Senior Backend Engineer

Job Description

Job Description: Job Title: Senior Backend Engineer - Azure GPT / .NET Reports to : SVP, Head of Data, Technology & Analytics Location : Remote - Global (must be available through 2 p.m. U.S. Eastern Time) Employment Type : Full-time Long-term Contract (Annual Renewal) Key Responsibilities Backend Engineering & API Integration Design, implement, and optimize .NET-based microservices and Azure Functions that operationalize GPT capabilities and connect with external ad tech APIs (e.g., Google Ads, Microsoft Advertising). Develop authenticated REST and GraphQL APIs using OAuth 2.0, Azure AD, and API Management. Implement advanced backend patterns including rate limiting, caching, batching, and streamed responses to handle high-throughput, low-latency workloads. Ensure long-term code maintainability, testability, and reusability, following best practices in TDD, async/await, and dependency injection. DevOps & Observability Automate CI/CD pipelines using Azure DevOps or GitHub Actions. Manage and deploy infrastructure using Infrastructure as Code (IaC) tools like Bicep or Terraform. Monitor and debug production services with Application Insights, Log Analytics, and structured logging. Lead incident response, root cause analysis, and implement service health improvements. Technical Leadership & Collaboration Take ownership of complex features and resolve key architectural challenges related to performance, security, and scalability. Work independently and proactively within a distributed team environment. Collaborate closely with product managers, frontend engineers, data scientists, and platform teams to align on technical and business goals. Mentor junior engineers, participate in knowledge sharing, and contribute to internal documentation and training. Innovation & Continuous Improvement Drive innovation by integrating Azure OpenAI services using prompt engineering, embedding strategies, and cost-performance tuning. Stay informed about emerging backend technologies, AI capabilities, and DevSecOps practices. Follow and enforce internal release management and security standards. Qualifications & Certifications Education Bachelor s or Master s degree in Computer Science, Software Engineering, Information Systems, or a related field. Experience Minimum 7+ years of experience building and supporting production-grade backend systems in .NET/C#. Strong experience with Azure OpenAI Service, including prompt design, token management, and optimization. Proven experience integrating third-party APIs at scale and handling API security, throttling, and transformation logic. Proficiency with core Azure services: Azure Functions, API Management, Key Vault, Cosmos DB/SQL, Service Bus/Event Grid. Hands-on experience managing microservice architecture, asynchronous programming, and test-driven development. Certifications Azure Developer Associate (AZ-204) or equivalent is a plus. Key Skills Mandatory Technical Skills Advanced proficiency in .NET 8 / C#, especially with async/await, DI, and unit testing frameworks. Experience designing secure, scalable APIs using OAuth 2.0, Azure AD, and API Management. Strong grasp of Azure OpenAI, prompt engineering, and AI integration patterns. CI/CD automation using Azure DevOps or GitHub Actions. Infrastructure management using Bicep or Terraform (IaC). Logging, tracing, and monitoring with Application Insights and Log Analytics. Nice-to-Have Skills Docker and container orchestration experience with AKS or Azure Container Apps. Knowledge of DevSecOps, including IaC security scanning and secure SDLC. Background in MarTech or AdTech platforms and campaign data integration. Familiarity with GraphQL federation, schema stitching, or resolver optimization. Soft Skills Excellent written and verbal communication skills in English. Strong problem-solving and critical thinking abilities with attention to detail. Proven ability to work independently and take ownership of deliverables. Comfortable with rapid context switching and managing evolving priorities. Passion for learning and mentoring others in a collaborative environment. Location: DGS India - Bengaluru - Manyata H2 block Brand: Merkle Time Type: Full time Contract Type: Permanent