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Builds and integrates backend services using Java and Spring Boot in a collaborative, innovative team environment.
Build and run scalable JVM backend services in Kotlin/Spring Boot, deploy them on Kubernetes, and own production reliability with CI/CD and GitOps.
Builds backend services in PHP with MySQL, REST APIs, and security best practices for product projects in Rzeszów.
Senior Java developer builds and refactors backend services using Java, Spring, and MySQL in a hybrid Kraków office.
Senior backend engineer building a greenfield .NET/Azure system with real-time APIs and AI integrations; designs cloud architecture and writes clean, scalable code.
Build and maintain a SaaS platform for Polish healthcare providers using Java, Spring, and DDD; design microservices, model medical domains, and integrate with external systems.
Builds and maintains Node.js (NestJS) backends for AI-driven compliance and passwordless-auth platforms, working with AWS, databases, and testing frameworks.
Builds and maintains Java backend services using Spring and Hibernate, working on a modern tech stack in a hybrid setup.
Build and scale Python microservices with FastAPI/Django, PostgreSQL, and AWS, integrating APIs and automating CI/CD pipelines for high-impact client projects.
Build core Rust/Go backend services for a fast-growing blockchain oracle startup, focusing on data pipelines, node integrations, and cross-chain DeFi infrastructure.
Builds and maintains scalable Django/Python backend services, designs REST/GraphQL APIs, and leads architecture decisions for microservices while mentoring junior developers.
Build and maintain high-performance backend services in Elixir for a marketplace integrations platform, collaborating with cross-functional teams to ship scalable features.
Backend developer building and maintaining a Polish SaaS invoicing platform used by 200k+ businesses, working with SQL, Ruby on Rails, and Git.
Build and maintain Java-based microservices using Spring Boot, REST APIs, and SQL databases for a modern backend system.
Build and own backend services in Python/FastAPI that power a SaaS platform for restaurants, integrating POS, ads, and AI-driven analytics while ensuring scalable, observable, and secure production systems.
Build and scale AI-powered ERP automation agents in Go, React/TypeScript, and Python, owning features from design to deployment on Kubernetes.
Senior backend engineer building scalable Java microservices with Spring Boot, Kafka, and cloud infrastructure for distributed systems.
Build and maintain backend services for an e-commerce fashion brand using PHP 8.x, Symfony/Laravel, PostgreSQL/MySQL, and Docker.
Build and maintain the Python/C# backend powering Expereo’s global internet connectivity platform, focusing on a constraint optimization engine for quote generation, API design, and scalable integrations with partners.
Builds and optimizes the backend of a SaaS platform that pulls e-commerce data, runs pricing analytics, and automates decisions using Python, Django, PostgreSQL, Elasticsearch, and Redis.
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