Top Senior Level Software Engineer Jobs in CO

The Staff Software Engineer will design and develop operational code for satellite ground systems, troubleshoot issues, and support Agile Scrum projects.

Lead technical design, build, and operate scalable, secure healthcare integration systems. Drive architecture, event-driven distributed systems, APIs, observability, IaC, CI/CD, incident response, cross-functional delivery, and mentor engineering teams.

Lead full‑stack engineering efforts to design, build, and operate production healthcare systems. Own epic-level features, mentor engineers, design for reliability and scalability, integrate with partners, and ensure launch readiness across backend (Java/Groovy), frontend (React/TypeScript), data (MongoDB), and event-driven pipelines (Kafka).

Lead and mentor a global team of Partner Solution Architects to build strategic relationships with hyperscaler partners. Drive partner alignment, technical enablement, co‑develop go‑to‑market initiatives, and cross‑functional collaboration to expand ecosystem revenue. Foster inclusive team culture, represent MongoDB externally, and solve partner business and technical challenges to ensure joint success.

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.

Lead technical execution and architecture for the Loyalty product. Own roadmap, design distributed services and APIs, ensure reliability/observability, integrate with ZMP and AthenaOS, build and coach engineering teams, and drive cross-team delivery of scalable multi-tenant loyalty capabilities.

Drive technical strategy and roadmap for Affirm's Online Storage platform. Design and build multi-region, highly available datastore solutions and control planes for hundreds of databases. Automate schema migrations, disaster recovery, sharding, and performance tuning. Collaborate with product, SRE, and infrastructure teams, own operations and on-call readiness, and mentor engineers while setting code and design standards.

Design and implement scalable microservices and customer/internal APIs. Lead technical specification, development, integration, testing, and release. Optimize performance, refactor code, collaborate with stakeholders, mentor engineers, and ensure reliable, maintainable solutions across the platform.

Lead enterprise enablement and transformation to scale engineering practices, drive Agile and AI-enabled adoption, remove systemic friction, coach engineering leaders, define multi-year roadmaps, measure KPIs, and align portfolios to accelerate delivery and business outcomes.

Design, develop, test, and maintain enterprise backend services (Java/Spring Boot) and native or cross-platform mobile apps (iOS/Android). Build REST APIs, frontend interfaces, CI/CD pipelines, and ensure security, performance, and production support in an Agile environment.

Develop fullstack web applications, enhance platform performance, collaborate on high-impact opportunities, and ensure stable, scalable solutions. Engage in rapid iterations and be a committed team player.

Design and implement backend and real-time features in the GitLab monolith for portfolio planning at scale. Optimize PostgreSQL performance, evolve APIs (GraphQL/REST), build capacity planning and work-item hierarchies, create proofs of concept, maintain automated tests, support safe rollouts with feature flags and observability, mentor contributors, and participate in on-call and production troubleshooting.