Senior Back-End Developer (Node/Express.js)

Senior Back-end/API Developer (Node/Express.js) Location: Remote – Balkan Region, Latin America, and Mexico (location restrictions apply) About Worldly Worldly is the world's most comprehensive impact intelligence platform — delivering real data to businesses on impacts within their supply chain. Worldly is trusted by 40,000 global brands, retailers, and manufacturers to provide the single source of ESG intelligence they need to accelerate business and industry transformation. Through strategic and meaningful customer relationships, Worldly provides key insights around supplier performance, product impact, trends analysis, and compliance. When a company wants to change how business is done, we enable that systemic shift. Backed by a dedicated global team of individuals aligned by values, Worldly proudly operates as a public benefit corporation with backing from mission-aligned investors. Want to learn more? Read our story. About The Role We are seeking an experienced and highly skilled Senior Back-End/API Developer to join our team. In this role, you will be responsible for designing, developing, and maintaining high-performance, scalable back-end systems and RESTful APIs using TypeScript and Node.js. What You'll Do • Design and develop robust, efficient, and secure back-end systems and RESTful APIs using TypeScript and Express.js / Node.js. • Plan and implement data models and database schemas for relational (e.g., PostgreSQL, MySQL) and NoSQL (e.g., CouchDB / MongoDB) databases. • Optimize application performance by identifying and addressing bottlenecks through profiling, telemetry, and code optimization. • Implement best practices for code structure, maintainability, security, and scalability. • Write clean, well-documented, and testable code using industry-standard coding practices. • Collaborate with other developers, participate in code reviews, and contribute to knowledge sharing. • Stay up-to-date with the latest trends, best practices, and emerging technologies in back-end development, data management, and software engineering. We'd Like to See • Proven experience in designing, developing, and maintaining complex and highly performant back-end systems and RESTful APIs. • Strong proficiency in TypeScript and modern JavaScript (ES6+). • Extensive experience with Node.js and related frameworks (e.g., Express.js, Nest.js). • Proficient in working with relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB). • Expertise in data modeling, database design, and data access patterns. • Knowledge of web networking protocols (HTTP, HTTPS, WebSockets) and security best practices (authentication, authorization, encryption). • Experience with performance profiling, optimization techniques, and software algorithms. • Strong problem-solving, debugging, and troubleshooting skills. • Excellent communication and teamwork abilities. It Helps If You Have • Experience with back-end testing frameworks (e.g., Jest, Mocha). • Knowledge of cloud platforms and deployment processes (e.g., AWS, Azure). • Familiarity with containerization technologies (e.g., Docker, Kubernetes). • Strong proficiency using AI Coding tools effectively within an existing codebase. • Experience with microservices architecture and event-driven systems. • Familiarity with message queuing systems (e.g., RabbitMQ, Apache Kafka). • Knowledge of caching strategies and technologies (e.g., Redis, Memcached). • Experience with DevOps practices and tools (e.g., CI/CD, monitoring, logging). What We Can Offer You • Comprehensive benefits offerings. 100% employee premium covered by Worldly. • Growth Opportunities • Equipment Stipends • Unlimited PTO • Paid company holidays Life at Worldly Our team is motivated to transform the way products are made. By helping our customers succeed in a new era of sustainable production, we are able to build technology that makes a difference on a planetary level. Our team represents over 15 countries, and brings unique experiences from technology to farming to the table. Surround yourself with kind, enthusiastic, and dedicated people who put collaboration and growth at the center of our shared goals. Benefits and Perks • Earn a competitive salary and performance-based bonuses. Get healthcare, retirement matching, and equity for US employees. • Use the office stipend to get the supplies you need. Combat zoom fatigue with no-meeting Fridays. • Flexible time off. Take the time you need to recharge. Our culture encourages team members to explore and rest to be their best selves. • We're remote, not lonely. Join the culture committee, coffee chats, or a variety of other interest groups. Equity Statement We believe it's essential to reflect the diversity of those we strive to serve. True innovation happens when everyone has room at the table, including the tools, resources, and opportunity to excel. We're dedicated to building a culturally and experientia