> Markdown version of [/jobs/ext/3893366-senior-full-stack-software-engineer-ii](https://www.wearedevelopers.com/jobs/ext/3893366-senior-full-stack-software-engineer-ii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full Stack Software Engineer II - **Company:** SimplePractice, LLC. - **Location:** Santa Monica, CA, United States (Remote available) - **Experience:** Expert - **Salary:** $208,000.0 - $260,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Automation of Tests, Databases, Information Engineering, Data Warehousing, Cursor, Linux, Distributed Systems, Amazon DynamoDB, Elasticsearch, Github, PostgreSQL, MySQL, Nginx, Ruby on Rails, Redis, Ansible, Web Application Security, Software Engineering, Web Application Frameworks, Large Language Models, Claude Code, Snowflake, AI Coding Agents, Backend, Agentic-AI, Vertica, Terraform, Multiplatform, Data Pipelines, Automation Anywhere, OpenSearch, Docker, Amazon Redshift, Web Api - **Published:** October 23, 2026 - **Apply:** https://diversityjobs.com/career/18716226/Senior-Full-Stack-Software-Engineer-Ii ## About the Role * 8+ years of senior-level full-stack engineering with deep, hands-on expertise in Ruby on Rails or other web application frameworks * Experience with LLMs and advanced, hands-on fluency with AI coding tools like Cursor, Codex, and Claude Code * Strong systems design and judgment across APIs, multi-platform distributed systems, observability, and reliability specifically related to reporting and analytics * Strong SQL query-writing skills with exposure to dbt * Working knowledge of OpenSearch, Elasticsearch, or DynamoDB and an understanding of data warehouses/columnar databases such as Snowflake, AWS Redshift, ClickHouse, or StarRocks * Design and implementation of large, scalable web applications and an appreciation for clean, elegant, and simple code * Understanding the value and nuances of automated testing especially as it applies to AI workflows * Proven track record of mentoring other engineers * Excellent communication and collaboration skills working with remote teams, using Slack, GitHub, Linear, Notion, Zoom, and similar productivity tools Bonus Points * Web application security, plus PCI or HIPAA compliance experience * Production troubleshooting and infrastructure: Docker, MySQL, Postgres, Redis, NGINX, AWS, Linux, Terraform/Ansible ## Description SimplePractice is seeking a Senior Full Stack Engineer II to help lead the development and scaling of customer-facing reporting solutions. This a remote role with expert knowledge in Ruby on Rails and heavy backend experience to help us roll-out the multitude of features and service improvements we have planned. About You * You are a passionate, talented engineer, willing to push the limits of existing technology and create the best possible customer experience * You love building products that help thousands of customers in their day-to-day lives * You drive design and execution from ideation to launch using a hands-on approach to coordinating engineers and AI agents * You have expert knowledge in backend Ruby on Rails software development and data engineering * Your work has a heavier emphasis on backend APIs, data models, and data pipelines to support customer-facing reporting and analytics Responsibilities * Build out the next generation practice management reporting platform with a builder mindset and product-focused approach, creating solutions that are robust, scalable, and easy to use * Own the technical design and delivery of increasingly complex reporting requirements, including a generalized reporting platform and potential AI-enabled access to data sources which could require substantial infrastructure and data-modeling improvements * Collaborate with our product team to understand customer needs, define upcoming features, and catch and troubleshoot problems before customers do * Write - coordinate AI agents to write - clean, efficient, and well-tested code that improves our code base in meaningful ways with a focus on performance and scalability