NeoWork is looking for a **Back\-end Engineer** with strong technical fundamentals and a passion for building reliable, well\-tested systems. In this role, you’ll be working on **tool\-use functionality**, including analyzing transcripts, debugging issues, and ensuring systems are robust and reliable. You’ll collaborate with contract engineers and internal stakeholders, helping drive technical quality across projects. **Key Responsibilities** * Analyze tool\-use transcripts to identify where models fail or tools break. * Debug and confirm functionality by directly interacting with an **MCP server**. * Write clear and detailed **technical documentation** for processes and findings. * Build and maintain **robust test suites** to ensure high\-quality code changes. * Collaborate with other engineers and contract contributors to support technical QA and debugging. **Requirements** * 3\+ years of software engineering experience (open to strong candidates with less). * Familiarity with **Go, Python, TypeScript**, or similar modern back\-end stacks. * Strong background in building and maintaining test frameworks. * Excellent technical writing and communication skills, with the ability to create clear documentation. * Analytical and proactive problem\-solver who can spot issues from data and propose solutions. **Benefits** * We offer health insurance for contractors * Holiday Extra Pay * The work hours generally align with standard business hours in the US, with some potential flexibility depending on the client's needs. * This is a 100% home\-based position * We prioritize the mental health of our team members and offer mental health days to support their well\-being. * In addition to the base salary, performance\-based incentives are provided. * There is an annual review and appraisal process in place. * There are ample opportunities for professional growth and advancement within the company.