Backend Engineer - Node.js

Attero is a pioneer in urban mining, dedicated to building regenerative value chains through advanced material innovation. Headquartered in Noida, India, with a state-of-the-art recycling facility in Roorkee, Uttarakhand, Attero efficiently extracts high-purity metals such as lithium, cobalt, nickel, manganese, graphite, titanium, gold, copper, palladium, and more from end-of-life electronics and lithium-ion batteries using deep-tech solutions. Backed by over 45 granted global patents, Attero's cutting-edge technologies ensure efficient resource recovery and environmental sustainability.Beyond recycling, Attero drives impact through:Selsmart: India's largest customer takeback platform, enabling individuals to sell their old appliances and encouraging responsible practices.MetalMandi: A tech-enabled marketplace that streamlines metal scrap trading and formalizes the informal recycling sector.Green Metals: Supplying sustainably recovered metals to global industries, reducing dependence on virgin resources and supporting a circular economy.The company is expanding its operations across the US and Europe while strengthening its presence in India.Attero seeks individuals who take ownership, collaborate seamlessly, bring fresh perspectives, and embrace challenges to drive transformative progress. The work culture fosters innovation, accountability, and a solution-oriented mindset, aligning with the company's vision of creating sustainable economic, social, and environmental impact.

Design, develop, and maintain scalable, secure, and efficient server-side applications and APIs using Node.js. Design and optimize database schemas in PostgreSQL, write efficient queries, and ensure data integrity and security.Identify and resolve system bottlenecks, and optimize applications for maximum speed, scalability, and reliability. Work closely with front-end developers, product managers, and other stakeholders to translate business requirements into technical solutions. Integrate third-party APIs and services, and manage data exchange between the server and user-facing elements.