Top Remote Software Engineer Jobs in Phoenix – Mesa – Scottsdale, AZ

The Senior Software Engineer will develop software and implement solutions, mentor engineers, and improve engineering processes at a remote startup.

Design and implement core payment infrastructure including workflow engines, partner integrations, ledgering systems, and public APIs. Make architectural decisions with leadership, own projects end-to-end, and help shape engineering culture and technical practices at an early-stage fintech.

Own and deliver reliable, secure software in a regulated healthcare environment. Drive solutions from ambiguity to production, build automation to reduce developer toil, mentor engineers, champion AI-assisted coding, and optimize database performance and schemas.

The Software Engineer will develop and support the MEMX Trading system, focusing on high throughput event-sourcing applications and resolving production issues.

You will design and implement scalable backend systems integrating August infrastructure with third-party DeFi protocols while collaborating with engineering teams.

Lead design and solution architecture for SAP S/4 Fashion OTC processes. Configure Order Management, Delivery, Billing, Returns, and integrations (POS, CAR, EDI). Drive fit-to-standard workshops, prepare WRICEF and test plans, support data migration (Syniti), integration testing (CPI), deployment, and post-go-live stabilization. Mentor junior staff and collaborate with vendors and integration/data teams to enable omnichannel and real-time inventory capabilities.

Lead and scale mobile engineering across iOS and Android. Manage teams, drive strategy, ensure quality, and advocate for user experience.

The Senior Software Engineer will design and build scalable technology platforms, contribute to architectural decisions, and apply strong security practices in a collaborative environment.

Lead development of native iOS features (food tracking, activity logging, weight trends, AI-driven insights), deliver premium UI/UX with modern Apple frameworks, own flagship initiatives (Lock Screen Widgets, Live Activities, health data integrations), shape app architecture and standards, and collaborate cross-functionally while mentoring engineers.

Own and evolve the front-end architecture for a high-throughput, real-time trading app using Next.js, React, and TypeScript. Build pixel-accurate, accessible, responsive UIs under strict performance budgets; optimize rendering, state management, data flow, and bundle size for sub-second interactions. Integrate with REST and WebSocket APIs, lead end-to-end feature development, set engineering standards, mentor engineers, and contribute across the stack when needed.