DevOps deployments.
Java Backend Developer
Build and maintain Java microservices using Spring Boot, REST/GraphQL APIs, and Azure cloud services for a Zurich-based client.
GenAI Engineer (Mid) (AI&Data)
Build production-ready GenAI and agentic AI systems for global enterprises using Python, LLM APIs, and cloud platforms like AWS/Azure/GCP.
Data & AI Engineer with MS Fabric or Databricks - Junior/Mid/Senior
Build and maintain end-to-end data pipelines and analytical models using Databricks, Microsoft Fabric, Python, SQL and Spark to deliver AI-driven insights for enterprise clients.
MLOps Engineer – Data Analytics Platform
Build and maintain ML pipelines using Airflow, MLflow, and GCP; migrate on-premise systems to cloud-native environments and ensure scalable, reliable data workflows.
Data Engineer – AI-Accelerated Development for Modern Data Platform
Build and maintain scalable ELT/ETL pipelines, orchestrate workflows in Airflow, and model data in Snowflake/Databricks to power analytics and AI apps, using Python, SQL, and AI coding tools.
Senior Data Engineer (with GCP experience) - ICH Europe
Design and build scalable data pipelines on GCP (BigQuery, Cloud Composer) to feed AI/ML models, using Python, SQL, dbt and Data Vault 2.0.
Data Engineering Consultant (Cloud & AI) - ICH Europe
Design and build scalable cloud data pipelines and ETL workflows using PySpark, SQL, and cloud platforms (AWS/Azure/GCP) to support AI-driven analytics for global enterprise clients.
Data Engineer - Junior/Mid/Senior - ICH Europe
Build and optimize scalable data pipelines and AI solutions using cloud platforms, SQL, ETL tools, and Python/R for European clients.
Senior Full-Stack (React+Node.js) Engineer 14:00 - 22:00 CET
Build and scale a widget-based micro-frontend platform in React+Node.js, integrating AI-driven contract workflows and ensuring enterprise-grade security and compliance for a SaaS product used globally.
Senior Full-Stack Engineer – Hybrid (Kraków) AWS + React
Builds and maintains AWS-based cloud integrations, Node.js/Express backends, and React SPAs with IoT integrations, CI/CD pipelines, and security/UX focus.
Senior Full-Stack Engineer for AI Identity Tech (Hybrid)
Build and maintain scalable identity-verification systems using React and Express.js, mentor junior developers, and shape technical direction in a product-driven team.
Full Stack Engineer – Backend (Node.js) Oriented @ Antal
Build and maintain Node.js/TypeScript backend services and APIs, co-develop React frontends, and integrate systems for a scalable project.
Software Developer, Full Stack
Builds full-stack features in React/TypeScript and Java 14+ that turn fragmented supply-chain data into actionable insights for consumer brands.
Full-Stack Engineer: Backend & React UI (Hybrid)
Builds backend services and a React.js UI for financial software using Node.js/Express/NestJS, Java Spring Boot, and modern frontend tools.