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Senior Java Developer
Senior Java developer building and leading microservices using Spring Boot, Docker, and AWS for global clients.
Java Developer
Mid/Senior Backend Java Developer building scalable BFF services for checkout, customer management, and commerce using Java 21, Spring Boot, and event-driven architecture.
Senior Java Backend Engineer: Spring Boot 3.x & OpenAPI
Builds and maintains high-traffic BFF services for checkout, customer management, and commerce using Java 21+, Spring Boot 3.x, REST/OpenAPI, and MongoDB.
Java Developer
Build and maintain scalable Spring Boot microservices and REST APIs for a telecom client, using AWS, Kubernetes, and event-driven patterns while owning end-to-end DevOps and testing.
Senior Java Backend Architect - Spring Boot & Microservices
Designs and builds enterprise-grade Java microservices with Spring Boot, Kafka, and BPM workflows in a cloud-native, containerized stack while driving architectural best practices.
Backend Developer @ Respect Energy Fuels Sp zo.o.
Build and maintain backend services in NestJS (TypeScript) that power energy-trading workflows: billing engines, tariffing, invoicing, legacy integrations, and reporting pipelines.
Senior Java Developer (Backend)
Build a secure, multi-tenant SaaS platform for EU telecom compliance using Java 21, Spring Boot, Flowable BPMN, and PostgreSQL, handling sensitive legal orders with strict deadlines.
Senior Backend Developer NET – IoT Platform
Build and scale a cloud-native Industrial IoT platform in .NET, processing telemetry from thousands of devices with microservices, Kafka, and Kubernetes while securing multi-tenant SaaS deployments.
Backend Developer (.NET)
Build and maintain secure backend services for an international insurance company using .NET, Azure, and OutSystems, including API integrations, Auth0/OAuth flows, and scalable digital portals.
Senior Backend Developer (ST)
Builds and maintains backend services in Java/Spring Boot, optimizes systems, and ensures software quality with PostgreSQL/Oracle, Kafka/RabbitMQ, and testing tools.
Backend Developer (Kotlin) in Kazakhstan
Build and maintain scalable microservices in Kotlin/Java for a next-gen business banking app, optimizing databases, Kafka streams, and Spring Boot services.
Senior Backend Developer for NATO
Build and operate Python microservices and data pipelines for maritime geospatial analytics on Databricks and Neo4j, handling APIs, graph queries, and event-driven workflows.
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.
Backend Developer
Builds and maintains a NestJS/TypeScript backend for a Polish energy-trading fintech, implementing billing engines, API integrations, and data pipelines for gas-market operations.
Senior Backend Developer
Build and maintain backend services for an e-commerce fashion brand using PHP 8.x, Symfony/Laravel, PostgreSQL/MySQL, and Docker.
Python Backend Developer
Builds and maintains the backend of a digital-identity platform using Python, FastAPI, and PostgreSQL, integrating with HSM/KMS and external systems.
Python Developer
Builds and maintains FastAPI-based REST services for a banking client, focusing on async backends, secure auth (OAuth2/JWT), and scalable data pipelines with Redis and ORMs.
Senior Python Developer @ Scalo
Build and maintain Python-based backend services for a SaaS platform using FastAPI, PostgreSQL, and Azure, with CI/CD and automated testing.
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.
Senior Software Engineer (JAVA)
Senior Java engineer building cloud-native AI surveillance and analytics systems for global financial firms using Spring, distributed architectures, and agentic AI tools.