Senior Software Engineer

Overview rePurpose is the Leading Packaging Sustainability and Compliance Platform for CPG brands to streamline EPR compliance and make credible sustainability claims. At rePurpose, we believe a world free of plastic waste is achievable within our lifetime. To accelerate our impact, we are hiring a Senior Software Engineer with deep backend and infrastructure expertise to support our vision of solving the global waste crisis. As a Senior Software Engineer at rePurpose, you will play a central role in architecting and scaling our platform — building the reliable, high-performance systems that power compliance workflows, data pipelines, and sustainability insights for brands across the US and beyond. This position is remote-only for East Coast candidates, but we prefer candidates based in New York to join our hybrid work environment. Responsibilities Backend Development: Design, build, and maintain scalable server-side services and APIs, with a focus on performance, reliability, and security. Infrastructure & DevOps: Own and evolve our cloud infrastructure on AWS, including CI/CD pipelines, containerized deployments, monitoring, and cost optimization. ​​Full-Cycle Development: Contribute across the full software development lifecycle — from architecture and planning through implementation, testing, and production deployment. Codebase Enhancement: Optimize the existing codebase to improve performance, reliability, and maintainability. Collaboration: Collaborate closely with cross-functional teams (product, design, and other engineering teams) to translate requirements into technical solutions. AI Tooling & Technology Evaluation: Stay updated with industry trends, specifically in advancements in AI technologies. Propose adoption of new technologies where applicable to enhance the product’s and company’s capabilities. Requirements Backend Expertise: Deep experience building robust, scalable, production-grade applications using Node.js or related backend frameworks. Strong understanding of API design (REST and/or GraphQL), service architecture, and performance optimization. Infrastructure & Cloud: Hands-on experience with AWS (or comparable cloud platforms) and modern DevOps practices — including infrastructure-as-code (e.g., Terraform, CDK), containerization (Docker, Kubernetes), and CI/CD pipeline management. Database Knowledge: Proficiency in working with databases (SQL, NoSQL), designing schemas, optimizing queries, and ensuring data integrity. Security & Reliability: Familiarity with backend security best practices, observability tooling, and building fault-tolerant, highly available systems. AI Technologies: Experience with building, or interest in learning, agentic workflows. TypeScript Proficiency: Strong knowledge of TypeScript as it pertains to backend systems and data modeling. Full-Stack Awareness: Working knowledge of front-end technologies (HTML, CSS, JavaScript) and modern frameworks (React, Vue, etc.) to collaborate effectively across the stack. Agile & Collaboration: Comfortable working in an Agile environment, excellent communication skills, and the ability to collaborate effectively within a team. Qualification A degree in Computer Science, plus a minimum of 4 years of professional experience in software development, ideally in a cloud-based modern stack. TypeScript, Node.js, GraphQL, Vue, and AWS are all preferred. Strong problem-solving abilities and a proactive mindset towards learning new technologies. Prior experience working in a startup or fast-paced environment is a plus. Must be authorized to work in the United States. Location Preference This role is open to candidates based in the United States, with a preference for those located in or near New York City. We offer a hybrid working model for local candidates, with remote flexibility for those elsewhere in the US. We’re a truly global team, headquartered in New York City, with members across Miami, New York, Los Angeles, London, Bangalore, Delhi, Mumbai, Colombo, and Jakarta.