Top Remote Senior Level Software Engineer Jobs in Los Angeles, CA

The Staff Software Engineer will develop and execute technical strategies for Cash App Banking, lead architectural decisions, and mentor engineers, focusing on innovative financial solutions.

Lead the technical design and delivery of banking features at Cash App, collaborating across teams, driving architecture improvements, and mentoring engineers.

Design, implement, and optimize MongoDB database integrations, Change Data Capture and streaming capabilities, and observability systems. Develop high-performance C++ services, contribute to query engine and distributed systems architecture, lead projects from design through production support, and collaborate with product and engineering teams on technical roadmaps.

Lead development of scalable Java backend applications and high-availability cloud services. Design architectures, REST APIs, databases, caching systems, and distributed session infrastructure. Mentor engineers, drive technical initiatives, address performance and scalability challenges, and uphold quality and automation practices for endpoint management products.

Develop and scale Salesforce solutions focused on CPQ, custom pricing, renewals, subscription lifecycles, and integrations. Migrate point-to-point integrations to Workato or Celigo, build reusable integration components, and maintain connections with internal and third-party systems. Partner with architecture, Revenue Operations, Finance, and Sales teams while using AI tools to accelerate development. Participate in code reviews, Agile sprints, troubleshooting, and end-to-end feature delivery.

Lead technical strategy and execution for Affirm’s account management team, building secure, scalable fullstack systems and customer account security experiences. Collaborate with product, design, analytics, and engineering teams; establish quality, monitoring, testing, and operational standards; support availability and on-call practices; communicate technical decisions; and mentor engineers.

Design, build, scale, and operate high-volume payment APIs and distributed systems serving global traffic. Lead complex engineering projects from requirements through production, improve reliability, performance, observability, fault tolerance, and security, and participate in on-call and incident response. Collaborate across product and engineering teams, use AI-assisted development tools responsibly, and mentor engineers through technical reviews and documentation.

Develop and maintain a full-stack web application and platform for fraud analysis. Build APIs and user interfaces, write automated tests, troubleshoot production issues, collaborate with product, design, data science, infrastructure, and solutions engineering teams, and participate in on-call support. Use React, Golang, Python, PostgreSQL, Docker, and AWS technologies to deliver reliable products and meet service-level requirements.

Own SEON’s global WordPress platform, including custom Gutenberg blocks, themes, plugins, deployments, security, performance, upgrades, integrations, multilingual functionality, technical SEO, accessibility, testing, and recovery processes. Collaborate with Marketing, Design, SEO, agencies, and stakeholders to deliver scalable solutions, establish engineering standards, and proactively improve the reliability and performance of the business-critical website.

Build and deploy healthcare integrations for payer and health plan partners. Responsibilities include architecture discovery, prototypes, API and data-feed integrations using Python, SQL, HL7, and FHIR, production coding, troubleshooting live systems, customer collaboration, security reviews, documentation, and product feedback. The role owns implementations from discovery through launch and requires strong technical communication, healthcare data knowledge, and 15–20% travel.

Build and ship web-based transportation management software for trucking customers. Collaborate with product, UX, engineers, and users to solve domain-specific problems, deliver features quickly, make sound quality-versus-velocity tradeoffs, and contribute across the engineering team in a remote-first environment.