> Markdown version of [/jobs/ext/4312443-fullstack-senior-engineer](https://www.wearedevelopers.com/jobs/ext/4312443-fullstack-senior-engineer). 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). --- # Fullstack Senior Engineer - **Company:** Red Ventures - **Location:** Charlotte, NC, United States (Remote available) - **Experience:** Expert - **Salary:** $100,000.0 - $175,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Amazon Web Services, Automation of Tests, Software as a Service, Data Warehousing, Cursor, Amazon DynamoDB, Node.Js, OpenAI, Software Engineering, Twilio, TypeScript, Genesys, Large Language Models, Backend, Event Driven Architecture, Claude, New Relic (SaaS), GPT, Databricks - **Published:** October 8, 2026 - **Apply:** https://startup.jobs/senior-software-engineer-home-redventures-10332948 ## About the Role * 7+ years of hands-on software development experience, with a track record of delivering complex features in production environments * 4+ years of production-grade experience with TypeScript, JavaScript, and Node.js * 3+ years working with a SaaS telephony platform: Twilio, Genesys, or comparable: including call routing, flow configuration, and integration work * Active, daily use of AI-assisted development tools (Claude, ChatGPT, Cursor, or equivalent) as a core part of how you already work, including building custom skills, prompts, or workflows beyond out-of-the-box use; this is a hard requirement * Proven track record of building with or integrating LLM and AI APIs (Anthropic, OpenAI) into production systems * Deep experience with AWS, including Lambda, ECS, and DynamoDB, and comfort with event-driven architecture * Experience with Databricks or comparable data warehousing and pipeline tooling * Familiarity with monitoring and observability platforms such as New Relic or comparable * Proven track record of mentoring other engineers on new practices and driving adoption across a team * Working knowledge of Scrum and Agile software development methodology * Strong written and verbal communication skills, including the ability to surface technical tradeoffs clearly to both technical and non-technical stakeholders ## Description * Own BAU support of existing Twilio-based sales center tooling while leading the end-to-end migration of those systems to Genesys, including cutover planning, testing, and stabilization * Design and implement new inbound and outbound call flows for new projects, working across the full stack from telephony configuration to backend services * Identify and build opportunities to embed LLM and AI capabilities into existing products and workflows, including call summarization, sentiment and topic detection, and automated QA * Use AI development tools (Claude, ChatGPT, Cursor) actively across the entire development lifecycle: writing, reviewing, and testing code: and build custom skills, prompts, and workflows on top of them to make the tools more effective for the team * Mentor teammates on AI-assisted development best practices and drive adoption across the team, raising overall fluency rather than just modeling it yourself * Implement new features in existing projects end-to-end, from architecture and implementation through deployment and observability * Pair-program with teammates when they need help, and participate in formal and informal code and architecture reviews with genuine engagement * Contribute to a team culture built on experimentation, Agile development, and intellectual curiosity