Top Remote Senior Level Software Engineer Jobs in CO

The Senior Backend Engineer II will design, build, and maintain backend services for financial workflows, collaborating with product and engineering teams to enhance system reliability and performance.

The role involves architecting and delivering scalable integration solutions with Boomi, engaging clients, managing projects, and mentoring junior staff while driving business development efforts.

Build and operate billing and payments services using Node.js/Go and Vue.js. Develop integrations with payment and accounting systems, ensure runtime reliability on AWS (SQS, Lambda), drive CI/CD and automated testing, write design docs and runbooks, mentor engineers, and optimize high-throughput, latency-sensitive workloads.

Hands-on senior full-stack engineer building and supporting user-facing features, infrastructure, and AI-powered workflows (LLM integration, RAG, agents). Drive architecture, dev experience, CI/CD, and partner with product and program teams to deliver a scalable education platform.

Build and operate scalable backend services and integrations for chat, voice, and agent-assisted support. Improve reliability, performance, and AI-driven capabilities; collaborate across product, design, AI, and operations; mentor engineers and lead technical design and architecture.

Design, build, and maintain complex Salesforce solutions and integrations using Apex, LWC, REST/SOAP, and middleware. Lead architecture, enforce security and SDLC standards, mentor team members, perform code reviews, document procedures, and collaborate with stakeholders to deliver scalable, reliable, auditable Salesforce applications.

Define and deliver architectures and prototypes for new, large-scale, highly available software systems. Research and qualify emerging technologies, design extensible systems, produce technical documentation, mentor engineers, and support transitions to operational teams while applying cloud-native, event-driven, and generative-AI approaches.

Lead frontend architecture and strategy across web and mobile, build high-performance React and React Native applications, develop shared component libraries and design systems, optimize performance and accessibility, mentor engineers, collaborate with product/design/backend teams, and resolve complex cross-stack issues.

Lead design and build of scalable backend systems and data platforms; own architecture and production deployments; improve reliability, performance, and observability; mentor engineers and collaborate with Product, Data Science, SRE, and Security.

As a Pre-Sales Solutions Engineer, you will drive technical pre-sales engagements, architect custom solutions, and guide customers on API integration and deployment strategies, enhancing their experience with Voice AI technologies.