Senior Back-End Engineer: Dynamic Copay Engine

About Helm Health Helm is a Series A start-up transforming health insurance with "Dynamic Copay" – a new insurance plan that lets members see simple, upfront prices for all medical care before making decisions. Our team is building the infrastructure to power these plans for health insurance payors. With Helm, our clients offer simpler health plans to their members, helping them navigate to higher-value care. Our team has specialized in Dynamic Copay solutions since 2020, and Helm is the only independent platform in the market. We have grown rapidly since our launch, working with clients from local health plans to the nation's largest health insurers. The market is forming around us, making it an exciting time to join! Role Overview We're seeking a Senior Backend Engineer to join our Dynamic Copay team. You'll work on our Dynamic Copay Engine — the core component that powers upfront pricing for health plan members. This is a high-impact role where you'll own critical services from day one, working at the intersection of claims processing and real-time pricing logic. Team Context The Dynamic Copay Engine works closely with our Claims Engine team, which owns our claims processing pipeline and adjudication integrations. You'll work closely with the team lead and other engineers to build, scale, and harden the systems that sit at the center of our product. Responsibilies Ow [... source excerpt omitted ...] adjudication workflows Write performant queries and manage data across PostgreSQL, Redis, and BigQuery Collaborate with product and other engineering teams to translate business requirements into reliable, scalable backend services Participate in code reviews, architecture discussions, and incident response Contribute to the on-call rotation for production systems Requirements 4+ years building, owning, and maintaining backend services 2+ years writing Go Strong SQL skills, particularly in PostgreSQL Experience with Redis and BigQuery (or similar analytical databases) Docker/Kubernetes Google Cloud Platform Preferred Qualifications gRPC/Protobuf experience Experience wi [... source excerpt omitted ...] n-driven — motivated by making healthcare simpler and more transparent Willing to ask questions and admit what you don't know Comfortable working in a fast-moving codebase where requirements evolve quickly Internal Tools/Technology Cursor / Linear / GitHub / Notion / Whimsical Slack / Google Workspace / Zoom Incident.io / Sentry Claude, ChatGPT, Gemini — we are an AI-forward engineering team macOS / Linux Compensation The target base salary range for this position is $150,000 - $225,000 and is part of a competitive total rewards package including equity and benefits. Individual pay may vary from the target range and is determined by several factors, including experience, sk