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Build and maintain scalable backend APIs and integrations for a global eSIM platform, using Go, AWS, and event-driven architectures.
Build and maintain high-performance microservices in Spring Boot for mobility platforms, integrating AWS services and designing scalable APIs.
Senior backend developer building and maintaining high-impact Java services with Spring Boot, Kafka, Kubernetes and AWS, collaborating with international teams.
Senior backend developer building and optimizing Node.js/TypeScript services in Node-RED to process large healthcare datasets, using PostgreSQL, Elasticsearch, Docker and REST APIs.
Senior backend developer building healthcare applications in Java/Spring, designing scalable APIs and secure data systems for clinical environments.
Build and optimize high-performance Big Data pipelines using Apache Spark (Scala/Python) on Azure Databricks, ensuring scalable data processing for enterprise clients.
Senior backend developer building scalable Python Django APIs and infrastructure for AI-driven conversational platforms, optimizing databases and ensuring secure, high-performance systems.
Builds and maintains cloud-native Java microservices for an international digital banking platform using Spring Boot and AWS.
Builds and maintains Java/Spring Boot backends for a global fashion retailer’s ecommerce APIs, internal tools, and mobile integrations using DDD, TDD, and CI/CD.
Builds and maintains backend services for financial markets, treasury, and accounting systems using PL/SQL, Linux, and automation tools in an agile, international team.
Builds and maintains Java-based microservices for large-scale financial data platforms, using Kubernetes and SQL databases in a regulated environment.
Builds and maintains Java-based APIs and microservices for a large digital-transformation consultancy, ensuring high availability and collaborating with international teams.
Design and build scalable Java/Spring Boot backend systems and REST/GraphQL APIs for modern digital platforms serving German corporate and global B2B clients.
Build and own Biorce’s AI-native CRM backend, integrating LLM-driven workflows and third-party tools using Node.js, TypeScript, and PostgreSQL in a GCP environment.
Designs and builds scalable Java 11+ and Spring Boot microservices, optimizes PostgreSQL and MongoDB schemas, and writes automated tests with JUnit and Mockito.
Build and scale Python services and LLM-powered data pipelines for Semrush’s AI visibility platform, integrating multi-provider LLMs and optimizing cost-efficient workflows on GCP.
Build and scale Python services and LLM-powered data pipelines for Semrush’s AI-driven brand visibility platform, integrating multi-provider LLMs and optimizing cost-efficient workflows on GCP.
Build backend services for Sumsub’s Travel Rule product, integrating crypto compliance systems to securely exchange identity data between exchanges and wallets.
Build and maintain the backend for a data/AI platform that auto-discovers and maps enterprise systems, integrating APIs, databases, and SaaS tools to deliver real-time organizational intelligence.
Senior backend Java developer building enterprise banking apps with Spring Boot, Oracle DB, and RESTful services for EY GDS in Málaga.
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