Top Senior Level Software Engineer Jobs in CO

Build full-stack geospatial applications and platform components for defense and intelligence users. Develop interactive mapping tools with TypeScript, React, Tailwind, Node.js, and PostgreSQL; design reusable map components; ingest, analyze, and visualize high-volume geospatial data; integrate agentic AI analyses; and collaborate with customers, mission owners, designers, and engineers to create intuitive operational workflows.

Lead full-stack engineering for Rula’s patient portal, designing scalable, secure, and reliable systems across scheduling, billing, communications, and treatment planning. Own technical direction, architecture, complex initiatives, and long-term improvements while mentoring engineers and collaborating cross-functionally. Build and operate solutions using React, TypeScript, Node.js, microservices or event-based architectures, Kafka, and AWS. Participate in on-call support and troubleshoot production issues.

Design, develop, test, deploy, and monitor scalable backend systems for a payroll SaaS product. Build APIs and microservices, collaborate with product and engineering teams, participate in code reviews, and own the full development lifecycle in a continuous delivery environment. The role emphasizes Kotlin, Scala, or Java, cloud platforms, automated testing, relational databases, scalable architecture, and responsible use of AI coding tools.

Leads software engineering across broker productivity products and core platform squads. Owns engineering delivery, infrastructure and security roadmaps, cross-squad practices, migrations, integrations, testing, and compliance remediation. Partners with product and company leadership, hires and develops senior engineers and tech leads, and builds scalable engineering management structures. The role remains hands-on through design reviews, specifications, code reviews, and technical spikes.

Architects, builds, and operates resilient backend services, cloud infrastructure, automation tools, and self-service interfaces supporting MDR and incident response operations. Partners with security practitioners and engineering teams to translate operational needs into scalable solutions, establish CI/CD and observability practices, improve reliability, and integrate AI-driven workflows. The role also provides technical mentorship, leads architecture and design decisions, and drives complex initiatives through iterative delivery.

Design and evolve high-scale backend capabilities for GitLab’s container registry. Drive architecture, performance, reliability, security, APIs, testing, and operational readiness. Mentor engineers, influence technical direction, participate in incident response, and collaborate asynchronously across product, infrastructure, data, frontend, and security teams. Integrate and evaluate agentic AI systems in production engineering workflows while promoting responsible and effective use.

Build and scale MongoDB Atlas Agent Engine, including its developer CLI, SDKs, runtime, memory, retrieval, identity, governance, and distributed systems layers. Design well-tested, reliable, high-performance software; contribute to architecture, code reviews, developer experience, and engineering practices. Collaborate across research, product, design, and engineering teams, own complex projects, mentor engineers, and help evolve the platform for production-scale AI agents.

Develop and enhance globally scalable software using .NET, Azure, React, SQL, and RESTful APIs. Implement internationalization for currencies, numbers, time zones, calendars, pluralization, and RTL layouts. Build automated tests, improve infrastructure reliability, participate in agile ceremonies, lead code reviews, and mentor junior developers.

The Senior Full-Stack Engineer will manage client relationships, design integration solutions, and ensure seamless delivery and optimization of technical workflows, while leveraging AI for efficiency.

Develops, integrates, tests, maintains, and supports Java-based software systems and mathematical algorithms for Boeing’s C2BMC missile defense applications. Responsibilities include software architecture, requirements decomposition, interface development, design documentation, coding, debugging, performance optimization, agile execution, integration and testing, operational support, and technical issue resolution. The role collaborates with systems engineering, integration and test teams, and industry partners while supporting full software lifecycle activities for ballistic missile defense systems.