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Build and maintain Ruby on Rails backends for fintech platforms handling hundreds of millions in transactions, collaborating with product teams and using AI tools like Claude Code.
Senior .NET backend engineer building HR, payroll and finance modules with C#/.NET, integrating AI and DevSecOps while optimizing SQL Server and deploying to Azure/AWS.
Backend developer building and maintaining .NET APIs and services for an e-commerce client, using C#, EF Core, and T-SQL with DDD and Clean Code practices.
Build secure, scalable multi-user access for a SaaS recruiting platform using C# .NET Core, SQL/MongoDB, and AI coding tools in an autonomous Impact Team.
Build and maintain monitoring connectors in Perl (and future Rust) for Centreon’s infrastructure-supervision platform, integrating with APIs, SNMP, and SDKs while improving performance and usability.
Backend developer in C#/.NET 8 building microservices and optimizing SQL Server/Azure SQL performance for a veterinary procurement platform.
Build and maintain Java/Spring back-end services for healthcare applications, writing unit/integration tests and participating in agile rituals.
Build and maintain scalable Java backend services using Spring and Hibernate, mentor junior developers, and ensure robust API integrations with front-end teams.
Senior Java/Spring Boot backend engineer building fintech services that power a consumer budgeting app and B2B bank aggregation, owning micro-services end-to-end on a high-traffic, mission-critical stack.
Builds and maintains the core banking transaction engine in Scala, working across the full product lifecycle from design to production operations.
Build and maintain backend services in Python/Django to power a high-volume transaction platform, collaborating with frontend and product teams.
Build and maintain backend services in Java/Spring Boot, automate provisioning and compliance workflows, and integrate AI-driven features in a microservices environment.
Senior backend Java developer building and maintaining enterprise systems in Java 8/11 with Git and Apache Camel, using DevOps practices and collaborating in English.
Build and maintain scalable backend services and data pipelines for a home-improvement group, using Python, FastAPI, Airflow, Snowflake, and PostgreSQL.
Build high-performance backend microservices in Go, using gRPC/REST APIs, PostgreSQL/MongoDB/Redis, Kafka/NATS, and deploy on Kubernetes.
Build high-performance Go microservices and APIs (gRPC/REST) for clients, optimizing data systems in a dynamic cybersecurity and cloud-focused environment.
Senior backend developer designing scalable platforms in Kotlin/Java and JS frameworks (Node/Next) while optimizing performance and staying current with tech trends.
Lead backend developer building high-performance JVM applications for a global logistics company, coaching teams and driving technical excellence.
Build and optimize scalable backend services in Java/Spring Boot, designing robust data architectures with PostgreSQL, MongoDB, Kafka, and Redis while ensuring high availability and clean code practices.
Mid-level backend developer building and maintaining high-performance APIs and microservices in Python or Go for a clean-energy company.
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