Full Stack Developer

Role: Full Stack Developer Priority Location: South Africa / Latin America / Philippines Working Hours: 9:00 AM – 5:00 PM EST Salary Range: Market related Type of contract: Independent Contractor Type of job: Remote About the Role: We are seeking a Full-Stack Developer (Backend-Focused) with 5+ years of software engineering experience to join our 7-person technology team, led by a CTO who provides overall technical direction. This role is ideal for an engineer who enjoys solving practical, real-world technical problems, taking ownership of their work, and building reliable solutions across our technology stack, with a primary focus on backend development. The Ideal Candidate: - Quickly understand existing code: Able to get up to speed on an existing codebase and begin making meaningful contributions quickly. - Improve rather than over-engineer: Comfortable working within existing systems and making practical improvements without unnecessary rewrites. - Strong problem-solving: Able to break down complex technical problems and identify practical, effective solutions. - Good technical judgment: Makes thoughtful decisions around architecture, implementation, performance, and maintainability. - Production-focused: Builds reliable, scalable software that is well-tested and ready for production use. Key Responsibilities: Backend & Integrations: - Design, build, and maintain robust backend services, REST APIs, and third-party platform integrations (payment gateways, clinical databases, operational tools). Data Pipelines & Warehousing: - Improve data pipelines, BigQuery architecture, and reporting infrastructure to ensure 100% data integrity, monitoring, logging, and alerting. Workflow Automation & AI: - Build AI-powered agents and workflow automations using LLMs and modern frameworks to eliminate manual administrative and operational effort. Full-Stack Execution: - Own existing codebases incrementally; contribute to React-based internal tools, dashboards, and operational interfaces as needed. Qualifications: Non-Negotiable: AI & Automation Experience - Must have hands-on experience building and deploying real-world applications using LLM APIs, AI agents, or modern AI frameworks (e.g., LangChain, LangGraph, PydanticAI). - Actually built and shipped AI-powered features or automations, not simply experimented with AI tools or used LLMs as part of their development workflow. Non-Negotiable: Sensitive & Regulated Data Experience - Must have professional experience working with sensitive, confidential, or highly regulated data in a production environment. - This includes experience with data requiring strong security, privacy, access controls, compliance, or regulatory safeguards. - Relevant experience may come from HealthTech, FinTech, LegalTech, GovTech, or other industries where protecting sensitive data is a core part of the technology environment. - Candidates should understand the practical requirements of building and maintaining systems where data security, privacy, and compliance cannot be treated as an afterthought. Core Technical Stack: Primary Languages: TypeScript / Node.js (Strong emphasis), SQL, Python (beneficial for AI/Data) Data & Cloud: PostgreSQL / Supabase, BigQuery, Looker Studio Frontend / Internal Tools: React, Modern Web Frameworks AI Frameworks: LLM APIs, LangChain, LangGraph, PydanticAI, or AI Agent architectures