Senior Backend Developer

Senior Backend Developer

Company Overview

We are building an innovative marketplace platform that connects clients with professional investigation services. Our mission is to streamline the process of finding, hiring, and managing investigation services through a secure, scalable, and user-friendly platform.

Position Summary

We are seeking a highly experienced Senior Backend Developer with 8-10 years of experience to lead the development of our investigation services marketplace backend. The ideal candidate will be proactive, client-focused, and capable of architecting robust, scalable solutions using modern .NET technologies.

Key Responsibilities

Technical Development

• Design and develop scalable microservices architecture using C# and .NET Core
• Implement secure APIs and services for marketplace functionality including user management, service listings, booking systems, payment processing, and communication tools
• Architect and optimize PostgreSQL database schemas for high-performance data operations
• Develop integration solutions for third-party services (payment gateways, identity verification, communication tools)
• Implement comprehensive security measures including authentication, authorization, and data encryption
• Build real-time features for messaging, notifications, and status updates
• Ensure code quality through unit testing, integration testing, and code reviews

DevOps & Deployment

• Design and implement CI/CD pipelines for Azure deployment
• Configure and manage Azure cloud services (App Service, Azure SQL, Service Bus, etc.)
• Implement monitoring, logging, and alerting solutions
• Optimize application performance and scalability
• Manage containerization using Docker and orchestration with Kubernetes

Client Interaction & Leadership

• Collaborate directly with stakeholders to understand business requirements
• Provide technical guidance and recommendations to product owners
• Translate business needs into technical specifications
• Participate in client meetings and technical discussions
• Lead code reviews and mentor junior developers
• Contribute to architectural decisions and technology choices

Required Qualifications

Technical Skills

• 8-12 years of professional experience in backend development
• Expert-level proficiency in C# and .NET Core/.NET 6+
• Strong experience with microservices architecture and design patterns
• Extensive experience with PostgreSQL, including advanced querying, indexing, and optimization
• Solid understanding of RESTful API design and development
• Experience with Azure cloud services and deployment strategies
• Knowledge of containerization technologies (Docker, Kubernetes)
• Familiarity with message queuing systems (Azure Service Bus, RabbitMQ, etc.)
• Understanding of security best practices and compliance requirements
• Experience with version control systems (Git) and CI/CD pipelines
• Experience in Cloud infrastructure (AWS/GCP/OCS)
• Familiarity with other Backend Technologies

Marketplace/Platform Experience (Preferred)

• Previous experience building marketplace or multi-tenant platforms
• Understanding of payment gateway integrations (Stripe, PayPal, etc.)
• Experience with rating and review systems
• Knowledge of booking and scheduling systems
• Understanding of user roles and permission management

Soft Skills

• Excellent communication and interpersonal skills
• Proactive problem-solving approach
• Strong analytical and troubleshooting abilities
• Ability to work independently and take ownership of projects
• Experience in client-facing roles and requirement gathering
• Strong documentation and technical writing skills
• Ability to mentor and guide junior team members

Preferred Qualifications

• Experience in fintech, legal tech, or service marketplace domains
• Knowledge of compliance requirements (GDPR, data protection, etc.)
• Experience with Azure DevOps and monitoring tools
• Familiarity with event-driven architecture patterns
• Understanding of search and filtering technologies (Elasticsearch, Azure Search)

Experience with automated testing frameworks and practices