Senior Software Engineer Data & AI

Senior Software Engineer – Data & AI

About the Opportunity

Green Minds is currently seeking an experienced Senior Software Engineer on behalf of our international client. This role focuses on building enterprise-grade platforms and intelligent automation solutions that leverage modern cloud, data, and AI technologies to drive efficiency and scalability.

This is a fully remote B2B contract position with standard working hours aligned to 9:00–17:00 (client time zone) and collaboration with U.S.–based teams.

Role Overview

You will design and develop secure, scalable applications and services, working across backend, frontend, APIs, cloud infrastructure, and AI-driven components. The position requires a strong engineering mindset, architectural thinking, and the ability to collaborate within distributed teams.

Key Responsibilities

• Develop and maintain full-stack applications using modern .NET technologies.
• Design modular monoliths or microservices with clear bounded contexts.
• Build REST and GraphQL APIs and integrate external/internal systems.
• Implement real-time communication and event-driven workflows.
• Create Retrieval-Augmented Generation (RAG) pipelines for structured knowledge systems.
• Collaborate in Agile ceremonies, pair programming, and code reviews.
• Ensure high code quality through testing, CI/CD pipelines, and best practices.
• Diagnose performance issues and deliver scalable solutions.

Required Technical Expertise

Core Development

• 6+ years of professional software engineering experience (8+ preferred).
• Strong proficiency in C#, .NET Core/.NET 8+, ASP.NET Core.
• Experience with CQRS, MediatR, FastEndpoints.
• RESTful API design and GraphQL integration.
• Databases: SQL Server, Cosmos DB, or similar.
• Real-time systems using SignalR.
• Containers and orchestration (Docker, AKS, ACA, or similar).
• Messaging/event streaming (Service Bus, Event Hubs, or equivalent).

Architecture & Patterns

• Microservices or modular monolith architecture.
• Clean Architecture principles.
• Repository + Unit of Work patterns.
• Event-driven system design.

AI, Data & Cloud

• Hands-on experience with Azure cloud services.
• Knowledge of AI engineering workflows (agents, tool-calling, prompt design).
• Experience building RAG systems (embeddings, retrieval, evaluation).
• Familiarity with vector or hybrid search platforms.
• Experience with data warehouses or lakehouse environments.

Testing & DevOps

• Unit, integration, and end-to-end testing.
• CI/CD automation pipelines.
• Git-based version control.
• Authentication/authorization (JWT or similar).

Nice to Have

• Frontend experience with React or Angular (v16+), state management libraries.
• Microfrontend architectures.
• Experience integrating BI or analytics APIs.

Professional Qualities

• Strong ownership mindset and problem-solving skills.
• Excellent communication in English (minimum B2/C1 level).
• Ability to work independently in distributed teams.
• Adaptability and composure under deadlines.

Engagement Details

• Contract type: B2B
• Work model: 100% remote
• Collaboration: International team (U.S. stakeholders)
• Working hours: 9:00–17:00