Top Remote Senior Level Software Engineer Jobs in CO

The Senior Software Engineer will lead technical strategies, build AI-driven software systems, mentor junior engineers, and ensure security best practices.

Lead architecture, design, and delivery of PET product features; write production full‑stack code; champion testing, observability, CI/CD and operational readiness; mentor engineers and collaborate with product to shape technical roadmap.

Leads the engineering team building Webflow’s code-native platform, including high-fidelity visual-to-code workflows and coding-agent integration. Sets technical and product direction, shapes architecture, owns developer experience, sequences platform and customer-facing work, and partners across product, design, and engineering. This player-coach role includes architecture reviews, prototyping, hands-on contributions, hiring, coaching, and developing a high-performing technical culture.

Design, build, test, and maintain backend services and APIs powering the insurance platform. Integrate payments, documents, and data providers, improve system stability, performance, and scalability, mentor team members, and participate in architectural decisions and agile ceremonies.

Design and implement complex, accessible front-end components and a reusable design system. Architect UI solutions, prototype interactions, mentor engineers, improve design-to-development workflows, and build performant, responsive interfaces and marketing pages for a legal AI platform.

The Founding Engineer will lead the development of Sailor Health's AI-powered platform, building systems for patient care and mentor the engineering team.

Build secure, privacy-focused native Android applications using Kotlin, Maestro, and Graphite. Responsibilities include developing Android features, improving autofill, supporting Privacy Pro, and enhancing phishing and malware protection. The role requires end-to-end project ownership, effective UX collaboration using quantitative and qualitative data, creative problem-solving, and clear communication across cross-functional teams.

Lead design and delivery of backend-focused full-stack features for the Business Platform. Build APIs, data models, and reliable parsers, ensure secure resilient systems, mentor engineers, drive estimates and quality, collaborate with Growth on data-driven features, and integrate AI tooling into development workflows.

Lead full-stack mission engineer who designs, develops, integrates, and deploys software for DoD/IC missions. Lead cross-functional teams to build high-performance frontends and cohesive systems, collaborate with military customers for product discovery, and deploy and field-test solutions in secure operational environments (travel ~1 week/month).

The role involves providing technical leadership, hands-on execution, and cross-team influence in software engineering, focusing on solutions for scaling and performance challenges while using AI tools.