This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Engineer (Full Stack) based in India. This is a senior-level engineering opportunity focused on building reliable integrations and data products that connect a fundraising platform with the systems nonprofits depend on.You’ll operate as a problem solver, taking ownership of ambiguous challenges from discovery through implementation and long-term maintenance.The role combines backend and frontend engineering with API design, data movement, observability, and third-party integrations.You’ll work extensively with Ruby on Rails, PostgreSQL, REST APIs, webhooks, OAuth, and modern web technologies.Your work will directly influence data integrity, customer experience, and the reliability of critical integrations at scale.You’ll join a fully remote, globally distributed team with a flat structure and a strong emphasis on pragmatic, maintainable engineering.The environment encourages autonomy, thoughtful technical decisions, collaboration, and shipping meaningful improvements without unnecessary process.