Top Remote Senior Level Software Engineer Jobs in CO

Lead a team of software engineers building and scaling Spark’s broker productivity platform. Responsibilities include architecting full-stack solutions, guiding technical direction, reviewing code, managing infrastructure priorities, coordinating product planning, sequencing projects, coaching engineers, hiring, and ensuring reliable, high-quality delivery. The role balances hands-on engineering with people management and is fully remote within the United States.

Lead and develop an engineering squad building scalable partner-facing products and APIs. Shape multi-quarter strategy, coordinate across engineering and business teams, guide architecture and technical tradeoffs, improve reliability and delivery practices, and develop engineers and emerging leaders. Partner with Product, Design, and Business Development to translate customer and partner needs into durable platform capabilities while influencing broader engineering direction and culture.

Develop cross-platform C++ and Qt software for network device discovery, monitoring, and data collection across Windows and Linux. Build high-performance, concurrent, asynchronous systems that communicate with thousands of devices using SNMP, SSH, ICMP, WMI, and related protocols. Own testing, troubleshoot issues across application, operating-system, and network layers, optimize reliability and performance, and collaborate with backend, UI, QA, and product teams.

Staff Software Engineer responsible for designing scalable distributed systems and full-stack web applications supporting provider acquisition, onboarding, and marketplace supply growth. The role leads cross-team technical initiatives, shapes engineering strategy, mentors developers, and delivers provider-facing products from discovery through post-launch support. Experience with AI-assisted development workflows and technologies such as Node.js, React, TypeScript, Kafka, AWS, Docker, and Kubernetes is valued.

Design and evolve scalable referral, partner data, and patient booking systems. Lead complex technical projects across teams, make architecture and API decisions, improve security, performance, reliability, and scalability, and mentor engineers. Collaborate with product, design, engineering leadership, partners, and stakeholders while using AI-assisted development tools such as Claude Code to improve delivery velocity and quality.

Leads architecture, development, and maintenance of scalable full-stack public health surveillance applications. Responsibilities include Java and React development, APIs and HL7/FHIR integrations, DIBBS workflows, record linking and deduplication, CDC reporting pipelines, testing, CI/CD, DevSecOps, technical direction, code review, mentoring, and stakeholder collaboration.

Build and lead development of high-availability backend services for Affirm’s card loan platform. Design scalable APIs, data models, microservices, and event-driven systems supporting real-time loan attribution, approvals, origination, and refunds. Drive technical strategy, troubleshoot complex performance issues, collaborate with cross-functional teams, and mentor engineers while ensuring long-term system robustness and scalability.

Leads enterprise software architecture and development across multiple product lines, establishes design standards, reviews solutions, troubleshoots complex issues, and provides technical guidance across teams. Supports modernization of on-premise systems and migration to Azure cloud. Partners with engineering and executive leaders on technology strategy, security adaptability, automation, and solution design using agile methods.

Build and own backend services and APIs supporting money movement, payments, settlements, reconciliation, payroll integrations, retirement workflows, and financial compliance. Ship reliable production code, debug incidents, improve observability and operational tooling, and collaborate with product, compliance, operations, and engineering teams. Mentor engineers and ensure systems handling customer funds are correct, scalable, and well tested.

Design, develop, customize, and support secure, scalable Salesforce solutions on the Force.com platform. Build Apex, Lightning, Visualforce, Flow, OmniStudio, and integration solutions; create automated tests; oversee interface development; document systems; and support deployment processes. Collaborate with product and business stakeholders, provide Salesforce architecture leadership, identify technical risks, and mentor engineers while delivering CRM and workflow capabilities.

Owns the full lifecycle of operational software products, from concept through production. Builds and tests reliable, user-focused features; scales prototypes; triages issues and identifies root causes; and partners with product teams, mission engineers, architects, and end users to deliver effective solutions. The role requires strong React, TypeScript, and Python skills, performance optimization experience, and collaboration across technical and non-technical stakeholders.