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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** Microsoft - **Location:** Redmond, WA, United States - **Experience:** Expert - **Salary:** $119,800.0 - $234,700.0 - **Contract:** Permanent contract - **Skills:** C (Programming Language), Java (Programming Language), JavaScript (Programming Language), A/B Testing, Adobe InDesign, Artificial Intelligence, Application Performance Management, Microsoft Azure, Microsoft Online Services, C Sharp (Programming Language), C++ (Programming Language), Cloud Computing, Cloud Storage, Profiling, Code Review, Distributed Systems, Fault Tolerance, Python (Programming Language), Key Management, Automation of Marketing, Systems Development Life Cycle, Azure Active Directory, Distributed Caching, Kusto Query Language, Software Engineering, Data Streaming, Azure Service Bus, Data Logging, Backend, Build Management, Kubernetes, Information Technology, Low Latency, Apache Kafka - **Published:** September 14, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/87939064/1 ## About the Role * Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or PythonOR equivalent experience. Other Requirements: Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings: * Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter., * Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python + OR Bachelor's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python + OR equivalent experience. * 4+ years of experience building and operating latency-sensitive backend services with strict SLA requirements (P99 measured in milliseconds, five-nines availability). * Go- deep production experience, including profiling, GC tuning, concurrency patterns, and performance-sensitive code on the request hot path. * OpenRTB / programmatic advertising - hands-on experience with header bidding, real-time bidding, mediation, exchanges, SSPs/DSPs, brand safety, or identity/cookie syncing. Familiarity with Prebid Server or similar auction platforms. * Auction systems- experience designing or evolving pricing logic, bidder filtration, dynamic reserve pricing, or floor-price optimization at scale. * Kubernetes & Azure- production experience with AKS, ACR, Azure Key Vault, Azure Event Hubs, Azure Blob Storage, Azure Application Insights, and Azure DevOps; comfortable with multi-region, multi-cluster deployments. * Distributed systems - solid grasp of consistency trade-offs, fault tolerance, distributed caching, and cross-region replication patterns. * Experimentation platforms- experience designing or scaling A/B testing frameworks, feature flags, or controlled rollout systems. * Observability- experience with structured logging, high-cardinality metrics, sampling at scale, and event streaming pipelines (Event Hubs, Kafka, Kusto/ADX). * Solid problem-solving skills with a focus on reliability, observability, and system design. Software Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year. ## Description * Technical Contributions Contribute to the architecture of the MMS platform: the OpenRTB request hot path, auction engines (best-price, priority, dynamic reserve price, multi-placement), bidder adapter framework, and the experimentation/flights system. Collaborate with engineers across teams - bidders, supply integrations, brand safety, and measurement - on shared technical problems. Participate in design reviews and code reviews, and help develop and grow engineers across the team. Identify and surface technical risks across reliability, latency, cost, and correctness. * Service & Platform Development Design and build highly scalable Go services on the MMS platform, with strict latency and availability SLAs measured in single-digit milliseconds and five nines. Extend the bidder adapter framework to support new supply types (display, native, video) and integration patterns (server-side header bidding, deal-based, programmatic guaranteed). Improve auction subsystem components - pricing, filtration (L1 brand safety, IP blocks, embargoes), bidder selection, and response shaping - with measurable revenue and quality impact. Contribute to the experimentation framework (flights, traffic sub-groups) to enable safe, high-cadence A/B tests. Improve observability of the request path: structured Event Hub logging, sampling strategies, metrics, and tracing across the bidder fan-out. * Infrastructure & Cloud Contribute to Azure-native deployment and operational excellence across AKS, ACR, Azure Key Vault, Azure Blob Storage, Azure Event Hubs, and Azure AD. Participate in initiatives to reduce cost-per-request, improve cold-start and config-reload behavior, and harden cross-region failover. Improve CI/CD pipelines on Azure DevOps, including canary and progressive rollout strategies. * Team Impact Help make delivery of high-quality software consistent and efficient across the SDLC - from technical design through testing, deployment, and oncall. Contribute to runbooks, deployment documentation, and oncall readiness. Participate in incident response and post-incident reviews. 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